Updated on 2025/03/27

写真a

 
Kume Takashi
 
Organization
Graduate School of Agriculture Department of Science and Technology for Biological Resources and Environment Associate Professor
Title
Associate Professor
Contact information
メールアドレス
Profile
1998年から乾燥地域における灌漑農地における水分・塩分管理に関する研究を実施しています。専門の農業土木学をベースに持続可能性、レジリエンス、環境ガバナンス等の概念を援用し、灌漑農業の未来を創出する研究を進めています。
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Degree

  • 博士(農学I ( 2004.3   京都大学 )

Research Interests

  • Irrigation and Drainage

  • Soil salinization

Research Areas

  • Environmental Science/Agriculture Science / Rural environmental engineering and planning  / Environmental soil hydrology

Research History

  • Graduate school of agriculture, Ehime University

    2012.4

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Papers

  • Traditional Land Use Systems’ Potential as the Framework for Soil Organic Carbon Plans and Policies

    Erhan Akça, Takanori Nagano, Takashi Kume, Claudio Zucca, Selim Kapur

    Plans and Policies for Soil Organic Carbon Management in Agriculture   59 - 93   2022

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    Publishing type:Part of collection (book)   Publisher:Springer Nature Singapore  

    DOI: 10.1007/978-981-19-6179-3_3

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  • Long-term monitoring of soil salinity in a semi-arid environment of Turkey Reviewed

    Erhan Akca, Mehmet Aydin, Selim Kapur, Takashi Kume, Takanori Nagano, Tsugihiro Watanabe, Ahmet Cilek, Kemal Zorlu

    CATENA   193   104614 - 104614   2020.10

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:ELSEVIER  

    This study was carried out to determine the distribution and variability of soil salinity at the recently irrigated margins of the Akyatan lagoon and saline wetlands located in the Lower Seyhan basin in Adana, the eastern Mediterranean region of Turkey. An EM38-DD field apparatus was used to measure the apparent electrical conductivity of the soil expressed as ECv in order to shed light on the spatial variability of salinity of the area by monthly observations conducted at 50 points. The salinity measurements were conducted from June 2005 to November 2006, and in July and November 2018, and in March 2019. The ECv values decreased with distance from the lagoon and the wetlands towards the upper and/or central parts of the basin. A comparison of the distributions of salinity showed that salt-affected soils corresponded to the high electrical conductivity of the water-table. The changes in soil salinity indicated that salinization was the result of capillary rise and evaporation from the saline shallow water-table. The electrical conductivity of several soil series and varying land management revealed that the ECv values above 200 mS/m significantly hinder plant growth, however, land use practices (i.e., crop rotation) slightly affected the fluctuation level of salinization. The ECv values of the rainy seasons were generally lower than those of the dry periods. It can be concluded that the topographic position (e.g., distance to the lagoon), soil texture, and the saline shallow water-table along with the inappropriate soil and micro-topographic conditions, are the most effective factors for salinity build up.

    DOI: 10.1016/j.catena.2020.104614

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  • Biomass effect on soil organic carbon in semi-arid continental conditions in central Turkey Reviewed

    Gökhan Büyük, Erhan Akça, Takashi Kume, Takanori Nagano

    Polish Journal of Environmental Studies   29 ( 5 )   3525 - 3533   2020

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:HARD  

    © 2020, HARD Publishing Company. All rights reserved. Organic carbon in soil represents plant, animal and microbial origin materials associated with mineral fractions in different phases of stabilization and decomposition. Following the combatting of desertification that lasted for almost 60 years in Karapınar District located in the Konya Closed Basin of central Turkey, this study was conducted to monitor the change in organic carbon dynamics of soil and vegetation in different land uses. The research revealed a relatively high ratio of soil organic carbon in preserved soils, but the average value was below 14.5 ton C/ha. This low value has a negative impact on many of the processes of maintaining soil quality. Increasing the amount of organic matter will ensure that carbon dioxide, the leading greenhouse gas in the atmosphere, is held in soil. With this in mind, fallow, use of excess fertilizers of nitrogen and over-irrigation must be avoided, and legumes such as vetch and Hungarian vetch cultivation is recommended for maintaining the C/N ratio in the semi-arid Karapınar region. For this reason, the current level of 4% forage crops production needs to be increased to 12% within more than 200.000 ha of cultivated land of Karapınar. While the natural pastures under preservation had the highest organic carbon content, the lowest values were obtained from overgrazed pastures. More than 120 natural plant species were identified during the species-count in the study area, which is an indication of the richness of the pastures in a semi-arid environment. Hence, it has been concluded that any grazing of more than 1.4 sheep per hectare would exceed the self-renewal process of plants, decrease organic input to soil and trigger desertification, which was halted following 60 years of protection.

    DOI: 10.15244/pjoes/112619

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  • Resilience of Large-scale Irrigation Districts to Change of Social Regime Reviewed

    87 ( 6 )   465 - 468   2019.6

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    Language:Japanese  

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  • Evaluation of Impact of Climate Changes in the Lower Seyhan Irrigation Project Area, Turkey Reviewed

    WATANABE TsugihirKeisuke Hoshikawa, Takanori Nagano, Takashi Kume, Tsugihiro Watanabe

    Climate Change Impacts on Basin Agro-ecosystems   99 - 124   2019.1

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  • Effects of Vermicompost and Rice Husk Ash on the Change of Soil Chemical Properties and the Growth of Rice in Salt Affected Area Reviewed

    Chaipisit Pengkam, Chuleemas Boonthai Iwai, Takashi Kume

    International Journal of Environmental and Rural Development   10 ( 1 )   129 - 132   2019

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  • Evaluation of Participatory Irrigation Management Introduced into Dry Land Agriculture in Turpan, China Reviewed

    YAMAMOTO Tadao, Nozaki Akihiro, Shimizu Katsuyuki, Kume Takashi, Abdisalam Jalaldin

    International Journal of Environment and Rural Development   8 ( 2 )   64 - 69   2017.12

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  • Development of the Saturated Ion-Exchangeable Mordenite for Desalinization Technology in Agricultural Fields Reviewed

    Yukiko Haruta, Chuleemas Boonthai Iwai, Takashi Kume, Shinsuke Haruta

    International Journal of Environment and Rural Development   8 ( 2 )   81 - 86   2017

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  • Resilience of Coastal Agricultural Fields to Natural Disasters:Toward application of resilience concept to agricultural structure improvement projects Reviewed

    KUME Takashi, YAMAMOTO Tadao, SHIMIZU Katsuyuki

    Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering   84 ( 3 )   I_301 - I_306   2016

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:The Japanese Society of Irrigation, Drainage and Rural Engineering  

    This paper discusses resilience of coastal agricultural fields for applying the concept of resilience to agricultural structure improvement projects in near future. We interpreted recovery of the coastal agricultural fields which affected by the 2004 Indian Ocean Tsunami in terms of resilience theory. It was revealed that paddy system depending on inherent hydraulic regime possesses desalinization function. In this study, we showed that the function can be defined as general resilience before the tsunami, and then it changed to specified resilience after the tsunami. This dynamic change of resilience definition of the function sheds light on building resilience of the coastal agricultural fields. From these findings, knowledge and technologies established by agricultural engineering can be interpreted as elements which elicit beneficial effects on recovery of the fields from natural disasters.

    DOI: 10.11408/jsidre.84.I_301

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  • Investigation of Nitrate Pollution in Groundwater Used for Irrigation in Konya-Karapinar Region, Central Anatolia Reviewed

    Gokhan Buyuk, Erhan Akca, Takashi Kume, Takanori Nagano

    KAHRAMANMARAS SUTCU IMAM UNIVERSITY JOURNAL OF NATURAL SCIENCES   19 ( 2 )   168 - 173   2016

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    Language:English   Publisher:KAHRAMANMARAS SUTCU IMAM UNIV  

    Groundwater nitrate pollution risks via excess agrochemical use are a serious problem for human health, livestock and environment both in Turkey and the world. This is a particularly serious threat in areas where irrigation is undertaken by groundwater as in the closed basin of Konya in Central Turkey. The 70% of groundwater irrigation wells in Konya run privately or by state institutions contain NO3-N level of greater than 10 mg/L. The remaining wells' nitrate content varied from 3 mg/L to 10 g/L, which all indicate an anthropogenic pollution although the levels of N is still not harmful for crop production. Moreover, about % 20 wells EC is greater than the recommended levels for livestock (EC> 1000 mg/L). Thus, the nitrate level of groundwater wells used for irrigation is within the permissible (tolarable) level for agricultural uses. However, the consumption by humans and animals is not recommended, because the irrigation in Konya Closed basin, extends to almost 5 M ha, is undertaken by 100.000 groundwater wells and out of 60% are illegally operated. This study was conducted from 2009 and 2012 in Karapinar region of the Konya Basin, which is intensively irrigated with ground water. The average NO3-N level of groundwater wells was 11.7 mg/L due to excess irrigation from May to August. During irrigation season 83.4 kg NO3-N. ha(-1) was unconsciously applied to fields with irrigation. The high fertilizer use and excess irrigation by groundwater wells in the region necessitate precise calculation of nitrate which is contributed from groundwater wells. Thus, chemical nitrogen use will be optimized for preventing pollution of water resources particularly in sugar beet and second crop maize production as irrigation is undertaken 10 to 12 times and 12 to 15 hours. Otherwise, in near future the environment and human health will face serious consequences.

