![]() After installation, the temporary directory and installation files can be deleted. Before installing upgrades, remove older versions using the SPAW Uninstall program (database files will be retained). Documentation for the model is found within the Help menu on the Soil-Water Characteristics Toolbar.Ĭopy the installation files to a temporary directory. Upper and lower limits of input values have been set to maintain the validity of calculations. When using the given values it is important to understand they are estimations and may not reflect the actual values for a given situation. It is used to simulate soil water tension, conductivity and water holding capability based on the soil texture, with adjustments to account for gravel content, compaction, salinity, and organic matter. Soil Water Characteristics is a program included with the SPAW installation. POND simulations are performed based on SPAW water budget outputs from one or more fields. The POND module incorporated within SPAW provides water budgeting modeling for small pond/reservoir/lagoon as well as a statistical analysis of pond inundation cycles based on the wetland growing season. The SPAW model performs daily hydrologic water budgeting using the SCS Runoff Curve Number method. ![]() ![]() SPAW is a water budgeting tool for farm fields, ponds and inundated wetlands. Welcome to the software download area! Please ![]()
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