Tracing water from river to aquifer
A new technique using dissolved noble gas tracers sheds light on how water moves through an aquifer, with implications for water resources and their vulnerability to climate change.
A new technique using dissolved noble gas tracers sheds light on how water moves through an aquifer, with implications for water resources and their vulnerability to climate change.
Earth Sciences
Apr 21, 2021
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9
Groundwater is a key resource for water users in California's Central Valley, a major agricultural hub with an economic output of tens of billions of dollars annually. Surface deformation in the Central Valley has long been ...
Earth Sciences
Apr 13, 2021
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11
GEOGRAFI A new study by a University of Copenhagen researcher finds that thawing permafrost in Alaska causes colder water in smaller rivers and streams. This surprising consequence of climate change could affect the survival ...
Earth Sciences
Apr 12, 2021
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13
Scientific insights from the Agricultural Research Service's long-term study sites underpin dozens of models and research methods that guide global land management and conservation practices.
Earth Sciences
Mar 1, 2021
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89
In many semiarid and arid regions around the world, groundwater drawn from basin-fill aquifers sustains local agriculture and large cities. Such aquifers are typically replenished by high-elevation precipitation and snowmelt ...
Environment
Feb 11, 2021
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813 years of annual river discharge at 62 stations, 41 rivers in 16 countries, from 1200 to 2012. That is what researchers at the Singapore University of Technology and Design (SUTD) produced after two years of research in ...
Earth Sciences
Dec 30, 2020
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507
Excessive pumping from underground aquifers can cause the surrounding land to sink and lead to damage to streets, bridges and other infrastructure, reduced groundwater storage, and contaminated drinking water, according to ...
Environment
Sep 25, 2020
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13
Meteorologists track hurricanes over the oceans, forecasting where and when landfall might occur so residents can prepare for disaster before it strikes. What if they could do the same thing for droughts?
Earth Sciences
Sep 24, 2020
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130
Climate change could deliver more silt, sand and pollution to the San Francisco Bay-Delta, along with a mixed bag of other potential consequences and benefits, according to a new study in the AGU journal Water Resources Research, ...
Environment
Sep 2, 2020
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11
Prior to urbanization, the natural landscape and climate determined how much water flowed into streams and rivers. Urban development now dramatically affects how much and where water flows, but Civil and Environmental Engineering ...
Earth Sciences
Aug 25, 2020
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4