[OP-5] 地下水/水質水文

[OP-5-02] Using sterol ratios to monitor groundwater quality and fecal pollution sources in Kumamoto city area, Japan

*李 卓霖¹、Nakagawa Kei¹、Islam M.Shahidul^1,2、Takao Yuji¹、Aihara Taito³、Hosono Takahiro³ (1. Nagasaki University、2. Department of Chemistry, Jashore University of Science and Technology, Bangladesh、3. Kumamoto University)

キーワード：Fecal pollution、Sterol ratios、Nitrate pollution