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Underwater measurements of photosynthetically active radiation from 2021 Lake Michigan CSMI survey Underwater measurements of photosynthetically active radiation from 2021 Lake Michigan CSMI survey
Underwater measurements of photosynthetically active radiation were collected along multiple transects throughout Lake Michigan during the 2021 cooperative science monitoring initiative survey of the lake. These data were collected as part of an effort to quantify the water transparency of the lake. The data included in this release provide the percent of photosynthetically active...
Data for the study of off-channel habitat use by silver carp and bighead carp in the upper Mississippi River 2017–2018 Data for the study of off-channel habitat use by silver carp and bighead carp in the upper Mississippi River 2017–2018
This dataset accompanies the article "Off-channel habitat use by silver carp (Hypophthalmichthys molitrix) and bighead carp (H. nobilis) in the upper Mississippi River". Acoustic telemetry data (Innovasea, Inc.) were collected on invasive silver carp (Hypophthalmichthys molitrix) and bighead carp (Hypophthalmichthys nobilis) in Pools 17-19 of the upper Mississippi River to examine timing...
Data for East Coast and Upper Midwest PFAS study sites Data for East Coast and Upper Midwest PFAS study sites
Concentrations of Total40 per- and polyfluoroalkyl substances (PFAS), perfluorooctane sulfonate (PFOS), perfluorohexane sulfonate (PFHxS), and Total13 PFAS were consistently higher at the AFFF sites compared to the two East Coast reference sites in tree swallow eggs, nestlings, and diet by as much as a factor of 40 times higher. Sites in the Upper Midwest with other PFAS sources also had
Minerals Yearbook, volume III, Area Reports — International: 2019 country chapters, table 1, production of mineral commodities Minerals Yearbook, volume III, Area Reports — International: 2019 country chapters, table 1, production of mineral commodities
This data release contains the compilation of country level mineral commodity production data extracted from Table 1 within all published 2019 international chapters in the U.S. Geological Survey's annual publication Minerals Yearbook Volume III: Area Reports — International. Individual Minerals Yearbook country chapters are published independently from the complete volume as "Advanced...
Sorption Coefficients (Kd) for Perfluorooctanoic acid (PFOA) and Perfluorooctanesulfonic acid (PFOS), and supporting soil properties at a 250-meter resolution, based on 30-meter resolution data from the Polaris Soils database Sorption Coefficients (Kd) for Perfluorooctanoic acid (PFOA) and Perfluorooctanesulfonic acid (PFOS), and supporting soil properties at a 250-meter resolution, based on 30-meter resolution data from the Polaris Soils database
Per- and polyfluoroalkyl substances (PFAS) chemicals are known to strongly sorb onto soils when being transported downward through the vadose zone. The degree to which this sorption occurs depends on the length of the specific PFAS molecular chain and the properties of the soil. The properties with greatest influence on the soils PFAS sorption potential are percent silt and clay, and...
Detailed Mapping of the 1983 Borah Peak Earthquake Surface Rupture (Idaho, USA) Using a High-Resolution Digital Terrain Model Derived from 2019 Lidar Data Detailed Mapping of the 1983 Borah Peak Earthquake Surface Rupture (Idaho, USA) Using a High-Resolution Digital Terrain Model Derived from 2019 Lidar Data
In this work, we refined and expanded the coseismic surface rupture map of the 1983 M6.9 Borah Peak earthquake coseismic rupture mapping at a scale of 1:500. While earlier work (DuRoss et al., 2019; Bello et al., 2020, 2021) used structure-from-motion (SfM) methods to construct digital elevation models (DEMs) derived from small uncrewed aerial systems (sUAS or drone) imagery, the...
Whole-Rock Geochemistry for Eocene Volcanic Rocks of the Toutle 7.5-Minute Quadrangle, Washington Whole-Rock Geochemistry for Eocene Volcanic Rocks of the Toutle 7.5-Minute Quadrangle, Washington
This data release contains geochemical data for 52 rock samples collected by Russell C. Evarts and colleagues from 1992 to 1999 to support geologic mapping of the Toutle 7.5-minute quadrangle in southwest Washington. Fifty samples were analyzed in analytical laboratories of the U.S. Geological Survey (USGS) and three samples were analyzed at the Peter Hooper GeoAnalytical Laboratory at...
Effect of backwatering a streamgage weir on the passage performance of adult American Shad Effect of backwatering a streamgage weir on the passage performance of adult American Shad
In this dataset, there are four csv files that provide the raw fish behavior telemetry data and a single csv file that provides the processed velocity data.
Data for A 3-D Seismic Velocity Model for Cascadia with Shallow Soils & Topography, Version 1.7 Data for A 3-D Seismic Velocity Model for Cascadia with Shallow Soils & Topography, Version 1.7
This data release contains three netCDF4 files containing grid points of P- and S-wave seismic velocities in Cascadia. This model is an update to Stephenson et al. (2017) Open-File Report 2017-1152, and contains a newly added shallow soil model and optional user-specified topography. A description of the model and its development is provided in the associated Open-File Report. The grid...
Observations of offset from shallow aseismic slip on the Concord fault, San Francisco Bay Area, CA Observations of offset from shallow aseismic slip on the Concord fault, San Francisco Bay Area, CA
The Concord fault is an active strike-slip fault of the Pacific-North America plate boundary that runs through suburban eastern San Francisco Bay Area, Contra Costa County, CA, in the cities of Concord and Walnut Creek. Recent work has identified ongoing aseismic slip along the trace of the fault and clarified its location. The data presented here record evidence of tectonic offsets of...
Deep learning classification of manganese and iron mines and prospects in the Lewisburg 30 x 60 minute quadrangle Deep learning classification of manganese and iron mines and prospects in the Lewisburg 30 x 60 minute quadrangle
Manganese is a designated critical mineral, being industrially utilized for producing steel and batteries, including in the production of electric vehicles (Rozelle and others, 2021). The central Appalachian Valley and Ridge hosts hundreds of manganese and iron oxide mines that served steel production until their abandonment in the mid-twentieth century (Lesure, 1957; Pegau, 1958). Many...
Mercury Concentrations and Light Stable Isotope Values for Invasive Black and White Tegus from the Greater Everglades, 2022-2024 Mercury Concentrations and Light Stable Isotope Values for Invasive Black and White Tegus from the Greater Everglades, 2022-2024
This dataset details mercury (Hg) concentrations and carbon, nitrogen, and sulfur isotopes for Black and White tegus (Salvator merianae) collected in and around Everglades National Park between 2022 and 2024. Tegus (n = 115) were collected from 54 sites. Mercury in tegu muscle tissue ranged from 4.1 to 1200 ng g-1. Additional matrices such as livers and blood were measured on a subset of...