Article on water conservation n rain rainwater harvesting
Answers
Answer:
Water is the reason why life exists on planet Earth, without it life is unimaginable. However, freshwater sources are becoming scarce with the passage of time. Reports of several global agencies, including United Nations, indicate that if the current situtation of water does not change and preventive measures are not taken, then world will start to run out of fresh water by 2050. Rainwater harvesting is a sustainable process that helps in preserving rain water for different purposes and for the future needs as well. Rainwater Harvesting is a method of collecting and storing rain water to be used for various purposes while it can be used in future as well.
Methods of Rainwater Harvesting
There are primarily two prevalent methods of rainwater harvesting that are used in most of the areas:
Surface Run-off Rainwater Harvesting: The rainwater that flows off in the urban areas can be collected and stored to recharge the groundwater level or the aquifer bed, instead of letting the water flow into the drains.
Rooftop Rainwater Harvesting: In rooftop harvesting the rainwater is directly collected from the roof of the buildings and transported either into a tank or an artificial aquifer. Through this method the harvested water can be used for daily use purposes (including drinking and cooking, only after purifying the water at a basic level) and for recharging the aquifers and help restore the groundwater levels.
Components: Catchments, Transportation, First Flush, Filter
Methods:
Water storage for usage
Recharging aquifers
Bore well recharging
Recharge pits
Recharge shafts or Soakway
Dug wells recharge
Recharging Trenches
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