Found 589 datasets matching "carbon concentrations".
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Chemical changes in hot springs, as recorded by thermal waters and their mineral deposits, provide a window into the evolution of Yellowstone’s postglacial hydrothermal system. Travertine...
Search relevance: 113.59 | Views last month: 0 -
This data release provides data for dissolved organic carbon concentrations calculated for USGS station number 02292900, Caloosahatchee River at S-79, NR. Olga, FLA. A site-specific regression...
Search relevance: 106.94 | Views last month: 0 -
This data release provides data for quantifying the aquatic export of total carbon in a cypress swamp within the Big Cypress National Preserve, and is part of a larger carbon budget study. The...
Search relevance: 104.74 | Views last month: 0 -
Elemental concentrations and stable oxygen and carbon isotope ratios are reported for five mammillary calcite specimens collected from the groundwater-filled fissures Devils Hole and Devils Hole...
Search relevance: 104.31 | Views last month: 0 -
This data set provides carbon (C), nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), and magnesium (Mg) concentrations in green and senesced leaves. Vegetation characteristics reported...
Search relevance: 102.84 | Views last month: 0 -
Breakthrough data in granular activated carbon columns for carcinogenic volatile organic compounds. This dataset is associated with the following publication: Kempisty, D., R.S. Summers, G....
Search relevance: 101.34 | Views last month: 0 -
This metadata record contains 6 tables used to assess sources of Polychlorinated Biphenyls (PCB) in the Back River watershed, Baltimore City, Maryland. Included in the dataset are PCB...
Search relevance: 99.85 | Views last month: 0 -
This data release provides data for filter-passing total mercury, filter-passing methylmercury, particulate total mercury, particulate methylmercury, and dissolved organic carbon concentrations...
Search relevance: 98.83 | Views last month: 0 -
This dataset contains measurements of water quality parameters (temperature, salinity, specific conductance, dissolved oxygen, and pH) and concentrations of dissolved organic carbon (DOC),...
Search relevance: 92.03 | Views last month: 2 -
A watershed in the coastal Canadian Arctic was sampled for dissolved carbon dioxide and methane concentration and stable carbon (carbon-13) isotopes to trace the transport, production, and...
Search relevance: 84.98 | Views last month: 0 -
This dataset includes carbon and nitrogen isotope concentrations measured in polar bear hair and marine mammal prey muscle and blubber samples collected 1978-2019 in the Beaufort and Chukchi Seas....
Search relevance: 84.44 | Views last month: 0 -
This dataset includes total phosphorus (TP), total nitrogen (TN), and total carbon (TC) concentrations as well as δ15N and δ13C composition, and overall C:N:P stoichiometry for adult emergent...
Search relevance: 76.10 | Views last month: 0 -
The Bemidji crude oil spill site is a long-term USGS study site to understand the fate of crude oil in the shallow subsurface. A description of the site can be found at...
Search relevance: 73.79 | Views last month: 0 -
The OceanX 2025 campaign on the OceanXplorer presented a unique and compelling opportunity for NASA in collaboration with OceanX to collect critical in-water optical measurements and...
Search relevance: 73.10 | Views last month: 1 -
This data release provides data in support of an assessment of changes in slope of the concentration discharge relation for total organic carbon in eight major rivers at gaging stations in...
Search relevance: 69.81 | Views last month: 0 -
Determining how much methane and carbon dioxide cross the sea-air interface is critical when assessing marine greenhouse gas fluxes. This assessment is particularly important on Arctic Ocean...
Search relevance: 66.90 | Views last month: 0 -
These data were compiled for a study that investigated the effects of drought seasonality and plant community composition in a dryland ecosystem. In 2015 U.S. Geological Survey ecologists recorded...
Search relevance: 65.52 | Views last month: 1 -
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI...
Search relevance: 60.29 | Views last month: 0 -
This dataset is one table with information on the carbon isotopes in samples collected from organic and mineral soils, streams, algae, invertebrates, and fish in the Arctic Network Parks.
Search relevance: 56.24 | Views last month: 0 -
Lake Powell retains most of the phosphorus that it receives, leading to downstream phosphorus limitation. These data were compiled to examine controls on phosphorus cycling below Lake Powell in...
Search relevance: 54.76 | Views last month: 0
