Snowpack and Groundwater

A new paper in JGR-Atmospheres raises some significant questions about snowmelt and groundwater in the western U.S. in a CO2-warmed world. Sam Earman of the Desert Research Institute and colleagues used isotopic analysis to try to tease out the relationship between snowmelt and groundwater recharge. They found that, while 25 to 50 percent of precipitation …

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Drought in the West

Roger Pielke Sr. links to an interesting new paper about Holocene drought in the Rocky Mountain West, and makes a good point: A reoccurrence of prehistoric droughts today would result in enormous social and environmental consequences.