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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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Direct-push sediment cores, resistivity profiles, and depth-averaged resistivity collected for Platte River Recovery and Implementation Program in Phelps County, Nebraska

The U.S. Geological Survey (USGS), in collaboration with the Platte River Recovery and Implementation Program, collected capacitively coupled (CC) resistivity data and six direct push sediment cores to identify the coarsest alluvial deposits underlying the Morse properties in central Nebraska to supplement the subsurface geologic information, for the purposes of proper siting of intentional rechar

Field data used to support hydrologic modeling for the U.S. Geological Survey's San Francisco Bay Area "BALT1" landslide monitoring site

This Data Release includes information used to support numerical simulations of variably-saturated flow focused on measurement-based variability in soil-water retention properties for the U.S. Geological Survey's San Francisco Bay Area "BALT1" landslide monitoring site in the East Bay region of California, USA (see Thomas et al., 2018). The eight datasets are: (1) geologic and instrumentation logs

Organic Carbon Data in Water Samples from Minnesota Lakes, 2012 to 2013

The sampling of three hydrologically diverse Minnesota Lakes (Williams Lake, Shingobee Lake, and Lake Manganika) took place during the years of 2012 to 2013. Water samples were collected and filtered in the field using 0.45 micrometer capsule filters (Versapor membrane), silicon tubing, and a peristaltic pump. Water samples were then shipped on ice to the U.S. Geological Survey in Boulder, Colorad

Emerging fungal pathogen Ophidiomyces ophiodiicola in wild European snakes

Snake fungal disease (SFD) is an emerging disease of wild snakes in eastern North America caused by the fungus Ophidiomyces ophiodiicola. Recently, the disease has also been detected in wild snake in Europe. The data presented here describe: 1) culture, PCR, and histopathology results of wild European snakes opportunistically sampled for O. ophiodiicola, 2) colony expansion rates of various isolat

Environmental conditions synchronize waterbird mortality events in the Great Lakes: Data

During 2010 to 2013, waterbird mortality surveillance programs used a shared protocol for shoreline walking surveys performed June to November at three areas in northern Lake Michigan. Timing (to day) and location (to transect) of carcass deposition and species affected were summarized. Using these observations, the broader goal of our study was to quantify the spatial synchrony of avian mortality

Streambed sediment data for Missouri and Niobrara Rivers, Nebraska and South Dakota, 2015

Deltaic sand deposits at the head of Lewis and Clark Lake, Nebraska-South Dakota were investigated for suitability for use as a proppant feedstock resource in unconventional oil or gas production. The physical characteristics of the deposits are described in four supplemental data sets in varied file formats. First, for the direct-push cores collected at four sandbar complexes in the Missouri Rive

Groundwater Seepage Measurements in Northeast Section of Bear Lake, Muskegon County, Michigan, October 2015

Five discrete groundwater seepage measurements were collected to make a direct measurement of the flux of water across the sediment-water interface. Change in volume/time is the volumetric rate of flow. The volumetric rate of flow was used to calculate flux velocity (distance/time), by dividing the specific area of the seepage meter (2.70-square-feet). The change in volume over the time the seepag

National USEPA Clean Watershed Needs Survey WWTP nutrient loads 1978 to 2012

This dataset contains tabular data for U.S. Environmental Protection Agencys (EPA) Clean Watersheds Needs Survey (CWNS) wastewater treatment facility information. Literature-based average total nitrogen and total phosphorous concentrations were substituted for wastewater treatment levels reported for each facility because little or no concentration data is reported in the CWNS. Concentrations were

An expert elicitation process to project the frequency and magnitude of Florida manatee mortality events caused by red tide (Karenia brevis)

Table summarizing results from expert elicitation process to project the frequency and magnitude of Florida manatee mortality events caused by red tide (Karenia brevis).

Determinants of Pseudogymnoascus destructans within bat hibernacula: data

This dataset includes data used to summarize trends and identify best-fit models to explain patterns in presence-absence and abundance of Pseudogymnoascus destructans (Pd) in environmental substrates and on bats within six bat hibernacula at different stages of white-nose syndrome (WNS). Data relating to environmental substrates include: dates and relative spatial locations of samples collected wi

BEWARE database: A Bayesian-based system to assess wave-driven flooding hazards on coral reef-lined coasts

A process-based wave-resolving hydrodynamic model (XBeach Non-Hydrostatic, XBNH) was used to create a large synthetic database for use in a Bayesian Estimator for Wave Attack in Reef Environments (BEWARE), relating incident hydrodynamics and coral reef geomorphology to coastal flooding hazards on reef-lined coasts. Building on previous work, BEWARE improves system understanding of reef hydrodynami

Selected Data from Preliminary Report on the Timmins-Kirkland Lake Area Gold Deposits File

Data on gold deposits are extracted from an existing publication to enable analysis. The data comprise selected portions of a data set that are published by C.J. Hodgson in "Preliminary Report on the Timmins-Kirkland Lake Area Gold Deposits File," which is available online as a digital image of a report. As an image, the data set cannot be analyzed. Consequently, selected portions of the data set