Determination of timescales of nitrate contamination by groundwater age models in a complex aquifer system

Eun-Hee Koh, Seoul National University, Seoul, Korea, Republic of (South), Eunhee Lee, Korea Institute of Geoscience & Mineral Research, Daejeon, Korea, Republic of (South), Dugin Kaown, Seoul Nation Univ, Seoul, Korea, Republic of (South), Kang-Kun Lee, Seoul National University, Seoul, South Korea and Christopher T Green, US Geological Survey, Menlo Park, CA, United States