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ROOT _ScienceBase Catalog __National and Regional Climate Adaptation Science Centers ___South Central CASC ____FY 2021 Projects _____Using Precipitation Climatology to Examine the Role of Climate Change in Extreme Events of the Mississippi River Basin ______Approved Products Filters
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The greater Mississippi River Basin (MRB) drains 3.2 million square kilometers of land and spans 31 U.S. states. Ninety percent of all U.S. agricultural exports are grown in the MRB, and about 40 percent of the nation's total exports are transported through its major rivers. Ecologically, 24 terrestrial ecoregions comprise MRB, supporting amphibious, reptile, and mammal species. MRB provides habitat for almost 250 fish and 50 mussel species, its floodplain supports about 40 percent of North America’s wading birds and waterfowl, and over 180 National Wildlife Refuges operate across this region. Climate change is projected to disrupt the amount, frequency, extent, and timing of precipitation events across the MRB....
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Abstract (from AGUPubs): To assist water managers in south-central Oklahoma prepare for future drought, reliable place-based drought forecasts are produced. Past-, present-, and future-forecasted climate indices (Multivariate ENSO Index, Pacific Decadal Oscillation index, and Atlantic Multidecadal Oscillation index) and past and present Palmer Drought Severity Index (PDSI) are employed as predictor variables to forecast PDSI using a multivariate regression technique. PDSI is forecasted 18 months in advance with sufficient skill to provide water managers early warning of drought. Using a training data set obtained from the period January 1901 to November 2021, a second-order model equation that contains, without...
Categories: Publication;
Types: Citation
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