Data Releases
The data collected and the techniques used by USGS scientists should conform to or reference national and international standards and protocols if they exist and when they are relevant and appropriate. For datasets of a given type, and if national or international metadata standards exist, the data are indexed with metadata that facilitates access and integration.
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Salinas Valley Integrated Hydrologic and Reservoir Operations Model, Monterey and San Luis Obispo Counties, California Salinas Valley Integrated Hydrologic and Reservoir Operations Model, Monterey and San Luis Obispo Counties, California
The Salinas Valley Groundwater Basin in Monterey and San Luis Obispo Counties of California is a highly productive agricultural area, contributes significantly to the local economy, and provides a substantial portion of vegetables and other agricultural commodities to the Nation. Increases in agricultural development and population have put increasing demand on both surface water and...
Data Release: Coordinated efforts toward understanding a mortality event in wild passerines in the eastern United States: Responses, lessons learned and future recommendations Data Release: Coordinated efforts toward understanding a mortality event in wild passerines in the eastern United States: Responses, lessons learned and future recommendations
This data set describes post-mortem examination of avian species from a rapid response to a wildlife health event. We reported on the response to a 2021 mortality event in wild passerines in the eastern US. Early ground efforts by wildlife rehabilitators and veterinarians, with public participation, fueled rapid responses by government agencies including sample submission and evaluation
Data for Development of Regression Equations to Estimate Flow Durations, Low-Flow Frequencies, and Mean Flows in Connecticut using Data Collected through Water Year 2022 Data for Development of Regression Equations to Estimate Flow Durations, Low-Flow Frequencies, and Mean Flows in Connecticut using Data Collected through Water Year 2022
The U.S. Geological Survey (USGS), in cooperation with the Connecticut Department of Energy and Environmental Protection and the Connecticut Department of Transportation, calculated select streamflow statistics and basin characteristics. This U.S. Geological Survey (USGS) data release provides select streamflow statistics and basin characteristics for 118 streamgages in Connecticut and...
Grass carp captured in the Sandusky River, OH, USA, during 2020–2023 using electrofishing and combination methods Grass carp captured in the Sandusky River, OH, USA, during 2020–2023 using electrofishing and combination methods
Data were collected during efforts to remove invasive grass carp (Ctenopharyngodon idella) from the Sandusky River, OH, USA during 2020–2023. The data includes the number of grass carp captured, capture method, total vessel hours, removal effort year, removal effort month, number of non-target species captured, and river kilometer (distance from the river mouth measured in 0.5 kilometer...
Hydraulic Channel Geometry of Selected Tidal Rivers in Coastal Massachusetts, 2024 Hydraulic Channel Geometry of Selected Tidal Rivers in Coastal Massachusetts, 2024
The U.S. Geological Survey (USGS) collected elevation and location data at 24 selected river reaches along the coast of Massachusetts in 2024. These data were collected in cooperation with the Massachusetts Department of Environmental Protection (MassDEP) and the University of Massachusetts at Amherst (UMass Amherst). The 24 tidal rivers were selected based on the following criteria...
Digital Surface Model and Orthoimagery of Iliamna Volcano and Johnson River, Lake Clark National Park, Alaska Digital Surface Model and Orthoimagery of Iliamna Volcano and Johnson River, Lake Clark National Park, Alaska
Aerial photography surveys of Iliamna Volcano and the Johnson River in Lake Clark National Park, Alaska, were conducted in late July and early August 2019 by fixed-wing aircraft to generate updated elevation data and high-quality orthoimagery. The surveys were flown by the National Park Service (NPS) Alaska Regional Office (AKRO) in partnership with the United States Geological Survey...