FIELD INVESTIGATION OF CHANGES OF SAGAMI RIVER MOUTH BAR

Abstract

Changes of the river mouth bar of the Sagami River caused by a flood and waves were investigated through field observations. The river mouth topography was measured in December 2002 and April 2004, and compared to analyze the impacts of a flood and waves to the river mouth. Returning process of sand carried offshore by a flood was measured on both shores of the river mouth. Dynamic process of sand movement at a river mouth was realized.