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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Biological and physical attributes of side channels of the Upper Mississippi River System Biological and physical attributes of side channels of the Upper Mississippi River System
Fish richness and physical characteristics of side channels in the Upper Mississippi River and Illinois River.
Total mercury, methylmercury, and isotopic composition in various life stages of boreal chorus frogs (Pseudacris maculata) at two subalpine ponds in the Rocky Mountains, CO, USA, 2015 Total mercury, methylmercury, and isotopic composition in various life stages of boreal chorus frogs (Pseudacris maculata) at two subalpine ponds in the Rocky Mountains, CO, USA, 2015
Mercury is an atmospherically transported contaminant found even in relatively pristine habitats. Once accumulated at the base of the food web, mercury can move between animals that are linked trophically. Pond-breeding amphibians may be particularly important vectors of mercury flux from remote freshwater to terrestrial systems because they feed on algae and detritus as tadpoles and...
Time-domain Electromagnetic Soundings to Estimate the Extent of Saltwater Intrusion on Shelter Island, New York (2017-2018) Time-domain Electromagnetic Soundings to Estimate the Extent of Saltwater Intrusion on Shelter Island, New York (2017-2018)
Twenty-six time-domain electromagnetic (TDEM) soundings were collected on Shelter Island, New York between March of 2017 and October of 2018. Soundings were collected using the Geonics ProTEM and ABEM WalkTEM acquisition systems. Depending on the size of the site, one of the following square-loop transmitter geometries was used: 1) 20 by 20 meter, 2) 40 by 40 meter, or 3) 100 by 100...
Veterinary antibiotic residues in surface runoff flowing through vegetative buffer strip plots located at the University of Missouri Bradford Research and Extension Center (Columbia, MO) in September 2020 Veterinary antibiotic residues in surface runoff flowing through vegetative buffer strip plots located at the University of Missouri Bradford Research and Extension Center (Columbia, MO) in September 2020
Vegetative buffer strips have been demonstrated to effectively reduce loads of sediment, nutrients, and herbicides in surface runoff, but their effectiveness for reducing veterinary antibiotic loads in runoff has not been well documented. Surface runoff simulation where performed to determine the effectiveness of Vegetative buffer strips vegetation and width on surface runoff loads of...
Elemental and Strontium Isotopic Composition of Select Central Plateau and Upper Basin Member Rhyolites, Yellowstone Plateau Volcanic Field Elemental and Strontium Isotopic Composition of Select Central Plateau and Upper Basin Member Rhyolites, Yellowstone Plateau Volcanic Field
The Yellowstone Plateau Volcanic field consists of lavas from the last two million years. The most recent volcanic units are the Central Plateau Member and the older Upper Basin Member rhyolites (Christiansen, 2001). Investigations into the elemental and isotopic composition of these lavas can provide insight into the recent volcanic history of the different eruptive episodes and provide
Bathymetry and acoustic backscatter data from Floras Lake, Oregon, June 2018 Bathymetry and acoustic backscatter data from Floras Lake, Oregon, June 2018
This publication releases single-beam bathymetry and backscatter datasets acquired by the U.S. Geological Survey (USGS) during surveys performed on Floras Lake, Oregon, in June 2018. Bathymetry and backscatter data were collected using two personal watercraft (PWCs) equipped with single-beam sonar systems, sidescan sonar systems, and global navigation satellite system (GNSS) receivers...