寒冷地河川における水深上昇を考慮した解氷時期推定手法の開発

DOI 機関リポジトリ 被引用文献1件

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  • DEVELOPMENT OF BREAK-UP PERIOD ESTIMATION METHOD IN ICE-COVERED RIVERS

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It is important to estimate the timing of the ice jam before it occurs. This study's aim is the development of break-up period estimation method that uses easily available meteorological data as an input value, focusing on the break-up that occurs before the ice jam phenomenon. The break-up phenomenon was newly summarized based on the field observation. We constructed a computational model that reproduces the phenomenon. This means that the temperature rises and the snow melts, and this snowmelt water and rainwater flow into the river, increasing the water depth. The peak value of the calculated water depth appeared before the ice jam. This result indicates that countermeasures can be prepared before ice jam occurs. If you enter the predicted value of the weather, you can estimate in advance.

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