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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Low flow water quality data for the Animas River, Arrastra Creek to Silverton, Colorado, September 2021 Low flow water quality data for the Animas River, Arrastra Creek to Silverton, Colorado, September 2021
A synoptic sampling campaign was conducted on the Animas River near Silverton, Colorado, under low-flow conditions in September 2021. The sampling campaign was designed to quantify constituent loading and identify sources of contamination along a 3.8-kilometer study reach. The study reach began approximately 170 meters upstream of Arrastra Creek and extended downstream to U.S. Geological...
Self-potential and electric resistivity tomography data pertaining to groundwater flow for thermal springs, Hot Springs National Park, Arkansas, February 2023–January 2024 Self-potential and electric resistivity tomography data pertaining to groundwater flow for thermal springs, Hot Springs National Park, Arkansas, February 2023–January 2024
This data release contains self-potential (SP) map data, two-dimensional electrical resistivity tomography (ERT) data, and time-lapse SP-monitoring data measured within the thermal springs discharge area of Hot Springs National Park in Hot Springs, Arkansas, in addition to the geospatial coordinates of each geophysical measurement and photographs of the reconnaissance and monitoring...
Spatial profiles of waterborne self-potential and water-quality-property data acquired September 8–11, 2023, in Elm and Hartwell Brooks and the Shawsheen River near Hanscom Air Force Base, Bedford, Massachusetts, to identify groundwater seepage locations. Spatial profiles of waterborne self-potential and water-quality-property data acquired September 8–11, 2023, in Elm and Hartwell Brooks and the Shawsheen River near Hanscom Air Force Base, Bedford, Massachusetts, to identify groundwater seepage locations.
This data release contains geophysical and water-quality property data measured by the U.S. Geological Survey (USGS) along downstream continuous profiles in surveyed reaches of Elm Brook, Hartwell Brook, and the Shawsheen River near Hanscom Air Force Base in Bedford, Massachusetts. The geophysical data consist of spatial profiles of waterborne self-potential (WaSP) voltages attributed to...
BEWARE2 database: A meta-process model to assess wave-driven flooding hazards on morphologically diverse, coral reef-lined coasts BEWARE2 database: A meta-process model to assess wave-driven flooding hazards on morphologically diverse, coral reef-lined coasts
This dataset contains the reef profiles and resulting hydrodynamic outputs of the "Broad-range Estimator of Wave Attack in Reef Environments" (BEWARE-2) meta-process modeling system. A process-based, wave-resolving hydrodynamic model (XBeach Non-Hydrostatic+, "XBNH+") was used to create a large synthetic database for use in BEWARE-2, relating incident hydrodynamics and coral reef...
U.S. Geological Survey Wastewater Diffuser Survey in Cedar Falls, Iowa, September 2024 U.S. Geological Survey Wastewater Diffuser Survey in Cedar Falls, Iowa, September 2024
These data represent a Global Positioning System (GPS) survey generated September 18, 2024, using Trimble R10 2 Real-Time Kinematics (RTK) and Global Navigation Satellite Systems (GNSS). Survey extends along the Cedar River streambed in Cedar Falls, Iowa, where a wastewater treatment diffuser pipe is installed. Cross-sectional representations were produced to depict stream depth and...
Annual National Land Cover Database (NLCD) Collection 1 Products (ver. 1.1, June 2025) Annual National Land Cover Database (NLCD) Collection 1 Products (ver. 1.1, June 2025)
The U.S. Geological Survey (USGS)’s Land Cover program has leveraged methodologies from legacy land cover projects - National Land Cover Database (NLCD) and Land Change Monitoring, Assessment, and Projection (LCMAP) - together with modern innovations in geospatial deep learning technologies to create the next generation of land cover and land change information. The product suite is...