Sentences with phrase «water runoff occurring»

Analyzed impervious surfaces for impervious cover to understand the level of storm water runoff occurring in Madison County, AL..

Not exact matches

«However, the greatest reduction in nitrogen leaching occurs when bioenergy crops displace other cropland or grassland, because energy crops consume more water and less nitrogen fertilizer than the crops and grasses that they replace, resulting in less water runoff and nitrogen loss.»

Across the state of California, over 300 systems carry water that has been contaminated by agricultural runoff or naturally occurring pollutants like arsenic and uranium.

This usually occurs in coastal and estuarine areas due to reducing land - based influence (e.g., either from reduced runoff and associated groundwater recharge, or from excessive water withdrawals from aquifers) or increasing marine influence (e.g., relative sea - level rise).

Several studies focused on the Colorado River basin showed that annual runoff reductions in a warmer western U.S. climate occur through a combination of evapotranspiration increases and precipitation decreases, with the overall reduction in river flow exacerbated by human demands on the water supply.

Dry catchments need to soak up large volumes of water before substantial runoff occurs, and some soils can be become hydrophobic, resisting infiltration of rainfall.

This flood usually occurs from a temporary situation such as a rapid accumulation of runoff of surface waters from heavy rains, damn breakage, tidal waves and / or heavy mudflow.