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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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MODFLOW 6 groundwater flow models and supporting data for evaluation of stream capture related to groundwater pumping, middle Humboldt River Basin, Nevada MODFLOW 6 groundwater flow models and supporting data for evaluation of stream capture related to groundwater pumping, middle Humboldt River Basin, Nevada

A calibrated numerical groundwater flow model was developed for the middle Humboldt River Basin (MHRB), Nevada, to estimate stream capture from groundwater pumping over time. Stream capture was estimated for water years (WY) 1961–2015 with pumping from that period, and the model was then used to predict future stream capture based on constant non-mining pumping rates in WY 2015. The...

Global AgWet Mask for SSEBop ET Model Version 7 Global AgWet Mask for SSEBop ET Model Version 7

The AgWet (Agriculture Wetland) mask is a specialized land‑cover dataset developed to enhance wet-bulb boundary parameterization in Version 7 of the SSEBop evapotranspiration model (operational Simplified Surface Energy Balance), particularly improving the Forcing and Normalizing Operation (FANO) algorithm over wet-bare surfaces. In sparsely vegetated surfaces, low NDVI (Normalized...

Supporting documentation for predicting groundwater hydrochemical facies in three dimensions across the conterminous United States with random forest classification Supporting documentation for predicting groundwater hydrochemical facies in three dimensions across the conterminous United States with random forest classification

This data release provides workflow documentation and spatial predictions of groundwater hydrochemical facies (HCFs) across the conterminous United States at multiple depths. Predictions were generated using a Random Forest Classification model trained on a comprehensive groundwater chemistry dataset (>150,000 sites). Samples were classified based on major ion composition into one of six...

Sediment Data From Cores Collected in 2025 at Midnight Pass, Florida Sediment Data From Cores Collected in 2025 at Midnight Pass, Florida

In June 2025, scientists from the U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center (SPCMSC) conducted sediment core sampling at Midnight Pass, an inlet between Siesta Key and Casey Key, Florida. This inlet was closed by mechanical action in 1983 and reopened by the passage of hurricanes Helene and Milton in 2024, reconnecting Little Sarasota Bay to the Gulf...

Humboldt River Basin Model Grids and Potential Groundwater Capture Results Humboldt River Basin Model Grids and Potential Groundwater Capture Results

This U.S. Geological Survey data release presents polygon model grids and tables of 100-year groundwater capture results for the lower, middle, and upper Humboldt River basins, Nevada. The grids define the active model cells, including cell identifiers and elevations for the model layers. The tables summarize potential groundwater capture from three sources: stream depletion, salvaged

Data for an Erosion Potential and Flood Vulnerability Assessment of Streams and Stream Crossings at Acadia National Park, Maine Data for an Erosion Potential and Flood Vulnerability Assessment of Streams and Stream Crossings at Acadia National Park, Maine

The U.S. Geological Survey (USGS), in cooperation with the National Park Service (NPS), has compiled Geographic Information Systems (GIS) datasets to assess the erosion potential and flood vulnerability of streams and stream crossings within Acadia National Park, Maine. Erosion potential of streams is estimated using remotely measured geomorphic and hydrologic variables associated with...

Advancing ecosystem recovery with diverse species plantings in tropical forest restoration Advancing ecosystem recovery with diverse species plantings in tropical forest restoration

This data release provides data on an active, multi-species planting restoration effort in the Premontane Wet Life Zone, Monteverde, Costa Rica. The study involves comparison of 13 actively restored forest stands planted three to 21 years prior on abandoned pastures to four nearby reference stands of altered primary/mature forests that were at least 70 years old (actual age unknown). All...

Mark recapture and habitat data for adult sagebrush songbirds tracked in Pinedale, Wyoming during 2020 - 2024 Mark recapture and habitat data for adult sagebrush songbirds tracked in Pinedale, Wyoming during 2020 - 2024

Adult sagebrush songbirds (primarily, Brewer's sparrow, sagebrush sparrow, and sage thrasher) were measured, color-banded, and tracked using multiple resight methods in Sublette County, Wyoming during 2020-2024. In addition, nests associated with each color-banded adult were identified. We conducted nest searching and monitoring efforts for any songbird species at study plots. Habitat...

MODFLOW-NWT and MODPATH6 files used for groundwater-flow simulation and pathline analyses in the vicinity of the Coakley Landfill Superfund site, Rockingham County, New Hampshire MODFLOW-NWT and MODPATH6 files used for groundwater-flow simulation and pathline analyses in the vicinity of the Coakley Landfill Superfund site, Rockingham County, New Hampshire

A MODFLOW-NWT groundwater-flow model of the Coakley Landfill (CL) area in southeast New Hampshire was constructed from a previously published hydrologic model of the southeast New Hampshire region (https://doi.org/10.5066/P909PUIP). The CL model was used to evaluate groundwater-flow patterns and advective transport pathways from the CL as a proxy to solute transport of per- and...

Data on the detection of Epioblasma capsaeformis using a designed environmental DNA (eDNA) survey upstream and downstream of known populations in the Clinch River, Virginia and Tennessee, 2020 to 2022 (ver 2.0, February 2026) Data on the detection of Epioblasma capsaeformis using a designed environmental DNA (eDNA) survey upstream and downstream of known populations in the Clinch River, Virginia and Tennessee, 2020 to 2022 (ver 2.0, February 2026)

These data describe a designed environmental DNA (eDNA) survey for the detection of oyster mussel (Epioblasma capsaeformis) from field collected water samples. Parameters described include the limit of detection and limit of quantification of the assay; a list of freshwater mussel species tissue samples that were used to test specificity of the assay; and field collected water samples...

Limits of detection and quantification for several invasive carp environmental DNA (eDNA) assays Limits of detection and quantification for several invasive carp environmental DNA (eDNA) assays

Data describe the limits of detection (LOD), limits of quantification (LOQ), and associated quality assurance measurements of several environmental DNA (eDNA) assays for invasive black carp (Mylopharyngodon piceus), bighead carp (Hypophthalmichthys nobilis), silver carp (Hypophthalmichthys molitrix), bigheaded carps (Hypophthalmichthys spp.), and grass carp (Ctenopharyngodon idella)...

Basin Characterization Model (BCMv8) for the Adelaida area, San Luis Obispo County, California, USA - Monthly Historical Climate and Hydrology for water years 1896-2024 Basin Characterization Model (BCMv8) for the Adelaida area, San Luis Obispo County, California, USA - Monthly Historical Climate and Hydrology for water years 1896-2024

This data release includes climate inputs and hydrologic outputs from the Basin Characterization Model (BCM) version 8 (v8), described in Flint and others (2021), in a 270 by 270-meter spatial resolution at a monthly time step from water years 1896 to 2024 for the Adelaida area of San Luis Obispo County, California. This data release includes five child items: 1. 30-year summaries, 2...
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