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Coastal communities are uniquely vulnerable to sea-level rise (SLR) and severe storms such as hurricanes. These events enhance the dispersion and concentration of natural and anthropogenic chemicals and pathogenic microorganisms that could adversely affect the health and resilience of coastal communities and ecosystems in coming years. The U.S. Geo­logical Survey has developed the Sediment-Bound Contaminant Resiliency and Response (SCoRR) strategy to define baseline and post-event sediment-bound environmental health (EH) stressors. These data document toxicity measured by reduction of the light emission of Aliivibrio (formerly Photobacterium) fischeri and the inhibition of polymerase chain reactions caused by environmental...
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The Satellite View of the Conterminous United States, with Shaded Relief map layer is a 200-meter-resolution simulated-natural-color image of the United States. Vegetation is generally green, with forests in darker green and grasslands or shrublands in lighter green. Areas of high reflectance, including urban areas, rock, and dry bare soil, are shown in shades of pink. Very bright areas, such as snow and ice, are colored blue. The image was produced by combining Landsat Thematic Mapper (TM) imagery from the Landsat 4 and Landsat 5 satellites with relief enhanced by shading. This map layer was previously distributed as Satellite View of the Conterminous United States.
Types: Citation; Tags: Small-scale Datasets, District of Columbia, Missouri, Mississippi, Topographic, All tags...
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The color conterminous United States shaded relief data were derived from National Elevation Dataset (NED) data, and show the terrain of the conterminous United States at a resolution of 200 meters. The NED is a raster product assembled by the U.S. Geological Survey, designed to provide national elevation data in a seamless form with a consistent datum, elevation unit, and projection. Data corrections made in the NED assembly process minimize artifacts, permit edge matching, and fill sliver areas of missing data. The National Atlas also includes a Lambert Azimuthal Equal Area projection shaded relief file; this file is the same data in an Albers projection.
Types: Citation; Tags: Small-scale Datasets, District of Columbia, Missouri, Mississippi, Topographic, All tags...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Types: Citation; Tags: Flow direction network, boundaries, Cumberland County, Delaware, National Hydrography Dataset (NHD), All tags...
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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water...
Types: Citation; Tags: Flow direction network, boundaries, Delaware, National Hydrography Dataset (NHD), Gaging Station, All tags...
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This map layer shows tornado touchdown points in the United States, PuertoRico, and the U.S. Virgin Islands, from 1950 to 2004. Statistical datawere obtained from the National Weather Service, Storm Prediction Center(SPC). The SPC data originate from the Severe Thunderstorm Database andthe National Oceanic and Atmospheric Administration (NOAA) Storm Datapublication.


map background search result map search result map United States Tornado Touchdown Points 1950-2004 1:1,000,000-Scale Ferries of the United States 1:1,000,000-Scale Scale Ports of the United States USGS Small-scale Dataset - Satellite View of the Conterminous United States, with Shaded Relief 200512 GeoTIFF USGS Small-scale Dataset - Color Conterminous United States Shaded Relief - 200-Meter Resolution, Albers projection 200603 GeoTIFF USGS National Hydrography Dataset (NHD) Best Resolution 20170901 for State or Territory FileGDB 10.1 Model Version 2.2.1 USGS National Hydrography Dataset (NHD) Best Resolution 20170830 for State or Territory FileGDB 10.1 Model Version 2.2.1 USGS US Topo 7.5-minute map for Bethany Beach, DE 2016 USGS US Topo 7.5-minute map for Seaford East, DE 2016 USGS US Topo 7.5-minute map for Bloomville, NY 2016 USGS US Topo 7.5-minute map for Olive Green, OH 2016 USGS 1:62500-scale Quadrangle for Delaware, OH 1944 Matrix inhibition PCR and Microtox® 81.9% screening assay analytical results for samples collected for the Sediment-Bound Contaminant Resiliency and Response Strategy pilot study, northeastern United States, 2015 USGS US Topo 7.5-minute map for Colcord NE, AR-OK-MO 2017 USGS Topo Map Vector Data (Vector) 3353 Bennetts Pier, Delaware 20170225 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 11846 Delaware City, Delaware 20170222 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 19415 Harrington, Delaware 20170309 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 29128 Middletown, Delaware 20170225 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 44400 Taylors Bridge, Delaware 20170222 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 72035 Whaleyville, Maryland 20170226 for 7.5 x 7.5 minute FileGDB 10.1 USGS US Topo 7.5-minute map for Bethany Beach, DE 2016 USGS US Topo 7.5-minute map for Seaford East, DE 2016 USGS US Topo 7.5-minute map for Bloomville, NY 2016 USGS US Topo 7.5-minute map for Olive Green, OH 2016 USGS US Topo 7.5-minute map for Colcord NE, AR-OK-MO 2017 USGS Topo Map Vector Data (Vector) 3353 Bennetts Pier, Delaware 20170225 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 11846 Delaware City, Delaware 20170222 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 19415 Harrington, Delaware 20170309 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 29128 Middletown, Delaware 20170225 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 44400 Taylors Bridge, Delaware 20170222 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 72035 Whaleyville, Maryland 20170226 for 7.5 x 7.5 minute FileGDB 10.1 USGS 1:62500-scale Quadrangle for Delaware, OH 1944 USGS National Hydrography Dataset (NHD) Best Resolution 20170901 for State or Territory FileGDB 10.1 Model Version 2.2.1 USGS National Hydrography Dataset (NHD) Best Resolution 20170830 for State or Territory FileGDB 10.1 Model Version 2.2.1 Matrix inhibition PCR and Microtox® 81.9% screening assay analytical results for samples collected for the Sediment-Bound Contaminant Resiliency and Response Strategy pilot study, northeastern United States, 2015 USGS Small-scale Dataset - Color Conterminous United States Shaded Relief - 200-Meter Resolution, Albers projection 200603 GeoTIFF USGS Small-scale Dataset - Satellite View of the Conterminous United States, with Shaded Relief 200512 GeoTIFF United States Tornado Touchdown Points 1950-2004 1:1,000,000-Scale Ferries of the United States 1:1,000,000-Scale Scale Ports of the United States