TOPOGRAPHIC VARIATIONS BY METEOROLOGICAL CHANGES IN THE SECOND INLET OF LAKE SAROMA

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  • 気象変化に伴うサロマ湖第2湖口地区周辺の地形変化特性

Abstract

<p> Lake Saroma is the largest brackish water lake in Japan. In January 2012, the second inlet of Lake Saroma had a disaster that buried the channel. In this study, waves, river sediment runoff, topographical changes, and shoreline changes were organized. It was concluded that the cause of the burial disaster in 2012 was the remarkable response of topographical changes to the large-scale flooding of the Tokoro River and eastward waves. In addition, using a 1-line model, future predictions were made assuming a scenario in which the largest river flood in history and eastward waves overlap. This indicates the danger of the environment becoming severe.</p>

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