2018.9.9-10 UTokyo Hydrosphere Group field trip 2018-09-14 Last updated : 2018-12-30 jsasaki Table of Contents We participated in a UTokyo hydrosphere group trip visiting Kashima Coast, Inbanuma Pond, Tonegawa River Weir, Hitachigawa River Gate, Mizunowato Sawara, Tonegawa River Pumping Station, and Kita-Chiba Pumping Station.