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NAKAYAMA Tadanobu

NAKAYAMA Tadanobu
Researcher Name
NAKAYAMA Tadanobu
Div (Section) name/title
Regional Environment Conservation Division（Environment Management and Technology Section）／Prime Senior Researcher
Research Subject
Ecosystem assessment by using integrated process-based model
Degree(s)
Ph.D.(Engineering)
Professional Qualification(s)
Civil Engineering,Physics
Environmental Speciality Field
ecohydrology,environmental hydraulics,biogeochemistry
Keyword(s)
ecohydrology model,turbulence model,ecosystem assessment,water management,interfacial phenomenon,carbon cycle model,plastic cycle
Brief Description of Research
　Environmental resources in Asia are being depleted and degraded, and are deteriorating rapidly because of various human activities, and it is therefore important to assess and predict ecosystem functions quantitatively and make scientifically-sound policy recommendations for sustainable development. Accordingly, it can be a very powerful tool to develop and apply an integrated water-material-energy cycle model with an interface between environmental-resource database composed of ecosystems in air, forest, farm, urban, river, lake, groundwater, and sea areas. With a focus on East Asian catchments of various scales, I have been developing methods for assessing and predicting the changes in ecosystem functions with the changes in water, thermal, and material cycles by integrating ground-based observation, GIS data, satellite data, and distributed process models (NICE: National Integrated Catchment-based Eco-hydrology model).
　NICE comprises complex sub-compartments such as surface hydrology of hillslope and stream flows, a land-surface model including urban and crop processes, a groundwater model, a mass transport model (sediment, carbon, nitrogen, and phosphorus), a vegetation succession mode, and a regional atmospheric model,, etc. Now NICE is extending to couple with plastic debris (engineered materials) model, and to apply to all the first-class river basins in entire Japan (109 river basins) and the global scale. NICE has been applied to various basins/catchments such as Japanese catchments (Tokyo Metropolitan area, Lake Kasumigaura, and Kushiro Wetland), Yangtze and Yellow River Basins in China, Mekong River Basin in Southeast Asia, West Siberia Wetland (Ob and Yenisei River Basins), Mongolia, and recently up-scaling to the global/continental scales in order to evaluate the hydrologic cycle and the associated ecosystem assessment.
　In the future, I am going to develop vegetation growth and urban models, and clarify the water, thermal, and material cycles in catchment ecosystems by integrating the terrestrial, atmospheric, and oceanic models with upscaling and downscaling procedures (including integration with turbulence models). In Asia, the impact of urban regions on the water, thermal, and material cycles in catchments has been increasing on an annual basis, and it is necessary to aim for economic development in accordance with nature. I will also work on assessment and predictions using a model simulation with technological and political inventories and scenarios.
　Please read the following articles for more details of the process-based NICE model development.

CGER'S SUPERCOMPUTER MONOGRAGH REPORT Vol.11 (Part I), NIES, 100p.
-Governing Equation of NICE-
　 http://www.cger.nies.go.jp/publications/report/i063/I063e
　Part I describes the original NICE, which includes the interaction between surface water and groundwater and assimilates land-surface processes describing vegetation phenology with satellite data. Then, this volume describes NICE-AGR, which couples with agricultural models;
Nakayama, T., Watanabe, M. 2004. Simulation of drying phenomena associated with vegetation change caused by invasion of alder (Alnus japonica) in Kushiro Mire. Water Resour. Res. 40(8), W08402.
Nakayama, T., Watanabe, M. 2006. Simulation of spring snowmelt runoff by considering micro-topography and phase changes in soil layer. Hydrol. Earth Syst. Sci. Discuss. 3, 2101-2144.
Nakayama, T., et al. 2006. Simulation of groundwater dynamics in North China Plain by coupled hydrology and agricultural models. Hydrolol. Process. 20(16), 3441-3466.
NIES News Vol.23.3 (in Japanese)
-Simulation of catchment ecosystem by using process-based model; Assessment of recovery of Kushiro Wetland ecosystem-
　 http://www.nies.go.jp/kanko/news/23/23-3/23-3-03.html
　The following book is also helpful.
Nakayama, T. 2009. Simulation of Ecosystem Degradation and its Application for Effective Policy-Making in Regional Scale. In River Pollution Research Progress, Mattia N. Gallo and Marco H. Ferrari (eds), Nova Science Publishers, Inc., pp.1-89 (Chapter 1).

