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Data used to determine acceptance criteria for the Petroleum Geochemistry Research Laboratory Programmed Pyrolysis Method Data used to determine acceptance criteria for the Petroleum Geochemistry Research Laboratory Programmed Pyrolysis Method
The data release contains programmed pyrolysis data generated in the Petroleum Geochemistry Research Laboratory that was used to determine the precision and accuracy of daily operating standards for the Petroleum Geochemistry Research Laboratory Programmed Pyrolysis Method.
Data used to develop a probabilistic assessment of tephra-fall hazards at Hanford, Washington Data used to develop a probabilistic assessment of tephra-fall hazards at Hanford, Washington
Data in this data release contain Model input and output for simulations used to estimate the amount of tephra that could fall on the Hanford nuclear waste repository. The results of that study were written up in the report: Mastin, L.G., Van Eaton, A.E., and Schwaiger, H.F., 2020 A Probabilistic Assessment of Tephra-Fall Hazards at Hanford, Washington, from a Future Eruption of Mount St...
Data used to estimate groundwater salinity above the Montebello oil field (California, USA) Data used to estimate groundwater salinity above the Montebello oil field (California, USA)
This release contains borehole geophysical electrical log data (elogs), total dissolved solids sample data (TDS), and geostatistical program files used to estimate the salinity distribution in groundwater above and in the vicinity of the Montebello Oil Field, located near Los Angeles, California, USA. Original data are drawn from a variety of publicly available sources and are combined...
Data used to model and map arsenic concentration exceedances in private wells throughout the conterminous United States for human health studies Data used to model and map arsenic concentration exceedances in private wells throughout the conterminous United States for human health studies
This data release contains data used to develop models and maps that estimate the probabilities of exceeding various thresholds of arsenic concentrations in private domestic wells throughout the conterminous United States. Three boosted regression tree (BRT) models were developed separately to estimate the probability of private well arsenic concentrations exceeding 1, 5, and 10...
Data used to model and map manganese in the Northern Atlantic Coastal Plain aquifer system, eastern USA Data used to model and map manganese in the Northern Atlantic Coastal Plain aquifer system, eastern USA
Data used to model and map manganese concentrations in groundwater in the Northern Atlantic Coastal Plain (NACP) aquifer system, eastern USA, are documented in this data release. The model predicts manganese concentration within four classes and is based on concentration data from 4492 wells. The well data were compiled from U.S. Geological Survey, U.S. Environmental Protection Agency...
Database for the Central United States Velocity Model, v1.3 Database for the Central United States Velocity Model, v1.3
We have developed a new three-dimensional seismic velocity model of the central United States (CUSVM) that includes the New Madrid Seismic Zone (NMSZ) and covers parts of Arkansas, Mississippi, Alabama, Illinois, Missouri, Kentucky, and Tennessee. The model represents a compilation of decades of crustal research consisting of seismic, aeromagnetic, and gravity profiles; geologic mapping
Database for the Geologic Map of Lower Geyser Basin, Yellowstone National Park, Wyoming Database for the Geologic Map of Lower Geyser Basin, Yellowstone National Park, Wyoming
This data release contains digital GIS files digitized from 'Geologic map of Lower Geyser Basin, Yellowstone National Park, Wyoming' by L.J.P. Muffler, D.E. White, A.H. Truesdell, and R.O. Fournier, Miscellaneous Investigations Series Map I-1373.
Database for the Geologic Map of Pocket Basin, Yellowstone National Park, Wyoming Database for the Geologic Map of Pocket Basin, Yellowstone National Park, Wyoming
This digital publication describes completely the hydrothermal, sedimentary, and volcanic deposits, as well as thermal features as a basis for understanding the hydrothermal processes and explosions in Pocket Basin, Yellowstone National Park, Wyoming at 1:2,400 scale.
Database of Central and Eastern North American Seismic Velocity Structure Database of Central and Eastern North American Seismic Velocity Structure
The "Database of Central and Eastern North American Seismic Velocity Structure" involves the compilation of one-dimensional (1D) seismic velocity-depth functions for central and eastern North America (CENA). The present database is an update of the report by Chulick and Mooney (2002) who present a compilation and statistical analysis of 1D seismic velocity-depth functions for North...
Database of Geomorphic Features, Klamath River, California 2010 Database of Geomorphic Features, Klamath River, California 2010
The USGS, in cooperation with the U.S. Fish and Wildlife Service and the National Fish and Wildlife Foundation, compiled a map of geomorphic features along a 140-km segment of the main stem Klamath River below Iron Gate Dam, CA. Flood disturbance within the study reach is produced by the combined effect of natural flows and reservoir releases. The physical response of the Klamath River...
Dataset for Analyses in Assessment of Runoff Volume Reduction Associated with Soil Amendments Added to Portions of Highway Median-Strip Catchments in Ohio Dataset for Analyses in Assessment of Runoff Volume Reduction Associated with Soil Amendments Added to Portions of Highway Median-Strip Catchments in Ohio
Rainfall and runoff data were collected during non-winter months between 2018 and 2020 at 10 rain gages and 12 calibrated H-flumes located in Ohio Department of Transportation (ODOT) highway median-strip catchments. The data were used to compute event-based summary statistics of rainfall and runoff. A rainfall-runoff "event" was defined to begin at the time of the first measured rainfall...
Dataset for temporal influences on selenium partitioning, trophic transfer, and exposure in a major U.S. river Dataset for temporal influences on selenium partitioning, trophic transfer, and exposure in a major U.S. river
The trace element selenium is an essential element with a narrow window between concentrations needed to support life and those that cause toxicity to egg laying organisms. Selenium bioaccumulation in aquatic organisms is primarily the result of trophic transfer through food webs and is poorly predicted by dissolved concentrations in freshwater bodies. To better understand the hydrologic...