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Streamflow input datasets and model results using the Weighted Regressions on Time, Discharge, and Season (WRTDS) Models to estimate total organic carbon and other constituent concentrations in eight rivers in Connecticut, water years 1973 to 2019 Streamflow input datasets and model results using the Weighted Regressions on Time, Discharge, and Season (WRTDS) Models to estimate total organic carbon and other constituent concentrations in eight rivers in Connecticut, water years 1973 to 2019
This data release provides data in support of an assessment of changes in slope of the concentration-discharge relation for total organic carbon in eight major rivers at gaging stations in Connecticut from October 1972 to September 2019 (U.S. Geological Survey water years 1973 to 2019). The rivers include the Connecticut at Thompsonville (01184000), Housatonic at Stevenson (01205500)...
Streamflow measurement and channel cross section data from a synoptic base-flow survey of the Verde River, Arizona, USA January 2021 Streamflow measurement and channel cross section data from a synoptic base-flow survey of the Verde River, Arizona, USA January 2021
These data include a summary of a base flow survey of the Verde River within Verde Valley, a ~65km reach from ~7 km above Clarkdale, AZ to ~5km below the mouth of West Clear Creek. Data include discharge, water temperature, and specific conductance values from 22 sites on the Verde River and its tributaries, including Oak Creek, Beaver Creek, West Clear Creek, and irrigation ditches...
Streamflow Observation Points in the Upper Plains, 1973-2018 Streamflow Observation Points in the Upper Plains, 1973-2018
This produced dataset includes spatially aggregated records of measurements and observations from public and private organizations across the Upper Missouri River Basin. For this dataset the Upper Missouri River Basin is defined as Hydrologic Unit Code 1002-1013, and includes the states of Montana, Wyoming, Utah, North Dakota, and South Dakota. Streamflow measurements are an essential...
Streamwater constituent load data, models, and estimates for 15 watersheds in DeKalb County, Georgia, 2012-2016 Streamwater constituent load data, models, and estimates for 15 watersheds in DeKalb County, Georgia, 2012-2016
This data release contains eight datasets and metadata related to streamwater constituent load estimation and E. coli bacteria concentration predictions at 15 watersheds in DeKalb County, Georgia for 2012 to 2016 (the water-quality model calibration data goes through 9/22/2017 and the water-quality assurance samples goes through 11/7/2017). Loads were estimated for 15 constituents...
Structure from motion products associated with UAS flights in Sandwich, Massachusetts between January 2016 - September 2017 Structure from motion products associated with UAS flights in Sandwich, Massachusetts between January 2016 - September 2017
Low-altitude (80-100 meters above ground level) Unmanned Aircraft Systems (UAS) imagery of Town Neck Beach in Sandwich, Massachusetts, were used in a structure-from-motion (SfM) photogrammetry workflow to create high-resolution topographic datasets. Imagery was collected at close to low tide on twelve days to observe changes in beach and dune morphology. Ground control points (GCPs)...
Sulfur isotope analyses of mineral deposits: sulfide minerals in epithermal veins of the Lowland mining district, Montana, USA and anhydrite associated with the Black Angel zinc-lead-silver deposit, Greenland Sulfur isotope analyses of mineral deposits: sulfide minerals in epithermal veins of the Lowland mining district, Montana, USA and anhydrite associated with the Black Angel zinc-lead-silver deposit, Greenland
These data are sulfur isotope determinations (34S/32S ratios) for sulfur-bearing minerals collected from epithermal veins in the Lowland mining district, Montana, USA and from metasedimentary rocks that host the Black Angel zinc-lead-silver deposit, Greenland. The samples were collected by cooperators as parts of larger ore genesis studies. The determinations were performed between...
Summary and synthesis of 15 years of the Amphibian Vital Sign monitoring in the National Capital Region Inventory and Monitoring Network Summary and synthesis of 15 years of the Amphibian Vital Sign monitoring in the National Capital Region Inventory and Monitoring Network
This data set is comprised of four files related to the counts of amphibian species in the National Capital Region of the United States. Data was obtained from surveys of both lentic (wetland) and lotic (stream) sites within national parks.
Summary of proposed changes to geologic inputs for the U.S. National Seismic Hazard Model (NSHM) 2023, version 1.0 Summary of proposed changes to geologic inputs for the U.S. National Seismic Hazard Model (NSHM) 2023, version 1.0
This data release documents proposed updates to geologic inputs (faults) for the upcoming 2023 National Seismic Hazard Model (NSHM). This version (1.0) conveys differences between 2014 NSHM fault sources and those recently released in the earthquake geology inputs for the U.S. National Seismic Hazard Model (NSHM) 2023, version 1.0 data release by Hatem et al. (2021). A notable difference...
SUPERSEDED: Data Associated with Algal Toxin Testing of Seabirds from the Bering and Chukchi Seas, 2017 SUPERSEDED: Data Associated with Algal Toxin Testing of Seabirds from the Bering and Chukchi Seas, 2017
This data set is comprised of three tables with results of algal toxin screening for saxitoxin and domoic acid. We used enzyme-linked immunosorbent assay (ELISA) and high-performance liquid chromatography (HPLC) to screen seabirds in the Bering and Chukchi Seas, 2017.
SUPERSEDED: Map of Eelgrass Distribution in 1999 and Field Survey Points in 2010 at Chignik Lagoon and Mud Bay, Alaska SUPERSEDED: Map of Eelgrass Distribution in 1999 and Field Survey Points in 2010 at Chignik Lagoon and Mud Bay, Alaska
This doi was reserved and published in error. Field survey data of eelgrass distribution and abundance at Chignik Lagoon are available in a USGS Data Release: https://doi.org/10.5066/P9URZJYW Map data of eelgrass distribution from locations in Alaska (including Chignik Lagoon) are available in a USGS Data Release: https://doi.org/10.5066/P9WEK4JI
Supplemental Data: Surface Infiltration and Unsaturated Zone Characterization in Support of Managed Aquifer Recharge in Bedell Flat, Washoe County, Nevada Supplemental Data: Surface Infiltration and Unsaturated Zone Characterization in Support of Managed Aquifer Recharge in Bedell Flat, Washoe County, Nevada
This USGS data release presents tabular data and photos used to determine (1) the duration of flow, subsurface temperature, and concurrent infiltration along an ephemeral channel and (2) vertical change of soil moisture, texture, and pore-water chemistry in the unsaturated zone at selected locations. The data were collected to investigate the feasibility of managed aquifer recharge (MAR)...
Supporting data for analysis of general water-quality conditions, long-term trends, and network analysis at selected sites within the Missouri Ambient Water-Quality Monitoring Network, water years 1993–2017 Supporting data for analysis of general water-quality conditions, long-term trends, and network analysis at selected sites within the Missouri Ambient Water-Quality Monitoring Network, water years 1993–2017
The U.S. Geological Survey (USGS), in cooperation with the Missouri Department of Natural Resources (MDNR), collects data pertaining to the surface-water resources of Missouri. These data are collected as part of the Missouri Ambient Water-Quality Monitoring Network (AWQMN) and are stored and maintained by the USGS National Water Information System (NWIS) database. These data constitute...