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Water Portal / Rainwater Harvesting / Groundwater recharge / Controlled flooding and Spreading basins

26 bytes added, 22:49, 20 April 2012

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==Suitable conditions==

{{Climate_change

|drought_textheading1= Drought|text1=- ''Effects of drought'': Lower crop yields. <br> - ''Underlying causes of effects'': Less water to crops from flooding. <br> - ''To increase resiliency of WASH system'': Drought-resistant & fast-growing crops; Diversify livelihoods of farmers.

|flood_textheading2= Floods|text2= Spreading basins are perfect for areas with floods. They are built to transfer excess water away from rivers, so that uncontrollable floods don't happen in unwanted places. However, in the event of too much flooding, the spreading basin must be large enough to handle the increased volumes of rain. Plus, with intense rain events, the higher velocities might be too much for the soil of the basin and create a washed out effect or likely just runoff before infiltrating. In this case, additional vegetation enhancement (to help the soils absorb more water), wetland enhancement, levee protection, and/or additional water storage will be helpful.

}}

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