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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.
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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.
Prior research has shown that sediment budgets, and therefore stability, of microtidal marsh complexes scale with areal unvegetated to vegetated marsh ratios (UVVR) suggesting these metrics are broadly applicable indicators of microtidal marsh vulnerability. This effort has developed the UVVR metric using readily available satellite imagery for the coastal areas of the contiguous United States (CONUS). These datasets provide annual averages of 1) developed, 2) vegetated, 3) unvegetated ratios and 4) an unvegetated to vegetated ratio (UVVR) at 30-meter resolution over the coastal areas of the contiguous United States for the years 2014-2018. Additionally, multi-year average values of vegetated ratio, its standard...
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This dataset, termed "GAGES II", an acronym for Geospatial Attributes of Gages for Evaluating Streamflow, version II, provides geospatial data and classifications for 9,322 stream gages maintained by the U.S. Geological Survey (USGS). It is an update to the original GAGES, which was published as a Data Paper on the journal Ecology's website (Falcone and others, 2010b) in 2010. The GAGES II dataset consists of gages which have had either 20+ complete years (not necessarily continuous) of discharge record since 1950, or are currently active, as of water year 2009, and whose watersheds lie within the United States, including Alaska, Hawaii, and Puerto Rico. Reference gages were identified based on indicators that they...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Alabama, Alaska, All 50 states, Arizona, Arkansas, All tags...


map background search result map search result map GAGES-II: Geospatial Attributes of Gages for Evaluating Streamflow Aeromagnetic data for Sherbrooke-Lewiston, New Hampshire USGS Topo Map Vector Data (Vector) 7110 Canton, Maine 20180717 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 30887 Mount Waldo, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 32646 Number Nine Lake, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 36677 Pushaw Lake, Maine 20180717 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 76591 Old Man, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 36677 Pushaw Lake, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 2174 Baker Lake, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 22780 Jonesport, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 30496 Mount Blue, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 30529 Mount Chase, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 31277 Nahmakanta Stream, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 32293 Norris Brook, Maine 20180717 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 48001 Weld, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS NED 1/3 arc-second Contours for Bangor E, Maine 20180620 1 X 1 degree FileGDB 10.1 USGS NED 1/3 arc-second Contours for Edmundston W, Maine 20180618 1 X 1 degree Shapefile An Unvegetated to Vegetated Ratio (UVVR) for coastal wetlands of the United States - 2016 USGS Topo Map Vector Data (Vector) 7110 Canton, Maine 20180717 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 30887 Mount Waldo, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 32646 Number Nine Lake, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 36677 Pushaw Lake, Maine 20180717 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 76591 Old Man, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 36677 Pushaw Lake, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 2174 Baker Lake, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 22780 Jonesport, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 30496 Mount Blue, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 30529 Mount Chase, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 31277 Nahmakanta Stream, Maine 20180717 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 32293 Norris Brook, Maine 20180717 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 48001 Weld, Maine 20180717 for 7.5 x 7.5 minute Shapefile Aeromagnetic data for Sherbrooke-Lewiston, New Hampshire USGS NED 1/3 arc-second Contours for Bangor E, Maine 20180620 1 X 1 degree FileGDB 10.1 USGS NED 1/3 arc-second Contours for Edmundston W, Maine 20180618 1 X 1 degree Shapefile An Unvegetated to Vegetated Ratio (UVVR) for coastal wetlands of the United States - 2016 GAGES-II: Geospatial Attributes of Gages for Evaluating Streamflow