Water Resource Is Ground Water

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One of earth’s most usable water resource is ground water. On earth the total amount of water that is present is estimated around 326 million cubic miles. Out of this amount of water present 97% is sea water, while the other 2% is found frozen in ice caps and glaciers. This remaining 1% is found in ground water. Surface water, water found in the atmosphere, and water found in unsaturated soils and rocks only account for about one-fifth of the total amount found in the world water supply that is any given moment. Not counting ice, ground water accounts for 97% of the water that is not in the ocean.
Figure 1

In Kansas, ground water is the only available source of water in larger amounts. Kansans uses ground water for 85% of their water
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A study recently published showed that “if current trends continue irrigation, then store nearly 70% of the water will be exhausted in the Kansas High Plains aquifer in 50 years” (Kansas Water Resources Board). Groundwater is available to help support agricultural production and is a reliable guarantee, but with continual depletion of the aquifers there would be a threat to the future of sustainable water resources. The High Plains aquifer provides the United States with 30 percent of irrigated groundwater, where the high plains of Kansas’s aquifers occupy an important share.
Kansas State University, Department of Civil Engineering of David Steward and his colleagues, used observation wells groundwater level measured historical data to develop a model to predict groundwater in western Kansas reduced circumstances. With their observation they also evaluated the reduction of groundwater exploitation, possible effects on maize production and livestock industry. The researchers estimated that “in 1960, the aquifer only used 3% of the water and by 2010, 30% of the water has been exhausted, then in 2060 another 39% is expected to disappear” (David Steward, 1987).
The Steward Study Group report said that once the water runs out, the aquifers may require an average of 500 to 1300 years to fully charge again. Although groundwater exploitation in western Kansas, will inevitably begin to reduce in the next 15 to 20 years, but due to the continuous improvement of
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