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  • Non-uniform distribution of soil salinity along a transect of an irrigation field in an arid region Reviewed

    Takashi Kume, Tadao Yamamoto, Katsuyuki Shimizu

    International Journal of Environmental and Rural Development   6 ( 1 )   181 - 187   2015

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  • Building Social-Ecological Resilience of Coastal Agricultural Fields to Natural Disasters Reviewed

    Takashi Kume, Daisuke Naito, Ken-ichi Abe

    International Journal of Advances in Management, Technology and Engineering Science   2 ( 6(2) )   69 - 72   2013

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  • Re-evaluating indigenous technologies for sustainable soil and water management in the Sahel: A case study from Niger Reviewed

    Takanori Nagano, Haruhiko Horino, Takashi Kume

    Sustainable Land Management: Learning from the Past for the Future   333 - 350   2011

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    Language:English   Publishing type:Part of collection (book)   Publisher:Springer Berlin Heidelberg  

    West African Sahel relies much of its food production on rain-fed pearl millet cultivation (Pennisetum glaucum (L.) R. Br.). Its productivity is physically constrained by irregular rainfall and the inherent poor nutrient holding capacity of the soil. Extensive and deprival nature of its agriculture was sustained by migrant and semi-nomadic lifestyle of people in the older days (Charlick 1991). However, a great increase of population in the last five decades caused overexploitation of land resources and reduced resilience of the system. Due to erosion and nutrition deficiency, productivity of pearl millet has declined. Today the old paradigm of extensive agriculture is no longer valid for sustainable land management. © Springer-Verlag Berlin Heidelberg 2011.

    DOI: 10.1007/978-3-642-14782-1_15

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  • Effect of 50-year reclamation on soil quality in a sand dune area of central anatolia Reviewed

    G. Buyuk, E. Akca, M. Serdem, S. Isfendiyaroglu, T. Nagano, T. Kume, S. Kapur

    Journal of Environmental Protection and Ecology   12 ( 2 )   743 - 751   2011

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:SCIBULCOM LTD  

    Reclamation studies against human-induced desertification should be maintained for a long time as the recovery of natural resources in arid and semi-arid environments asks for decades of conservation. This period is longer at sand dunes due to textural disadvantageous for providing plant nutrients, development of aggregates, structure and being very low resistant to wind erosion. Assessment of the changes in natural resource quality also requires long-term monitoring. Use of long-term studies can produce better information on the different potentials for land use and its consequences. Thus, success stories of long-term projects are important to shed light for reclamation studies in desertification sites, particularly at sand dunes which are extremely fragile against minor changes in a land management. This study outlines the changes achieved in soils and vegetation quality in a sand dune area of Central Turkey maintained since the 1960's by analytical and economical figures. Results revealed that natural vegetation provided maximum recovery in soil and vegetation quality by increasing soil organic matter and plant nutrients than afforested sites. When, the inputs are expressed in terms of economy, the annual revenue is 8 467 620 USD and for 50 years (1968-2008) the input is roughly 400 000 000 USD. Thus, the outcomes of this 50-year project set a remarkable guideline that conservation studies could be undertaken at similar sites of the world.

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  • Seasonal changes of fertilizer impacts on agricultural drainage in a salinized area in Adana, Turkey Reviewed

    T. Kume, E. Akca, T. Nakano, T. Nagano, S. Kapur, T. Watanabe

    SCIENCE OF THE TOTAL ENVIRONMENT   408 ( 16 )   3319 - 3326   2010.7

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:ELSEVIER SCIENCE BV  

    Seasonal changes in the impacts of fertilizer on the composition of agricultural drainage water were examined by analyzing the (87)Sr/(86)Sr isotope ratio and chemical composition of drainage water samples. Samples of drainage water were taken from the main drainage canals of the Lower Seyhan Irrigation Project, at sites designated as D10, D11, and D12. Plots of (87)Sr/(86)Sr vs. 1/Sr indicated that the (87)Sr/(86)Sr ratio of drainage water was positively related to those of fertilizer and irrigation water. The origins of Sr in two of the end-components were fertilizer and irrigation water. The data from the end-drain in winter suggested that the origin of Sr in the third end-component was fossil seawater. Analysis of a mixing model incorporating these three end-components showed that the origins of Sr in drainage differed markedly between summer and winter. Fertilizer made the greatest contribution to Sr in drainage water both in summer and winter, contributing 38-72% of total Sr in summer and 64-87% of total Sr in winter. In summer, fertilizer contributed 72% of total Sr in drainage water in D12, 44% in D10, and 38% in D11. This result implies that fertilizer was applied excessively at the D12 site. In winter, seawater accounted for 10% of Sr in drainage water in D12, whereas it accounted for 19-27% of Sr in drainage water in D10 and D11. Therefore, at least 70% of the salt in drainage water originates from fertilizer and irrigation water. At this study site, the salt originating from seawater is replaced by that from fertilizer and irrigation water, due to intensive agricultural management. The study site is a delta that lay on the ocean subsurface at least 3000 years ago, and therefore, was originally a primary salinization area. This result suggests that anthropogenic secondary salinization progressed over time via fertilizer and irrigation applications. (C) 2010 Elsevier B.V. All rights reserved.

    DOI: 10.1016/j.scitotenv.2010.03.028

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  • Examination of Recovery from Salinization of Agricultural Area in Tamil Nadu State, INDIA due to the December 2004 Tsunami Reviewed

    KUME Takashi, UMETSU Chieko, K. Palanisami

    Transactions of The Japanese Society of Irrigation, Drainage and Rural Engineering   78 ( 2 )   83 - 88   2010

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    Language:Japanese   Publisher:The Japanese Society of Irrigation, Drainage and Rural Engineering  

    This study examined salinization and desalinization in an agricultural area of Nagapatttinam district, Tamil Nadu state, India due to the December 2004 tsunami. To examine the damage and recovery of agricultural environment from the tsunami, we observed and collected soil, groundwater and vegetation data. Soil electrical conductivity steeply increased after the tsunami and soil pH slightly increased, but returned to pre-tsunami levels in the following year. Groundwater salinity might return to pre-tsunami levels by 2006. MODIS EVI values measured before and after the tsunami showed that vegetation damaged by the tsunami recovered to its pre-tsunami state by the next rice cropping season, called samba, which continues from August to February. These rapid rates of recovery were due to leaching salt from the highly permeable soils in the area by the monsoon rainfall. From these results, we conclude that agricultural environment of the district has mostly recovered one year after the tsunami.

    DOI: 10.11408/jsidre.78.83

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  • Extractable potassium and its relation to clays of Mesaoria plain soils, Cyprus Reviewed

    Gokhan Buyuk, John Ryan, Hayriye Ibrikci, Takashi Kume, Nuri Güzel, Erhan Akca

    International Journal of Agriculture and Biology   12 ( 3 )   435 - 438   2010

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:FRIENDS SCIENCE PUBL  

    Potassium (K) is one of the major essential elements for plants nutrition. The objective of this study was to determine the origin of extractable K in soils of the Mesaoria plain. The study was conducted in 6 widely distributed soil series of the Mesaoria plain, which covers 1/3rd of the cultivated lands. Results showed that exchangeable K levels in soils are above 150 mg kg-1, which was mainly, due to the presence of illite, even in low amounts, mineral in all studied series. Exchangeable and non-exchangeable K fractions were positively correlated. Results suggested that at present available K in the soils is not limiting for common crops in N. Mesaoria plain however, at soils close to insufficient levels, cropping K-demanding crops such as maize may cause K deficiencies. © 2010 Friends Science Publishers.

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  • A general adaptation strategy for climate change impacts on paddy cultivation: special reference to the Japanese context Reviewed

    Tsugihiro Watanabe, Takashi Kume

    PADDY AND WATER ENVIRONMENT   7 ( 4 )   313 - 320   2009.12

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:SPRINGER HEIDELBERG  

    Climate changes due to global warming may affect paddy cultivation considerably. Climate changes directly affect rice plant growth, and within paddy cultivation catchments, alter the hydrological regime including flood patterns and water availability for irrigation, and drainage. Although increased atmospheric CO2 concentrations in the future may enhance plant growth through the CO2 fertilization effect, impacts of climate change on agriculture are complicated and difficult to predict precisely. This is especially the case for assessing impacts on paddy cultivation, where basin hydrological behavior needs to be understood in detail. Possible adaptations to reduce negative impacts should be tailored to local conditions, which modify climate change impacts on paddy cultivation. In this article, climate change impacts on paddy cultivation are reviewed and a general adaptation strategy is discussed with special reference to the Japanese context.

