The following tests may be performed to get an idea of the probable yield of the well: 1. Pumping Test: The water level is depressed to an amount equal to the safe working head for the subsoil. Then the water level is kept constant by making the pumping rate equal to the percolation into the […]
How to Determine the Probable Yield of Wells? | Geography
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How to Calculate the Specific Capacity of a Well? | Ground Water
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The specific capacity (Q/sw) of a well is the discharge per unit drawdown in the well and is usually expressed in lpm/m. This is a measure of the effectiveness of a well. From Eqs. (4.78), (5.89) and (5.90). Which shows that the specific capacity of a well is not constant but decreases with the increase […]
How to Construct Collector Wells? | Well Design | Geography
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The following article will guide you about how to construct collector wells with the help of suitable diagrams. To get large irrigation supplies from permeable alluvial aquifers with a permanent source for continuous recharge, like gravel formation from banks of lakes or perennial streams or from water-logged areas irrigated by big canal systems, radial water […]