Influences of Environmental Variations on Water Resources

Ai Jun Shao; Zhi Guang Li; Yuan Huang

doi:10.4028/www.scientific.net/AMR.671-674.2760

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 671-674Influences of Environmental Variations on Water...

Influences of Environmental Variations on Water Resources

Abstract:

Environmental variations and the influences on water resources are complicated. According to a great number of the statistical data of Hebei province in Northern China since the 1950s, the analyzing indicated that the water resources volume in Hebei province trended towards decreasing during the recent 50 years as the variations of natural environment and human activities increasing. Precipitation reducing and air temperature rising are the basic cause of leading to the water resources decreasing. The continual lowering of groundwater level, which was created by the excess development of groundwater, not only caused surface runoff decreasing but also made groundwater recharge lessening. The level increase of crop output directly consumed a great lot of water resources, simultaneously had farmland evapotranspiration strengthened, and also brought about surface runoff and groundwater recharge decrease.

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Periodical:

Advanced Materials Research (Volumes 671-674)

Pages:

2760-2764

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.671-674.2760

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Online since:

March 2013

Authors:

Ai Jun Shao, Zhi Guang Li, Yuan Huang

Keywords:

Climate Change, Crop Water Requirement, Groundwater Recharge, Surface Runoff, Water Resource

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References

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