    DOI: 10.1007/s10333-009-0179-5

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  • Impact of the December 2004 tsunami on soil, groundwater and vegetation in the Nagapattinam district, India Reviewed

    Takashi Kume, Chieko Umetsu, K. Palanisami

    JOURNAL OF ENVIRONMENTAL MANAGEMENT   90 ( 10 )   3147 - 3154   2009.7

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD  

    The tsunami of 26 December 2004 struck the Nagapattinam District, Tamil Nadu, India. Sea water inundation from the tsunami caused salinization problems for soil and groundwater in coastal areas of the district, and also induced salt injuries in crops. To document the recovery of the agricultural environment from the tsunami, we conducted observations of the soil, groundwater, and vegetation. Soil electrical conductivity increased sharply after the tsunami, but returned to pre-tsunami levels the following year. Groundwater salinity returned to pre-tsunami levels by 2006. These rapid rates of recovery were due to the monsoon rainfall leaching salt from the highly permeable soils in the area. MODIS NDVI values measured before and after the tsunami showed that vegetation damaged by the tsunami recovered to its pre-tsunami state by the next rice cropping season, called samba, which starts from August to February. From these results, we conclude that the agricultural environment of the district has now fully recovered from the tsunami. Based on the results, we have also identified important management implications for soil, groundwater, and vegetation as follows: 1) due to the heavy monsoon rainfall and the high permeability of soils in this region, anthropogenic inputs like fertilizers should be applied carefully to minimize pollution, and the use of green manure is recommended: 2) areas that were contaminated by sea water extended up to 1000 m from the sea shore and over pumping of groundwater should be carefully avoided to prevent inducing sea water intrusion: and 3) data from a moderate resolution sensor of 250 m, such as MODIS, can be applied to impact assessment in widespread paddy field areas like the Nagapattinam District. (C) 2009 Elsevier Ltd. All rights reserved.

    DOI: 10.1016/j.jenvman.2009.05.027

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  • Soil Water Environment for Optimum Afforestation Management at Horqin Sandy Land in China Reviewed

    Aimin Hao, Tomokazu Haraguchi, Takashi Kume, Xueyong Zhao, Tsugihiro Watanabe, Yoshisuke Nakano

    Proceedings of the Fourth Conference of Asia Pacific Association of Hydrology and Water Resources   313 - 320   2009.1

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  • Long-term changes of water and salinity management in Lower Seyhan Plain, Turkey Reviewed

    T. Nagano, T. Onishi, T. Kume, T. Watanabe, K. Hoshikawa, S. Donma

    FROM HEADWATERS TO THE OCEAN: HYDROLOGICAL CHANGES AND WATERSHED MANAGEMENT   313 - +   2009

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:CRC PRESS-TAYLOR & FRANCIS GROUP  

    A Long-term change of shallow water table fluctuation patterns was assessed for a large-scale irrigation district which extends over an alluvial plain in Turkey in the Eastern Mediterranean. Over the last 20 years the water table which was previously characterized by large fluctuations and acute peaks, became flat and lost seasonality as a consequences of increases in the amount and duration of irrigation and of improvements in drainage. Salinity level of shallow water table also decreased over this twenty year period. Analysis by the Irrigation Management Performance Assessment Model suggested that leakage from canals was responsible for keeping the groundwater level high. Open drainage and sub-surface drainage were constantly functioning for drainage of excessive water. While many parts of the world suffer from increasing salinity problems associated with over-irrigation, Lower Seyhan Plain seems to be a fortunate exception case because i) introduction of summer irrigation to Mediterranean Climate with winter precipitation kept soil water flux always downward, ii) good drainage networks quickly carried away surplus water and iii) irrigation water supplied from upstream had low salt content and there was no hazard for secondary salinization.

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  • The Role of Monsoon Rainfall in Desalinization of Soil-groundwater System in Vegetation Recovery from the 2004 Tsunami Disaster in Nagapattinam District, India Reviewed

    Takashi Kume, Chieko Umetsu, K. Palanisami

    In M. Taniguchi, W.C. Burnett, Y. Fukushima, M. Haigh & Y. Umezawa eds. From Headwaters to the Ocean: Hydrological Change and Watershed Management, London: CRC Press   409 - 414   2009

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  • 乾燥地灌漑農地における水および塩分循環構造の解明と最適用水量配分

    中尾 千晶, 長野 宇規, 久米 崇, 赤江 剛夫

    水土の知 : 農業農村工学会誌 : journal of the Japanese Society of Irrigation, Drainage and Rural Engineering   76 ( 7 )   637 - 639   2008.7

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    Language:Japanese   Publisher:The Japanese Society of Irrigation, Drainage and Rural Engineering  

    DOI: 10.11408/jjsidre2007.76.7_637

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    Other Link: https://jlc.jst.go.jp/DN/JALC/00316577791?from=CiNii

  • Impact of Irrigation Water Use on the Groundwater Environment in Turkey Reviewed

    Takashi Kume, Takanori Nagano, Keisuke Hoshikawa, Tsugihiro Watanabe, Sevgi Donma, Erhan Akca, Musa Serdem, Selim Kapur

    Ground Water Quality and Environment Macmillan India Ltd.   31 - 38   2008.1

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  • Long-term changes of water and salinity management in Lower Seyhan Plain, Turkey Reviewed

    Takanori NAGANO, Takeo ONISHI, Takashi KUME, Tsugihiro WATANABE, Keisuke HOSHIKAWA, Sevgi DONMA

    M. Taniguchi, W.C. Burnett, Y. Fukushima, M. Haigh & Y. Umezawa (Eds.) “From Headwaters to the Ocean : Hydrological Changes and Watershed Management",Taylor and Francis   3113 - 319   2008

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  • Assessing Adaptive Capacity of Large Irrigation Districts Towards Climate Change and Social Change with Irrigation Management Performance Model Reviewed

    Takanori Nagano, Keisuke Hoshikawa, Sevgi Donma, Takashi Kume, Sermet Önder, Bulent Özekici, Riza Kanber, Tsugihiro Watanabe

    Proceedings of the International Conference: Water Saving in Mediterranean Agriculture & Future Research Needs   293 - 302   2007.1

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  • Developing a Hydrological Model with Spatial Information on Irrigation Management Reviewed

    HOSHIKAWA Keisuke, WATANABE Tsugihiro, NAGANO Takanori, KUME Takashi

    Journal of the Japanese Society of Irrigation, Drainage and Rural Engineering   75 ( 11 )   971 - 974,a1   2007

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    Language:Japanese   Publisher:The Japanese Society of Irrigation, Drainage and Rural Engineering  

    DOI: 10.11408/jjsidre2007.75.971

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  • Macroscopic Handling of a Large Irrigation District by the Irrigation Management Performance Assessment Model Reviewed

    Takanori NAGANO, Keisuke HOSHIKAWA, Sevigi DONMA, Takashi KUME, Tsugihiro WATANABE

    Proceedings of the 3rd International Conference on Hydrology and Water Resources in Asia Pacific Region   CD-ROM   2006

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  • A model for assessing the performance of irrigation management systems and studying regional water balances in arid zones, Reviewed

    Keisuke HOSHIKAWA, Tsugihiro WATANABE, Takashi KUME, Takanori NAGANO

    Proceedings of the 19th congress of International Commission on Irrigation and Drainage   2005

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  • Effect of Leaching Irrigation on the Spatial Distribution of Soil Salinity in the Hetao Irrigation District in China Reviewed

    Takashi KUME, Takanori NAGANO, Tsugihiro WATANABE・Toru MITSUNO・CHAOLUNBAGEN

    Proceedings of the 19th congress of International Commission on Irrigation and Drainage   CD-ROM   2005

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  • Analysis of Heterogeneous Soil Salinity Distribution in Poor Drainage Field Reviewed

    KUME Takashi, NAGANO Takanori, WATANABE Tsugihiro, MITSUNO Toru

    Transactions of The Japanese Society of Irrigation, Drainage and Reclamation Engineering   2004 ( 234 )   601 - 608   2004

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    Publisher:The Japanese Society of Irrigation, Drainage and Rural Engineering  

    Spatial analysis of soil salinity, micro-topography, groundwater level and electrical conductivity of groundwater before and after 150mm autumn ponding irrigation (leaching irrigation) was carried out to examine cause of heterogeneous soil salinity distribution in a poor drainage field in the Hetao irrigation district in Inner Mongolia, China. After 150mm of leaching irrigation, soil salinity and groundwater EC decreased, however heterogeneous distribution patterns were not greatly modified. Salt leaching effect was greater near the inlet and decreased towards outlet. Decrease of groundwater EC was small near the inlet and became greater towards outlet. Relationship between micro-topography and soil salinity proves that undulation regulated amount of infiltration water and lead to generating of spatial variability of soil salinity. While fundamental desalinization is difficult because of poor drainage, heterogeneous soil salinity distribution could be reduced to some extent by uniform supply of irrigation water.

    DOI: 10.11408/jsidre1965.2004.601

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  • Effect of Leaching Irrigation on Soil Salinity Distribution in Poor Drainage Field Reviewed

    KUME Takashi, NAGANO Takanori, WATANABE Tsugihiro, MITSUNO Toru

    Transactions of The Japanese Society of Irrigation, Drainage and Reclamation Engineering   2004 ( 233 )   469 - 476   2004

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    Publisher:The Japanese Society of Irrigation, Drainage and Rural Engineering  

    To analyze temporal and spatial variability of soil salinity in poor drainage area in the Hetao irrigation district of Inner Mongolia, China, measurements were made using an electromagnetic induction method (EIM) in September 2002 and in August and September 2003. During the observation periods, hydraulic gradient of ground water ranged between 1/480 and 1/1, 600 while soil hydraulic conductivity ranged 10<SUP>-5</SUP>cm s<SUP>-1</SUP> and 10<SUP>-7</SUP>cm s<SUP>-1</SUP>, which confirmed very limited lateral flow of groundwater. Spatial variability of EC of groundwater was high, and in each well, EC remained almost constant even after large amount of leaching irrigation in 2003. Distribution pattern of soil salinity scanned by the EIM did not change greatly with total of 325mm of irrigation applied between 2002 and 2003, nor with 150mm of leaching irrigation in 2003. As a conclusion, leaching irrigation was only effective in desalinization of root zone, however spatial variability of soil salinity was difficult to reduce without discharge of salt from the field.

