572 datasets found for "Acidity"
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Federal
USGS Spectral Library Version 7 Data
Department of the Interior —
This data release provides the U.S. Geological Survey (USGS) Spectral Library Version 7 and all related documents. The library contains spectra measured with... -
Federal
2021 Organic Matter Research Lab Full Spectra Absorbance Data
Department of the Interior —
The USGS CAWSC Organic Matter Research Laboratory (OMRL) provides laboratory services and support to regional and national projects in the analysis of organic matter... -
Federal
Tellurium Deposits in the United States
Department of the Interior —
This data release provides the description of U.S. sites that include mineral regions, mines and mineral occurrences (deposits) that have a contained resource and... -
Federal
Great Smoky Mountains National Park Trout Distribution
Department of the Interior —
The brook trout (Salvelinus fontinalis) is the only trout native to the southern Appalachian Mountains. It was once widespread in Great Smoky Mountains National Park... -
Federal
SPECPRsplib07 SPECPR files containing spectra and associated descriptions of samples and spectra (including linked photos)
Department of the Interior —
SPECPRsplib07 This compressed archive includes: 1) Files, in SPECPR format, containing spectral data and associated metadata descriptions: - measured spectra... -
Federal
Sorption Coefficients (Kd) for Perfluorooctanoic acid (PFOA) and Perfluorooctanesulfonic acid (PFOS), and supporting soil properties at a 250-meter resolution, based on 30-meter resolution data from the Polaris Soils database
Department of the Interior —
Per- and polyfluoroalkyl substances (PFAS) chemicals are known to strongly sorb onto soils when being transported downward through the vadose zone. The degree to... -
Federal
Fatty Acid Signature Data of Chukchi Sea Polar Bears, 2008-2015
Department of the Interior —
This dataset contains fatty acid data expressed as mass percent of total fatty acids from Chukchi Sea polar bears. -
Federal
ASCIIdata Spectra in ASCII text files, including separate files with wavelength and bandpass (FWHM) values
Department of the Interior —
ASCIIdata Files containing spectral data in ASCII text format: - measured spectra (ASCIIdata_splib07a.zip), including wavelength positions and bandpass (Full-Width at... -
Federal
Germanium Deposits in the United States
Department of the Interior —
This data release provides data for the single site in the United States (U.S.) that has public record of germanium (Ge) production. Germanium, which is currently... -
Federal
Mineral Commodity Summaries 2025 - NITROGEN (FIXED)-AMMONIA Data Release
Department of the Interior —
This data release contains the U.S. salient statistics and world production data extracted from the NITROGEN (FIXED)-AMMONIA data sheet of the USGS Mineral Commodity... -
Federal
Effects of ocean acidification on phytoplankton physiology and nutrition for fishery-based food webs from laboratory experiment studies from 2011-05-31 to 2013-02-07 (NCEI Accession 0121255)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains laboratory experiment data that were collected to examine the effects of elevated levels of CO2 on phytoplankton physiology and nutrition for... -
Federal
Global surface ocean pH, acidity, and Revelle Factor on a 1x1 degree global grid from 1770 to 2100 (NCEI Accession 0206289)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains spatial distribution of surface ocean pH (total hydrogen scale), acidity (or hydrogen ion activity, unit: nmol/kg, or 10^-9 mol/kg) and Revelle... -
Federal
Perfluorooctanoic acid (PFOA) and Perfluorooctanesulfonic acid (PFOS) measured in surface water samples in the Saginaw Bay region of Lake Huron from 2021-08-02 to 2022-05-12 (NCEI Accession 0285666)
National Oceanic and Atmospheric Administration, Department of Commerce —
Surface water sampling of the tributaries of the Saginaw Bay region of Lake Huron was conducted in August 2021 and May 2022 to measure PFOA and PFOS concentrations.... -
Federal
The Pacific Ocean Interior Carbon (PACIFICA) Database (NCEI Accession 0110865)
National Oceanic and Atmospheric Administration, Department of Commerce —
PACIFICA (PACIFic ocean Interior CArbon) was an international collaborative project for the data synthesis of ocean interior carbon and its related parameters in the... -
Federal
Mineral Commodity Summaries 2023 - PHOSPHATE ROCK Data Release
Department of the Interior —
This data release contains the U.S. salient statistics and world production data extracted from the PHOSPHATE ROCK data sheet of the USGS Mineral Commodity Summaries... -
Federal
Detection of Seagrass Pathogens Using Environmental DNA (eDNA), North Pacific, 2016-present
Department of the Interior —
This data set is comprised of one table with sampling information and NCBI BioProject accession numbers for sequence information of this amplicon-based study... -
Federal
Rhenium Occurrences in the United States
Department of the Interior —
This data release provides descriptions of more than 100 mining districts, mines, and mineral occurrences (deposits and prospects) within the United States that are... -
Federal
Physical and meteorological data collected from non-federal stations assembled by the Alaska Ocean Observing System (AOOS)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset contains oceanographic and surface meteorological data collected from non-Federal stations throughout the Alaskan region of the United States. The data... -
Federal
Effects of Ocean Acidification on Phytoplankton Physiology and Nutrition for Fishery-based Food Webs
National Oceanic and Atmospheric Administration, Department of Commerce —
Rising atmospheric concentrations of CO2 are predicted to decrease the pH of high-latitude oceans by 0.3â0.5 units by 2100. Because of their limited capacity for...
572 datasets found for "Acidity"