09th August 2011
Runoff pertains to the part of the water that runs on the ground surface as a result of spills from the drainage system. As storm water pours, it flows through the drainage system and collects in the lowest ground elevation. Most cities are designed with ...
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03rd February 2011
Surface runoff is the result of oversaturation of soil with water. It normally happens when the amount of rainfall per second is not proportional to the absorbing capacity of the soil. The absorbing capacity of soil is dependent on the porosity and densit...
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03rd February 2011
Rivers are the most important inland body of water. It serves as the source of life of plants, animals, and even humans. The first civilizations had thrived alongside rivers and getting their food, water, and even transportation from it. They took advanta...
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03rd February 2011
Storm water runoff not only causes soil erosion and flooding; it also channels pollutants throughout an area. Water can spread a large amount of pollutants from one place to another if not transmitted properly towards the drainage system. By creating more...
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03rd February 2011
Flooding is one of the most disastrous natural occurrences on the planet. It kills hundreds of thousands of people every year, and destroys billions of worth of property. In fact, among the twenty worst natural disasters over the last century, five are ca...
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12th October 2010
Rain and melting snow cause water to flow down from the mountains or the sky and into the drainage systems of many cities. A city’s sewers and a city’s storm drains are often on separate systems, although both the sewers and the drains will end up in a se...
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12th October 2010
The impact of human activity on waterways is undeniable. Large expanses of pavement, roofs and retaining walls shed storm water ever faster into increasingly constricted channels, causing flash flooding, fish kills, erosion and rapid distribution of pollu...
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12th October 2010
Managing storm water often makes the difference between a community being flooded or not being flooded. It’s easy to talk about these systems and practices and unfortunately talking about storms and the resultant problems with flooding have become ordinar...
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