    DOI: 10.11408/jsidre1965.2004.469

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  • Salinity Measurement of Homogeneous Soil Using Electromagnetic Induction Method Reviewed

    KUME Takashi, NAGANO Takanori, WATANABE Tsugihiro, MITSUNO Toru

    Transactions of The Japanese Society of Irrigation, Drainage and Reclamation Engineering   2003 ( 227 )   665 - 671   2003

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    Publisher:The Japanese Society of Irrigation, Drainage and Rural Engineering  

    Apparent electrical conductivity (<I>EC<SUB>a</SUB></I>) measured by Electromagnetic Induction Method (EIM) at the Hetao irrigation district in China was compared with <I>EC</I><SUB>1: 5</SUB> of soil water extract. Soil salinities of three soil depths (0-0.3, 0.3-0.6, 0.6-0.9m) under field capacity conditions were estimated using a linear three layers model. As a result, following became clear; 1) a good correlation was obtained between <I>EC<SUB>a</SUB></I> and average <I>EC</I><SUB>1:5</SUB> of 0.9m deep soil profile for volumetric water content ranging from approximately 0.33m<SUP>3</SUP>&middot;m<SUP>-3</SUP> to 0.42m<SUP>3</SUP> &middot;m<SUP>-3</SUP>, 2) salinity profiles could be classified with difference of two different ECa values of different sensing depth (<I>EC<SUB>v</SUB></I>, <I>EC<SUP>h</SUP></I>) and 3) fare estimates of salinity of three soil horizons could be made with a combination of measured <I>EC<SUP>h</SUP></I> and difference between <I>EC<SUB>v</SUB></I> and <I>EC<SUB>h</SUB></I>.

    DOI: 10.11408/jsidre1965.2003.665

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  • The Effect of Soil Desalinization in the Hetao Irrigation District, Inner Mongolia, China Reviewed

    KUME Takashi, AMAYA Takao, MITSUNO Toru

    Transactions of The Japanese Society of Irrigation, Drainage and Reclamation Engineering   2003 ( 223 )   133 - 139   2003

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    Publisher:The Japanese Society of Irrigation, Drainage and Rural Engineering  

    In the Hetao irrigation district, soil salinization and water shortage have been occurring. To study the effect of traditional desalinization techniques, we set up experimental sites near Shahaoqu station and started soil improvement since 1994. The techniques employed were mixing organic materials in soil and ponding irrigation in autumn (leaching). This paper reports the results of annual changes of soil chemical and physical properties at experimental sites. Mixing organic materials in soil did not improve soil physical properties, however EC values (soil surface and profile) were lowered by ponding irrigation in autumn. It was confirmed that soil desalinization can be done by ongoing desalinization techniques.

    DOI: 10.11408/jsidre1965.2003.133

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Books

  • 地域環境学 トランスディシプリナリー・サイエンスへの挑戦

    久米崇( Role: Joint authorI 知識を創りだす 1 伝統農業の知識に学ぶ――トルコ乾燥地帯の地下水資源管理)

    東京大学出版会  2018.1 

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  • Making Meaning of Traditional Agricultural Knowledge: Groundwater Management in Arid Areas of Turkey, Transformations of Social-Ecological Systems : Studies in Co-creating Integrated Knowledge Toward Sustainable Futures

    Takashi KUME, Erhan Akca, Tetsu Sato, Chabay, Ilan, Helgeson, Jennife( Role: Joint author)

    Springer  2018  ( ISBN:9789811323263

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    Total pages:xi, 430 p.   Language:English  

    CiNii Books

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  • Development and Success, For Whom and Where: The Central Anatolian Case

    Akça, E, Takashi, K, Sato, T

    Academic Press  2015.10 

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  • Re-evaluating Indigenous Technologies for Sustainable Soil and Water Management in the Sahel: A Case Study from Niger, Sustainable Land Management

    Takanori Nagano, Haruhiko Horino, Takashi Kume

    Springer  2011.1 

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  • 地球環境学事典

    久米崇( Role: Joint author土壌塩性化と砂漠化-予期しえなかった土地劣化現象-)

    弘文堂  2010 

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  • 人と水『水と環境』

    久米崇( Role: Joint author人, 自らを水に問う-その物質的・非物質的側面-)

    勉誠出版  2009 

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  • 地球の処方箋 環境問題の根源に迫る

    久米崇( Role: Joint author白い大地が語るもの)

    昭和堂  2008 

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  • 乾燥地科学シリーズ第3巻

    久米崇( Role: Joint author乾燥地の土地劣化とその対策, 4-2-2モニタリングによる土壌の塩分評価)

    古今書院  2008 

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MISC

  • Comparison of physical caracteristics of boreal and tropical peat.

    嶋村鉄也, 井上亮, 杉元宏行, 久米崇, YAMAMOTO Tadao, POESIE Erna S

    日本生態学会大会講演要旨(Web)   68th   2021

  • レジリエンス -理論から実践へ向けて-.特集 農業農村開発の潮流 –創刊25周年に寄せて- Invited

    久米崇

    ARDEC. (一財)日本水土総合研究所 海外情報誌   21 - 25   2019.9

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  • 2011年3月11日の三陸津波による宮城県の水田における塩害とその復興 (特集 復旧・復興への提言--どうする放射能汚染、農業・漁業・エネルギー) Invited

    久米 崇

    ビオフィリア   7 ( 2 )   59 - 61   2011

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    Language:Japanese   Publisher:アドスリー  

    CiNii Books

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  • 国際会議・国際交流 第7回PAWEES国際研究集会と第7回水田農業地域における農業工学の技術者育成に関する国際会議

    久米 崇, 増本 隆夫

    水土の知   78 ( 4 )   353 - 356   2010.4

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    Language:Japanese   Publisher:農業農村工学会  

    CiNii Books

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  • Integrated approach to climate change impact assessment on irrigated agriculture

    Tsugihiro WATANABE, Takanori NAGANO・Keisuke HOSHIKAWA, Yoichi FUJIHARA・Chieko UMETSU, Takashi KUME, Kenji TANAKA, Riza KANBER

    日本ICID協会会報   ( 20 )   77 - 90   2008

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  • Long-term dynamic of water and salinity management in lower Seyhan plan,Turky,20th International Congress on irrigation and drainage

    Takanori NAGANO, Keisuke HOSHIKAWA, Sevgi DONMA, Takeo ONISHI, Takashi KUME, Erhan AKCA・Selim KAPUR, Tsugihiro WATANABE

    日本ICID協会会報   ( 20 )   51 - 61   2008

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  • 地球研プロジェクト「乾燥地域の農業生産システムに及ぼす地球温暖化の影響」

    渡辺紹裕, 長野宇規, 久米崇, 星川圭介, 藤原洋一, 梅津千恵子

    農業農村工学会大会講演会講演要旨集   2007   18 - 19   2007.8

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    Language:Japanese  

    J-GLOBAL

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  • トルコ共和国セイハン川下流灌漑事業地区を対象とした温暖化影響評価

    星川圭介, 長野宇規, 久米崇, 梅津千恵子, 藤原洋一, 渡辺紹裕

    農業農村工学会大会講演会講演要旨集   2007   30 - 31   2007.8

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    Language:Japanese  

    J-GLOBAL

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  • Evaluation of impact of climate changes on the Lower Seyhan Irrigation Project

    Keisuke Hoshikawa, Takanori Nagano, Takashi Kume, Tsugihiro Watanabe

    Turkey. The final report of ICCAP, 217-226.   2007

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    Language:English  

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  • Predicting the Impact of Climate Change on Wheat Production in a Drought-Prone Area in Turkey

    Nakagawa Hiroshi, Kobata Tohru, Yano Tomohisa, Barutçular Ceraleddin, Koç Müjde, Tanaka Kenji, Nagano Takanori, Fujihara Yoichi, Hoshikawa Keisuke, Kume Takashi, Watanabe Tsugihiro

    Abstracts of Meeting of the CSSJ   223 ( 0 )   340 - 340   2007

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    Language:Japanese   Publisher:CROP SCIENCE SOCIETY OF JAPAN  

    DOI: 10.14829/jcsproc.223.0.340.0

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  • Water Use and Water Balance of Large Irrigation Schemes in the Yellow River Basin

    Tsugihiro WATANABE, Keisuke HOSHIKAWA, Takashi KUME

    Proceedings of The International Workshop on Land and Water Management in Arid Region   CD-ROM   2006

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  • An Analysis of Spatial Variability of Soil Salinity in An Irrigated Area Southern Turkey

    Takashi KUME, Erhan AK?A, Takanori NAGANO, Sevgi DONMA, Musa SERDEM, Selim KAPUR, Tsugihiro WATANABE

    Proceedings of International Symposium on Water and Land Management for Sustainable Irrigated Agriculture   CD-ROM   2006

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  • An Integrated Approach for Assessment of an Irrigation System In Lower Seyhan Plain, Turkey

    Takanori NAGANO, Sevgi DONMA, Keisuke, HOSHIKAWA, Takashi KUME, Chieko UMETSU, Erhan AK?A・Sermet ?NDER・Suha BERBERO?LU・Bulent, ZEKICI・Tsugihiro WATANABE, Selim KAPUR・Riza KANBER

