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Digital database of a 3D Geological Model of the Powder River Basin and Williston Basin Regions, USA Digital database of a 3D Geological Model of the Powder River Basin and Williston Basin Regions, USA
This digital GIS dataset and accompanying nonspatial files synthesize model outputs from a regional-scale volumetric 3-D geologic model that portrays the generalized subsurface geology of the Powder River Basin and Williston Basin regions from a wide variety of input data sources. The study area includes the Hartville Uplift, Laramie Range, Bighorn Mountains, Powder River Basin, and...
Monthly twelve-digit hydrologic unit code aggregations of the WRF-Hydro modeling application with CONUS404BA Atmospheric Forcings, 2009-2021 (ver. 2.0, July 2025) Monthly twelve-digit hydrologic unit code aggregations of the WRF-Hydro modeling application with CONUS404BA Atmospheric Forcings, 2009-2021 (ver. 2.0, July 2025)
This data release contains key variables from the Weather Research and Forecasting Hydrological Modeling (WRF-Hydro) application forced with the CONUS404 climate forcing variable subset for hydrologic models that was downscaled to one-kilometer and bias-adjusted for precipitation and temperature (CONUS404BA) from water year 2010 through water year 2021 that are summarized to a monthly...
Digitized Legacy Maps of Surficial Geology and Morphology of the Central Arctic Coastal Plain, Alaska Digitized Legacy Maps of Surficial Geology and Morphology of the Central Arctic Coastal Plain, Alaska
This dataset represents a digitized version of the Rawlinson 1993 surficial geologic map of the Flaxman Island and Beechey Point quadrangles, and portions of the Mount Michelson and Harrison Bay quadrangles at 1:63,360 scale. In this newly digitized version of the map, the original maps were scanned, georeferenced, and projected into GIS. Approximately 100-200 typographic and labelling...
Precariously balanced rock data from northern New York and Vermont, USA Precariously balanced rock data from northern New York and Vermont, USA
This work describes observations of boulders and their pedestals at five sites in New York and Vermont, which are used to calculate scaling factors for the 2023 time-independent National Seismic Hazard Model site-specific hazard curves (Petersen, M.D., Shumway, A.M., Powers, P.M., Field, E.H., Moschetti, M.P., Jaiswal, K.S., Milner, K.R., Rezaeian, S., Frankel, A.D., Llenos, A.L. and...
Tennessee Karst Groundwater Dye Tracing Water Year 2023 Tennessee Karst Groundwater Dye Tracing Water Year 2023
Karst hydrologic systems are important resources in the state of Tennessee both as drinking water resources and as centers for possible biological diversity. These systems are susceptible to contamination due to the inherent connectivity between surface water and groundwater systems in karst systems. A partnership between the U.S. Geological Survey (USGS) and Tennessee Department of...
Current and projected sagebrush ecological integrity across the Western U.S., 2017-2100 (ver. 2.0, February 2025) Current and projected sagebrush ecological integrity across the Western U.S., 2017-2100 (ver. 2.0, February 2025)
Understanding how climate change will contribute to ongoing declines in sagebrush ecological integrity is critical for informing natural resource management. We assessed potential future changes in sagebrush ecological integrity under a range of scenarios using an individual plant-based simulation model, integrated with remotely sensed estimates of current sagebrush ecological integrity...
Data Collected to Evaluate Sources, Fate, and Mobility of Per- and Polyfluoroalkyl Substances (PFAS) at Cannon Air Force Base, New Mexico Data Collected to Evaluate Sources, Fate, and Mobility of Per- and Polyfluoroalkyl Substances (PFAS) at Cannon Air Force Base, New Mexico
Soil, soil porewater, groundwater, and playa lake sediment samples were collected between September 2021 and November 2023 at Cannon Air Force Base (CAFB) in eastern New Mexico as part of a study on the sources, fate, and transport of per- and polyfluoroalkyl substances (PFAS). Soil cores (2-foot-long) were collected in September 2021 from six sites that were potential PFAS source areas...
Preserving Tree-Ring Datasets for Climate and Hazard Research and Understanding Societal Impacts: Colorado Fire, Climate, Humans Preserving Tree-Ring Datasets for Climate and Hazard Research and Understanding Societal Impacts: Colorado Fire, Climate, Humans
Culebra Range of the Sangre de Cristo Mountains, Colorado. Sample Collection: Ponderosa pine (Pinus ponderosa), Douglas-fir (Pseudotsuga menziesii), Bristlecone pine (Pinus aristate), and Limber pine (Pinus flexilis) living in lower and upper montane slopes of the Culebra Range (~Latitude 37˚N, ~Longitude -105˚W WGS84). The Fire-Climate-Human NGGDPP archive collection was obtained in two...
Downscaled Climate Projections for the Edwards Aquifer Region (EAR) using CMIP5 for the years 2006 – 2010 and CMIP6 for the years 2015 - 2010 Downscaled Climate Projections for the Edwards Aquifer Region (EAR) using CMIP5 for the years 2006 – 2010 and CMIP6 for the years 2015 - 2010
Global climate models (GCMs) are computationally intensive, physics-based research tools used to simulate the climate system. GCM can also be useful in applied research contexts with the use of statistical downscaling techniques. This collection of statistically downscaled climate projections includes 7 sets of SD-processed CMIP5 projections and 12 sets of SD-processed CMIP6 projections...
Assessment of Mercury, Mercury Stable Isotopes, and Trace Metals in Waters, Sediments, and Biota from Great Salt Lake, Utah Assessment of Mercury, Mercury Stable Isotopes, and Trace Metals in Waters, Sediments, and Biota from Great Salt Lake, Utah
Great Salt Lake (GSL) is a designated Site of Hemispheric Importance for migratory birds by the Western Hemisphere Shorebird Reserve Network. Elevated mercury (Hg) and methylmercury (MeHg) levels related to current inputs and past industrial contamination pose a potential threat to GSL biota, in addition to waterfowl hunters that utilize GSL and surrounding wetland areas. Sediments...
Late Pleistocene and Holocene molluscan taxa from south Florida – an examination of survivorship Late Pleistocene and Holocene molluscan taxa from south Florida – an examination of survivorship
Conservation planners and resource managers are concerned about ecological resilience and survival of species as climate and sea level change. The fossil record contains an excellent means to test species responses to changing conditions. This dataset utilizes molluscan faunal data extracted from a fossil database – the Paleobiology Database (PBDB; https://paleobiodb.org/classic) – for...
Enhanced Terrain Imagery of the Galax 30 x 60 Minute Quadrangle from Lidar-Derived Elevation Models at 3-Meter Resolution Enhanced Terrain Imagery of the Galax 30 x 60 Minute Quadrangle from Lidar-Derived Elevation Models at 3-Meter Resolution
This imagery dataset consists of 3-meter resolution, lidar-derived imagery of the Galax 30 x 60 minute quadrangle in Virginia and North Carolina. The source data used to construct this imagery consists of 1-meter, 1/9 arc-second (3-meter) and 3-feet lidar-derived digital elevation models (DEMs). Lidar point cloud data (LPCs) were used to construct DEMs at a 3-meter resolution in parts of...