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Latest Surface runoff Stories

2014-12-22 23:01:39

The Philadelphia Water Department (PWD) and the Philadelphia Industrial Development Corporation (PIDC) have awarded $3.5 million in grants to promote green stormwater management practices in a

2014-10-15 20:21:09

HARRISBURG, Pa., Oct. 15, 2014 /PRNewswire-USNewswire/ -- This week, the Pennsylvania legislature passed two bills that will harm the water and air of Pennsylvanians.

Sierra Nevada snowpack
2014-09-03 02:00:01

Freshwater runoff from the Sierra Nevada may decrease by as much as one-quarter by 2100 due to climate warming on the high slopes, according to scientists at UC Irvine and UC Merced.

2014-07-22 04:20:42

PORTLAND, Ore., July 22, 2014 /PRNewswire/ -- In less than two weeks Portland, Oregon will host StormCon 2014, the largest annual stormwater pollution prevention conference in the country.

2014-07-15 12:23:05

Attend StormCon August 3-7 PORTLAND, Ore., July 15, 2014 /PRNewswire/ -- Urbanization poses an array of challenges.

2014-07-08 08:22:05

PORTLAND, Ore., July 8, 2014 /PRNewswire/ -- In recent years, EPA has been cracking down on storm-water violations at residential and commercial construction sites.


Latest Surface runoff Reference Libraries

Erosion
2013-04-01 12:48:39

Erosion is the process by which rock and soil are taken from the surface of the Earth by exogenetic processes like wind or the flow of water, and then transported and deposited in another location. While erosion is a natural process, human activities have increased by 10 to 40 times the rate at which erosion is happening globally. Excessive erosion results in problems such as desertification, decreases in agricultural productivity because of land degradation, sedimentation of waterways,...

22_319d33a1f9f347feb9c006816dbc1357
2009-07-06 17:58:20

The water cycle (or hydrologic cycle) describes the continuous movement of water above, below, and on the planet. Since the water cycle is in fact a "cycle", there is no beginning or end. Water exists in three states: liquid, vapor, and ice. Although the balance of water on our planet is fairly constant, individual water molecules may come and go. The water cycle is driven by the sun. The sun heats the oceans and allows water to evaporate into the air. The sun also heats snow and ice which...

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Word of the Day
mitraille
  • Small missiles, especially grape, canister, fragments of iron, and the like, when fired, as upon an enemy at close quarters.
  • To fire mitraille at.
The word 'mitraille' comes from the Old French 'mitaille', meaning 'small coins', sometimes used to mean 'scrap iron'.