On the State of Erosion and Accumulation in the Mid-Stream Area of the Kanogawa during Flood by the Kanogawa Typhoon

Abstract

The author has made the damage state map including inundation area, direction of flow, distribution and thickness of deposits, strongly damaged villages, paddy fields, etc. in the mid-stream area of the River Kanogawa (Fig. 1), and some profiles showing changes of surface feature (Fig. 2). From his observations he has learned some important results for flood damage problems. Especially artificial relief, for example, road and canal, has an important effect upon the change of surface features and degree of damage.