Persistent atmospheric patterns that lead to wet and dry seasons and droughts

Spectral analysis to quantify the response of groundwater levels to precipitation—Northwestern United Stateshttps://pubs.er.usgs.gov/publication/ofr20201007

Persistent atmospheric patterns that lead to wet and dry seasons and droughts over periods of months to decades and longer-term climate change over periods of decades to millennia affect groundwater resources. Changes in groundwater storage and the resulting groundwater discharge from most aquifers is relatively slow and steady compared to the…Attribution:Washington Water Science CenterWater Resources

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Year Published: 2020Implementation of a surface water extent model in Cambodia using cloud-based remote sensinghttps://pubs.er.usgs.gov/publication/70209153

Mapping surface water over time provides the spatially explicit information essential for hydroclimatic research focused on droughts and flooding. Hazard risk assessments and water management planning also rely on accurate, long-term measurements describing hydrologic fluctuations. Stream gages are a common measurement tool used to better…Attribution:Western Geographic Science Center

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Year Published: 2020Groundwater availability of the Northern High Plains aquifer in Colorado, Kansas, Nebraska, South Dakota, and Wyominghttps://pubs.er.usgs.gov/publication/pp1864

Executive SummaryThe Northern High Plains aquifer underlies about 93,000 square miles of Colorado, Kansas, Nebraska, South Dakota, and Wyoming and is the largest subregion of the nationally important High Plains aquifer. Irrigation, primarily using groundwater, has supported agricultural production since before 1940, resulting in nearly $50…Attribution:Nebraska Water Science CenterWater Resources

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Year Published: 2020Effects of climate-related variability in storage on streamwater solute concentrations and fluxes in a small forested watershed in the Southeastern United Stateshttps://pubs.er.usgs.gov/publication/70205560

Streamwater quality can be affected by climate-related variability in hydrologic state, which controls flow paths and affects biogeochemical processes. Thirty-one years of input/output solute fluxes at Panola Mountain Research Watershed, a small, forested, seasonally water-limited watershed near Atlanta, Georgia, were used to quantify the effects…Attribution:South Atlantic Water Science Center (SAWSC)Water ResourcesClimate Research and Development ProgramLand Change Science ProgramRegion 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands)United States of America

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Year Published: 2020Dynamics, variability, and change in seasonal precipitation reconstructions for North Americahttps://pubs.er.usgs.gov/publication/70209623

Cool and warm season precipitation totals have been reconstructed on a gridded basis for North America using 439 tree-ring chronologies correlated with December-April totals and 547 different chronologies correlated with May-July totals. These discrete seasonal predictor chronologies are not significantly correlated with the alternate season and…Attribution:Northern Rocky Mountain Science Center (NOROCK)Ecosystems

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Year Published: 2020Increased drought severity tracks warming in the United States’ largest river basinhttps://pubs.er.usgs.gov/publication/70210608

Across the Upper Missouri River Basin, the recent drought of 2000 to 2010, known as the “turn-of-the-century drought,” was likely more severe than any in the instrumental record including the Dust Bowl drought. However, until now, adequate

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