    Proceedings of International Symposium on Water and Land Management for Sustainable Irrigated Agriculture   CD-ROM   2006

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  • Estimation of Water Balance of Hatao Irrigation District by Model Application

    Keisuke HOSHIKAWA, Takashi KUME, Takanori NAGANO, Tsugihiro WATANABE

    Proceedings of The International Workshop on Land and Water Management in Arid Region   CD-ROM   2006

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  • Impact of the Climate Change on Agricultural Production System in Arid Areas

    Takanori NAGANO, Takashi KUME, Keisuke HOSHIKAWA, Yoichi FUJIHARA, Shigenobu TAMAI, Tsugihiro WATANABE

    International Year of Deserts & Desertification -2006-:IYDD   2006

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  • Assessment of Climate Change Impacts on Irrigation Management Using a Performance Assessment Model

    Tsugihiro WATANABE, Keisuke HOSHIKAWA, Takashi KUME, Takanori NAGANO

    Proceedings of 3rd Asian Regional Conference of ICID   2006

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  • Soil Salinity Assessment in Hetao Irrigation District Using Electromagnetic Induction Technique

    Takashi KUME, Tsugihiro WATANABE・Toru MITSUNO

    Proceedings of The International Conference on the Optimum Allocation of Water Resource   132 - 137   2002

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Presentations

  • 大規模灌漑地における浅層地下水変動の要因

    長野宇規, 大西健夫, 星川圭介, 久米崇, 渡辺紹裕

    平成20年度農業農村工学会大会講演会  2008.8 

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    Event date: 2008.8

    Language:Japanese  

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  • タイ東北部における塩害に対する農家のレジリエンス強化に関する一考察

    山本忠男, 生方史数, 松田浩敬, 久米崇, 清水克之

    2019年度(第68回)農業農村工学会大会講演会  2019 

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  • 農地塩類のカスケード型利用システム導入による高濃度塩類を資源物質に転換する順応的環境ガバナンスの実践的研究

    久米崇, 山本忠男, 清水克之

    2019年度(第68回)農業農村工学会大会講演会  2019 

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  • 農村河川流域における生活排水由来医薬品分解中間生成物の存在実態

    治多伸介, 久米崇, 菅田伴, 中野拓治

    第70回農業農村工学会中国四国支部講演会  2015 

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  • 沖縄における生活排水由来医薬品の分解中間生成物の存在実態

    治多伸介, 安元純, 久米崇, 中野拓治

    第 18回日本水環境学会シンポジウム  2015 

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  • 農業集落排水施設の処理水への生活排水由来医薬品と分解中間生成物の混入実態

    治多伸介, 張玉名, 久米崇

    平成28年度農業農村工学会大会講演会  2016 

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  • 3種類の土壌における生活系医薬品に対する吸着量の定量的解析

    久米崇, 治多伸介

    平成28年度農業農村工学会大会講演会  2016 

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  • 環境変動下における農業・農村のレジリエンス強化戦略-レジリエンス理論とその応用- Invited

    久米崇

    農業農村工学会北海道支部講演会  2015 

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  • 集落排水施設の汚泥に対する生活排水由来医薬品と分解中間生成物の混入実態

    治多伸介, 川原健太郎, 中野拓治, 久米崇

    平成29年度農業農村工学会大会講演会  2017 

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  • レジリエンスから解釈した農業農村地域の変化への適応とショックからの回復

    久米崇, 山本忠男, 清水克之

    平成28年度農業農村工学会大会講演会  2016 

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  • 農業集落排水施設の流入水と処理水に対する生活排水由来医薬品と分解中間生成物の混入特性

    張鈺銘, 山路隆成, 久米崇, 治多伸介

    第50回日本水環境学会年会  2016 

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  • 農業集落排水処理水が流入する沖縄の農村河川における生活排水由来医薬品の浄化作用

    治多伸介, 久米崇, 中野拓治

    第19回日本水環境学会シンポジウム  2016 

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  • 愛媛県のダム貯水池における生活排水由来医薬品の浄化作用

    水崎聖士, 治多伸介, 久米崇, 中野拓治

    第72回農業農村工学会中国四国支部講演会  2017 

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  • 集落排水高度処理水を利用した水田における生活排水由来医薬品の土壌蓄積

    治多伸介, 中矢雄二, 久米 崇

    平成25年度 農業農村工学会全国大会  2013 

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  • 高度処理水利用水田で収穫された玄米に対する生活排水由来医薬品の健康リスク評価

    治多伸介, 片山貴裕, 菅田伴, 久米崇, 中矢雄二

    平成26年度農業農村工学会大会講演会  2014 

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  • 乾燥地域における灌漑農地の塩性化に対するレジリエンス

    久米崇, 清水克之, 山本忠男

    平成26年度農業農村工学会大会  2014 

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  • 琉球石灰岩地域におけるPPCPs の実態把握と水環境リスクに及ぼす影響に関する研究

    治多伸介, 安元純, 久米崇, 中野拓治

    第 17回日本水環境学会シンポジウ  2014 

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  • 農業農村におけるレジリエンス強化に向けて

    久米崇, 山本忠男, 清水克之

    平成27年度農業農村工学会大会講演会  2015 

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  • Analysis of heterogeneous distribution of soil salinity in an irrigated district in Xinjiang Uygur, China

    Kume, T, Shimizu, K, Yamamoto, T

    The 6th International Conference on Environmental and Rural Development  2015 

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  • 農業集落排水施設の活性汚泥法による生活排水由来医薬品の分解特性

    菅田 伴, 久米 崇, 治多伸介

    第69回 農業農村工学会中国四国支部講演会  2014 

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  • 生活排水由来医薬品に対する水田土壌の吸着能力と除去特性

    久米崇, 菅田伴, 治多伸介, 萬家裕子

    第69回農業農村工学会中国四国支部講演会  2014 

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  • Ability of irrigation pond to decrease concentrations of pharmaceuticals in reclaimed wastewater

    Sugata, B, Kume, T, Nakaya, Y, Haruta, S

    9th IWA International Symposium on Waste Management Problems in Agro-Industries  2014 

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  • 農業集落排水処理水を送水した農業用ため池の生活排水由来医薬品の浄化機能

    菅田 伴, 久米 崇, 中矢雄二, 治多伸介

    第48回日本水環境学会年会  2014 

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  • Analysis of Surface and Subsurface Salinity Conditions using Strontium Isotope Ratio and Groundwater Numerical Model

    Takashi Kume

    Danish Japanese Water and Climate workshop  2010 

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  • Shock Sensitivity, Land Use Recovery and Resilience: Lessons learned from the Indian Ocean's tsunami affected farmers in Tamil Nadu, India

    Chieko Umetsu, Thamana Lekprichakul, K. Palanisami, M. Shathasheela, Takashi Kume

    Global Land Project (GLP), Open Science Meeting 2010  2010 

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  • Assessing the Resilience of Agricultural Fields Affected by the 2004 Tsunami Disaster

    Takashi Kume, Chieko Umetsu, K.Palanisami

    AIWEST-DR 2010  2010 

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  • 集落排水処理水に含まれる生活系医薬品の水田土壌における除去

    久米崇, 治多伸介

    平成25年度 農業農村工学会全国大会  2013 

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  • Climate change, biodiversity loss, and desertification. Drought, Desertification and Climate Change of Turkey Invited

    Takashi Kume

    Workshop at Toprak ve Su, Karapinar, Konya, Turkey  2013 

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  • Rio+20, Future earth, and the ILEK project, RIHN - Co-design, co-production, and co-adaptation for sustainable development and adaptive governance Invited

    Takashi Kume

    Ministry meeting (Ministry of environment and forestry, Government of Turkey)  2013 

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  • Resilience of Tsunami Affected Farm Households in Coastal Region of Tamil Nadu, India

    Chieko Umetsu, Thamana Lekprichakul, K. Palanisami, M. Shanthasheela, Takashi Kume

    Resilience 2011, Second International Science and Policy Conference  2011 

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  • How can Resilience be Understood and Quantified? -A Case Study of the 2004 Tsunami Disaster in Nagapattinam District, Tamil Nadu, India-

    Takashi Kume, Chieko Umetsu, K.Palanisami

    Resilience 2011, Second International Science and Policy Conference  2011 

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  • Recovery of Agricultural Fields in Tamilnadu, India and Implications to Japan

    Takashi Kume

    World Water Week 2011  2011 

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  • 混合モデルによる灌漑農地における塩類起源の定量的解析

    久米崇, 長野宇規, 中野孝教, 渡邉紹裕

    平成24年度 農業農村工学会全国大会  2012 

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  • 水素,酸素安定同位体比測定による乾燥地灌漑農地の水・塩分の動態分析

    中尾千晶, 赤江剛夫, 長野宇規, 久米崇

    平成20年度農業農村工学会大会講演会  2008 

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  • 安定同位体を用いた灌漑農地の環境評価

    久米崇, 長野宇規, 星川圭介, 藤原洋一, 中野孝教, 渡邉紹裕

    平成20年度農業農村工学会大会講演会  2008 

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  • Global Water Issue and Water Crisis in Karapinar, TEMA (The Turkish Foundation for Combating Soil Erosion, for Reforestation and the Protection of Natural Habitats) Invited

