Soil erosion is one of the world’s biggest environmental concerns. The problem is not limited to any locale—in fact, it’s a widespread problem that affects both urban and rural settings. The good thing with the latter is that they have nature to protect them. Coastal wetlands, such as mangroves, help in mitigating soil erosion during disaster, and play a key role in stabilizing coastlines. Urban settings don’t typically have that level of protection working for them. How mangroves work Mangroves help protect shores and coastlines in three ways: Firstly, each kilometer of mangrove can reduce storm surge levels by up to 0.5 meters. Secondly, the first 100 meters of mangroves can reduce the height of high wind and swell waves by 13 to 66 percent.
http://stormchambers.com/info-articles/stormwater-bmp-a-way-to-prevent-soil-erosion-in-an-urban-setting/
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