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12-Digit Hydrologic Unit Outlet Locations for Selected Watersheds Draining to the Gulf of Mexico in the South-Central and Southeastern United States, Derived from the USGS Watershed Boundary Dataset (dated August 13, 2020) and NHDPlus version 2.1 12-Digit Hydrologic Unit Outlet Locations for Selected Watersheds Draining to the Gulf of Mexico in the South-Central and Southeastern United States, Derived from the USGS Watershed Boundary Dataset (dated August 13, 2020) and NHDPlus version 2.1
This USGS data release includes a shapefile of outlet point locations for 12-digit hydrologic units (HU12s) from the Watershed Boundary Dataset (WBD), dated August 13, 2020 (U.S. Geological Survey and others, 2020), draining to the Gulf of Mexico in the south-central and southeastern United States. The outlet locations were derived by combining the WBD boundaries with flow direction...
Historical groundwater chemistry data compiled for the Poso Creek Oil Field and vicinity, Kern County, California Historical groundwater chemistry data compiled for the Poso Creek Oil Field and vicinity, Kern County, California
This digital dataset contains historical geochemical and other information for 100 samples of groundwater from 71 wells located within 3 miles of the Poso Creek Oil Field in Kern County, California. An additional 12 wells in the Poso Creek study area, but co-located within 3 miles of the adjacent Rosedale and Rosedale Ranch Oil Fields, were not included in this data release; these data...
Gulf Islands National Seashore 2020 Workshop: Attendee Survey Results Gulf Islands National Seashore 2020 Workshop: Attendee Survey Results
The National Park Service (NPS), in collaboration with the U.S. Geological Survey (USGS), recognizes the need to quantify the sediment budget of the barrier islands within the Gulf Islands National Seashore (GINS) to understand the coastal processes affecting island resiliency. To achieve this goal, identifying and quantifying the physical parameters that drive long-term change is...
Ground Penetrating Radar and Global Positioning System Data Collected in 2021 From Fire Island, New York Ground Penetrating Radar and Global Positioning System Data Collected in 2021 From Fire Island, New York
In 2016, the U.S. Geological Survey (USGS) conducted ground penetrating radar (GPR) surveys and sediment sampling at Fire Island, New York to characterize and quantify spatial variability in the subaerial geology (Forde and others, 2018). These surveys, in combination with historical data, allowed for a preliminary reconstruction of the barriers long-term evolution. In 2021, scientists...
Assessing cell line models for species differences in 6PPD-quinone sensitivity Assessing cell line models for species differences in 6PPD-quinone sensitivity
Coho salmon have been shown to be highly sensitive to the tire transformation chemical 6PPD-quinone, with concentrations contained in stormwater sufficient to induce mortality in up to 90% of the entire fall coho run. Other salmonid species (chinook, sockeye, chum) are much less sensitive to 6PPD-quinone induced mortality. This data examines the varying species sensitivities across...
Near-Surface Spatial Water-Quality Surveys along the Caloosahatchee River in June and July 2021, south Florida Near-Surface Spatial Water-Quality Surveys along the Caloosahatchee River in June and July 2021, south Florida
This U.S. Geological Survey (USGS) Data Release provides spatial water-quality data collected from the Caloosahatchee River on June 21-22 and July 20, 2021, south Florida. Geo-referenced measurements of near surface water temperature, specific conductance, dissolved oxygen, pH, turbidity, chlorophyll fluorescence, phycocyanin fluorescence, and fluorescence of dissolved organic matter...