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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
Conclusions:Wetland extent, proximity of wetlands to the sampling station, and the position of a wetland in a watershed (downstream wetlands have greater influence on water quality) influence water quality.Thresholds/Learnings:
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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...
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This dataset represents presence of white pine (Pinus strobus) at year 100 (2095) from a single model run of LANDIS-II. The simulation assumed Intergovernmental Panel on Climate Change (IPCC) B2 emissions (moderate) and used the Hadley 3 global circulation model. Contemporary harvest rates and intensities were simulated.
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This dataset represents presence of Jack Pine (Pinus banksiana) in Minnesota (USA) at year 50 (2045) from a single model run of LANDIS-II. The simulation assumed Intergovernmental Panel on Climate Change (IPCC) B2 emissions (moderate) and used the Hadley 3 global circulation model. Restoration harvest rates and intensities were simulated.
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This dataset represents presence of Sugar Maple (Acer saccharum) in Minnesota (USA) at year 0 (2145) from a single model run of LANDIS-II. The simulation assumed Intergovernmental Panel on Climate Change (IPCC) B2 emissions (moderate) and used the Hadley 3 global circulation model. Contemporary harvest rates and intensities were simulated.
map background search result map search result map Flood reduction through wetand restoration: the Upper Mississippi River Basin as a case history. Minnesota (USA) Climate Change Project: White Pine at Year 100 (2095), assuming emissions scenario B2, Hadley3 GCM, contemporary harvest rates and intensity Minnesota (USA) Climate Change Project: Jack Pine at Year 50 (2045), assuming emissions scenario B2, Hadley3 GCM, restoration harvest rates and intensity Minnesota (USA) Climate Change Project: Sugar Maple at Year 150 (2145), assuming emissions scenario B2, Hadley3 GCM, contemporary harvest rates and intensity 27_Minnesota_FileGDB_10 USGS Topo Map Vector Data (Vector) 27285 Maiden Rock, Wisconsin 20190325 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 6025 Buffalo Center, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 11294 Danbury West, Wisconsin 20190326 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 24555 Lake Mills, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 32874 Ocheyedan, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 33531 Osceola, Wisconsin 20190326 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36367 Prescott, Wisconsin 20190326 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 42809 Stacyville, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS NED 1/3 arc-second Contours for La Crosse W, Wisconsin 20181121 1 X 1 degree FileGDB 10.1 USGS Topo Map Vector Data (Vector) 27285 Maiden Rock, Wisconsin 20190325 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 6025 Buffalo Center, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 11294 Danbury West, Wisconsin 20190326 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 24555 Lake Mills, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 32874 Ocheyedan, Iowa 20190321 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 33531 Osceola, Wisconsin 20190326 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36367 Prescott, Wisconsin 20190326 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 42809 Stacyville, Iowa 20190321 for 7.5 x 7.5 minute Shapefile USGS NED 1/3 arc-second Contours for La Crosse W, Wisconsin 20181121 1 X 1 degree FileGDB 10.1 Minnesota (USA) Climate Change Project: Sugar Maple at Year 150 (2145), assuming emissions scenario B2, Hadley3 GCM, contemporary harvest rates and intensity Minnesota (USA) Climate Change Project: White Pine at Year 100 (2095), assuming emissions scenario B2, Hadley3 GCM, contemporary harvest rates and intensity Minnesota (USA) Climate Change Project: Jack Pine at Year 50 (2045), assuming emissions scenario B2, Hadley3 GCM, restoration harvest rates and intensity 27_Minnesota_FileGDB_10 Flood reduction through wetand restoration: the Upper Mississippi River Basin as a case history.