    Takashi Kume

    Annual Conference, Karapinar, Turkey  2009 

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  • 安定同位体を用いた灌漑農地の地下水起源同定

    芝井隆, 長野宇規, Erhan Akca, 久米崇, 渡邉紹裕, Selim Kapur

    平成22年度農業農村工学会大会講演会  2010 

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  • Resilience of Tsunami Affected Households in Coastal Region of Tamil Nadu, India

    Chieko Umetsu, Thamana Lekprichakul, K.Palanisami, M. Shanthasheela, Takashi Kume

    The 2010 Meeting of the Society of Environmental Economics and Policy Studies  2010 

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  • トルコアダナの塩性化地域における排水に肥料が与える影響の季節変化

    久米崇, Erhan Akca, 中野孝教, 長野宇規, Selim Kapur, 渡邉紹裕

    第1回同位体環境学シンポジウム(総合地球環境学研究所)  2010 

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  • Impact of Climate Changes on Wheat Yield of Semi-arid Region and Rice Cropping in Japan Invited

    Takashi Kume

    PAWEES 2008 7th Conference and Annual Meeting  2008 

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  • Sr安定同位体による塩性土壌の塩類起源の推定

    久米崇, 長野宇規, 中野孝教, 渡邉紹裕

    平成21年度農業農村工学会大会講演会  2009 

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  • Impact of Tsunami on the Farm Huseholds of Coastal Tamilnadu State, India

    K.Palanisami, Chieko Umetsu, Takashi Kume, Shantha Sheela

    7th International Science Conference on the Human Dimensions of Global Environmental Change (IHDP), Open Meeting 2009  2009 

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  • Impact of irrigation water use on the groundwater environment and the soil salinity

    Takashi Kume, Takanori Nagano, Keisuke Hoshikawa, Tsugihiro Watanabe

    平成19年度農業農村工学会大会講演会  2007 

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  • Irrigation and Drainage Canal Properties as Important Indices for Assessing Adaptive Capacity of Large Irrigation Districts towards Climate Change and Social Change

    Takanori Nagano, Keisuke Hoshikawa, Sevgi Donma, Takashi Kume, Tsugihiro Watanabe

    An Earth System Science Partnership Global Environmental Change Open Science Conference  2006 

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  • Evaluation of Impact of Climate Changes on Crop Production and Irrigation Management in the Lower Seyhan Irrigation Project

    Keisuke Hoshikawa, Takanori Nagano, Takashi Kume, Tsugihiro Watanabe

    The International Workshop for the Research Project on the Impact of Climate Changes on Agricultural Production System in Arid Areas  2006 

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  • Evaluation of Climate Change Impacts on the Lower Seyhan Irrigation Project, Turkey

    Keisuke Hoshikawa, Takanori Nagano, Takashi Kume, Riza Kanber, Tsugihiro Watanabe

    Third APHW Conference on “Wise Water Resources Management towards Sustainable Growth and Poverty Reduction”  2006 

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  • 気候変化がトルコの干ばつ常襲地域の小麦生産に与える影響の予測

    中川博視, 小葉田亨, 矢野友久, Ceraleddin Barutçular, Müjde Koç, 田中賢二, 長野宇規, 藤原洋一, 星川圭介, 久米崇, 渡邉紹裕

    平成19年度日本作物学会  2007 

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  • 学際研究の課題とその展望

    久米崇

    平成18年度農業土木学会  2006 

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  • Progress Report of salinity diagnosis in an irrigation project area of delta, Turkey

    Takashi Kume, Erhan Akca, Takanori Nagano, Sevgi Donma, Musa Serdem, Selim Kapur, Tsugihiro Watanabe

    The International Workshop for the Research Project on the Impact of Climate Changes on Agricultural Production System in Arid Areas  2006 

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  • An Integrated Approach for Assessment of an Irrigation System in Lower Seyhan Plain, Turkey

    Takanori Nagano, Sevgi Donma, Keisuke Hoshikawa, Takashi Kume, Chieko Umetsu, Erhan Akca, Sermet Onder, Suha Berberoglu, Bulent Ozekici, Tsugihiro Watanabe, Selim Kapur, Riza Kanber

    The International Workshop for the Research Project on the Impact of Climate Changes on Agricultural Production System in Arid Areas  2006 

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  • Macroscopic Handling of a Large Irrigation District by the Irrigation Management Performance Assessment Model

    Takanori Nagano, Keisuke Hoshikawa, Sevgi Donma, Takashi Kume, Tsugihiro Watanabe

    Third APHW Conference on “Wise Water Resources Management Towards Sustainable Growth and Poverty Reduction”  2006 

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  • 土地利用と塩分濃度の関係を利用した地域的な塩類集積評価

    久米崇, 長野宇規, 星川圭介, Erhan AKCA, Sevgi Donma, Selim Kapur, Suha Berbeloglu, 渡邉紹裕

    平成18年度農業土木学会  2006 

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  • トルコ共和国セイハン川下流灌漑事業地区を対象とした温暖化影響評価

    星川圭介, 長野宇規, 久米崇, 渡辺紹裕

    平成18年度農業土木学会  2006 

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  • 灌漑実行評価モデル(IMPAM)の開発と適用

    星川圭介, 久米崇, 長野宇規, 渡邉紹裕

    平成17年度農業土木学会大会  2005 

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  • Water Use Efficiency of the Selected Tertiary Canals in the Lower Seyhan Irrigation Project Area, Trukey

    Nagano Takanori, Hoshikawa Keisuke, Kume Takashi, Watanabe Tsugihiro, Sevgi Donma

    平成17年度農業土木学会  2005 

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  • Assessment of Adaptation Capacity of a Large Irrigation District towards Social and Climatic Changes: A Case Study of Lower Seyhan Basin in Southern Turkey

    Takanori Nagano, Keisuke Hoshikawa, Sevgi Donma, Takashi Kume, Tsugihiro Watanabe

    World Water & Environmental Resources Congress of American Society of Civil Engineers  2005 

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  • 黄河流域河套灌区における圃場および灌区スケールの蒸発散量

    大上博基, He Bin, 久米崇, 高瀬恵次

    平成18年度水文水資源学会  2006 

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  • 多点塩分観測による除塩灌漑効果の検証

    久米崇, 長野宇規, 渡邉紹裕, 三野徹

    平成16年度農業土木学会大会  2004 

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  • Regional soil salinity assessment using measurement data, archived data, and satellite image data

    2004 

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  • SPACモデルを用いた黄河流域河套潅区における蒸発散量分布の推定

    大上博基, 田本敏之, 久米崇, 赤江剛夫, 高瀬恵次

    農業環境工学関連7学会2005年合同大会  2005 

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  • トルコアダナの土壌塩分分布のモニタリング結果

    久米崇, 長野宇規, Sevgi Donma, Selim Kapur, 星川圭介, 渡邉紹裕

    平成17年度農業土木学会大会  2005 

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  • 農家レジリエンス向上に向けたカスケード型塩類利用システムの運用事例

    久米 崇, 山本忠男, 清水克之

    2020年度(第69回)農業農村工学会大会講演会  2020 

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  • 降雨と排水改良によるタイ東北部における塩類土壌改良評価

    鈴木芽偉, 久米崇, 山本忠男, 清水克之

    2020年度(第69回)農業農村工学会大会講演会  2020 

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  • 水田塩類土壌におけるワサビノキの耐塩性

    稲田唯花, 久米崇, 治多伸介

    2020年度(第69回)農業農村工学会大会講演会  2020 

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  • 農業集落排水施設の汚泥への生活排水由来医薬品の混入濃度が低下する条件

    治多伸介, 川原健太郎, 久米崇

    第74回農業農村工学会中国四国支部講演会  2019 

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  • 熱帯亜熱帯地域における太陽光を利用した医薬品分解処理の可能性と発展性

    治多伸介, 水崎聖士, 久米崇, 中野拓治

    第22回日本水環境学会シンポジウム  2019 

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  • Effect of Excavated Small Draingane Channels on Desalinization in Northeastern Thailand

    Naho Nohara, Tadao Yamamoto, Takashi Kume, Katsuyuki Shimzu, Chuleemas Boonthai Iwai

    The 11th ICERD-International Conference on Environmental and Rural Development  2020 

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  • 内蒙古河套灌区におけるEM-38を用いた土壌塩類評価に関する一手法

    久米崇, 三野徹, 渡邉紹裕

    平成14年度農業土木学会大会  2002 

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  • 電磁誘導法による土壌塩分分布解析

    久米崇, 長野宇規, 渡邉紹裕, 三野徹

    平成15年度農業土木学会大会  2003 

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  • 多点観測による土壌塩分濃度分布解析

    久米崇, 長野宇規, 渡邉紹裕, 三野徹

    平成15年度農業土木学会京都支部講演  2003 

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  • 内蒙古河套灌漑地区における塩類集積土壌の解析

    久米崇

    システム農学会春季講演会  2000 

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  • リモートセンシングとGISによる内蒙古河套灌区の土地被覆状況の解析

    久米崇

    モンゴル学会  2000 

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  • GISを用いた河套灌区の土壌塩類化問題解析のアプローチ

    久米崇, 鳥井清司, 三野徹

    平成13年度農業土木学会大会  2001 

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  • 農業集落排水施設の汚泥に対する乾燥・コンポスト化による生活排水由来医薬品の分解効果

    治多伸介, 程 志, 川原健太郎, 久米崇, 中野拓治

    第73回農業農村工学会中国四国支部講演会  2018 

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  • 農業集落排水処理水で生育させた作物の元素吸収の特徴

