Reproduction of sediment deposition and prediction of 137Cs concentration in the major urban rivers of Tokyo

摘要

( ) The distribution of land use types in the selected typical urban catchment of the Edo Ohori Rivers located at the perimeter of the Tokyo region. The water was supplied to the Ohori River from the Tone River during dry weather. Data are from National Digital Information (DNI). ( ) Site of the upstream end. ( ) Site of the midstream region. The photographs in ( ) were obtained from the study field.