Science

New study examines impacts of fracking on water supplies worldwide

Credit: Rosa, et al. (2018)

Using hydraulic fracturing to extract oil and natural gas from shale is a common technique used worldwide. Because the technique requires large amounts of water, however, it raises the question of whether it could lead to water shortages or competition with other water uses, especially agriculture.

In a new paper in the AGU journal Earth’s Future, Lorenzo Rosa and his colleagues evaluated the impacts of hydraulic fracturing on local availability for food production and other human and environmental needs globally. They found that 30 percent of shale deposits are located in arid regions where aquifers are already being heavily tapped for irrigating crops and 31 percent to 40 percent of shale deposits are in areas where water-stress would emerge or be exacerbated by fracking.

The researchers conclude that in such places water management plans would be needed to ensure that fracking would not affect other human and environmental water needs. The map below shows water stress within shale deposits. In water stressed areas, water is consumed at greater rates than the local water supply is replenished. Green, yellow, orange or red pixels represent areas where there are shale deposits and where freshwater is […]

More about water and fracking:

Trump plan to allow new fracking on California coast, Central Valley moves forward

Intensification of the water footprint of hydraulic fracturing

Did a huge Gillette water project frack-up rural wells?

Final EPA Study Confirms Fracking Contaminates Drinking Water

5 Million Gallons of Freshwater Used to Frack Just One Well

New Mexico official: Texans are ‘stealing’ water and selling it back for fracking

Lawsuit Launched Against Trump EPA for Approving Fracking Waste Dumping Into Gulf of Mexico

Penn State study: Spraying brine from drilling, fracking on roadways is hazardous

Summary
Article Name
New study examines impacts of fracking on water supplies worldwide
Description
Fracking: 30% of shale deposits are in regions where aquifers are heavily tapped for crop irrigation. 31 - 40% will cause/worsen water-stress if fracked.
Author
Publisher Name
PhysOrg
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