Seasonal variation in oxygen stable isotopic ratio and nitrate concentration in a mountain agricultural watershed

Daiki ARITOMI; Shin-ichi ONODERA; Mitsuyo SAITO; Yutaka MARUYAMA; Guangzhe JIN; Koki ONISHI

Presentation information

Oral

Symbol A (Atmospheric, Ocean, and Environmental Sciences) » A-HW Hydrology & Water Environment

[A-HW28_30PM2] Water and material transport and cycle in watersheds: from headwater to coastal area

Wed. Apr 30, 2014 4:15 PM - 5:45 PM 314 (3F)

Convener:*Kazuhisa Chikita(Department of Natural History Sciences, Faculty of Science, Hokkaido University), Tomohisa Irino(Faculty of Environmental Earth Science, Hokkaido University), Shin-ichi Onodera(Graduate School of Integrated and Arts Sciences, Hiroshima University), Shinji Nakaya(Department of Civil Engineering, Faculty of Engineering, Shinshu University), Masahiro Kobayashi(Forestry and Forest Products Research Institute), Mitsuyo Saito(Graduate School of Environmental and Life Science, Okayama University), Seiko Yoshikawa(Narional Institute of Agro-Environmental Sciences), Noboru Okuda(Center for Ecological Research, Kyoto University), Chair:Shin-ichi Onodera(Graduate School of Integrated and Arts Sciences, Hiroshima University)

5:15 PM - 5:30 PM

[AHW28-P03_PG] Seasonal variation in oxygen stable isotopic ratio and nitrate concentration in a mountain agricultural watershed

3-min talk in an oral session

*Daiki ARITOMI¹, Shin-ichi ONODERA¹, Mitsuyo SAITO², Yutaka MARUYAMA¹, Guangzhe JIN¹, Koki ONISHI³ (1.Hiroshima University, 2.Okayama University, 3.Fukken Co., Ltd.)

We aimed to examine the groundwater flow and seasonal variation of NO3--N in coastal aquifer of a granite catchment considering the contribution of bedrock groundwater and denitrification processes.