Hydrology Models: Sahysmod, Saltmod, Modflow, Hydrological Transport Model, Zoomq3d, Groundwater Model, Mohid Water Modelling System

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General Books, 2010 - 104 pages
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 28. Chapters: SahysMod, SaltMod, MODFLOW, Hydrological transport model, Groundwater model, ZOOMQ3D, MOHID Water Modelling System, Runoff model, GSSHA, FEHM, Vflo, HBV hydrology model, MIKE 11, WAFLEX, WEAP, Analytic element method, SHETRAN, MOUSE DHI, HydroGeoSphere, Hydrologic Evaluation of Landfill Performance, Canadian Land Surface Scheme, Temporal Analyst, LITPACK, METRIC. Excerpt: SahysMod is a computer program for the prediction of the salinity of soil moisture, groundwater and drainage water, the depth of the watertable, and the drain discharge in irrigated agricultural lands, using different hydrogeologic and aquifer conditions, varying water management options, including the use of ground water for irrigation, and several crop rotation schedules, whereby the spatial variations are accounted for through a network of polygons.Application references: There is a need for a computer program that is easier to operate and that requires a simpler data structure then most currently available models. Therefore, the SahysMod program was designed keeping in mind a relative simplicity of operation to facilitate the use by field technicians, engineers and project planners instead of specialized geo-hydrologists.It aims at using input data that are generally available, or that can be estimated with reasonable accuracy, or that can be measured with relative ease. Although the calculations are done numerically and have to be repeated many times, the final results can be checked by hand using the formulas in this manual. SahysMod's objective is to predict the long-term hydro-salinity in terms of general trends, not to arrive at exact predictions of how, for example, the situation would be on the first of April in ten years from now.Further, SahysMod gives the option of the re-use of drainage and well water (e.g. for irrigation) and it ca...

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