CGER'S SUPERCOMPUTER MONOGRAGH REPORT Vol.14 (Part II), NIES, 91p.
-For Nature Restoration and Urban Regeneration-
　 http://www.cger.nies.go.jp/publications/report/i083/i083_e
　Part II describes NICE-LAKE coupling with lake model, NICE-MASS coupling with sediment and nutrient transport model, and NICE-VEG coupling with vegetation succession model, respectively;
Nakayama, T., et al. 2007. Effect of underground urban structures on eutrophic coastal environment. Sci. Total Environ. 373(1), 270-288.
Nakayama, T. 2008a. Factors controlling vegetation succession in Kushiro Mire. Ecol. Model. 215, 225-236.
Nakayama, T. 2008b. Shrinkage of shrub forest and recovery of mire ecosystem by river restoration in northern Japan. Forest Ecol. Manag. 256, 1927-1938.
Nakayama, T., Watanabe, M. 2008a. Missing role of groundwater in water and nutrient cycles in the shallow eutrophic Lake Kasumigaura, Japan. Hydrol. Process. 22, 1150-1172.
Nakayama, T. 2010. Simulation of hydrologic and geomorphic changes affecting a shrinking mire. River Res. Applic. 26(3), 305-321.
Nakayama, T. 2012a. Feedback and regime shift of mire ecosystem in northern Japan. Hydrol. Process. 26(16), 2455-2469.
Nakayama, T. 2013. For improvement in understanding eco-hydrological processes in mire. Ecohydrol. Hydrobiol. 13, 62-72.
　The following book is also helpful.
Nakayama, T. 2014. Hydrology–ecology interactions. In Handbook of Engineering Hydrology - Vol. 1: Fundamentals and Applications, Saeid Eslamian (ed), Taylor and Francis, pp.329-344 (Chapter 16).

CGER'S SUPERCOMPUTER MONOGRAGH REPORT Vol.18 (Part III), NIES, 98p.
-Application of NICE to Urban Areas in Japan and China-
　 http://www.cger.nies.go.jp/publications/report/i103/en/
　Part III describes NICE-URBAN, which couples with urban canopy model and regional atmospheric model;
Nakayama, T., Fujita, T. 2010. Cooling effect of water-holding pavements made of new materials on water and heat budgets in urban areas. Landscape Urban Plan. 96, 57-67.
Nakayama, T., et al. 2010. Simulation of water resource and its relation to urban activity in Dalian City, Northern China. Global Planet. Change 73, 172-185.
Nakayama, T. 2011a. Simulation of complicated and diverse water system accompanied by human intervention in the North China Plain. Hydrol. Process. 25, 2679-2693.
Nakayama, T., Hashimoto, S. 2011. Analysis of the ability of water resources to reduce the urban heat island in the Tokyo megalopolis. Environ. Pollut. 159, 2164-2173.
Nakayama, T. 2012b. Visualization of missing role of hydrothermal interactions in Japanese megalopolis for win-win solution. Water Sci. Technol. 66(2), 409-414.
Nakayama, T., et al. 2012. Multi-scaled analysis of hydrothermal dynamics in Japanese megalopolis by using integrated approach. Hydrol. Process. 26(16), 2431-2444.
Nakayama, T. 2011. Chemical Engineering of Japan, 75, 789-791 (in Japanese).
Nakayama, T. 2011. Chemical Information and Computer Sciences, 29(4), 63-65 (in Japanese).

CGER'S SUPERCOMPUTER MONOGRAGH REPORT Vol.20 (Part IV), NIES, 102p.
-Continental scale in Changjiang and Yellow River Basins-
　 http://www.cger.nies.go.jp/publications/report/i114/en/
　Part IV describes the application of NICE to Changjiang and Yellow River basins, and the prediction of ecosystem change after constructions of Three Gorges Dam (TGD) and South-to-North Water Transfer Project (SNWTP);
Nakayama, T., Watanabe, M. 2008b. Role of flood storage ability of lakes in the Changjiang River catchment. Global Planet. Change 63, 9-22.
Nakayama, T. 2011b. Simulation of the effect of irrigation on the hydrologic cycle in the highly cultivated Yellow River Basin. Agr. Forest Meteorol. 151, 314-327.
Nakayama, T. 2012c. Impact of anthropogenic activity on eco-hydrological process in continental scales. Proc. Environ. Sci. 13, 87-94.
