The hydrologic cycle – groundwater as a part of the total water cycle
The hydrologic cycle – groundwater as a part of the total water cycle Read More »
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Knowledge, information, explanation
Rainwater harvesting – why, when, and how to do it
Whether to store or to recharge; accessories, down-pipes, filters; water quality
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Action KnowledgeDug well – will the shallow unconfined aquifers save us?
Shallow unconfined aquifers are groundwater reservoirs located just below the water table and not confined by impermeable layers above. Dug wells are specifically designed to access shallow unconfined aquifers. Being shallow and exposed to the surface, dug wells are particularly vulnerable to contamination from surface sources like road salt, fertilisers, and septic systems. Dug wells have depths between 3 m and 10 m and are prone to drought conditions when the water table drops.
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KnowledgeIndia – a world leader in groundwater dependence
At about 250 billion cubic meters per year, India is the largest user of groundwater in the world, This is more than the US and China combined, who are #2 and #3 behind India. As a result, more than 60% of India’s districts have critical or overexploited groundwater levels.
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What is groundwater? Why is it a fugitive resource?
Groundwater is the largest available freshwater resource on earth. It serves the drinking water needs of nearly half of the humanity, including almost everyone who lives in rural areas. The largest use for groundwater is to irrigate crops. In India, about 90% of groundwater is consumed by irrigation alone. At 250 billion cubic meters per year,
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