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Digital elevation model of the lava dome in the crater of Mount St. Helens, July 18, 1986 Digital elevation model of the lava dome in the crater of Mount St. Helens, July 18, 1986
The catastrophic, explosive eruption of Mount St. Helens, Washington, on May 18, 1980, is the most well-known eruption of the volcano. Less well known is that the May 18 eruption marked the beginning of a period of eruptive activity that lasted through 1986. Beginning in October 1980, a series of 17 dome-building episodes added millions of cubic meters of lava to the crater floor. Most...
Data for the Summer Inventory of Landbirds and Other Avian Species in Kenai Fjords National Park, 2005 Data for the Summer Inventory of Landbirds and Other Avian Species in Kenai Fjords National Park, 2005
This data release contains observational data from a breeding bird inventory using standardized point counts conducted during May-June 2005 in Kenai Fjords National Park (KEFJ), Alaska. It also includes a single survey conducted for owls on the night of 30 April 2005. Data tables include 1) survey route details, 2) survey point details, 3) survey habitat details at survey points, 4) bird...
Geochemistry and mineralogy of mill tailings from the Ducktown mining district, Tennessee, USA Geochemistry and mineralogy of mill tailings from the Ducktown mining district, Tennessee, USA
These .csv files contain data on the bulk mineralogy and geochemistry of tailings samples from the Ducktown volcanogenic massive sulfide mining district in Tennessee, USA. The reported geochemistry was collected using inductively-coupled plasma optical emission spectroscopy/mass spectrometry (ICP-OES/MS), wavelength-dispersive X-ray fluorescence (WDXRF), lead fire assay-inductively...
Geochemistry, olivine chemistry, microXRF chemical maps, and isotope geochemistry of komatiitic volcanic rocks and U-Pb geochronology of metasedimentary rocks from the Bradley Peak and South Pass greenstone terranes, Wyoming Province Geochemistry, olivine chemistry, microXRF chemical maps, and isotope geochemistry of komatiitic volcanic rocks and U-Pb geochronology of metasedimentary rocks from the Bradley Peak and South Pass greenstone terranes, Wyoming Province
Bradley Peak and South Pass are two ca. 2.7 Ga greenstone terranes in the Archean Wyoming Province, USA that contain mafic-ultramafic metavolcanic rocks. This dataset contains five Comma Separated Value (CSV) files of tabular data, a data dictionary for tabular data (Data_Dictionary.csv), a shapefile with sample locations, and microXRF images. Wholerock_geochemistry.csv includes whole...
Precipitation Runoff Modeling System Rainfall-Runoff Models and Outputs: Historic Observed Runs (1915-2015), Historic Simulated Runs (1950-2005), and Future Simulated Runs (2006-2099) Precipitation Runoff Modeling System Rainfall-Runoff Models and Outputs: Historic Observed Runs (1915-2015), Historic Simulated Runs (1950-2005), and Future Simulated Runs (2006-2099)
This dataset includes the original Precipitation Runoff Modeling System extractions from the USGS, the models that were calibrated to observed historic data, and the Global Circulation Model runs to simulate climate change.
Mountain goats (Oreamnos americanus) in Glacier National Park, Montana, USA, and Waterton Lakes National Park, Alberta, Canada, 2008-2023 Mountain goats (Oreamnos americanus) in Glacier National Park, Montana, USA, and Waterton Lakes National Park, Alberta, Canada, 2008-2023
Dataset includes a) counts of mountain goats for multiple surveys across 37 sites inside Glacier National Park 2008-2019, along with biotic and abiotic conditions used in analysis of trend including snow, precipitation, temperature, landcover and habituation; b) predicted numbers of goats using each survey area; and c) microsatellite genotypes for goat pellet samples collected 2019-2023...
Validation of gridded precipitation datasets for flood-typing in six basins in the contiguous U.S. Validation of gridded precipitation datasets for flood-typing in six basins in the contiguous U.S.
The U.S. Geological Survey (USGS) and the U.S. Army Corps of Engineers (USACE) are collaborating with the U.S. Federal Emergency Management Agency (FEMA) on improving flood-frequency analysis methods to account for mixed populations arising from different flood causal mechanisms. Precipitation data at different timescales are widely used in flood-typing studies. Various gridded...
Inputs and outputs of 3D point-cloud comparisons (M3C2) from repeat bathymetric and topographic surveys from 2019 – 2022 of the French Broad River, Asheville, NC Inputs and outputs of 3D point-cloud comparisons (M3C2) from repeat bathymetric and topographic surveys from 2019 – 2022 of the French Broad River, Asheville, NC
This data release provides the input and output datasets used to inform geomorphic change detection (GCD) analyses from repeat streambank and streambed surveys of a one-kilometer reach of the French Broad River (FBR) where the NCDOT initiated a highway widening and bridge construction project in 2020 near Asheville, North Carolina (Whaling, 2023a–d; Whaling and Wagner, 2021; Whaling and...
Digital elevation models with elevation uncertainty treatment, Grand Bay Estuary, Mississippi, 2015 - 2022 Digital elevation models with elevation uncertainty treatment, Grand Bay Estuary, Mississippi, 2015 - 2022
This data release includes outputs that were created using Monte Carlo simulations with the aim to reduce elevation overestimation in coastal wetlands at Grand Bay, MS. We evaluated the performance of coastal wetland elevation refinement by using bare earth digital elevation models (DEMs) and DEMs created from the last return from the light detection and ranging (lidar) point cloud...
Code and outputs for a mallard reproduction model incorporating migration delays and reduced adult body mass Code and outputs for a mallard reproduction model incorporating migration delays and reduced adult body mass
These data are outputs from a mallard (Anas platyrhynchos) reproduction model that accounts for breeding ground arrival time and the body mass of individuals. Specifically, adult female mallards that arrive late or with lower body mass have the potential for lower clutch sizes and are less likely to renest if a nest fails. The model is based on an existing mallard reproduction model that...
CoSMoS-AK Modeled flood and erosion hazards at Golovin- Coastal Alaska CoSMoS-AK Modeled flood and erosion hazards at Golovin- Coastal Alaska
This data release consists of flood hazard maps from compound coastal hazards--specifically sea-level rise (SLR) and projected coastal storms. Products include projected flood depths, flood extents including uncertainties, water elevations, wave heights, velocity hazard, and erosion and sedimentation pattern. These are generated using a suite of numerical models driven by outputs from...
CoSMoS-AK Modeled flood and erosion hazards at Golovin- Coastal Alaska CoSMoS-AK Modeled flood and erosion hazards at Golovin- Coastal Alaska
This data release consists of flood hazard maps from compound coastal hazards--specifically sea-level rise (SLR) and projected coastal storms. Products include projected flood depths, flood extents including uncertainties, water elevations, wave heights, velocity hazard, and erosion and sedimentation pattern. These are generated using a suite of numerical models driven by outputs from...