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Mercury speciation and other constituent data for surface water and bed sedim...
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... -
Electron microprobe data for monazite and xenotime used in consideration of g...
The genetic origin of many gold deposits, including Pogo in Alaska, remains controversial with questions as to whether they formed due to magmatic-hydrothermal or metamorphic-... -
Geochemical Data for Mercury and Other Constituents in Redox- Manipulated Sed...
Clear Lake, located within the Coast Range west of California’s Central Valley, is the largest natural freshwater lake contained fully within the state and geologically is... -
MCHM Degradation Data Release
This USGS data release includes all the data presented in peer-reviewed publication entitled "Degradation of MCHM (4-methylcyclohexanemethanol) in Sediments from Elk River, West... -
Comparison of methane concentration and stable carbon isotope data for natura...
A discrete sample introduction module (DSIM) was developed and interfaced to a cavity ring-down spectrometer to enable measurements of methane and CO2 concentrations and 13C... -
Reductive dechlorination rate data for 4,4'-DDE in sediments of the Palos Ver...
Wastes from the world’s largest manufacturer of DDT were released into the Los Angeles County municipal sewer system from 1947 to 1971. Following primary treatment, the effluent... -
Data for monitoring trace metals in sediment and clam tissue near the Palo Al...
Sediment particles can strongly bind metals, effectively repartitioning them from solution to a solid phase. As a result, sediments may accumulate and retain metals released to... -
Geophysical properties, geochronologic, and geochemical data of sediment core...
Geophysical properties (P-wave velocity, gamma ray density, and magnetic susceptibility), geochronologic (radiocarbon, excess Lead-210, and Cesium-137), and geochemical data... -
Arsenic and Iron data (2010-2015) for petroleum plume mass balance, Bemidji MN
Natural attenuation of organic contaminants in groundwater can give rise to a series of complex biogeochemical reactions that release secondary contaminants to groundwater. In a... -
Geochemistry of fine-grained sediment in Bellingham Bay, Nooksack River, and ...
Elemental compositions are reported for the fine fraction of surface sediments from Bellingham Bay (June 2017 and March 2019) and in the fine fraction of streambank sediment... -
Sorbed-water (H2O-) corrected chemistry for ferromanganese crust samples from...
Ferromanganese crust samples were collected via dredge during four oceanographic research cruises to the western equatorial Pacific Ocean. The location (latitude, longitude,... -
Physico-chemical characteristics and sediment and nutrient fluxes of floodpla...
Dataset includes site averages of measurements of floodplain and streambank sediment physico-chemistry and long-term (dendrogeomorphic) vertical and lateral geomorphic change,... -
Mercury concentration data for soil, surface water and rice grain from six co...
Mercury (Hg) is a well-known toxic element and environmental contaminant. The central valley of California has long been identified as a hotspot for Hg contamination due to the... -
MCHM Degradation Data Release
This USGS data release includes all the data presented in peer-reviewed publication entitled "Degradation of MCHM (4-methylcyclohexanemethanol) in Sediments from Elk River, West... -
Elemental chemistry, radionuclides, and charcoal in watershed soil and reef s...
Fine-sediment elemental chemistry, short-lived cosmogenic radionuclides (Beryllium-7, Cesium-137, and Lead-210), charcoal counts, and total organic carbon contents were... -
210Pb and 137Cs measurements from core 721-1 obtained in 2002 off San Francis...
This data release provides 210Pb and 137Cs measurements in sediments of a core obtained off San Francisquito Creek in South San Francisco Bay. -
Parent and alkylated polycyclic aromatic hydrocarbons (PAHs) in watershed soi...
Seventy six parent and alkylated polycyclic aromatic compounds, including polycyclic aromatic hydrocarbons (PAHs), were quantified in watershed and reef sediment from Olowalu,... -
Nearshore surface sediment metals, grain size, and organic carbon content, Si...
Between May 24 and 26, 2020, five sediment samples were collected with a pre-cleaned (acid-washed) hand-push corer into WhirlPak bags for analysis of grain size and organic... -
Geochemistry of sediment and organic matter in drainages burned by the Altas ...
Fine-grained sediment was collected from the banks of Napa River, Sonoma Creek, and tributaries in March 2018 and from shallow nearshore areas of the northern reach of San... -
Inorganic compositional data for fine-grained Puget Sound sediment along the ...
Nearshore surface sediment was collected with a petit ponar grab sampler between April 22 and September 17, 2015, at five sites in Puget Sound, Washington. Four sites were...