Groundwater

June 26, 2016--After years of drought and overuse, the San Luis Valley aquifer refills (High Country News)

The San Luis Valley in southern Colorado is an 8,000-square-mile expanse of farmland speckled with potato, alfalfa, barley and quinoa fields between the San Juan and Sangre de Cristo mountain ranges. Only about 7 inches of rain fall each year in the San Luis Valley. But while farmers and ranchers can’t depend on moisture above ground, they make up the difference beneath it.


June 21, 2016--Study finds surprising source of Colorado River water supply (Cortez Journal)

Every spring, snow begins to melt throughout the Rocky Mountains, flowing down from high peaks and into the streams and rivers that form the mighty Colorado River Basin, sustaining entire cities and ecosystems from Wyoming to Arizona.


June 9, 2016--Stanford researchers calculate groundwater levels from satellite data (Stanford University)

Researchers from Stanford’s School of Earth, Energy & Environmental Sciences have used satellite data and a new computer algorithm to gauge groundwater levels in Colorado’s San Luis Valley agricultural basin. The technique, detailed in the June issue of the journal Water Resources Research, could lead to better models of groundwater flow.


June 7, 2016--USGS map reveals long-term changes in America’s groundwater quality (Circle of Blue)

Chloride and nitrate concentrations are rising and arsenic levels are holding steady or falling. Those are two of the conclusions from a U.S. Geological Survey assessment of changes in the nation’s groundwater quality in the last two decades.


May 10, 2016--Groundwater a huge factor in sustaining Colorado River flows (Summit Voice)

Resource managers grappling with the vexing question of how to allocate Colorado River water to the thirsty cities, ranches and farms of the Southwest have some new food for thought. A new U.S.


April 18, 2016--Ex-guv, legislators clash over water bill (Grand Junction Sentinel)

Former Gov. Bill Owens is trying to block a measure in the Colorado Legislature that would change the rules on how groundwater rights are handled, and two local lawmakers aren’t happy about it. Calling Owens a “water speculator,” Sen. Ray Scott, R-Grand Junction, and Rep.


February 5, 2016--The most important water stories of 2015 (Huffington Post)

Water was a Top Risk on the 2015 Global Agenda: In early 2015, participants at the World Economic Forum, a who's who of the political and business elite, ranked water crises as the top global risk.


January 16, 2016--How federal policies are eroding the San Joaquin Valley floor (Water Deeply)

The San Joaquin Valley floor has been sinking for decades. So much water has been pumped out of wells in this arid agricultural zone that the land’s surface has caved downward almost 30 feet in places.


July 22, 2015--California’s big groundwater problem (New York Times)

California struggles to measure how much water its heaviest users draw from its rivers and streams.


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