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Synopsis: This article outlines how wetlands can significantly reduce flooding in the Upper Mississippi watershed. The authors first provide a historical context by estimating the original and lost wetland storage capacities of the Upper Mississippi and Missouri River Basins. Historically, about 10% of the basin would have been classified as wetland in 1780. By 1980, wetland acreage had been reduced to only 4% of the basin, representing about 26 million acres of wetlands eliminated since 1780. The area of wetland restoration required to reduce the risk of future flooding adequately was estimated based on the total amount of excess floodwater beyond bank-full discharge that passed through the City of St. Louis during...
The purpose of the Conservation Effects Assessment Project (CEAP) cropland national assessment is to quantify the environmental benefits of conservation programs at the regional and national levels, which include both onsite and instream water quality benefits. Modeling is an effective tool for environmental assessment at the regional and national scale due to the complexities in nature at this scale. Two simulation models, the Agricultural Policy Environmental extender (APEX) and the Soil and Water Assessment Tool (SWAT), were used for the CEAP cropland national assessment. A subset of National Resources Inventory (NRI) sample points was selected to serve as "representative fields" for the CEAP cropland survey...


map background search result map search result map Flood reduction through wetand restoration: the Upper Mississippi River Basin as a case history. USGS Topo Map Vector Data (Vector) 5752 Browntown, Wisconsin 20190325 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 23505 Kieler, Wisconsin 20190325 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27477 Manito, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 7315 Carlyle, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 3200 Bellevue, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 16587 Funks Grove, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16729 Galva, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 20112 Henning, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 21473 Humrick, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 22317 Jacksonville, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 23744 Kirkland, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 23698 Kinsman, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 23780 Kishwaukee, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 24098 La Hogue, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27134 Macomb, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 42657 Springbrook, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 12911 Dubuque South, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 30002 Montpelier, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 5752 Browntown, Wisconsin 20190325 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 23505 Kieler, Wisconsin 20190325 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27477 Manito, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 7315 Carlyle, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 3200 Bellevue, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 16587 Funks Grove, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16729 Galva, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 20112 Henning, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 21473 Humrick, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 22317 Jacksonville, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 23744 Kirkland, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 23698 Kinsman, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 23780 Kishwaukee, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 24098 La Hogue, Illinois 20180625 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27134 Macomb, Illinois 20180625 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 42657 Springbrook, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 12911 Dubuque South, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 30002 Montpelier, Iowa 20190321 for 7.5 x 7.5 minute Shapefile Flood reduction through wetand restoration: the Upper Mississippi River Basin as a case history.