GATE CE 2020 Set 1 — Question 60

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NAT+2 / -0MediumConfined & Unconfined AquifersHydrographs & GroundwaterWater Resources Engineering

Water Resources Engineering → Hydrographs & Groundwater → Confined & Unconfined Aquifers

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Question

In a homogeneous unconfined aquifer of area 3.00 km23.00\text{ km}^2, the water table was at an elevation of 102.00 m102.00\text{ m}. After a natural recharge of volume 0.90 million cubic meter (Mm3)0.90\text{ million cubic meter (Mm}^3), the water table rose to 103.20 m103.20\text{ m}. After this recharge, ground water pumping took place and the water table dropped down to 101.20 m101.20\text{ m}. The volume of ground water pumped after the natural recharge, expressed (in Mm3\text{Mm}^3 and round off to two decimal places), is ___________.
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