Why are these software the best Because they are supported by big institutions and scientific communities.Because there are a lot of research projects and publications related to them.
Surface Water Modeling System Software The BestIt does not have a monetary cost, does not require a license and can be used by anyone. Another important reason is that their use improves the transparency of water resources and environmental evaluations since the results can be shared, supervised and observations can be made. In this way, software does not become an obstacle to understand and discuss impacts. These software are (organized by categories): Geographical Information Systems 1. QGIS QGIS is the most popular GIS tool with an impressive trajectory and a vibrant community. It also even has a particular ecosystem of complements called plugins. SAGA GIS is a simple but powerful tool, with a big library focused on spatial analysis and characterization of basins. This model uses the gradient and topography to evaluate the flow depth, velocities and flooded zones. It is also useful to calculate sediment transport and water temperature. HEC-HMS The Hydrologic Modeling System (HEC-HMS) is designed to simulate the hydrologic processes in basins. It was developed by the United States Geological Survey (USGS) to evaluate the effects of several combinations of geomorphology, type of soil, soil use, vegetation and climatic parameters in the hydrological response of a basin. It is focused in precipitation-runoff modeling and transport of water and solutes through surface flow. It predicts the impacts of soil management practices in water resources and sediments Web: swat.tamu.edu. MODFLOW This code performs groundwater modeling based on finite differences developed by the United States Geological Survey (USGS). It is capable of simulating groundwater 2D and 3D flux and simulate the principal physical processes related to the groundwater regime such as recharge, evapotranspiration, pumping, drainage, etc. Web. The MT3DMS code simulates advection, dispersiondiffusion and chemical reactions of adsorptionabsorption of contaminants in groundwater. OpenFOAM Pretty much any physical phenomenon associated to fluid dynamics can be represented with this software. Python This is the favorite code for scientific, water resources and environment analysis. It has several packages for different tools such as GIS, mathematical analysis and artificial intelligence. It is easy to understand and makes it possible to make complicated analysis with just a few lines of code. It is the best option to perform spatial analysis since it incorporates several interpolation options.
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