[PP-P] プロポーズドセッション：社会⽔⽂学ー社会と⽔の相互作⽤と共発展ー

[PP-P-04] A case study of irrigation water surplus and reduction of groundwater irrigation due to decrease of rice paddies

*Takashi Nakamura Nakamura¹ (1. Interdisciplinary Centre for River Basin Environment, University of Yamanashi)

Keywords:Paddy, Irrigation water management, groundwater and river water