Water Storage Tank. Johad Rainwater Storage Tank. Pokhar Or A Percolation Pond, Rajhasthan. India. Rainwater Storage Tank In The Alwar District Of Rajasthan, Called By Locals A Johad, With Wild Trees And An Embankment, It Is A Very Dry Atmosphere Trapping Heat To Warm The Planet, And Preventing Extreme Temperature Differences Between Day And Night. A Johad Is A Rainwater Storage Tank, Under This System, A Small Earthen Embankment Is Made, And A Slope Is Made In It To Conserve Rainwater, This Is Called Johad-Water Conservation. Are Often Seen Surrounded By Embankment, An Embankment Is A Raised Wall, Bank Or Mound Made Of Earth Or Stones, That Are Used To Hold Back Water And With Water Well And Trees Around Them. In Many Parts, Specially In Dry State Of Rajasthan, The Annual Rainfall Is Very Low (Between 450 And 600 Mm) And The Water Can Be Unpleasant To Drink. Rainfall During July And August Is Stored In Johads And Used Throughout The Year. A Johad, Also Known As A Pokhar Or A Percolation Pond, Is A Community-Owned Traditional Harvested Rainwater Storage Wetland Principally Used For Effectively Harnessing Water Resources In The State Of Rajasthan,That Collects And Stores Water Throughout The Year. Johads Are Dispersed Throughout More Than 650 Villages In Rajasthan's Alwar District.

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