270 datasets found
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Federal
Seneca Shapefiles depicting the valley bottom areas.
Department of the Interior —
The shapefiles depict the valley bottom areas over which HEC-RAS model results were summarized. Valley bottoms were manually delineated in ArcMap by visually... -
Federal
Patuxent Terrain models
Department of the Interior —
Terrain models representing river channel and terrestrial surface elevations were developed for use in 2D hydraulic modeling with HEC-RAS software. Channel bed... -
Federal
Database of Riparian Floodplain Boundaries for the San Carlos and Gila Rivers on the San Carlos Apache Reservation and Upper Gila River Watershed (1935 - 2021)
Department of the Interior —
We developed this spatial database of historic and current floodplains to analyze trends in vegetation conditions, identify areas more at risk of degradation, and... -
Federal
Two-dimensional unsteady state HEC–RAS model to create flood-inundation maps for selected reaches of the Sabinal River and the West Sabinal River near Utopia, Texas, 2021
Department of the Interior —
This data release documents the digital data used to produce flood-inundation maps for a range of gage heights (stages) for the Sabinal River near Utopia, Tex. The... -
Floodplain FIRM Panels
District of Columbia —
Location and attributes for FIRM hardcopy map panels. The spatial entities representing FIRM panels are polygons. The polygon for the FIRM panel corresponds to the... -
State
Field station locations and magnetic susceptibility data for the Yukon River Crossing Project, Alaska, collected June-July 2016
State of Alaska —
Field station locations and magnetic susceptibility data for the Yukon River Crossing Project, Alaska, collected June-July 2016, Raw Data File 2025-22, provides field... -
State
Shoreline change at Alaska coastal communities, Kipnuk, Alaska
State of Alaska —
The Division of Geological & Geophysical Surveys has analyzed long-term shoreline change at 48 Alaska communities. Shoreline datasets were compiled from... -
Rhode Island Avenue Metro Underpass Flood Hazard Area
District of Columbia —
On August 14, 2023, approximately 2 inches of rain fell in less than an hour at this location, flooding the underpass, stranding cars, and filling a pet daycare... -
Federal
Protein Phosphatase 2A screening of extracted sediments for samples collected for the Sediment-Bound Contaminant Resiliency and Response Strategy pilot study, northeastern United States, 2015.
Department of the Interior —
Coastal communities are uniquely vulnerable to sea-level rise and severe storms such as hurricanes. These events enhance the dispersion and concentration of natural... -
Federal
EnviroAtlas - Des Moines, IA - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
Federal
Model input files for the lower Nooksack River and delta, western Washington State
Department of the Interior —
This data set consists of physics-based Delft3D-Flexible Mesh hydrodynamic model input files that are used to simulate compound flood exposure of the lower Nooksack... -
Federal
Missouri River 2011 Regional Sand Floodplain
Department of the Interior —
This is a polygon coverage of sand deposits from the 2011 Missouri River flood. The polygon coverages were compiled from classification of 26 multispectral SPOT... -
Federal
Model Archive of the flood-inundation maps for the White River at Noblesville, Indiana
Department of the Interior —
Digital flood-inundation maps for a 7.5-mile reach of the White River at Noblesville, Indiana, were created by the U.S. Geological Survey (USGS) in cooperation with... -
Federal
Depth grids of the flood-inundation maps for the White River at Noblesville, Indiana
Department of the Interior —
Digital flood-inundation maps for a 7.5-mile reach of the White River at Noblesville, Indiana, were created by the U.S. Geological Survey (USGS) in cooperation with... -
Federal
Post-restoration soils P release during experimental flood in laboratory and physico-chemistry data for study along Pocomoke River, Maryland, evaluating the effectiveness of floodplain reconnection on water quality function.
Department of the Interior —
Input and release of phosphate, nitrate, and ammonium measured using stacked ion-exchange resin bags on top of soil in floodplains along Pocomoke River, Maryland, in... -
State
Shoreline change at Alaska coastal communities, Dillingham, Alaska
State of Alaska —
The Division of Geological & Geophysical Surveys has analyzed long-term shoreline change at 48 Alaska communities. Shoreline datasets were compiled from... -
Federal
EnviroAtlas - Virginia Beach/Williamsburg, VA - People and Land Cover in Floodplains by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the total counts and percentage of population, land area, and impervious surface in the 1% Annual Chance Flood Hazard area or 0.2%... -
State
MD iMAP: Effective FEMA Floodplain
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The DFIRM Database presents the flood risk information depicted on a given Flood... -
State
Shoreline change at Alaska coastal communities, Stebbins, Alaska
State of Alaska —
The Division of Geological & Geophysical Surveys has analyzed long-term shoreline change at 48 Alaska communities. Shoreline datasets were compiled from... -
State
Photogrammetry-derived orthoimagery and elevation data for Golovin, Alaska, collected August 28, 2019
State of Alaska —
The Alaska Division of Geological & Geophysical Surveys (DGGS) collected low-altitude aerial images from an unmanned aerial vehicle (UAV) on August 28, 2019, and...
270 datasets found