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Detection of Multiple Fish Species Using Environmental DNA (eDNA), Alaska 2018
This release provides results of an environmental DNA (eDNA) study of fish identified in seven Alaskan lakes, three streams, and a positive control. Samples included replicates for multiple sampling dates and locations. The reference list and conserved primer sets to identify species present were developed using publicly available data (https://www.ncbi.nlm.nih.gov/genbank/). Highly conserved prim
Compilation of Public-Supply Well Construction Depths in California
This data release is a compilation of construction depth information for 12,383 active and inactive public-supply wells (PSWs) in California from various data sources. Construction data from multiple sources were indexed by the California State Water Resources Control Board Division of Drinking Water (DDW) primary station code (PS Code). Five different data sources were compared with the following
A comprehensive inventory of maximum glacial extent in Glacier National Park during the peak of the Little Ice Age
This data release consists of digitized glacier margins that represent the maximum extent of glaciers in Glacier National Park (GNP) and two glaciers on U.S. Forest Service's Flathead National Forest land during the peak of the Little Ice Age. Glacier margins are based on moraine deposits that result from active glaciation, and do not depict perennial snow and ice. Moraines are continuous arcuate
SedCam Model Calibration Imagery Acquired June 2020 to September 2021 at East Branch Brandywine Creek (USGS 01480870)
Two empirical simple linear regression models were developed from SedCam imagery and concurrent physical sediment samples over a 20-month period at the East Branch Brandywine Creek gage (USGS 01480870). The image files included here are a subset, used in the calibration dataset for these regression models. Models relate the explanatory variable, Rmax (maximum digital number of the red band, whi
qpcr amplification data for tissue and water samples collected from glacier national park in 2020 amplified with a lednia tumana specific assay
Tabular amplification data for individual technical replicates of tissue and water samples collected from Glacier National Park in 2020 and amplified with a Lednia tumana species-specific qPCR assay. Reported results include fractional detection rates, mean quantification cycles, and estimated gene copies per reaction.
Geophysical and core sample data collected offshore central California, during field activity 2019-651-FA (ver 2.0, August 2023)
This dataset includes sub-bottom seismic and sediment core data collected during USGS field activity 2019-651-FA. Data were collected aboard the M/V Bold Horizon in October 2019 offshore central California in the vicinity of Morro Bay. Sub-bottom data include multichannel sparker and CHIRP seismic in SEG-Y format with associated navigation tracklines. Core data include photo and computed tomograph
Database of physically based distributed model applications for post-fire hydrologic response
This data release contains a database reviewing the state of the science for physically based distributed hydrologic model applications for post-fire hydrologic response. The database covers the globe and spans from the years 1998 through the calendar year 2021. The database is part of a larger state of the science review of post-fire hydrologic modeling that examines the scales and geographic/eco
Neonicotinoid nitroguanidine group insecticide application rates estimated across the western conterminous United States, 2008 to 2014
These data represents annual estimates of neonicotinoid nitroguanidine group insecticide application rates across the western conterminous United States from 2008 to 2014. This product contains seven raster layers (appearing as separate bands in a multi-band raster). Each band represents one year of the data beginning in 2008. Estimates are generated by pairing crop specific application rates of n
Western bumble bee predicted occupancy (1998, 2020) and future projections (2050s), western conterminous United States
These data represent occupancy estimates for western bumble bee across the western conterminous United States. This product contains five raster layers (appearing as separate bands in a multi-band raster). The first two bands represent the predicted occupancy of western bumble bee in 1998 and 2020. We modeled western bumble bee occupancy as a function of climate and land cover. The last three band
Coastal Multibeam Bathymetry and Backscatter Data Collected in May 2021 from Seven Mile Island, New Jersey
Scientists from the U.S. Geological Survey St. Petersburg Coastal and Marine Science Center in St. Petersburg, Florida (USGS - SPCSMC), conducted a geophysical survey nearshore Seven Mile Island, New Jersey, during May 2021. During this study, multibeam bathymetry and acoustic backscatter data were collected aboard the R/V Sallenger. Efforts were supported by the National Fish and Wildlife Foundat
Geospatial datasets and hydraulic model for flood-inundation maps for the Schoharie Creek in North Blenheim, NY
Digital flood-inundation maps for a 2.4-mile reach of the Schoharie Creek in North Blenheim, New York, were created by the U.S. Geological Survey (USGS) in cooperation with the New York Power Authority. The flood-inundation maps, which can be accessed through the USGS Flood Inundation Mapping Science web site at https://fim.wim.usgs.gov/fim/, depict estimates of the areal extent and depth of flood
Gravity data and geophysical gradient data of the Stockton 30 x 60 minute quadrangle, California
This data release presents point data associated with the geologic and geophysical maps of the Stockton 30 x 60 minute quadrangle, California. Data include principal fact information for new gravity measurements collected by the U.S. Geological Survey from 2015 to 2018 and for existing gravity data. Gravity and magnetic gradients were also calculated in the Stockton 30 x 60 minute quadrangle, Cali