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Depending on the environmental legislation in the country, controls may be placed on extraction to limit the amount of water that can be removed. The over-extraction of water can lead to dry rivers or declining groundwater levels. [3] The science of hydrogeology is used to determine safe water extraction levels. Water can go through dams that ...
When groundwater is extracted from an aquifer, a cone of depression is created around the well.As the drafting of water continues, the cone increases in radius. Extracting too much water (overdrafting) can lead to negative impacts such as a drop of the water table, land subsidence, and loss of surface water reaching the streams.
Groundwater-related subsidence is the subsidence (or the sinking) of land resulting from unsustainable groundwater extraction.It is a growing problem in the developing world as cities increase in population and water use, without adequate pumping regulation and enforcement.
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In a new study, scientists begin to map underground channels that are optimal areas for recharging California's groundwater in the Central Valley. From the air, scientists map 'fast paths' for ...
Environmental impact of fracking in the United States has been an issue of public concern, and includes the contamination of ground and surface water, methane emissions, [1] air pollution, migration of gases and fracking chemicals and radionuclides to the surface, the potential mishandling of solid waste, drill cuttings, increased seismicity and associated effects on human and ecosystem health.
Groundwater extraction The economic loss caused by ground subsidence in Shanghai from 2001 to 2020 amounted to over 24.57 billion yuan. Restriction of groundwater use, artificial recharge with treated river water, and adjustment of pumping patterns [80] [81] Tehran, Iran Alluvial sediments 217 (2017-2019) Groundwater extraction [41] [82] [83]
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