RESEARCH REPORT AT THE NENOTANI-GAWA RIVER IN THE OTA-GAWA RIVER BASIN DURING THE HEAVY RAIN EVENT OF JULY 2018

Abstract

 In The Misasa-gawa River (in the Ota-gawa River basin) overflowed and bank erosion etc. occurred during the heavy rain event of July 2018. In The Nenotani-gawa River (in the Ota-gawa River basin) was spared a great deal of damage by river improvement. In this paper, we report a damage and emergency restoration in the Ota-gawa River basin and examined the effect of river improvement in The Nenotani-gawa River.