Environmental Science
8 years ago

Exposed bedrock erosion rapidly degrading riverbeds, simulation reveals alarming consequences.

Journal of Japan Society of Civil Engineers Ser B1 (Hydraulic Engineering)
AN EXPERIMENT AND NUMERICAL SIMULATION OF SLURRY-EROSION CAUSED BY BEDLOAD ON BEDROCK
Shin Oikawa, Toshiki Iwasaki, Satomi YAMAGUCHI, Yasuyuki SHIMIZU, Ichirô KIMURA

Paper Summary

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The researchers studied how bedrock erosion is happening in the Ishikari River due to sediment movement. They conducted an experiment using a circular channel with artificial bedrock and then used a computer model to simulate the erosion process. The simulation showed patterns similar to the experiment, indicating that sediment transport is causing the bedrock to degrade.