Simulation of density-driven flow in MODFLOW: the density package and MT3DENSE
van Gerven, M.W.; Schaars, F.W. (1999). Simulation of density-driven flow in MODFLOW: the density package and MT3DENSE. Natuurwet. Tijdschr. 79(1-4): 98-104
In: Natuurwetenschappelijk Tijdschrift. L. Walschot/Natuur- en Geneeskundige Vennootschap: Gent. ISSN 0770-1748, meer
Ook verschenen in:
De Breuck, W.; Walschot, L. (Ed.) (1999). Proceedings of the 15th Salt-Water Intrusion Meeting Ghent (Belgium), 25-29 May 1998. Natuurwetenschappelijk Tijdschrift, 79(1-4). Natuurwetenschappelijk Tijdschrift: Gent. 307 pp., meer
Most numerical groundwater-flow models assume the groundwater to be fresh. We developed the Density Package and MT3DENSE for the three-dimensional MODFLOW code to simulate the effect of density differences in the groundwater system. Density effects are accounted for by density-source terms, which are added to the standard MODFLOW equations. In the Density Package the density distribution is assumed to be constant in time, in MT3DENSE the density-driven flow changes in time due to displacement of chloride. The calculated heads are fresh-water heads. The Density Package and MT3DENSE are compatible with standard MODFLOW pre- and post-processing, flow path and transport codes to calculate and visualize flow paths and transport in variable density situations.
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