79 datasets found
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Federal
Geochemical data including mercury for subsamples of deep cores from the Cache Creek Settling Basin, Yolo County, California
Department of the Interior —
Sediment cores were collected in the Cache Creek Settling Basin (CCSB), Yolo County, California, during October 2011 at 10 locations (borehole sites) and during... -
Federal
Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 10.0, January 2025)
Department of the Interior —
Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks, Protected Places, and other... -
Federal
Regional Trends of Isotopic Composition in Total Gaseous Mercury Across the United States
Department of the Interior —
The dataset presented here represents the concentrations and stable isotopic composition of gaseous mercury (Hg) for 31 sites across the United States. This national-... -
Federal
Maternal transfer of mercury to northern elephant seal pups
Department of the Interior —
We used free-ranging northern elephant seals as a model species to investigate maternal transfer of mercury (Hg) to pups in relation to maternal traits, including... -
Federal
Surface-Water Geochemistry of Mercury and other Constituents in Clear Lake, Lake County, California
Department of the Interior —
Clear Lake is a 180 km2 freshwater lake located approximately 120 km northwest of Sacramento in the California Coast Range. The lake is a popular sport-fishing... -
Federal
Mercury speciation and other constituent data for surface water and bed sediment associated with the Hamilton Airfield Wetland Restoration, Novato, California. USA (ver. 6.0, April 2025)
Department of the Interior —
The Hamilton Wetland Restoration Project (HWRP) is a joint venture between the US Army Corps of Engineers (USACE; San Francisco District) and the California State... -
Federal
Chemical characterization of water and suspended sediment of the Snake River and Hells Canyon Complex (Idaho, Oregon) (ver. 3.0, November 2023)
Department of the Interior —
This dataset includes laboratory analyses of surface water samples and sediment trap material collected from (1) locations upstream, downstream, and within the Hells... -
Federal
Mercury and Methylmercury Stable Isotope Measurements in Giant Petrels
Department of the Interior —
Methylmercury (MeHg) and total mercury (HgT) stable isotope measurements were made by the USGS Mercury Research Lab (MRL) in different organs on the Giant Petrels... -
Federal
Egg mercury concentration and egg size in two songbird species
Department of the Interior —
This dataset includes egg total mercury concentrations, egg total mercury burden, egg length, egg width, predicted egg volume, and predicted fresh wet weight... -
Federal
Measurements of mercury stable isotopes during planktonic uptake and photochemical demethylation of methylmercury
Department of the Interior —
Laboratory experiments were performed between 2019 and 2020 to examine how dissolved organic matter (DOM) and phytoplankton (Raphidocelis subcapitata) cells alter... -
Federal
Mercury exposure in piscivorous birds at the Carson River (NV) superfund site, 1997-2006
Department of the Interior —
The persistence and degree of mercury contamination of the lower Carson River system (LCRS) have led to placement of a portion of the Carson River Basin (including... -
Federal
Mercury Stable Isotope Assessment of Global Food Webs
Department of the Interior —
This dataset describes mercury (Hg) stable isotope values in fish dorsal muscle from different freshwater environments across the globe. Fish were collected at... -
Federal
Mercury in soil, water, sediment, and biota in headwater streams associated with wildfires in the northwestern U.S., 2021-2022
Department of the Interior —
Comma-separated values (.csv) files containing data related to mercury in soil, water, sediment, in-stream leaf litter, periphyton, and aquatic invertebrates... -
Federal
Mercury concentrations in dragonfly larvae from the Willamette River Basin, 2023
Department of the Interior —
Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from the Willamette River Basin collected in 2023. -
Federal
Mercury stable isotopes in biota, sediment, groundwater, and waste piles, Clear Lake area, Lake County, California, 2019-2022
Department of the Interior —
Samples were collected from Clear Lake, California from 2019-2022 by the U.S. Geological Survey (USGS) California Water Science Center, the USGS Forest and Rangeland... -
Federal
Mercury Concentrations in Litterfall, Bad River Watershed, Wisconsin, 2012-2018
Department of the Interior —
Annual litterfall samples were collected and analyzed for THg (total mercury) and MHg (methyl mercury) at a site (WI95) on Bad River tribal lands during 2012 to 2018.... -
Federal
Geochemical data for water, sediment, and biota in Lake Combie, California, 2017-2021
Department of the Interior —
This dataset includes field measurements and laboratory analyses of surface water, bottom water (sediment-water interface), surficial (0-2 cm) sediment, pore water... -
Federal
Total mercury concentrations in bat tissues and blood from southwestern U.S. National Parks in 2023
Department of the Interior —
Comma-separated values (.csv) file containing data related to bat sampling from southwestern U.S. National Parks in 2023. Data file contains mercury concentrations in... -
Federal
Incubation Constancy, Number of Incubation Recesses, Recess Duration and Mercury Concentrations for Tree Swallows at the Cosumnes River Preserve 2014
Department of the Interior —
These metadata provide data used to examine tree swallow incubation behavior in relation to egg mercury concentration and maternal blood mercury concentration. These... -
Federal
Total Mercury Concentrations in Fish Muscle from the Colorado River and Bright Angel Creek, AZ, USA (2015)
Department of the Interior —
Mercury is a globally distributed pollutant that threatens human and ecosystem health. Even protected areas, such as national parks, are subjected to mercury...
79 datasets found