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Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA recent views
Department of the Interior —
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... -
Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection recent views
Department of the Interior —
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography... -
Federal
Elevation of marsh units in Massachusetts salt marshes recent views
Department of the Interior —
This data release contains coastal wetland synthesis products for Massachusetts, developed in collaboration with the Massachusetts Office of Coastal Zone Management.... -
Federal
Conceptual marsh units of north shore Long Island salt marsh complex, New York recent views
Department of the Interior —
This data release contains coastal wetland synthesis products for the geographic region of north shore Long Island, New York. Metrics for resiliency, including... -
Federal
Elevation of marsh units in Connecticut salt marshes recent views
Department of the Interior —
This data release contains coastal wetland synthesis products for the state of Connecticut. Metrics for resiliency, including the unvegetated to vegetated ratio... -
Federal
Elevation of marsh units in Blackwater salt marsh complex, Chesapeake Bay, Maryland recent views
Department of the Interior —
This data release contains coastal wetland synthesis products for the geographic region of Blackwater salt marsh complex, Chesapeake Bay, Maryland. Metrics for... -
Federal
Shoreline change rates in salt marsh units in Edwin B. Forsythe National Wildlife Refuge, New Jersey recent views
Department of the Interior —
Monitoring shoreline change is of interest in many coastal areas because it enables quantification of land loss over time. Evolution of shoreline position is... -
Federal
Conceptual marsh units for Jamaica Bay to western Great South Bay salt marsh complex, New York recent views
Department of the Interior —
This data release contains coastal wetland synthesis products for the geographic region from Jamaica Bay to western Great South Bay, located in southeastern New York... -
Federal
Unvegetated to vegetated marsh ratio in Cape Cod National Seashore salt marsh complex, Massachusetts recent views
Department of the Interior —
Unvegetated to vegetated marsh ratio (UVVR) in the Cape Cod National Seashore (CACO) salt marsh complex and approximal wetlands is computed based on conceptual marsh... -
Federal
Elevation of marsh units in Chesapeake Bay salt marshes recent views
Department of the Interior —
This data release contains coastal wetland synthesis products for Chesapeake Bay. Metrics for resiliency, including unvegetated to vegetated ratio (UVVR), marsh... -
Federal
Intersection points used to calculate rate of shoreline change statistics for New York State coastal wetlands recent views
Department of the Interior —
This data set contains intersection points used to compute rate of change statistics for New York State coastal wetlands. Analysis was performed in ArcMap 10.5.1... -
Federal
Mean tidal range of marsh units in Eastern Shore of Virginia salt marshes recent views
Department of the Interior —
This data release contains coastal wetland synthesis products for the Atlantic-facing Eastern Shore of Virginia (the data release for the Chesapeake Bay-facing... -
Federal
Conceptual marsh units of salt marshes on the Eastern Shore of Virginia recent views
Department of the Interior —
This data release contains coastal wetland synthesis products for the Atlantic-facing Eastern Shore of Virginia (the data release for the Chesapeake Bay-facing... -
Federal
Unvegetated to vegetated ratio of marsh units in Massachusetts salt marshes recent views
Department of the Interior —
This data release contains coastal wetland synthesis products for Massachusetts, developed in collaboration with the Massachusetts Office of Coastal Zone Management.... -
Federal
Raster image of mean tidal range in the Edwin B. Forsythe National Wildlife Refuge, New Jersey (32-bit GeoTIFF) recent views
Department of the Interior —
Biomass production is positively correlated with mean tidal range in salt marshes along the Atlantic coast of the United States of America. Recent studies support the... -
Federal
Mean tidal range of marsh units in Chesapeake Bay salt marshes recent views
Department of the Interior —
This data release contains coastal wetland synthesis products for Chesapeake Bay. Metrics for resiliency, including unvegetated to vegetated ratio (UVVR), marsh... -
Federal
Color-hillshade relief GeoTIFF image of the Potomac River/Chesapeake Bay Area (CLRHSHD_POTO_GEO.TIF, Geographic, NAD83) recent views
Department of the Interior —
In order to test hypotheses about groundwater flow under and into Chesapeake Bay, geophysical surveys were conducted by U.S. Geological Survey (USGS) scientists on... -
Federal
Estuarine drainage area boundaries for the conterminous United States recent views
Department of the Interior —
To quantify the potential for landward migration at the estuary level, we developed a geospatial dataset for the conterminous United States (CONUS) that identifies... -
Federal
Inferred hydrodynamic residence time in salt marsh units in Edwin B. Forsythe National Wildlife Refuge, New Jersey recent views
Department of the Interior —
As part of the Hurricane Sandy Science Plan, the U.S. Geological Survey is expanding National Assessment of Coastal Change Hazards and forecast products to coastal... -
Federal
Exposure potential of marsh units to environmental health stressors in Connecticut salt marshes recent views
Department of the Interior —
This data release contains coastal wetland synthesis products for the state of Connecticut. Metrics for resiliency, including the unvegetated to vegetated ratio...