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Location Folder Show Tree ROOT ScienceBase Catalog Users Filters Date Types (for Date Range) Types Map Service (1) OGC WFS Layer (1) OGC WMS Layer (1) OGC WMS Service (1) Contacts U.S. Geological Survey U.S. Geological Survey - ScienceBase Alexander O Headman Zachary C Johnson Jory S Hecht More... Categories Data (6) Data Release - Under Revision (2) Tag Types Theme (30) Place (18) Tags (with Scheme=None) conus (2) dauphin island sea labs (2) gulf of mexico (2) annual stream temperature (1) california (1) central valley (1) chicot aquifer (1) More... View Results as: JSON ATOM CSV Browse Folder

EPA Impaired Waters presence and causes for HUC12 watersheds across the Conterminous U.S. This dataset summarizes impairment status for HUC12 watersheds at the CONUS scale using the EPA publicly available Assessment, Total Maximum Daily Load (TMDL) Tracking and Implementation System (ATTAINS) geospatial package and the USGS Watershed Boundary Dataset (WBD). ATTAINS is an online system maintained by the EPA containing information about the condition of the Nation’s surface waters, as reported by individual states. These data were downloaded in October 2023 and primarily reflect 2022 stream conditions. Because of the varying data types that exist in the database, an independent methodology was developed for summarizing impairment status for HUC12 watersheds using the USGS WBD as detailed in this metadata... Categories: Data; Tags: CONUS, Contaminants, Conterminous U.S., Ecosystem, Environment, All tags... Ground Water, Impaired Waters, Management, Natural Resources, Streams, USGS Science Data Catalog (SDC), Water, contamination and pollution, surface water quality, water quality, watershed management, Fewer tags Long-term monotonic trends in annual and monthly streamflow metrics at streamgages in the United States (Under Revision) Note: this data release is currently being revised and is temporarily unavailable The U.S. Geological Survey (USGS) Water Resources Mission Area (WMA) is working to address a need to understand where the Nation is experiencing water shortages or surpluses relative to the demand for water need by delivering routine assessments of water supply and demand and an understanding of the natural and human factors affecting the balance between supply and demand. A key part of these national assessments is identifying long-term trends in water availability, including groundwater and surface water quantity, quality, and use. This data release contains Mann-Kendall monotonic trend analyses for 18 observed annual and monthly... Categories: Data, Data Release - Under Revision; Tags: Hydrology, United States, Water Resources, droughts, floods, All tags... hydrology, inlandWaters, streamflow, trends, Fewer tags MODFLOW-OWHM Used to Characterize the Groundwater Flow System of the Central Valley A three-dimensional groundwater flow model of the Central Valley in California was developed to aid water managers in understanding how water moves through the aquifer system, to predict water-supply scenarios, and to address issues related to subsidence. The USGS California Water Science Center made a detailed assessment of groundwater availability of the Central Valley aquifer system, which includes: (1) the status of groundwater resources; (2) how these resources have changed over time, particularly related to subsidence; and (3) tools to assess system responses to stresses from future human uses and climate variability and change. This effort builds on previous investigations, such as the USGS Central Valley... Categories: Data; Tags: California, Central Valley, Corcoran Clay, Sacramento Valley, San Joaquin Basin, All tags... San Joaquin Valley, Tulare Basin, USGS Science Data Catalog (SDC), Water Resources, environment, groundwater and surface-water interaction, groundwater flow modeling, groundwater level, land subsidence, Fewer tags Modeled daily salinity derived from multiple machine learning methodologies and Generalized Additive models for three salinity monitoring sites in Mobile Bay, northern Gulf of Mexico, 1980–2021 Results from Generalized Additive models (GAM), Random Forest models (RFM), and Cubist models (CUB) for three Dauphin Island Sealab (DIS) operated salinity sites in Mobile Bay are reported in this data release. These sites included Meaher Park (DIS:MHPA1), Middle Bay Lighthouse (DIS:MBLA1), and Dauphin Island (DIS:DPIA1). The constructed models predicted a 40-year daily salinity record from 1980 to 2021 at each site based on incomplete imputed salinity records and several explanatory variables. Explanatory variables included: daily streamflow from 8 United States Geological Survey (USGS) streamgages, daily minimum and maximum temperature, precipitation, vapor pressure, wind speed, wind direction, horizontal and... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Cubist model, Dauphin Island Sea Labs, Dauphin Island Sea Labs, Generalized Additive model, Gulf of Mexico, All tags... Gulf of Mexico, Hydrology, Mobile Bay, Modeling, Random Forest machine learning model, Salinity, USGS Science Data Catalog (SDC), Fewer tags Stream heat budget model input and scripts for simulating groundwater and thermal equilibrium controls on annual paired air-water temperature signal transport in headwater streams We investigated the relative importance of groundwater (GW) and other local heat budget processes on downstream annual stream temperature signal characteristics using deterministic heat budget model (HFLUX) scenarios within an idealized stream reach representative of mountainous forested conditions. The purpose of this data release is to provide additional supplemental information for a published manuscript (Johnson et al., 2024). In this data release, we include (i) example input spreadsheets and an R script demonstrating how to read-in, edit, and export spreadsheet files without the need for a proprietary license, and (ii) MATLAB scripts necessary to run the HFLUX model and an example MATLAB script for developing... Tags: Hydrology, USGS Science Data Catalog (SDC), Water Quality, annual stream temperature, climate change, All tags... equilibrium temperature, groundwater temperature, heat budget modeling, inlandWaters, thermal regimes, Fewer tags Identifying post-reservoir construction periods for monotonic trend analysis at streamgages in the United States (Under Revision) Note: this data release is currently being revised and is temporarily unavailable The U.S. Geological Survey (USGS) Water Resources Mission Area (WMA) is working to address a need to understand where the Nation is experiencing water shortages or surpluses relative to the demand for water need by delivering routine assessments of water supply and demand and an understanding of the natural and human factors affecting the balance between supply and demand. A key part of these national assessments is identifying long-term trends in water availability, including groundwater and surface water quantity, quality, and use. An understanding of the impacts of reservoirs on water availability is essential for this assessment.... Categories: Data, Data Release - Under Revision; Tags: CONUS, United States, Water Resources, inlandWaters Airborne electromagnetic, magnetic, and radiometric surveys of the Mississippi Alluvial Plain and Chicot Aquifer System, March 2018 and May - August 2021: Minimally Processed (Raw) Data The raw data files within the “Airborne electromagnetic, magnetic, and radiometric surveys of the Mississippi Alluvial Plain and Chicot Aquifer System, March 2018 and May - August 2021: Minimally Processed (Raw) Data” child item are broken up according to the three main objectives of these surveys: River surveys along the thalweg of major rivers within the MAP and the Chicot Aquifer extents; Levee surveys along the Mississippi and Arkansas rivers from Cairo, IL to Baton Rouge, LA and northwest from the confluence of the Mississippi and Arkansas rivers to Pine Bluff, AR; and gridded products mainly focused on gravel bars within the Mississippi River from Helena, MS to the confluence with the Arkansas River. The... Categories: Data; Tags: Arkansas, Arkansas River, Bayou Lacassine, Bayou Teche, Big Sunflower River, All tags... Black River, Bogue Phalia, Calcasieu River, Chicot aquifer, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Illinois, Little Red River, Little Sunflower River, Louisiana, MRVA, Mermentau River, Mississippi, Mississippi Alluvial Plain, Mississippi River, Mississippi River Valley Alluvial aquifer, Missouri, Obion River, Ouachita River, Raccourci Old River, Sabine River, Saline River, Tennessee, Tensas River, USGS Science Data Catalog (SDC), Vermillion River, WAUSP, Water Availability and Use Science Program, White River, aeromagnetic surveying, aeroradiometric surveying, electromagnetic surveying, electromagnetics, engineering sciences, environment, geophysics, geoscientificInformation, geospatial datasets, groundwater, hydrogeology, magnetic field, magnetics, radiometrics, resistivity, water resources, Fewer tags