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Total dissolved-solid loads in the Upper Colorado River Basin during high-flow hydrologic events from 2021 to 2023 Total dissolved-solid loads in the Upper Colorado River Basin during high-flow hydrologic events from 2021 to 2023
This U.S. Geological Survey (USGS) data release contains data that allows for calculation of total dissolved-solid loads for high-flow and baseflow conditions in the Upper Colorado River Basin (UCRB) collected between 2021 and 2023. High-flow hydrologic events are critical periods for salinity transport but are often underrepresented in existing datasets due to limited sampling and...
Microprobe data for rock samples from the Escanaba Trough (Gorda Ridge) Microprobe data for rock samples from the Escanaba Trough (Gorda Ridge)
This data release contains electron microprobe data collected on thin sections made from rock samples collected from the Escanaba Trough hydrothermal vent field, Gorda Ridge, in the northeast Pacific Ocean. These data were collected in 2022 on expedition TN403 (USGS Field Activity 2022-621-FA). Samples were taken to the USGS Pacific Coastal Marine Science Center for subsampling and...
SPARROW model source code, input, and output from the application of seasonally dynamic models of baseflow, streamflow, and total dissolved solids in baseflow and total streamflow within the Upper Colorado River Basin, water years 1986-2020 SPARROW model source code, input, and output from the application of seasonally dynamic models of baseflow, streamflow, and total dissolved solids in baseflow and total streamflow within the Upper Colorado River Basin, water years 1986-2020
This model application data release contains the model source code, model control files, input data file, and output prediction files from the application of seasonally dynamic “Spatially Referenced Regressions on Watershed attributes” (SPARROW) models (Schmadel and others, 2024) within the Upper Colorado River Basin for four constituents: baseflow, streamflow, total dissolved solids in...
Reproductive biomarker responses in male fathead minnow exposed to per- and polyfluoroalkyl substances contaminated groundwater at a fire-training area, Cape Cod, Massachusetts from 2019 and 2021 Reproductive biomarker responses in male fathead minnow exposed to per- and polyfluoroalkyl substances contaminated groundwater at a fire-training area, Cape Cod, Massachusetts from 2019 and 2021
This data release presents chemical and biological results from an investigation of the fish uptake and effects from exposure to per- and polyfluoroalkyl substances (PFAS) from groundwater contaminated by fire training activities on Cape Cod, Massachusetts. Twenty-one day exposure experiments were conducted from July to August 2019 and from August to September 2021 using groundwater from...
GIS Data for Geologic Map of the Central Pioneer Mountains, Blaine and Custer Counties, Central Idaho GIS Data for Geologic Map of the Central Pioneer Mountains, Blaine and Custer Counties, Central Idaho
This U.S. Geological Survey (USGS) data release provides a digital geospatial database for the geologic map of the central Pioneer Mountains, Blaine and Custer counties, central Idaho (Dover, 1983). Attribute tables and geospatial features (points, lines, and polygons) conform to the Geologic Map Schema (USGS NCGMP, 2020) and represent the geologic map as published in USGS Miscellaneous
Lake Superior Annual Survey Report data: 1978-2025 Lake Superior Annual Survey Report data: 1978-2025
This dataset includes fish community data collected during the annual nearshore and offshore surveys for Lake Superior from 1978-2025. The data includes: the number, weight, number per hectare, and kg per hectare of fish caught at each location from 1978-2025; annual age-1 numerical density estimates for select species in the nearshore region (1978-2025) and offshore region (2011-2025)...