Nakayama, T., Shankman, D. 2013a. Impact of the Three-Gorges Dam and water transfer project on Changjiang floods. Global Planet. Change 100, 38-50.
Nakayama, T., Shankman, D. 2013b. Evaluation of uneven water resource and relation between anthropogenic water withdrawal and ecosystem degradation in Changjiang and Yellow River basins. Hydrol. Process. 27(23), 3350-3362.
CGER News Vol.24.9 (in Japanese)
-Evaluation of uneven water resource and relation between anthropogenic water withdrawal and ecosystem degradation in Changjiang and Yellow River basins-
　 http://www.cger.nies.go.jp/cgernews/201312/277007.html
　The following book is also helpful.
Nakayama, T. 2015. Integrated assessment system using process-based eco-hydrology model for adaptation strategy and effective water resources management. In Remote Sensing of the Terrestrial Water Cycle (Geophysical Monograph Series 206), Venkat Lakshmi (ed), pp.521-535 (Chapter 33), doi:10.1002/9781118872086.ch33, AGU.

CGER'S SUPERCOMPUTER MONOGRAGH REPORT Vol.29 (Part VI), NIES, 95p.
-Application of NICE to arid and semi-arid regions of Mongolia-
　 http://www.cger.nies.go.jp/publications/report/i167/en/
　Part VI describes the application of NICE to entire Mongolia, and the evaluation of anthropogenic activity on hydrologic change there. In addition, as the extension of the application of NICE to Changjiang and Yellow River basins (described in the above), NICE was further extended to incorporate coordinate transformation from rectangular coordinate to longitude–latitude coordinate system applicable to continental scale and the higher latitude region. NICE was also combined with the inverse model to refine the inventory data associated with human activities. This revised NICE was applied to West Siberia, Mongolia, and Mekong River basin to evaluate the difference of hydrologic cycle between humid and arid areas, and between low and high latitudes.
Nakayama, T., Maksyutov, S. 2018. Application of process-based eco-hydrological model to broader northern Eurasia wetlands through coordinate transformation. Ecohydrol. Hydrobiol. 18, 269-277.
Nakayama, T., et al. 2021a. Evaluation of spatio-temporal variations in water availability using a process-based eco-hydrology model in arid and semi-arid regions of Mongolia. Ecol. Model. 440, 109404.
Nakayama, T., et al. 2021b. Sensitivity analysis and parameter estimation of anthropogenic water uses for quantifying relation between groundwater overuse and water stress in Mongolia. Ecohydrol. Hydrobiol. 21(3), 490-500.
Nakayama, T., et al. 2023. Impact of various anthropogenic disturbances on water availability in the entire Mongolian basins towards effective utilization of water resources. Ecohydrol. Hydrobiol. 23(4), 542-553.
Nakayama, T. 2025. Grazing impacts on Mongolian grasslands assessed by an eco-hydrology model. Environ. Sci. Pollut. Res.
CGER News Vol.32.1 (in Japanese)
-Evaluation of anthropogenic activity on hydrologic alteration in arid and semi-arid regions of Mongolia-
　 http://www.cger.nies.go.jp/cgernews/202104/365005.html
NIES Research Project Report, No.139, pp.16-31 (in Japanese)
-Evaluation of the pasture carrying capacity and its vulnerability based on water resources in arid and semi-arid regions-
　 https://www.nies.go.jp/kanko/tokubetu/setsumei/sr-139-2021b.html
NIES Research Booklet No.83 (in Japanese)
-Towards symbiosis with grasslands: Vulnerability assessment of pastures in Mongolia-
　 https://www.nies.go.jp/kanko/kankyogi/83/02-03.html
　 https://www.youtube.com/watch?v=idby7Diuluw

CGER'S SUPERCOMPUTER MONOGRAGH REPORT Vol.26 (Part V), NIES, 122p.
-Evaluation of Missing Role of Inland Water in Global Biogeochemical Cycle-
　 http://www.cger.nies.go.jp/publications/report/i148/en/
　Recently, the author developed an advanced model coupling eco-hydrology and biogeochemical cycle (NICE-BGC). This new model incorporates complex coupling of hydrologic-carbon cycle in terrestrial-aquatic linkages and interplay between inorganic and organic carbon during the whole process of carbon cycling. The model result shows carbon flux budgets in major rivers, both horizontal transports and vertical fluxes. The result also implies difference between inverse techniques and budget estimates can be explained to some extent by net source from inland water;
Nakayama, T. 2016. New perspective for eco-hydrology model to constrain missing role of inland waters on boundless biogeochemical cycle in terrestrial-aquatic continuum. Ecohydrol. Hydrobiol. 16, 138-148.