    治多伸介, 佐野奈津子, 久米崇, 中野拓治

    平成30年度農業農村工学会大会講演会  2018 

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  • Societal Implementation of Cascading Salt Using System (CSUS) for adaptive governance of saline field in Bhan Phai district, Khon Kaen Province, Thailand Invited International conference

    久米崇

    World Soil Day 2018  2018.6 

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    Language:English   Presentation type:Oral presentation (invited, special)  

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  • Effects of vermicompost and rice husk ash on the change of soil chemical properties and growth of rice in salt affected area

    Chaipisit Pengkam, Chuleemas Boonthai Iwai, Takashi Kume

    The 10th International Conference on Environmental and Rural Development  2019 

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  • タイ東北部における塩害に対する農家のレジリエンス強化に関する一考察

    山本忠男, 生方史数, 松田浩敬, 久米崇, 清水克之

    平成30年度農業農村工学会大会講演会  2018 

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  • レジリエンス・地域環境知・超学際的アプローチから創る灌漑農業の未来

    久米崇, 山本忠男, 清水克之

    平成30年度農業農村工学会大会講演会  2018 

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  • Investigation of temporal and spatial distribution of soil EC at paddy rice fields in Khon Kaen Thailand

    Katsuyuki Shimizu, Naho Nohara, Tadao Yamamoto, Takashi Kume, Chuleemas Boonthai Iwai

    The 10th International Conference on Environmental and Rural Development  2019 

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  • トルコ・セイハン河下流平野における浅層地下水位と塩害の長期変化

    セブギドンマ, 長野宇規, 星川圭介, 久米崇, 渡辺紹裕

    平成18年度農業土木学会  2006 

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  • The Cascading Salt Using System for Adaptive Environmental Governance to Sustain Rural Areas in, Khon Kaen Province, Thailand

    Takashi Kume, Chuleemas Boonthai Iwai, Pranee Srihaban, Tadao Yamamoto, Katsuyuki Shimizu, Hirotaka Matsuda, Fumikazu Ubukata

    The 10th International Conference on Environmental and Rural Development  2019 

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Awards

  • 農業農村工学会学会賞 研究奨励賞受賞

    2018.8   社団法人農業農村工学会   乾燥地の塩害農地における塩の起源・動態の分析と評価に関する一連の研究

    久米崇

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Research Projects

  • 熱帯低湿地にみられる自然と社会のレジリエンスの解明

    2023.4 - 2026.3

    日本学術振興会  科学研究費助成事業  基盤研究(B)

    嶋村 鉄也, 甲山 治, 久米 崇, 増田 和也

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    Grant amount:\18850000 ( Direct Cost: \14500000 、 Indirect Cost:\4350000 )

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  • 東北タイにおける塩類土壌の改良・再定義と新たな利活用オプションの開発

    2021.4 - 2025.3

    日本学術振興会  科学研究費助成事業  基盤研究(B)

    久米 崇, 山本 忠男, 生方 史数, 大澤 由実, 松田 浩敬

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    Grant amount:\16640000 ( Direct Cost: \12800000 、 Indirect Cost:\3840000 )

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  • ICTとAIプログラムから創造される地域環境知による乾燥地の節水灌漑技術の開発

    2020.7 - 2024.3

    日本学術振興会  科学研究費助成事業 挑戦的研究(開拓)  挑戦的研究(開拓)

    久米 崇, 時田 恵一郎, 清水 克之, 松田 浩敬, 福永 真弓

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    Grant amount:\24960000 ( Direct Cost: \19200000 、 Indirect Cost:\5760000 )

    研究2年目の2021年度も、前年度に引き続き新型コロナウィルスの世界的な感染拡大により、予定していた現地への渡航がすべて実施できなかった。その結果、研究グループで設定した各テーマの研究の大半は実行できなかった。
    研究は、現地とのSNS等を通じた打ち合わせ、既存データ整理、文献調査を主として可能な範囲内で実施した。各テーマの研究内容は次の通りである。
    テーマ1:調査圃場における土壌および灌漑に関する現地調査は実施できなかった。ただし、これまで取得した地域環境知による節水メロンかんがいのデータをもとに、現地における水資源の持続的利用に関する検討を行うことができた。社会ネットワーク調査は、コロナ禍における女性の外出状況について聞き取りを行った。
    テーマ2:インタビュー、現地踏査による地域環境知の収集については、トルコへの渡航が出来なかったため実施していない。ICTによる地域環境知の発掘・収集についても、現地の農家との関係構築が出来ていない状態なので、実施が出来ていない。ICTやAIに関しては既往の研究レビューを進めている。
    テーマ3:基礎的経済データの収集について、インターネット上にあるトルコ政府発表の基礎的な統計データの収集を行い、各種の分析を行った。しかしながら、これらのデータは、十分ではない。現地におけるインタビュー調査・アンケート調査によるデータ収集を行わないと、本テーマの研究を進めることは難しい。

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  • 東南アジア熱帯低湿地火災への多面的アプローチによる熱帯低湿地学の構築

    2019.4 - 2023.3

    日本学術振興会  科学研究費助成事業 基盤研究(A)  基盤研究(A)

    嶋村 鉄也, 久米 崇, 杉元 宏行, 増田 和也, 甲山 治, 伊藤 雅之, 御田 成顕, 大出 亜矢子, 内藤 大輔

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    Grant amount:\45890000 ( Direct Cost: \35300000 、 Indirect Cost:\10590000 )

    泥炭は植物遺体が冠水条件下で未分解のまま堆積した有機質土壌である。寒帯ではミズゴケやヨシなどの遺体が、熱帯では木本植物の遺体がその基質となっている。この泥炭土壌は開発の際に排水がおこなわれ、乾燥し、燃えやすいものとなる。熱帯域では開発により多くの泥炭地で火災が頻発し、それに伴い膨大な量の温室効果ガスの放出や煙害などが生じ深刻な環境問題となっている。本課題では熱帯および北方泥炭の保水性や燃焼特性を計測した。これらの燃焼に関わる特性は、特に熱帯域においてはその不均一性などの理由から理解が進んでいないからである。泥炭は北海道新篠津村の泥炭復興フィールドから採取した北方泥炭と、インドネシア・中央カリマンタン州の混交林型の森林および、火災被害地より熱帯泥炭を採取し、その保水性と燃焼特性を調べた。
    保水性試験の結果、北方泥炭は飽和時~pF1.0で90%以上、熱帯泥炭は60%、pF1.0で50%程度の体積含水率であった。また、pF4.2で北方泥炭は40%程度、熱帯泥炭で20%程度の体積含水率であった。火災被災地の泥炭も森林部の泥炭と同程度の値を示した。含水比は飽和時~pF1.0のとき、それぞれ北方泥炭で700%~800%、熱帯泥炭では300%前後の値であり、北方泥炭の保水性が高いことが示された。熱帯泥炭の熱重量分析を行った結果、ヒノキなどの木材を燃焼させた際に生じる300℃前後におけるセルロースの燃焼による発熱とその蒸発による吸熱を確認することができず、発熱反応が継続していた。
    これらの結果より、1)熱帯泥炭は北方泥炭よりも保水力は低いということ、2)火災を経験した場所の泥炭も、経験していない場所の泥炭も保水性に大きな違いがない可能性が示唆されたこと、3)熱帯泥炭は木材と同様の燃焼特性を持つと考えられたが、セルロースの分解が進行しており、木材と異なる燃焼特性を持つ可能性が示唆された。

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  • Constructing research network of adaptive governance of saline soil to halt land degradation in ASEAN countries

    2018.9 - 2019.8

    JST  Japan-ASEAN Science, Technology and Innovation Platform 2018 

    久米崇

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  • 農地塩類のカスケード型利用システム導入による高濃度塩分を資源物質に転換する順応的環境ガバナンス の実践的研究

    2018.4 - 2021.3

    三井物産  三井物産環境基金 

    久米崇

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    Authorship:Principal investigator  Grant type:Competitive

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  • Development of the quantitative evaluation methods of reinforcement factor in farmers' resilience for salinization by disaster and climate change

    2017.4 - 2020.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

    YAMAMOTO Tadao

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    Grant amount:\14950000 ( Direct Cost: \11500000 、 Indirect Cost:\3450000 )

    This study's objective is to develop quantitative evaluation methods to clarify the factors that enhance the farmers' resilience in the salinization region. We performed the interview research to residents and field research to grasp salt and groundwater changes in the saline field and revealed the following. (1) extracting resilience factors and considering their relationship, (2) leaching effect in the rainy season was more effective in paddy fields than saline wasteland. And annual EC change in the surface of saline wasteland is small, (3) Farmer's family budget become stabilized by taking several sources of income, (4) Restoration curve was different from each village. Personal differences in restoration curves related to restoration speed or extent of damage than the form of its curve.
    Developing the quantitative evaluation method was difficult to achieve due to the difficult situation to collect data in the finalization phase because travel to foreign country has been restricted.

