The Ogallala aquifer described in the Closer Look box in, provides 82% of the drinking water for thepeople who live in the region, although more than 75% ofthe water that is pumped from it is for irrigation. Irrigationwithdrawals are approximately 18 billion gallons per day.(a) Assuming that 2% of the rainfall that falls on an areaof 600,000 km2 recharges the aquifer, what average annualrainfall would be required to replace the water removed forirrigation? (b) What process or processes accounts for thepresence of arsenic in well water?
The Ogallala aquifer described in the Closer Look box in, provides 82% of the drinking water for thepeople who live in the region, although more than 75% ofthe water that is pumped from it is for irrigation. Irrigationwithdrawals are approximately 18 billion gallons per day.(a) Assuming that 2% of the rainfall that falls on an areaof 600,000 km2 recharges the aquifer, what average annualrainfall would be required to replace the water removed forirrigation? (b) What process or processes accounts for thepresence of arsenic in well water?
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter9: The Gaseous State
Section: Chapter Questions
Problem 34P
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The Ogallala aquifer described in the Closer Look box in
, provides 82% of the drinking water for the
people who live in the region, although more than 75% of
the water that is pumped from it is for irrigation. Irrigation
withdrawals are approximately 18 billion gallons per day.
(a) Assuming that 2% of the rainfall that falls on an area
of 600,000 km2 recharges the aquifer, what average annual
rainfall would be required to replace the water removed for
irrigation? (b) What process or processes accounts for the
presence of arsenic in well water?
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