Nakayama, T. 2017a. Development of an advanced eco-hydrologic and biogeochemical coupling model aimed at clarifying the missing role of inland water in the global biogeochemical cycle. J. Geophys. Res. Biogeosci. 122, 966-988.
Nakayama, T. 2017b. Scaled-dependence and seasonal variations of carbon cycle through development of an advanced eco-hydrologic and biogeochemical coupling model. Ecol. Model. 356, 151-161.
Nakayama, T. 2017c. Biogeochemical contrast between different latitudes and the effect of human activity on spatio-temporal carbon cycle change in Asian river systems. Biogeosciences Discuss., doi:10.5194/bg-2017-447.
Nakayama, T., Pelletier, G.J. 2018. Impact of global major reservoirs on carbon cycle changes by using an advanced eco-hydrologic and biogeochemical coupling model. Ecol. Model. 387, 172-186.
Nakayama, T. 2018. Journal of Groundwater Hydrology, 60(2), 143-156 (in Japanese).
Nakayama, T. 2020. Inter-annual simulation of global carbon cycle variations in a terrestrial-aquatic continuum. Hydrol. Process. 34, 662-678.
Nakayama, T. 2022. Impact of anthropogenic disturbances on carbon cycle changes in terrestrial-aquatic-estuarine continuum by using an advanced process-based model. Hydrol. Process. 36(2), e14471.
Nakayama, T. 2023. Evaluation of global biogeochemical cycle in lotic and lentic waters by developing an advanced eco-hydrologic and biogeochemical coupling model. Ecohydrology, 17(4), e2555.
CGER News Vol.28.5 (in Japanese)
-Development of advanced eco-hydrologic and biogeochemical coupling model; Part 1 Re-evaluation of missing role of inland water on global carbon cycle-
　 http://www.cger.nies.go.jp/cgernews/201708/320010.html
CGER News Vol.28.5 (in Japanese)
-Development of advanced eco-hydrologic and biogeochemical coupling model; Part 2 Scaled-dependence and seasonal variations of carbon cycle-
　 http://www.cger.nies.go.jp/cgernews/201708/320011.html
CGER News Vol.29.10 (in Japanese)
-Development of advanced eco-hydrologic and biogeochemical coupling model; Part 3 Impact of global major reservoirs on carbon cycle changes-
　 http://www.cger.nies.go.jp/cgernews/201901/337009.html
CGER News Vol.31.1 (in Japanese)
-Development of advanced eco-hydrologic and biogeochemical coupling model; Part 4 Inter-annual variations of global carbon cycle in a terrestrial-aquatic continuum-
　 http://www.cger.nies.go.jp/cgernews/202004/352008.html
　The following book is also helpful.
Nakayama, T. 2021. Recent progress of an advanced eco-hydrologic and biogeochemical coupling model to quantify biogeochemical cycle in inland water. In Handbook of Water Harvesting and Conservation, Saeid Eslamian (ed), John Wiley & Sons, Inc., pp.67-80 (Chapter 5).

CGER'S SUPERCOMPUTER MONOGRAGH REPORT Vol.30 (Part VII), NIES, 111p.
-Evaluation of Flux and Fate of Plastics by Coupling NICE with Plastic Debris Model-
　 http://www.cger.nies.go.jp/publications/report/i169/en/
　Environmental contamination by plastics has been receiving considerable attention from scientists, policy makers and the public during the last few decades. Recently, NICE was further coupled with plastic debris model in regional and continental scales. This new model could evaluate the effect of mismanaged plastic waste (MPW) and point sources (tyres, personal care products, dust, and laundry) on spatio-temporal dynamics of macro- and micro-plastics not only in regional scale (for the whole of Japan) but also in continental/global scales. The results help to quantify the impacts of plastic waste on biosphere, and may aid the development of solutions and measures to reduce plastic input to the ocean.
Nakayama, T., Osako, M. 2023a. Development of a process-based eco-hydrology model for evaluating the spatio-temporal dynamics of macro- and micro-plastics for the whole of Japan. Ecol. Model. 476, 110243.
