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Contemporary estimates for total seep refugial capacity and contributing metrics, including likelihood of seep occurrence, seep air and water temperature variability, and probability of seep permanence Contemporary estimates for total seep refugial capacity and contributing metrics, including likelihood of seep occurrence, seep air and water temperature variability, and probability of seep permanence
We modeled the distribution and thermal and hydrologic stability of cliff-face seeps across moist portions of the Pacific Northwest, USA. We conducted surveys for cliff-face seeps across ~1,600km of roads, trails, and watercourses in Washington and Idaho and monitored water availability and air and water temperatures at a subset of these seeps. We detected 457 total seeps through an...
Vermont Flood of July 2023 Data Vermont Flood of July 2023 Data
A major rain event caused catastrophic flooding from July 9 through 12, 2023, in various portions of the State of Vermont, resulting in millions of dollars of damage. The high amount of rainfall caused several rivers to peak at record levels, in some cases exceeding records set by Tropical Storm Irene in 2011. President Biden approved an Emergency Declaration for Vermont on July 11, 2023...
Long-term trends in annual, seasonal, and monthly streamflow metrics at streamgages in the Upper Colorado River Basin, 1981-2022 Long-term trends in annual, seasonal, and monthly streamflow metrics at streamgages in the Upper Colorado River Basin, 1981-2022
Identifying long-term trends in water availability, including surface water quantity, is a key part of the U.S. Geological Survey (USGS) Integrated Water Availability Assessments (IWAAs) mission. This data release includes input and output data used in Mann-Kendall trend analyses to characterize streamflow conditions at 124 USGS streamgages in the Upper Colorado River Basin for water...
MODFLOW 6 models used to evaluate the accuracy of enhanced cell connectivity for simulation of flow through dipping aquifers MODFLOW 6 models used to evaluate the accuracy of enhanced cell connectivity for simulation of flow through dipping aquifers
This data release contains the MODFLOW 6 models described in the related Groundwater journal article (https://doi.org/10.1111/gwat.13459). The models are generalized cross-section models of a hypothetical and idealized aquifer. The models are used to examine the effects of layered or full grid connectivity with and without the XT3D option in the Node Property Flow (NPF) package of...
Rock mass quality and structural geology observations in Prince William Sound, Alaska (2023) Rock mass quality and structural geology observations in Prince William Sound, Alaska (2023)
Multiple subaerial landslides adjacent to Prince William Sound, Alaska (for example, Dai and others, 2020; Higman and others, 2023; Schaefer and others, 2024) pose a threat to the public because of their potential to generate ocean waves (Barnhart and others, 2021, 2022; Dai and others, 2020) that could affect towns and marine activities. One bedrock landslide on the west side of Barry...
Water Chemistry Data for Samples Collected at Groundwater Sites in the Midway-Sunset and Buena Vista Oil Fields Study Area, March 2018 to April 2019, Kern County, California Water Chemistry Data for Samples Collected at Groundwater Sites in the Midway-Sunset and Buena Vista Oil Fields Study Area, March 2018 to April 2019, Kern County, California
The California State Water Resources Control Board (State Water Board) initiated the Oil and Gas Regional Monitoring Program (RMP) to assess effects of oil and gas development on groundwater (GW) designated for any beneficial use. The U.S. Geological Survey (USGS) is the technical lead in conducting the RMP through the California Oil, Gas, and Groundwater (COGG) Program, working in...
Groundwater-flow model of the Wet Mountain Valley alluvial aquifer, Custer and Fremont Counties, Colorado Groundwater-flow model of the Wet Mountain Valley alluvial aquifer, Custer and Fremont Counties, Colorado
The U.S. Geological Survey in cooperation with the Upper Arkansas Water Conservancy District, created a numerical groundwater-flow model for the Wet Mountain Valley alluvial aquifer using the finite-difference MODFLOW code with the Newton formulation solver. This numerical groundwater-flow model simulates water-budget components, groundwater and surface-water interactions, and evaluates...
Landscape Water Requirement Satisfaction Index (L-WRSI) from 1982 to Present at Dekadal Time Scale Landscape Water Requirement Satisfaction Index (L-WRSI) from 1982 to Present at Dekadal Time Scale
The Landscape Water Requirement Satisfaction Index (L-WRSI) is an extension of the well-established water requirement satisfaction index (WRSI), which is an indicator of crop performance based on the availability of water to the crop during a growing season, by including the entire landscape and not just crop growing regions. L-WRSI is created using components generated by the VegET...
Riparian vegetation, topography, and sediment quality along the Lower Virgin River 2010-2021 (ver. 2.0, January 2025) Riparian vegetation, topography, and sediment quality along the Lower Virgin River 2010-2021 (ver. 2.0, January 2025)
Note: This data release has been preceded by version 1.0, available here: https://doi.org/10.5066/P97KZJGP. The data release presents observations of riparian vegetation, topography, and sediment quality in five river reaches of the Lower Virgin River extending downstream 62 river kilometers (rkm), from near the town of Littlefield (Arizona) to approximately 15 rkm upstream from the...
Geophysical data and grids of the Grouse Creek and Utah part of the Jackpot 30' x 60' quadrangles, Utah Geophysical data and grids of the Grouse Creek and Utah part of the Jackpot 30' x 60' quadrangles, Utah
New geophysical data, including density and magnetic susceptibility measurements, were collected in the Grouse Creek and Utah part of the Jackpot 30' x 60' quadrangles in Box Elder County, Utah and Cassia County, Idaho. The release contains 324 new gravity measurements merged with a 2013 compilation. These data were inverted for basin thickness and basement density variations. The...
Rock mass quality and structural geology observations in Prince William Sound, Alaska (2022) Rock mass quality and structural geology observations in Prince William Sound, Alaska (2022)
Multiple subaerial landslides adjacent to Prince William Sound, Alaska (for example, Dai and others, 2020; Higman and others, 2023; Schaefer and others, 2024) pose a threat to the public because of their potential to generate ocean waves (Barnhart and others, 2021, 2022; Dai and others, 2020) that could affect towns and marine activities. One bedrock landslide on the west side of Barry...
Geospatial Dataset for the Geologic Framework and Hydrostratigraphy of the Edwards and Trinity Aquifers Within Northern Bexar and Comal Counties, Texas, at 1:24,000 scale Geospatial Dataset for the Geologic Framework and Hydrostratigraphy of the Edwards and Trinity Aquifers Within Northern Bexar and Comal Counties, Texas, at 1:24,000 scale
The Edwards and Trinity aquifers are major sources of water for agriculture, industry, and urban and rural communities in south-central Texas. Both the Edwards and Trinity aquifers are classified as major aquifers by the State of Texas. The dissolution of the carbonate rocks composing the Edwards and Trinity aquifers results in distinctive landforms rich in both springs and karst...