Catalog - Data.gov

Mercury speciation and other constituent data for surface water and bed sediment associated with the Hamilton Airfield Wetland Restoration, Novato, California. USA

Organization: Department of the Interior
Updated: 20200818 | Harvested: July 17, 2025 at 06:47 PM

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 Coastal Conservancy. The site is...

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Mercury speciation and other constituent data for surface water and bed sediment associated with the Hamilton Airfield Wetland Restoration, Novato, California. USA.(ver. 2.0, June 2021)

Organization: Department of the Interior
Updated: 20220315 | Harvested: July 16, 2025 at 12:56 PM

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 Coastal Conservancy. The site is...

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Water-quality data including mercury and methylmercury at selected sites in the Cache Creek watershed, Yolo County, California: U.S. Geological Survey data release

Organization: Department of the Interior
Updated: 20250411 | Harvested: September 04, 2025 at 07:56 PM

This dataset includes water-quality and sediment data for 647 environmental samples collected at 53 surface-water sites in Cache Creek (Cache C) watershed, Yolo County, California, between...

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An integrated ecological modeling system for assessing impacts of multiple stressors on stream and riverine ecosystem services within river basins

Organization: U.S. Environmental Protection Agency
Updated: 2017-04-11 | Harvested: June 27, 2025 at 08:33 PM

We demonstrate a novel, spatially explicit assessment of the current condition of aquatic ecosystem services, with limited sensitivity analysis for the atmospheric contaminant mercury. The...

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Measurements of mercury stable isotopes during planktonic uptake and photochemical demethylation of methylmercury

Organization: Department of the Interior
Updated: 20231206 | Harvested: July 16, 2025 at 09:59 AM

Laboratory experiments were performed between 2019 and 2020 to examine how dissolved organic matter (DOM) and phytoplankton (Raphidocelis subcapitata) cells alter mercury (Hg) uptake and isotope...

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Mercury Concentrations and Loads in United States and Canadian Tributaries of Lake Superior

Organization: Department of the Interior
Updated: 20220923 | Harvested: July 16, 2025 at 10:11 AM

In 2021, the U.S. Geological Survey (USGS) Mercury Research Laboratory (MRL) conducted a large-scale assessment of mercury (Hg) concentrations and Hg stable isotope values in tributaries of Lake...

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Shallow Sediment Geochemistry in a Mercury-Contaminated Multi-Habitat Floodplain: Cache Creek Settling Basin, Yolo County, California (version 2.0, August 2021)

Organization: Department of the Interior
Updated: 20210804 | Harvested: July 16, 2025 at 01:26 PM

The Cache Creek Settling Basin (CCSB) is a 13.3 km2 leveed basin located at the terminal drainage of the Cache Creek watershed, immediately NE of the town of Woodland (Yolo County), California and...

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Shallow Sediment Geochemical Data for the Cache Creek Settling Basin, Yolo County, California

Organization: Department of the Interior
Updated: 20210804 | Harvested: July 16, 2025 at 01:35 PM

This dataset includes shallow surface sediment (top 0–2 cm interval) constituent concentration data (primarily) and microbial methylmercury production potential rate data (limited) collected from...

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Temporal Mercury Concentration and Stable Isotope Assessment of Seston, Waters, Sediment, and Particulates from Lakes Mendota and Monona, Madison, Wisconsin, 2021-2022

Organization: Department of the Interior
Updated: 20250411 | Harvested: September 05, 2025 at 08:20 PM

This dataset describes mercury (Hg) and methylmercury (MeHg) concentration data and Hg and MeHg stable isotope values in plankton, waters, and sediments that were collected from two inland...

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Methylmercury effects on birds: Bibliography and dataset for the development of toxicity reference values for injury assessment

Organization: Department of the Interior
Updated: 20240430 | Harvested: July 16, 2025 at 03:15 AM

This data release contains three files. The first (Table S1 Bibliography Dataset) contains the entire bibliography for the 435 publications examined for potential inclusion into at least one of...

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Methylmercury and associated data in macroinvertebrates from tributaries of Honnedaga Lake and from the Middle Branch Black River in New York.

Organization: Department of the Interior
Updated: 20200825 | Harvested: July 17, 2025 at 07:21 PM

Macroinvertebrate samples were collected from streams tributary to Honnedaga Lake and from the Middle Branch of the Black River during 2012-2016 and analyzed for methylmercury concentrations and...

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Stable Mercury Isotopic Analyses in Natural Matrices via Rapid Pre-Concentration Method Data Release

Organization: Department of the Interior
Updated: 20200827 | Harvested: July 18, 2025 at 01:44 AM

This data relates to the development of a modified pre-concentration method for mercury (Hg) stable isotope measurements that uses chemical Hg reduction and gold trap amalgamation followed by...

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