Nakayama, T., Osako, M. 2023b. The flux and fate of plastic in the world's major rivers: Modeling spatial and temporal variability. Global Planet. Change 221, 104037.
Nakayama, T., Osako, M. 2024. Plastic trade-off: Impact of export and import of waste plastic on plastic dynamics in Asian region. Ecol. Model. 489, 110624.
Nakayama, T. 2024. Evaluation of flux and fate of plastic in terrestrial-aquatic-estuarine continuum by using an advanced process-based model. Ecohydrology 17(6), e2678.
Nakayama, T. 2024. Impact of global major reservoirs and lakes on plastic dynamics by using a process-based eco-hydrology model. Lake Reserv. Manag. 29, e12463.
Nakayama, T. 2025. Impact of settling and resuspension on plastic dynamics during extreme flow and their seasonality in global major rivers. Hydrol. Process. 39, e70072.
Marine Plastic Litter Academic Symposium (in Japanese)
-Assessment of plastic runoff dynamics in major river basins across Japan and globally through the development of a process-based NICE model-
　 https://www.env.go.jp/content/000205988.pdf

CGER News Vol.22.8 (in Japanese)
-What is necessary for ecosystem model in the future ?-
　 http://www.cger.nies.go.jp/cgernews/201111/252005.html
CGER News Vol.23.1 (in Japanese)
-Toward effective application of remote sensing to evaluate hydrologic cycle-
　 http://www.cger.nies.go.jp/cgernews/201204/257002.html
CGER News Vol.25.8 (in Japanese)
-Role of wetland from viewpoint of water resources; Case study in Danube Delta-
　 http://www.cger.nies.go.jp/cgernews/201411/288004.html
CGER News Vol.27.5 (in Japanese)
-Recent development of ecosystem model; Looking back on past five years-
　 http://www.cger.nies.go.jp/cgernews/201608/308001.html
CGER News Vol.30.12 (in Japanese)
-Flow dynamics visualized by simulation; Towards application of ecosystem model to global scale-
　 http://www.cger.nies.go.jp/cgernews/202003/351005.html
CGER Reports No.163 (in Japanese)
-Computational environmental research; Possibilities expanded by simulation-
　 https://cger.nies.go.jp/publications/report/i163/
Career
Since Apr.2024; Prime Senior Researcher, Regional Environment Conservation Domain, NIES
Apr.2021 - Mar.2024; Chief Senior Researcher, Regional Environment Conservation Domain, NIES
Apr.2011 - Mar.2021; Senior Researcher, Center for Global Environmental Research, NIES
Apr.2009 - Mar.2010; Visiting Scientist, Centre for Ecology & Hydrology, United Kingdom
Apr.2006 - Mar.2011; Senior Researcher, Asian Environment Research Group, NIES
Apr.2001 - Mar.2006; Researcher, Watershed Environment and Management Research Project, NIES (Since Apr. 2004: Senior Researcher)
Apr.2000 - Mar.2001; Researcher, Water and Soil Environment Division, NIES
Apr.1997 - Mar.2000; D.En., Department of Global Environment Engineering, Graduate School of Engineering, Kyoto University, Dissertation: "Turbulence and Coherent Structures across Air-Water Interface and Relationship with Gas Transfer"
https://irdb.nii.ac.jp/en/01221/0000119391
Apr.1995 - Mar.1997; M.En., Department of Global Environment Engineering, Graduate School of Engineering, Kyoto University
Mar.1995; Graduated from Undergraduate School of Civil Engineering, Faculty of Engineering, Kyoto University

He is Editorial Board of two journals;
"Ecohydrology", Wiley-Blackwell,
http://www.interscience.wiley.com/journal/eco
"Ecohydrology & Hydrobiology", Elsevier,
https://www.journals.elsevier.com/ecohydrology-and-hydrobiology
These two journals aim to improve understanding of processes at the interface between ecology and hydrology and to increase interdisciplinary insights of their interactions and associated feedbacks.
