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Projections of compound floodwater depths for the lower Nooksack River and...
Computed flood depths associated with the combined influence of sea level position, tides, storm surge, and streamflow under existing conditions and projected future higher sea... -
EnviroAtlas - Portland, OR - People and Land Cover in Floodplains by Block Group
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% Annual... -
Shoreline change at Alaska coastal communities, Elim, Alaska
The Division of Geological & Geophysical Surveys has analyzed long-term shoreline change at 48 Alaska communities. Shoreline datasets were compiled from previously published... -
Shoreline change at Alaska coastal communities, Kwigillingok, Alaska
The Division of Geological & Geophysical Surveys has analyzed long-term shoreline change at 48 Alaska communities. Shoreline datasets were compiled from previously published... -
MD iMAP: Preliminary FEMA Floodplain
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 Insurance... -
Population Trends in Hazard Zones
Detailed tables (and some maps) at the county level of aggregation supporting figures and tables from Titus, James. G. "Population in floodplains or close to sea level increased... -
Erosion and deposition for Fanno Creek, Oregon 2012
In 2010, the U.S. Geological Survey (USGS) began investigating the sources and sinks of organic matter in Fanno Creek, a tributary of the Tualatin River, Oregon. Organic matter,... -
Shoreline change at Alaska coastal communities, Alakanuk, Alaska
The Division of Geological & Geophysical Surveys has analyzed long-term shoreline change at 48 Alaska communities. Shoreline datasets were compiled from previously published... -
EnviroAtlas - Woodbine, IA - People and Land Cover in Floodplains by Block Group
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% Annual... -
Surficial-geologic map of the Salcha River-Pogo area, Big Delta Quadrangle, Alaska
Surficial-geologic map of the Salcha River-Pogo area, Big Delta Quadrangle, Alaska, Report of Investigation 2004-1C, illustrates the distribution of unconsolidated deposits and... -
Geospatial and survey data for flood-inundation maps in a 23-mile reach of...
Digital flood-inundation maps were created by the U.S. Geological Survey (USGS) in cooperation with the Bandera County River Authority and Groundwater District and with the... -
LittleGunpowderFalls Shapefiles depicting the 2D HEC-RAS hydraulic modeling domains
The shapefiles depict the 2D HEC-RAS hydraulic modeling domains used for the simulations described in the associated publication. Model domains were delineated in the HEC-RAS... -
Gap to gap region data: soil, water level, modflow output hyporheic flow...
. In this study Light Detection and Ranging (LiDAR) data were used along with the head data from observation wells and stage data from rivers to setup and calibrate a... -
Shallow Sediment Geochemistry in a Mercury-Contaminated Multi-Habitat...
The Cache Creek Settling Basin (CCSB) is a 13.3 km2 leveed basin located at the terminal drainage of the Cache Creek watershed, immediately NE of the town of Woodland (Yolo... -
Shoreline change at Alaska coastal communities, Teller, Alaska
The Division of Geological & Geophysical Surveys has analyzed long-term shoreline change at 48 Alaska communities. Shoreline datasets were compiled from previously published... -
Model Archive of the flood-inundation maps for North Fork Salt Creek at...
Digital flood-inundation maps for a 3.4-mile reach of North Fork Salt Creek at Nashville, Indiana, were created by the U.S. Geological Survey (USGS) in cooperation with the... -
Loudoun Floodplain
More Metadata Maintenance and Update Frequency: Floodplain boundaries are updated by Building and Development staff as detailed floodplain studies are submitted and floodplain... -
Orthorectified mosaic photograph of a portion of the Arkansas River at...
Aerial images in the vicinity of USGS gaging station #07094500 Arkansas River at Parkdale, Colorado were collected on March 20-22, 2018, using Unmanned Aircraft Systems (UAS, or... -
Photogrammetry-derived orthoimagery and elevation for Napakiak, Alaska,...
The Alaska Division of Geological & Geophysical Surveys (DGGS) collected low-altitude aerial images from an unmanned aerial vehicle (UAV) on June 30, 2021 and used Structure-... -
Database of Riparian Floodplain Boundaries for the San Carlos and Gila...
We developed this spatial database of historic and current floodplains to analyze trends in vegetation conditions, identify areas more at risk of degradation, and assess the...