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Concerns about proposed boundaries of the Earth system
A new study suggests that the de-limit state is not intended to help inform target-setting and groundwater is not intended to provide a target for sustainable groundwater pumping. The analysis was conducted based on global GLDAS and GRACE data, which showed broad trends in Groundwater Waters Salinity (GWS). However, groundwater extraction that may safely occur…
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There have been cases of recovery in water resources around the globe
The US Geological Survey (USGS) has designed a groundwater model to help evaluate aquifer recharge in the southwestern state of Arizona. The model shows that the Tucson-Graham County valley has the third-highest concentration of groundwater in the contiguous United States. It also shows that aquifers in other parts of the state, including Gila Valley and…