Simulation of Marsh Growth Under Rising Sea Levels

by R. B. Krone, Univ of California, Davis, Davis, CA, USA,

Document Type: Proceeding Paper

Part of: Hydraulics and Hydrology in the Small Computer Age


A method for computation of the rise of a marsh surface is presented that includes the effects of tidal and sea level variations, aggregation and deposition of cohesive suspended sediments, and the density and organic matter content of the marsh soil. An effective suspended sediment concentration in the flooding waters is obtained by calibration. Measurements of historical surface elevations can be used to include the effects of subsidence and consolidation. A demonstration of the model shows that the effects of deviations in sea level can have long lasting effects on marsh elevations.

Subject Headings: Seas and oceans | Suspended sediment | Computing in civil engineering | Tides | Density (material) | Floods | Calibration | Simulation models

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