Journal
JOURNAL OF HYDRAULIC ENGINEERING-ASCE
Volume 129, Issue 8, Pages 628-636Publisher
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)0733-9429(2003)129:8(628)
Keywords
marshes; hydrologic models; finite elements; long waves; coastal environment; rivers; estuaries
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The marsh porosity method, a type of thin slot wetting and drying algorithm in a two-dimensional finite element long wave hydrodynamic model, is discussed and analyzed to assess model performance. Tests, including comparisons to simple examples and theoretical calculations, examine the effects of varying the marsh porosity parameters. The findings demonstrate that the wetting and drying concept of marsh porosity, often used in finite element hydrodynamic modeling, can behave in a more complex manner than initially expected.
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