Japan Geoscience Union Meeting 2018

Session information

[EE] Oral

A (Atmospheric and Hydrospheric Sciences) » A-HW Hydrology & Water Environment

[A-HW20] Materials transport and nutrient cycles in watersheds; Human and climate impacts

Mon. May 21, 2018 10:45 AM - 12:15 PM Convention Hall B (CH-B) (2F International Conference Hall, Makuhari Messe)

convener:Mitsuyo Saito(Graduate School of Environmental and Life Science, Okayama University), Shin-ichi Onodera(Graduate School of Integrated and Arts Sciences, Hiroshima University), Takahiro Hosono(熊本大学大学院先導機構, 共同), Adina Paytan(University of California Santa Cruz), Chairperson:Onodera Shin-ichi(Graduate School of Integrated Arts and Sciences, Hiroshima University)

This session aims to synthetize watershed sciences in order to understand dynamical processes of materials transport and nutrient cycles in watersheds from headwaters to coastal seas focusing on human and climate impacts. The session will be integrating a variety of research disciplines including limnology, ground water hydrology, coastal oceanography, meteorology, pedology, sedimentology, forestry, agriculture, fishery, social science and more. The watershed sciences also challenge us to solve environmental issues emerged in the watersheds through our profound understanding of relations between humanity and nature. For instance, on one hand, human land uses alter water resources, dynamics of sediments, nutrients and pollutants in waters and soils on watershed scales, while changing climates may alter water cycle, the frequency and intensity of materials transport and natural disaster, sometimes having catastrophic effects on the watershed systems. This session also calls for ideas on new methods for the watershed sciences, such as tracer and molecular technique, hydrological modeling, paleontological approaches, laboratory and field experiments, social-scientific evaluation of ecosystem services and social-ecological systems, and so on, in order to elucidate physical, chemical and biological mechanisms for shedding light on natural phenomena and their changes over time in complex and dynamic watershed systems. Through this session, we would like to facilitate interdisciplinary collaboration among participants to create new knowledge on watershed sciences.

11:30 AM - 11:45 AM

*Norio Tase1, Mitsuyo Saito2, Yuta Shimizu3, Kunihide Miyaoka4, Masato Fukuoka5, Shin-ichi Onodera5, Ricardo Hirata6, Fernando Saraiva6, Rafael Terada6, Ricardo Shirota6, Edson Wendland6 (1.Ibaraki University, 2.Okayama University, 3.National Agriculture and Food Research Organization, Western Region Agricultural Research Center, 4.Mie University, 5.Hiroshima University, 6.São Paulo University )

11:45 AM - 12:00 PM

*Mitsuyo Saito1, Norio Tase2, Fernando Saraiva3, Rafael Terada3, Ricardo Hirata3, Edson Wendland4, Shin-ichi Onodera5, Yusuke Tomozawa5, Masato Fukuoka5 (1.Graduate School of Environmental and Life Science, Okayama University, 2.College of Education, Ibaraki University, 3.Institute of Geoscience, University of São Paulo, 4.São Carlos School of Engineering, University of São Paulo, 5.Graduate School of Integrated Arts and Sciences, Hiroshima University)

Discussion (12:00 PM - 12:15 PM)



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