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Study: South Florida susceptible to underground mix of salt water with freshwater

2016-08-07 13:27:00| Climate Ark Climate Change & Global Warming Newsfeed

Real Deal: Ohio State University hydro-geologist Audrey Sawyer said only a minor amount of seawater will make drinkable water undrinkable. The journal Science published a new study showing 9 percent of U.S. coastal areas are susceptible to a contaminated underground mix of fresh water and salt water, including southeastern Florida. The study features the first map of underground water flows ever developed. The technical name for these flows is "submarine groundwater discharge." These flows bring fresh...

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In California Farming Heartland, Study Finds Drilling and Fracking into Freshwater Formations

2016-06-27 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed

InsideClimate: Oil and gas development, including hydraulic fracturing, occurs in as many as one in five underground sources of fresh water in California's farming heartland, according to a new study published Monday in the Proceedings of the National Academy of Sciences. The study by Stanford scientists assessed the amount of groundwater that could be used for irrigation and drinking supplies in five counties of California's agricultural Central Valley, as well as the three coastal counties encompassing Los...

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Small islands to face increased freshwater scarcity

2016-04-12 15:11:40| Climate Ark Climate Change & Global Warming Newsfeed

Christian Science Monitor: Island populations are likely to face much greater scarcity of freshwater in the coming decades than previously thought, according to new research. Current global climate models (GCMs) indicate that 50 percent of small islands will become wetter, and 50 percent drier, by the middle of the century, but this new study, published Monday in Nature Climate Change, contends that a more accurate estimate puts 73 percent at risk of increased aridity. The basis of this substantial discrepancy is that...

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Imperiled Amazon freshwater ecosystems urgently need basin-wide study, management

2016-02-02 04:09:00| Climate Ark Climate Change & Global Warming Newsfeed

Mongabay: The Amazons freshwater ecosystems are at risk because current policy and existing protected areas fail to protect the connectivity of the water cycle, scientists warn. The new study, published in Global Change Biology, examines the factors degrading the Amazon basins hydrological connectivity: the movement of water and with it the life-giving matter, nutrients and organisms it carries between the vast systems headwaters and the Atlantic Ocean, between the rivers and the forest, and the earth...

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Greenhouse gas emissions from freshwater higher than thought

2015-12-21 16:02:00| Climate Ark Climate Change & Global Warming Newsfeed

Environmental News Network: Do not underestimate the babbling brook. When it comes to greenhouse gases, these bucolic water bodies have the potential to create a lot of hot air. According to a new analysis in the journal Ecological Monographs, by researchers at the University of WisconsinMadison and colleagues, the worlds rivers and streams pump about 10 times more methane into our atmosphere than scientists estimated in previous studies. The new study also found that human activity seems to drive which streams are the...

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