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Wed Oct 9, 2019, 01:52 PM

We pump too much water out of the ground--and that's killing our rivers

There’s more fresh water hidden below Earth’s surface in underground aquifers than any other source besides the ice sheets. That groundwater plays a critical role for rivers worldwide, from the San Pedro to the Ganges, keeping them running even when droughts bring their waters low.

But in recent decades humans have pumped trillions of gallons out of those underground reservoirs. The result, says research published Wednesday in Nature, is a “slow desiccation” of thousands of river ecosystems worldwide. Already, somewhere between 15 and 21 percent of watersheds that experience groundwater extraction have slipped past a critical ecological threshold, the authors say—and by 2050, that number could skyrocket to somewhere between 40 and 79 percent.

That means hundreds of rivers and streams around the world would become so water-stressed that their flora and fauna would hit a danger point, says Inge de Graaf, the lead author of the study and a hydrologist at the University of Freiburg.

“We can really consider this ecological effect like a ticking time bomb,” she says. “If we pump the groundwater now, we don’t see the impacts until like 10 years further or even longer. So what we do right now will impact our environment for many years to come.”

https://www.nationalgeographic.com/science/2019/10/groundwater-pumping-killing-rivers-streams/?cmpid=org=ngp::mc=crm-email::src=ngp::cmp=editorial::add=Science_20191009&rid=FB26C926963C5C9490D08EC70E179424

I believe the Dust Bowl drought in the 1930s was in a large part due to the overuse of the Ogallala aquifer.

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Reply We pump too much water out of the ground--and that's killing our rivers (Original post)
Yo_Mama_Been_Loggin Wednesday OP
TheRealNorth Wednesday #1
littlemissmartypants Wednesday #2
mopinko Wednesday #3

Response to Yo_Mama_Been_Loggin (Original post)

Wed Oct 9, 2019, 02:18 PM

1. The free market will find a solution



Water will become another commodity like oil, and those with money will flourish, those without will wither and die.

Those of us in the Great Lakes are fully aware of how Republican groups have been trying to figure out ways that they can position themselves to tap the lakes for a profit.

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Response to Yo_Mama_Been_Loggin (Original post)

Wed Oct 9, 2019, 02:50 PM

2. I wonder, what percentage of that water

Goes to support fracking?

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Response to Yo_Mama_Been_Loggin (Original post)

Wed Oct 9, 2019, 03:22 PM

3. the dust bowl was before wide scale irrigation.

it was caused by ripping up the prairie grasses. when the drought came, the soil blew away w no cover.

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