Search results
Results from the WOW.Com Content Network
Eutrophication in a lake caused by nonpoint pollution from agriculture Filter strips are commonly used to prevent eutrophication in surface waters. Eutrophication is a widespread problem in rivers, lakes, estuaries, and coastal oceans, directly caused by the over-enrichment of nitrogen and phosphorus; the source of which is overwhelmingly ...
A sediment control is a practice or device designed to keep eroded soil on a construction site, so that it does not wash off and cause water pollution to a nearby stream, river, lake, or sea. Sediment controls are usually employed together with erosion controls , which are designed to prevent or minimize erosion and thus reduce the need for ...
On construction sites they are often implemented in conjunction with sediment controls such as sediment basins and silt fences. Bank erosion is a natural process: without it, rivers would not meander and change course. However, land management patterns that change the hydrograph and/or vegetation cover can act to increase or decrease channel ...
While Durham’s sediment-pollution crisis stems from suburban sprawl, the city’s new Comprehensive Plan provides a blueprint for walkable, diverse, thriving communities that meet the needs of ...
Silt fence installed on a construction site. Silt fences are often installed as perimeter controls. They are typically used in combination with sediment basins and sediment traps, as well as with erosion controls, which are designed to retain sediment in place where soil is being disturbed by construction processes (i.e., land grading and other earthworks).
Contour buffer strips used to retain soil and reduce erosion. A buffer strip is an area of land maintained in permanent vegetation that helps to control air quality, soil quality, and water quality, along with other environmental problems, dealing primarily on land that is used in agriculture.
There, sediment from the Columbia River tends to build up, or accrete. The farther a beach is from the mouth of a nearby river, the more likely it is to be "fed" by river sediments and sand that ...
Britain will on Thursday set out new legislation to stop water companies leaking sewage into rivers and seas by bringing in tougher penalties including imprisonment for bosses, and giving the ...