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  • Development of water-saving irrigation technology for groundwater conservation by introducing local environmental knowledge and a trans-disciplinary approach

    2017.4 - 2020.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

    Kume Takashi

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    Grant amount:\14820000 ( Direct Cost: \11400000 、 Indirect Cost:\3420000 )

    The objective of this study is to develop new water-saving irrigation technologies by "discovering local environmental knowledge" and introducing a "trans-disciplinary approach". The main outcomes of this research are: 1) observation has shown that melon cultivation is sufficiently feasible with the water-saving irrigation technology traditionally used in the region, and 2) based on the workshop conducted by this research, activities have been initiated to collaborate with various stakeholders to produce and sell pickles using melons. These results show promise for the effectiveness and development of water-saving irrigation technologies that conserve groundwater in the study area, where annual precipitation is about 300 mm, and suggest that agricultural activities can be sustainable even during droughts.

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  • Building transdisciplinary network and controlling uncertainty of societal implementation of scientific technology toward achievement of SDGs

    2016.9 - 2018.8

    JST  apan-ASEAN Science, Technology and Innovation Platform 2016 

    久米崇

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  • Resilience and utilization of natural resource in disaster prone area of Indonesia

    2016.4 - 2019.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

    Shimamura Tetsuya

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    Grant amount:\18070000 ( Direct Cost: \13900000 、 Indirect Cost:\4170000 )

    We conducted a survey on livelihoods and resilience in disaster-prone areas of Indonesia. In Central Kalimantan Province, where peat fires frequently occur, different resilience was demonstrated in line with the original livelihood. Recently swallow nest farming as it is getting profitable is becoming popular livelihood regardless of the original livelihood. Fire care community groups were established in the region due to the recommendation from the ministry of environment and forestry and growing interests of communities. These factors are making livelihood and fire measures common. Similarly, resilience was exerted in the area of Mt. Merapi as the local community make the most of disaster. For example, they sell sand and stones generated by debris flow and develop disaster tourism. The changes can be regarded as a transformation against disaster and has been achieved by not only internal resilience but also external factors similar to the case of Central Kalimantan.

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  • Actual conditions and control measures of pharmaceuticals and personal care products in sludge of rural sewerage for agricultural land application

    2016.4 - 2019.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

    HARUTA Shinsuke, Chang Andrew, Gun Jay, Simunek Jirka

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    Grant amount:\13130000 ( Direct Cost: \10100000 、 Indirect Cost:\3030000 )

    In this research, we determined the actual concentrations of pharmaceuticals and personal care products (PPCPs) in sludge of rural sewerage and the control measures for depression of the PPCPs concentrations in the crops applied the sludge. For the depression of the PPCPs concentrations in sludge, long retention time and aeration in the sludge storage tank in rural sewerage are effective. In the drying and compost process, longer treatment time and higher treatment temperature leads to the promotion of PPCPs degradation. The farmland soil containing the high concentration of organic matters have high adsorption capacity and biodegradation ability for PPCPs. Root vegetables tend to have higher PPCPs concentration than leafy vegetables. These findings would be valuable for the control the PPCPs concentrations in the crops applied the sludge.

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  • Actual concentrations and control technique of transformed products of pharmaceuticals in rural sewerage reclaimed wastewater and paddy applied with the reclaimed wastewater

    2013.4 - 2016.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

    HARUTA Shinsuke, Fujiwara Taku, KURODA Hisao, SAITO Hirotaka, KUME Takashi, NISHIWAKI Hisashi, NISHI Kousuke

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    Grant amount:\14170000 ( Direct Cost: \10900000 、 Indirect Cost:\3270000 )

    Some transformed products of pharmaceuticals (TPs) often have adverse effects on aquatic ecosystem and human health. In this research, the actual TPs concentrations in the reclaimed wastewater of rural sewerage and in the water in the paddy field applied with the reclaimed wastewater were clarified. We found that it is very effective for depression of the TPs concentration to keep the high bacterial concentration in the treatment tanks in rural sewerage, the long water retention time in the paddy and so on, because the biodegradation and photodegradation are enhanced in the conditions. These findings will contribute to the high safety of the rural sewerage reclaimed water for aquatic ecosystem and human health and the reliability of the water purification function of the paddy irrigated with the reclaimed water.

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  • Analysis of salinization and desalinization process of agricultural soil by multi-tracer method

    2013.4 - 2016.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    Kume Takashi, HARUTA Shinsuke, HOSONO Takahiro

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\5070000 ( Direct Cost: \3900000 、 Indirect Cost:\1170000 )

    We measured strontium isotope ratios (87Sr/86Sr) and concentrations of trace elements of irrigation water, drainage water and soil extracted water. Results showed that those concentrations increased from upper stream to downstream.
    The 87Sr/86Sr ratios of soil extract of water and acetic acid showed positive relationship, and the ratio of each sampling point showed distinctive value. The data showed salt origins of sampled soils changed from upper stream to downstream; sea water salt were replaced by that from irrigation water and other anthropogenic inputs in the study area. Therefore, the measurements could be applicable to analyze salinization and desalinization process in irrigated soils from past to present.

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  • Consideration of critical levels in management of water and soil resources for sustainable agriculture in an arid area.

    2012.4 - 2015.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

    YAMAMOTO TADAO, SHIMIZU Katsuyuki, KUME Takashi

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    Grant amount:\18980000 ( Direct Cost: \14600000 、 Indirect Cost:\4380000 )

    The study object is to examine the wise use of land and water for establishment of sustainable irrigation agriculture with preventing a soil salinization in an arid area. The field research is carried to grasp of the agricultural water use and the relations with salinization and irrigation on the cultivated field in Turpan district, China.
    As results, (a) farmers participation water management introduced in late years is effective in water distribution, (b) diffusing of well and increasing of groundwater use affect the decreasing of Karze (Qanat) discharge and (c) water quality in well is different by wells depth and location, were become clear. Then, it was confirmed that accumulating saline between soil surface and about 60cm depth occurs the salinization in the field. This reason is that sufficient water volume for leaching could not be secured because of the drip irrigation introduced by rearranging from border irrigation.

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  • Development of an integrated approach for management of salinity problems in large irrigation districts

    2010 - 2012

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B)  Grant-in-Aid for Scientific Research (B)

    NAGANO Takanori, WATANABE Tsugihiro, KUME Takashi, KOTERA Akihiko

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    Grant amount:\15210000 ( Direct Cost: \11700000 、 Indirect Cost:\3510000 )

    Observations were made in two large irrigation districts (Akarsu and Harran) in the eastern Turkey for developing an integrated approach for management of salinity problems. Saline field ware indirectly detected by remote sensing, dynamics of shallow water table was monitored using oxygen, hydrogen and strontium stable isotopes. The water budget was verified by the distributed coupled model of water and salt dynamics.

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  • Estimation of Salt Origin of Irrigation District Using Strontium Isotope Ratio and Chemical Composition

    2010 - 2012

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B)  Grant-in-Aid for Young Scientists (B)

    KUME Takashi

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\4160000 ( Direct Cost: \3200000 、 Indirect Cost:\960000 )

    Salt origins of agricultural drainage water samples can be analyzed by the 87Sr/86Sr isotope ratio and chemical composition. Plots of 87Sr/86Sr vs. 1/Sr suggested that the origin of salt in drain water were irrigation water, fertilizer and fossil seawater, and analysis of a mixing model incorporating these three end-components showed that the origins of Sr in drainage differed markedly between summer and winter. Origins of sodium and calcium of the drain water were also tested using 87Sr/86Sr and Na/Sr and Ca/Sr as tracers. While quantitative analysis has been in process, environmental dynamics of sodium and calcium could be interpreted by result of strontium isotope analysis using plots of those tracers.

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  • Analysis of the Hydrological Environment in Agricultural Regions Using the Method of Environment Traceability.

    2007 - 2009

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A)  Grant-in-Aid for Scientific Research (A)

    WATANABE Tsugihiro, NAKANO Takanori, UMETSU Chieko, FUJINAWA Katsuyuki, NAKAYAMA Mikiyasu, NAGANO Takanori, TANAKA Kenji, KUME Takashi, HOSHIKAWA Keisuke, KOSAKI Takashi, TANAKA Yukio, FUJIHARA Yoichi, LANGNER Andreas, UYAR Aysun, AKCA Erhan, KAPUR Selim, BERBERGLU Suha, DONMA Sevgi, BUYUK Gokuhan

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    Grant amount:\31590000 ( Direct Cost: \24300000 、 Indirect Cost:\7290000 )

    This study examined hydrological environment in irrigated area, especially on dynamics of water and salt using environmental traceability method. The water quality analysis confirmed that environmental tracers, D/H, δ^<18>O, and ^<87>Sr/^<86>Sr, can be used as tracer of surface water and groundwater in irrigated area. It proved that the ^<87>Sr/^<86>Sr can be used as tracer of salt. Quantitative analysis using the ^<87>Sr/^<86>Sr revealed that the irrigation area transitioned from primary salinization formed by old seawater to secondary salinization of salt from fertilizer and irrigation water due to anthropogenic agricultural process.

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Teaching Experience (On-campus)

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Teaching Experience

  • 環境土壌学

    Institution:Ehime University

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  • 技術英語

    Institution:Ehime University

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  • 地球環境学

    Institution:Ehime University

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  • 教職物理学実験

    Institution:Ehime University

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  • 地域防災学

    Institution:Ehime University

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  • 水環境学

    Institution:Ehime University

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  • 外書購読

    Institution:Ehime University

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  • 地域環境整備学

    Institution:愛媛大学

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  • 土壌物理性実験

    Institution:Ehime University

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  • 物理学

    Institution:Ehime University

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  • 土壌物理学

    Institution:愛媛大学

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  • 応用数学

    Institution:愛媛大学

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