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Investigations of coastal change and coastal resources often require continuous elevation profiles from the seafloor to coastal terrestrial landscapes. Differences in elevation data collection in the terrestrial and marine environments result in separate elevation products that may not share a vertical datum. This data release contains the assimilation of multiple elevation products into a continuous digital elevation model at a resolution of 3-arcseconds (approximately 90 meters) from the terrestrial landscape to the seafloor for the contiguous U.S., focused on the coastal interface. All datasets were converted to a consistent horizontal datum, the North American Datum of 1983, but the native vertical datum for...
Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alabama, CMGP, California, Canadian Hydrographic Service, Chesapeake Bay, All tags...
This dataset consists of the current distribution (2000s) of mangrove forests in the southeastern U.S. This dataset was created from the current best available mangrove data on a state specific basis. Florida mangrove data was extracted from Florida Landuse Land Cover Classification System (FLUCCS). For Louisiana, we used observations of mangrove stands from aerial surveys by Michot et al. (2010). Mangrove presence in Texas came from maps produced by Sherrod & McMillan (1981) and the NOAA Benthic Habitat Atlas of Coastal Texas (Finkbeiner et al. 2009). Please note that this map depicts the distribution of mangrove forests and not mangrove individuals. More detailed information on this dataset is available in Osland...
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Field spikes were prepared at 207 stream and river sites as part of the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA) project between December, 2012, and September, 2015. At the field site, a depth-and width-integrated environmental sample was collected, and one subsample of the environmental sample was spiked with a known amount of a spike mixture. Both the spiked subsample ("spike sample") and another subsample ("environmental sample") of the original water sample were analyzed for pesticides at the USGS National Water Quality Laboratory (NWQL) by direct injection liquid chromatography with tandem mass spectrometry (LC-MS/MS), and were used to calculate the spike recovery of each analyte....


map background search result map search result map Elevation artifacts in digital bathymetric and topographic models for United States east (east_cdem_v1.tif) and west (west_cdem_v.tif) coasts (polygon shapefile, geographic, NAD83) USGS Topo Map Vector Data (Vector) 964 Andalusia, Alabama 20180619 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 21614 Huxford, Alabama 20180619 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 1286 Arab, Alabama 20180619 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 1747 Athens, Alabama 20180619 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 12361 Dixie, Alabama 20180619 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 44347 Tattlersville, Alabama 20180619 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 46346 Union Hill, Alabama 20180619 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 5633 Brooks, Alabama 20180619 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 14918 Falkville, Alabama 20180619 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 16947 Gaston, Alabama 20180619 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16993 Gaylesville, Alabama 20180619 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 27242 Magnolia, Alabama 20180619 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 43058 Steelwood Lake, Alabama 20180619 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 46042 Tuskegee, Alabama 20180619 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 46052 Tutwiler School, Alabama 20180619 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 49820 Woodstock, Alabama 20180619 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 49471 Wing, Alabama 20180620 for 7.5 x 7.5 minute FileGDB 10.1 Elevation artifacts in digital bathymetric and topographic models for United States east (east_cdem_v1.tif) and west (west_cdem_v.tif) coasts (polygon shapefile, geographic, NAD83)