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SWAT (soil and water assessment tool) is a river basin scale model developed to quantify the impact of land management practices in large, complex watersheds. SWAT is a public domain software enabled model actively supported by the USDA Agricultural Research Service at the Blackland Research & Extension Center in Temple, Texas , USA. [1]
Soil and Water Assessment Tool. Soil and Water Assessment Tool (SWAT) is a free and open source hydrology model and GIS computer simulation sponsored by the USDA . SWAT is a well known geographic hydrological model in use by many universities and government agencies around the world, and integrates with commercial products like ArcGIS .
The Clean Water Act ( CWA) is the primary federal law in the United States governing water pollution. Its objective is to restore and maintain the chemical, physical, and biological integrity of the nation's waters; recognizing the responsibilities of the states in addressing pollution and providing assistance to states to do so, including ...
File:Water system.pdf. Size of this JPG preview of this PDF file: 800 × 450 pixels. Other resolutions: 320 × 180 pixels | 640 × 360 pixels | 1,024 × 575 pixels | 1,500 × 843 pixels. This is a file from the Wikimedia Commons. Information from its description page there is shown below.
A diagram of the political system of the United States. The full name of the republic is the "United States of America". No other name appears in the Constitution, and this is the name that appears on money, in treaties, and in legal cases to which the nation is a party. The terms "Government of the United States of America" or "United States ...
Water storage. Water storage is a broad term referring to storage of both potable water for consumption, and non potable water for use in agriculture. In both developing countries and some developed countries found in tropical climates, there is a need to store potable drinking water during the dry season. In agriculture water storage, water is ...
The National Inventory of Dams defines a major dam as being 50 feet (15 m) tall with a storage capacity of at least 5,000 acre-feet (6,200,000 m 3), or of any height with a storage capacity of 25,000 acre-feet (31,000,000 m 3). [1] The following is a partial list of dams and reservoirs in the United States. There are an estimated 84,000 dams in ...
United States customary units form a system of measurement units commonly used in the United States and most U.S. territories, [ 1] since being standardized and adopted in 1832. [ 2] The United States customary system developed from English units that were in use in the British Empire before the U.S. became an independent country.