URL
https://orcid.org/0000-0002-8233-034X
https://www.webofscience.com/wos/author/record/938567
https://researchmap.jp/read0079618/?lang=english
Membership of Academic Society
Japan Society of Civil Engineers (JSCE),Japan Society of Hydrology & Water Resources (JSHWR) ,Centre for Environmental Information Science,American Geophysical Union
Research Subject
  • Fiscal Year: 2024
    • 26820 : Chemical management for material flows transition
    • 26837 : Proposal and evaluation of environmentally efficient technologies and systems in collaboration with local communities
    • 26849 : Research on Advancement of Climate Change Impact Assessment Methodology
    • 26864 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
    • 26918 : Effects of water discharge management associated with power supply development on flood frequency and nutrient distribution in mountainous wetlands
    • 27086 : Studies on the integrated assessment system for sustainable plastic management focusing on the 3R plus concept and the marine plastic litter control
    • 27100 : Intellectual research infrastructure development：Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
  • Fiscal Year: 2023
    • 26413 : Chemical management for material flows transition
    • 26426 : Proposal and evaluation of environmentally efficient technologies and systems in collaboration with local communities
    • 26436 : Research on Advancement of Climate Change Impact Assessment Methodology
    • 26453 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
    • 26547 : Studies on the integrated assessment system for sustainable plastic management focusing on the 3R plus concept and the marine plastic litter control
    • 26549 : Effects of water discharge management associated with power supply development on flood frequency and nutrient distribution in mountainous wetlands
    • 26736 : Intellectual research infrastructure development：Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
  • Fiscal Year: 2022
    • 25970 : Chemical management for material flows transition
    • 26002 : Research on Advancement of Climate Change Impact Assessment Methodology
    • 26010 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
    • 26197 : Studies on the integrated assessment system for sustainable plastic management focusing on the 3R plus concept and the marine plastic litter control
    • 26293 : Intellectual research infrastructure development：Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
  • Fiscal Year: 2021
    • 25510 : Chemical management for material flows transition
    • 25536 : Research on Advancement of Climate Change Impact Assessment Methodology
    • 25674 : Intellectual research infrastructure development：Systematic monitoring, development of information on impact prediction and adaptation, and development of tools in the field of climate change adaptation
    • 25713 : Regional Environment Conservation Domain: Foresight and Advanced Basic Research
    • 25725 : Studies on the integrated assessment system for sustainable plastic management focusing on the 3R plus concept and the marine plastic litter control
  • Fiscal Year: 2020
    • 25128 : Study on Multi-scale Evaluation System for GHG Variation and Mitigation
    • 25270 : Estimation of Relation between Hydrologic Extreme and Carbon Cycle Change
    • 25271 : Re-evaluation of Impact of Anthropogenic Activities on Ecosystem Function
    • 25302 : Evaluation of the pasture carrying capacity and its vulnerability based on water resources in arid and semi-arid regions
  • Fiscal Year: 2019
    • 24708 : Study on Multi-scale Evaluation System for GHG Variation and Mitigation
    • 24921 : Re-evaluation of Impact of Anthropogenic Activities on Ecosystem Function
    • 24922 : Estimation of Relation between Hydrologic Extreme and Carbon Cycle Change
    • 25062 : Evaluation of the pasture carrying capacity and its vulnerability based on water resources in arid and semi-arid regions
  • Fiscal Year: 2018
    • 24291 : Study on multi-scale evaluation system for GHG variation and mitigation
    • 24457 : Evaluation of the pasture carrying capacity and its vulnerability based on water resources in arid and semi-arid regions
    • 24464 : Re-evaluation of impact of anthropogenic activities on ecosystem function
    • 24465 : Estimation of relation between hydrologic extreme and carbon cycle change
  • Fiscal Year: 2017
    • 23837 : Study on multi-scale evaluation system for GHG variation and mitigation
    • 23920 : Re-evaluation of impact of anthropogenic activities on ecosystem function
    • 23921 : Estimation of relation between hydrologic extreme and carbon cycle change
  • Fiscal Year: 2016
    • 23399 : Study on multi-scale evaluation system for GHG variation and mitigation
    • 23674 : Re-evaluation of impact of anthropogenic activities on ecosystem function
    • 23676 : Estimation of relation between hydrologic extreme and carbon cycle change
  • Fiscal Year: 2015
    • 22992 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
    • 23012 : Development of strategic environmental assessment technologies for nature restoration
    • 23142 : Ecosystem assessment through improvement in biogeochemical cycle model
    • 23143 : Integrated approach toward eco-conscious society by meta-ecosystem analysis
    • 23144 : Feedback mechanism between climate change and hydrologic cycle
    • 23314 : Study on quantitative evaluation of a black-box-type autochthonous loading in lake environments−Benthic fluxes from sediments to the water column
  • Fiscal Year: 2014
    • 22580 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
    • 22600 : Development of strategic environmental assessment technologies for nature restoration
    • 22699 : Ecosystem assessment through improvement in biogeochemical cycle model
    • 22700 : Integrated approach toward eco-conscious society by meta-ecosystem analysis
    • 22701 : Feedback mechanism between climate change and hydrologic cycle
