[A-HW31] Surface Water-Groundwater Interactions: Physical, Chemical, and Biological Processes

[AHW31-P04] Impact of seawater intrusion on groundwater chemistry in coastal area: A study based on water quality from observation wells and undisturbed soil core in the coastal areas of Sendai, Miyagi Prefecture

*Shiho Yabusaki¹, Naoaki Shibasaki², Keisuke Ouchi³, Daiki Hashimoto⁴ (1. Research Institute for Humanity and Nature・Faculty of Symbiotic Systems Science, Fukushima University, 2. Faculty of Symbiotic Systems Science, Fukushima University, 3. Shokengijyutsu Co., Ltd., 4. Futaba Consultant Co., Ltd.)

Keywords:coastal aquifer, undisturbed soil core, seawater intrusion, rainfall infiltration, water chemistry, stable isotopes of oxygen, hydrogen, strontium