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Louisiana Outer Coast Restoration Project – 2025 habitat map, Shell Island Louisiana Outer Coast Restoration Project – 2025 habitat map, Shell Island
This data release includes 2025 data for the Louisiana Outer Coast Restoration Project for Shell Island. Specifically, this data release includes a detailed habitat map, general habitat map, and georeferenced imagery. These habitat maps are developed using the methods and classification scheme from Louisiana Coastal Protection and Restoration Authority’s (CPRA) Barrier Island...
Time-Depth Recorder Data from Sea Otters in Western Prince William Sound, Alaska Time-Depth Recorder Data from Sea Otters in Western Prince William Sound, Alaska
Sea otters within the northern Knight Island complex of western Prince William Sound (WPWS), Alaska, where lingering oil from the 1989 Exxon Valdez oil spill and delayed ecosystem recovery was well documented, were targeted for study to: (1) describe the extent of intertidal foraging, and (2) estimate rates at which they encountered lingering oil while foraging (Bodkin et al. 2012).
USGS National and Global Oil and Gas Assessment Project—Northern Alaska Province Conventional Gas Resources—Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables USGS National and Global Oil and Gas Assessment Project—Northern Alaska Province Conventional Gas Resources—Assessment Unit Boundaries, Assessment Input Data, and Fact Sheet Data Tables
This data release contains the boundaries of assessment units and input data for the assessment of undiscovered conventional gas resources of the North Slope Province of Arctic Alaska. The assessment unit is the fundamental unit used in the National and Global Oil and Gas Assessment (NAGA) Project for the assessment of undiscovered oil and gas resources. The assessment unit is defined...
Luminescence Data for Multiple Episodes of Quaternary Displacement on the Meeman-Shelby Fault, Eastern Arkansas Luminescence Data for Multiple Episodes of Quaternary Displacement on the Meeman-Shelby Fault, Eastern Arkansas
The luminescence data consists of 14 cores that provide the geochronology of the eastern principal fault of the Meeman-Shelby horst. The M-S fault has ~ 23 m of down-to-the-east displacement on the base of 16.2 ka Pleistocene alluvium, and 10 m of this displacement occurred between ~ 16.2 ka and ~ 12.7 ka, with an average vertical slip rate of 2.9 mm/yr. The base of the 12.7 ka Holocene...
Luminescence Data for: Decoding the Record of Sediment Availability from Barrier Island Geomorphology at Fire Island, New York Luminescence Data for: Decoding the Record of Sediment Availability from Barrier Island Geomorphology at Fire Island, New York
This report summarizes the dating results from sedimentary deposits sampled by the Coastal and Marine Science Center and analyzed at the USGS Luminescence Geochronology Laboratory. Within this report, we detail the luminescence measurement, equivalent dose determination, and dating-related calculations. We recommend that this report be included as the supplementary material for any...
Luminescence and Radiocarbon Data for the Little Salmon Fault Zone within the Southern Cascadia Subduction Zone Luminescence and Radiocarbon Data for the Little Salmon Fault Zone within the Southern Cascadia Subduction Zone
The Little Salmon Fault zone (LSF) is a principal upper-plate fault within the SCSZ that daylights approximately 18-22 km above the shallowly dipping megathrust interface at latitude ~40.5°N. This data release contains luminescence data from five samples and radiocarbon data from fifteen samples collected from a fault-perpendicular trench across the LSF. These samples, which produced...
Luminescence, Radiocarbon, and Pollen data for a Geomorphic Investigation of the Chalk Hill Site, Northern Rodgers Creek Fault near Windsor, California Luminescence, Radiocarbon, and Pollen data for a Geomorphic Investigation of the Chalk Hill Site, Northern Rodgers Creek Fault near Windsor, California
Data release containing luminescence data for five samples, radiocarbon data for six samples, and one pollen count associated with three paleoseismic trenches at the Chalk Hill site on the northern section of the Rodgers Creek Fault, part of the dextral San Andreas fault system in northern California. We document at least three active fault strands of the northern Rodgers Creek Fault...
2016-2026 Annual Net Primary Production (ANPP) mapping of Badlands National Park 2016-2026 Annual Net Primary Production (ANPP) mapping of Badlands National Park
Annual Aboveground Net Primary Production (ANPP) is the net aboveground primary production in a given area in a calendar year. As such, it is a key metric of ecosystem health, carbon cycling, and the amount of energy available to herbivores. We model ANPP for Badlands National Park and surrounding region by combining field-measured herbaceous biomass data, Harmonized Landsat Sentinel...
Landsat cloud masks in western South Dakota Landsat cloud masks in western South Dakota
This dataset contains masks for six Landsat scenes in the northern U.S. Great Plains. Masks were created manually to enable analysis of the entire available time series (April-October, 1972-2015). Automatic cloud masking was used as a starting point, with data from the Fmask masking algorithm available for reference. Automatic masks were then edited by hand (by the author) to reduce...
High-resolution mapping survey and vertical profiles of water quality, nitrate, and chlorophyll fluorescence in the lower Sacramento River (California, USA) High-resolution mapping survey and vertical profiles of water quality, nitrate, and chlorophyll fluorescence in the lower Sacramento River (California, USA)
The Sacramento River supplies most of the freshwater to the Sacramento-San Joaquin Delta (Delta). Phytoplankton are an important food source for zooplankton and pelagic fish in the Delta. Using a boat-based flow-through system, water quality parameters were mapped along the Sacramento River on August 11, 2025. The mapping began at Tisdale Weir, north of Sacramento, and extended...
Historical and Future Projections of Spring Phenology and False Springs in the South Central United States (1981 - 2099) Historical and Future Projections of Spring Phenology and False Springs in the South Central United States (1981 - 2099)
The dataset contains historical simulations and future projections of multiple variables from the extended spring indices (SIx) and (false spring exposure indices). The SIx variables included are the first leaf index (FLI), first bloom index (FBI), damage index (DMG), and day of last freeze in the spring (lastfreeze). The false spring indices include an indicator for early or late false...
Landslide susceptibility and shaded-relief data for the Utuado Municipio, Puerto Rico Landslide susceptibility and shaded-relief data for the Utuado Municipio, Puerto Rico
This data release provides basemap and landslide susceptibility raster data as described in Brien, D.L., Reid, M.E., Baum, R.L., Schulz, W.H., Cronkite-Ratcliff, C., Tello, M.J., and Perkins, J.P., 2026, Map depicting susceptibility to landslide hazards triggered by prolonged intense rainfall, Utuado Municipio, Puerto Rico: U.S. Geological Survey Scientific Investigations Map 3546, 1...