    • 22754 : Study on quantitative evaluation of a black-box-type autochthonous loading in lake environments−Benthic fluxes from sediments to the water column
  • Fiscal Year: 2013
    • 22164 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
    • 22293 : Study on quantitative evaluation of a black-box-type autochthonous loading in lake environments−Benthic fluxes from sediments to the water column
    • 22369 : Ecosystem assessment through improvement in biogeochemical cycle model
    • 22370 : Feedback mechanism between climate change and hydrologic cycle
    • 22371 : Integrated approach toward eco-conscious society by meta-ecosystem analysis
  • Fiscal Year: 2012
    • 21735 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
    • 22013 : Ecosystem assessment through improvement in biogeochemical cycle model
    • 22014 : Integrated approach toward eco-conscious society by meta-ecosystem analysis
    • 22015 : Feedback mechanism between climate change and hydrologic cycle
    • 22138 : Development of GHG observation by GOSAT and its data analysis
  • Fiscal Year: 2011
    • 21284 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
    • 21559 : Ecosystem assessment through improvement in biogeochemical cycle model
    • 21561 : Integrated approach toward eco-conscious society by meta-ecosystem analysis
    • 21563 : Feedback mechanism between climate change and hydrologic cycle
    • 21712 : Development of the systems for evaluating regional water and material cycles in East Asia
    • 21724 : Research and Development for measurement technique of CO2 sink and emission by forest area
  • Fiscal Year: 2010
    • 21078 : Integrative Environmental Planning and Evaluation System to Design Environmental Policy and Technology Scenarios for Asian Metropolitan Cities
    • 21163 : Development of the systems for evaluating regional water and material cycles in East Asia
    • 21165 : Establishment of Early Detection Network of the Global Warming Impacts
  • Fiscal Year: 2009
    • 20591 : Strategic policy scenario design for sustainable urban and industrial system based on the integrated environmental flux assessment for water, resource and energy circulation
    • 20593 : Integrative Environmental Planning and Evaluation System to Design Environmental Policy and Technology Scenarios for Asian Metropolitan Cities
    • 20599 : Development of the systems for evaluating regional water and material cycles in East Asia
    • 20600 : Establishment of Early Detection Network of the Global Warming Impacts
  • Fiscal Year: 2008
    • 20231 : Development of the systems for evaluating regional water and material cycles in East Asia
    • 20232 : Establishment of Early Detection Network of the Global Warming Impacts
    • 20238 : Development of Environmental Management Technology for Sustainable utilization of Biomass.
    • 20262 : Strategic policy scenario design for sustainable urban and industrial system based on the integrated environmental flux assessment for water, resource and energy circulation
    • 20265 : Integrative Environmental Planning and Evaluation System to Design Environmental Policy and Technology Scenarios for Asian Metropolitan Cities
    • 20266 : Urban Environment and Energy Management System
  • Fiscal Year: 2007
    • 10545 : Establishment of Early Detection Network of the Global Warming Impacts
    • 10587 : Development of the systems for evaluating regional water and material cycles in East Asia
  • Fiscal Year: 2006
    • 10284 : Establishment of Early Detection Network of the Global Warming Impacts
    • 10320 : Development of the systems for evaluating regional water and material cycles in East Asia
  • Fiscal Year: 2005
    • 9329 : Study on mathematical model of environmental management of river catchment
    • 9351 : Research project on integrated environmental management aided by modelling of eco-system functions through the basin in East Asia(2) Research on systems analysis on watershed environmens and its application
    • 9597 : The study on Environmental Monitoring and Environmental Database in urban and basin scale
  • Fiscal Year: 2004
    • 8936 : Study on mathematical model of environmental management of river catchment
    • 8987 : Research project on integrated environmental management aided by modelling of eco-system functions through the basin in East Asia(2) Research on systems analysis on watershed environmens and its application
    • 9087 : Lumping of long-term hydrological model and relation to masstransfer
    • 9124 : Possibility of recovery of wetland ecosystem by remeandering of river channel flowing into Kushiro Wetland
  • Fiscal Year: 2003
    • 8600 : Study on mathematical model of environmental management of river catchment
    • 8704 : Research project on integrated environmental management aided by modelling of eco-system functions through the basin in East Asia(2) Research on systems analysis on watershed environmens and its application
    • 8807 : Lumping of long-term hydrological model and relation to masstransfer
    • 8871 : Possibility of recovery of wetland ecosystem by remeandering of river channel flowing into Kushiro Wetland
  • Fiscal Year: 2002
    • 8307 : Study on mathematical model of environmental management of river catchment
    • 8487 : Research project on integrated environmental management aided by modelling of eco-system functions through the basin in East Asia (2) Research on systems analysis on watershed environmens and its application
  • Fiscal Year: 2001
    • 8003 : Study on mathematical model of environmental management of river catchment
    • 8260 : Research project on integrated environmental management aided by modelling of eco-system functions through the basin in East Asia<br>(2) Research on systems analysis on watershed environmens and its application
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Research Result (Publication)
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    Presenter : Nakayama T.
