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English: The maps use data from nationalatlas.gov, specifically countyp020.tar.gz on the Raw Data Download page. The maps also use state outline data from statesp020.tar.gz. The Florida maps use hydrogm020.tar.gz to display Lake Okeechobee.
Best management practices (BMPs) is a term used in the United States and Canada to describe a type of water pollution control. Historically the term has referred to auxiliary pollution controls in the fields of industrial wastewater control and municipal sewage control, while in stormwater management (both urban and rural) and wetland ...
The SELDM BMP-treatment module has provisions for stochastic modeling of three stormwater treatments: volume reduction, hydrograph extension, and water-quality treatment. In SELDM, these three treatment variables are modeled by using the trapezoidal distribution [ 32 ] and the rank correlation [ 33 ] with the associated highway-runoff variables.
Infiltration trench, is a type of best management practice (BMP) that is used to manage stormwater runoff, prevent flooding and downstream erosion, and improve water quality in an adjacent river, stream, lake or bay. It is a shallow excavated trench filled with gravel or crushed stone that is designed to infiltrate stormwater though permeable ...
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Knox County is a county located in the U.S. state of Tennessee.As of the 2020 census, the population was 478,971, [3] making it the third-most populous county in Tennessee. Its county seat is Knoxville, [4] which is the third-most populous city in Tennessee.
As stormwater is channeled into storm drains and surface waters, the natural sediment load discharged to receiving waters decreases, but the water flow and velocity increases. In fact, the impervious cover in a typical city creates five times the runoff of a typical woodland of the same size. [9] [clarification needed]
The Knoxville Utilities Board reported 1,222 customers were without power and expected most outages would be resolved by 11:30 a.m. The Lenoir City Utilities Board, which serves West Knox County ...