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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Data to Support Analyses of Widening and Narrowing of Beach Segments in California Data to Support Analyses of Widening and Narrowing of Beach Segments in California
Shoreline position data from the CoastSat methodology were used to describe beach changes along the California coast during 1984-2024. This data release includes the results of the time-series analyses, including mean annual deseasonalized shoreline positions for 329 beach segments and total uncertainty in these measurements. These techniques were applied to 329 beach segments, which...
Landslide monitoring site installation details, geotechnical parameters, hydrologic time series data, and landslide locations from storms occurring between 25 December 2022 and 19 January 2023 in the San Francisco Bay area, California. Landslide monitoring site installation details, geotechnical parameters, hydrologic time series data, and landslide locations from storms occurring between 25 December 2022 and 19 January 2023 in the San Francisco Bay area, California.
This data release provides datasets supporting research on landslides triggered by a series of storms in the San Francisco Bay Area, California, that occurred between December 25, 2022, through January 19, 2023. During this period, eight atmospheric river storms delivered intense and prolonged rainfall across the region, leading to significant hydrological responses and widespread...
Molluscan Assemblages and Salinity Regimes from Three Southwest Coast Cores in Everglades National Park, Florida Molluscan Assemblages and Salinity Regimes from Three Southwest Coast Cores in Everglades National Park, Florida
Paleoecologic analyses of cores from the estuarine areas of Everglades National Park (ENP) by the U.S. Geological Survey began in the mid-1990s. Results of these analyses have contributed to an understanding of changes in salinity regimes, freshwater flow, and habitats of the Greater Everglades Ecosystem over the last several thousand years. Twentieth century changes to salinity and...
Model application: modeling lake ice phenology in Minnesota, 1980-2018 Model application: modeling lake ice phenology in Minnesota, 1980-2018
Globally, lakes are losing ice cover, but our understanding of the rates and variability of change are biased towards few lakes with long-term records. Recent works have used remote sensing and predictive modeling to supplement the observational record, but these approaches produce large errors when estimating ice phenology for individual lakes. Our associated manuscript explores machine...
Data in support of estimation of magnitude and frequency of floods for rural, unregulated streams in and near Virginia and West Virginia Data in support of estimation of magnitude and frequency of floods for rural, unregulated streams in and near Virginia and West Virginia
This data release contains the supporting datasets, tables, and geospatial information generated and analyzed in the 2025 flood-frequency study for Virginia and West Virginia. In this study, the magnitude and frequency of annual peak streamflows were estimated using the Expected Moments Algorithm for 813 streamgages on rural, unregulated streams in and near Virginia and West Virginia...
Lidar point cloud, raster, and RTK GNSS survey data for pre- and post-restoration of Ackerson Meadows, Yosemite National Park, California, USA Lidar point cloud, raster, and RTK GNSS survey data for pre- and post-restoration of Ackerson Meadows, Yosemite National Park, California, USA
A collection of lidar point cloud, raster, and real-time kinematic global navigation satellite system (RTK GNSS) survey data of Central and South Ackerson Meadow to aid in monitoring wetland meadow restoration. Uncrewed aircraft system (UAS) lidar collections were flown in June 2023 (before restoration), November 2023, and November 2024 (after restoration), with one forthcoming...