    Title : , Development of process-based NICE model and simulation of ecosystem dynamics in the catchment of East Asia (Part VII) (2024)
  • −
    Presenter : Nakayama T.
    Title : , Development of process-based NICE model and simulation of ecosystem dynamics in the catchment of East Asia (Part VI) (2023)
  • Recent progress of an advanced eco-hydrologic and biogeochemical coupling model to quantify biogeochemical cycle in inland water
    Presenter : Nakayama T.
    Title : , Handbook of Water Harvesting and Conservation (2021)
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    Presenter : Nakayama T.
    Title : , Development of process-based NICE model and simulation of ecosystem dynamics in the catchment of East Asia (Part V) (2019)
  • Impact of over-exploitation of water resources on eco-hydrological change in China (Chap.22)
    Presenter : Nakayama T.
    Title : , Handbook of Drought and Water Scarcity (2017)
  • Integrated assessment system using process-based eco-hydrology model for adaptation strategy and effective water resources management
    Presenter : Nakayama T.
    Title : , Remote Sensing of the Terrestrial Water Cycle (2015)
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    Presenter : Nakayama T.
    Title : , Development of process-based NICE model and simulation of ecosystem dynamics in the catchment of East Asia (Part IV) (2014)
  • Hydrology-ecology interactions
    Presenter : Nakayama T.
    Title : , Handbook of Engineering Hydrology - Vol. 1: Fundamentals and Applications (2014)
  • Prediction of effect of huge structures on eco-hydrological changes in Changjiang Basin
    Presenter : Nakayama T., Shankman D.
    Title : , Floods: From Risk to Opportunity (2013)
  • Effect of evapotranspiration on hydrothermal changes in regional scale
    Presenter : Nakayama T.
    Title : , Evapotranspiration - An Overview (2013)
  • Impact of irrigation on hydrologic change in highly cultivated basin
    Presenter : Nakayama T.
    Title : , Evapotranspiration - Remote Sensing and Modeling (2012)
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    Presenter : Nakayama T.
    Title : , Development of process-based NICE model and simulation of ecosystem dynamics in the catchment of East Asia (Part III) (2012)
  • Multi-level evaluation of hydrologic cycle in the catchment including shallow eutrophic lake
    Presenter : Nakayama T.
    Title : , Advances in Environmental Research (2011)
  • Relation between river management and economic growth in urban regions
    Presenter : Nakayama T., Sun Y., Geng Y.
    Title : , River Ecosystems: Dynamics, Management and Conservation (2011)
  • Impact of water degradation on ecosystem change and adaptation strategy for sustainable development
    Presenter : Nakayama T.
    Title : , Water and Society (2011)
  • Evaluation of flood storage ability of dongting and poyang lakes in yangtze river by using process-based model
    Presenter : Nakayama T.
    Title : , River Deltas: Types, Structures and Ecology (2010)
  • Chapter 1: Simulation of ecosystem degradation and its application for effective Policy-Making in regional scale
    Presenter : Nakayama T.
    Title : , River Pollut.Res.Prog. (2009)
  • Evaluation of intertwined relations between water stress and crop productivity in grain-cropping plain area by using process-based model
    Presenter : Nakayama T.
    Title : , Agricultural runoff, coastal engineering and flooding (2009)
  • Surface-groundwater interaction and its effect on carbon cycle in terrestrial-aquatic continuum
    Presenter : Nakayama T., Maksyutov S.
    Title : , Proc. of 2nd International Conference on Water Resources and Wetlands (2014)
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