Journal
COMPUTERS & GEOSCIENCES
Volume 58, Issue -, Pages 54-61Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cageo.2013.05.004
Keywords
Wetting and drying; ROMS; Cell-face blocking
Funding
- National Science Foundation, Division of Industrial Innovation and Partnerships (IIP) under the 3470 Z. Defne et al./Renewable Energy 36 (2011) 3461e3471 Partnerships for Innovation Program [IIP- 0332613]
- Strategic Energy Institute at Georgia Institute of Technology via a Creating Energy Options grant
- 104B Georgia Water Resources Institute Funding Program
- Department of Energy, Wind and Hydropower Technologies Program [DE-FG36-08GO18174]
- state of Georgia
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The processes of wetting and drying have many important physical and biological impacts on shallow water systems. Inundation and dewatering effects on coastal mud flats and beaches occur on various time scales ranging from storm surge, periodic rise and fall of the tide, to infragravity wave motions. To correctly simulate these physical processes with a numerical model requires the capability of the computational cells to become inundated and dewatered. In this paper, we describe a method for wetting and drying based on an approach consistent with a cell-face blocking algorithm. The method allows water to always flow into any cell, but prevents outflow from a cell when the total depth in that cell is less than a user defined critical value. We describe the method, the implementation into the three-dimensional Regional Oceanographic Modeling System (ROMS), and exhibit the new capability under three scenarios: an analytical expression for shallow water flows, a dam break test case, and a realistic application to part of a wetland area along the Georgia Coast, USA. Published by Elsevier Ltd.
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