Is depletion of groundwater become a problem
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Answer:
The volume of groundwater in storage is decreasing in many areas of the United States in response to pumping. Groundwater depletion is primarily caused by sustained groundwater pumping. Some of the negative effects of groundwater depletion: drying up of wells.
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Explanation:
Effects of groundwater depletion
As the world’s largest distributed store of fresh water, ground water plays a central part in sustaining ecosystems and enabling humans to improve resilience to climate variability and change. The strategic importance of ground water for global water and food security will undoubtably intensify in future due to rising global temperatures and population growth.
effects of groundwater depletion
Groundwater depletion and climate change
Under a warming atmosphere, precipitation rates are predicted to increase, particularly in the tropics. Projected shifts in the timing of rainfall itself (e.g. changes to seasonal patterns) will result in more variable river discharge and soil moisture.
River dishcarge changes will impact on in-year freshwater shortages and the risk of flooding whereas soil moisture changes threaten food security through reduced crop yields.
Projected changes in the geographic distribution of average rainfall are substantial but remain highly uncertain for most of the world. Many current reports point to inadequacy of modelling techniques in not being able to draw firm predictions of future impact.
Strategies to adapt to more variable freshwater resources will, in many environments, increase dependence upon groundwater. Few climate impact models consider how climate variability and change affect groundwater recharge and the sustainable development of groundwater despite its central role in enabling adaptation in domestic and agricultural water sectors.