Abstract
We have analyzed the dynamics of water, which is driven by sea water intrusion and wind, and the dynamics of sediment considering re-suspension of bottom sediments caused by wind waves in estuarine lake by a developed numerical model.Using this model, we have evaluated the potential habitat for Corbicula Japonica based on the following three points in Lake Jusan, such as 1) Retention time of salt water 2) Time-space variations of particle size distribution of bottom sediments and 3) movement of larvae of Corbicula Japonica.Simulation results indicated that area of which bottom elevation is shallower than T.P.-1.5m is the potential habitat in terms of suitable salinity and grain size of bottom sediments. Dynamics of water affects the success of settlement of larvae onto suitable habitat.We have evaluated important habitat for Corbicula Japonica in Lake Jusan based on above three points.
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Schedule a callMore From: Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
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