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Radiocarbon ages from sites in Peru generated during joint volcano hazards projects carried out by the U.S. Geological Survey Volcano Disaster Assistance Program, Instituto Geofisico del Peru, and Instituto Geologico, Minero y Metalurgico del Peru Radiocarbon ages from sites in Peru generated during joint volcano hazards projects carried out by the U.S. Geological Survey Volcano Disaster Assistance Program, Instituto Geofisico del Peru, and Instituto Geologico, Minero y Metalurgico del Peru
We present the results of 14C age analysis of samples collected during multiple projects that are part of an ongoing, joint initiative of the U.S. Geological Survey Volcano Disaster Assistance Program with the Instituto Geológico Minero y Metalúrgico and Instituto Geofísico del Perú. These projects are part of a wider effort to better understand Peru’s many volcanoes and provide baseline...
Basin characteristics rasters in support of estimation of magnitude and frequency of floods for rural, unregulated streams in Virginia and West Virginia, 2025 Basin characteristics rasters in support of estimation of magnitude and frequency of floods for rural, unregulated streams in Virginia and West Virginia, 2025
This dataset was produced by the US Geological Survey (USGS) as a supporting dataset for calculating stream-gage basin characteristics within the Virginia and West Virginia StreamStats applications. This data release contains the supporting raster representations of various soil and land use attributes generated as explanatory variables for the 2025 flood-frequency study for Virginia and...
Results from dynamic cone penetration testing of soils at hydrologic monitoring sites across Puerto Rico Results from dynamic cone penetration testing of soils at hydrologic monitoring sites across Puerto Rico
A Smart Dynamic Cone Penetrometer (DCP) system allows for the partially automated collection of cone penetrometer data (CPT) to determine mechanical properties of soil along a vertical profile. A smart DCP system was used to collect soil penetration-with-depth values at 19 sites across the mountainous regions of Puerto Rico. The 19 sites were co-located at the United States Geological...
Hydroacoustic Data to Support Embayment Monitoring in Long Island Sound, Farm River Embayment, Connecticut, 2023-2025 Hydroacoustic Data to Support Embayment Monitoring in Long Island Sound, Farm River Embayment, Connecticut, 2023-2025
This data release includes hydroacoustic data for the 2023 to 2025 water years at one station. This station is part of a discrete and continuous monitoring project in embayments on Long Island Sound to support nutrient management activities in Connecticut. The data were collected by the U.S Geological Survey (USGS) in cooperation with the Connecticut Departments of Energy and...
Estimates of vertical groundwater/surface-water exchange using the tempest1d model: Data from selected locations within the Big Soos Basin, WA from July 2023 through July 2024 Estimates of vertical groundwater/surface-water exchange using the tempest1d model: Data from selected locations within the Big Soos Basin, WA from July 2023 through July 2024
This dataset includes sediment temperature data collected from seven locations within the Big Soos creek basin from July 2023 to July 2024. Data collection took place at two locations on Covington Creek and Big Soos Creek, and single locations on Jenkins Creek, Little Soos Creek, and Soosette Creek. See "BigSoos.sites.csv" for field IDs, descriptions, and locations of these seven sites...
Geochronology and geochemistry of Paleoproterozoic metamorphic rocks in the Midcontinent Geochronology and geochemistry of Paleoproterozoic metamorphic rocks in the Midcontinent
We present isotopic and geochemical data for several Archean and Paleoproterozoic metamorphic rocks in the Penokean orogen, USA. These data include new U-Pb and trace element analyses of apatite, titanite, and monazite; bulk rock major and trace element compositions; and whole rock and garnet Lu-Hf and Sm-Nd isotope compositions.