Catalog - Data.gov

Found 93 datasets matching "dissolved silica".

Federal
Physical, chemical, and biological water quality data and CTD casts collected from small boats in Saginaw Bay, Lake Huron in the Great Lakes region from 2008-05-12 to 2010-10-13 (NCEI Accession 0220469)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-10-19T00:00:00.000+00:00
This dataset includes physical, chemical, and biological water sampling data collected in Saginaw Bay, Lake Huron from 2008 to 2010. These data were collected to aid in the understanding of...
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Search relevance: 66.42 | Views last month: 0
Federal
Lake Pontchartrain Beach Harmful Algal Bloom Monitoring from May to September 2020 (NCEI Accession 0251826)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-04-20T00:00:00.000+00:00
Water quality data was collected by the United States Army Corp of Engineers at numerous locations along the shore of Lake Ponchartrain and the Tangipahoa River in Louisiana from May to September...
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Search relevance: 64.88 | Views last month: 0
Federal
Nonvolatile dissolved organic carbon (NVDOC), total petroleum hydrocarbons at the USGS crude oil study site near Bemidji, Minnesota, USA (2018)
- Organization: Department of the Interior
- Updated: 2020-08-18T00:00:00Z
This data set describes dissolved concentrations in groundwater of nonvolatile dissolved organic carbon (NVDOC), total petroleum hydrocarbons (TPH) in the gasoline (C6-C10), diesel range (C10-C28)...
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Search relevance: 60.45 | Views last month: 0
Federal
Data for Fluoride Occurrence in United States Groundwater
- Organization: Department of the Interior
- Updated: 2020-08-14T00:00:00Z
Data from 38,105 wells were used to characterize fluoride occurrence in untreated United States groundwater. The data were retrieved from the U.S. Geological Survey (USGS) National Water...
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Search relevance: 53.67 | Views last month: 4
Federal
Global Aggregation of Stream Silica (GlASS) (ver. 2.0, July 2025)
- Organization: Department of the Interior
- Updated: 2025-07-11T00:00:00Z
Riverine silicon (Si) plays a vital role in governing primary production, water quality, and carbon sequestration. The Global Aggregation of Stream Silica (GlASS) database was constructed to...
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Search relevance: 49.08 | Views last month: 2
Federal
LBA-ECO ND-11 Stream Carbon and Nutrients, Mato Grosso, Brazil: 2003-2006
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This data set contains baseflow streamwater concentrations of pH, specific conductivity, base cations, carbon (dissolved organic carbon (DOC), particulate organic carbon (POC) and bicarbonate...
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Search relevance: 49.06 | Views last month: 0
Federal
Kinetics of Chlorite Dissolution at Elevated Temperatures and CO2 Conditions
- Organization: Department of Energy
- Updated: 2017-05-25T15:24:10Z
Chlorite dissolution kinetics were measured under far from equilibrium conditions using a mixed-flow reactor over temperatures of 100-275 degrees C at pH values of 3.0-5.7 in a background solution...
- pdf
Search relevance: 48.03 | Views last month: 0
Federal
Water and gas chemistry; Washington, Oregon, and Northern California; 1970-1997: Mariner et al., 2003
- Organization: Department of the Interior
- Updated: 2024-03-13T00:00:00Z
Water and gas chemistry data from: Mariner, R.H., Evans, W.C., Presser, T.S. and White, L.D., 2003. Excess nitrogen in selected thermal and mineral springs of the Cascade Range in northern...
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Search relevance: 47.11 | Views last month: 0
Federal
Water and gas chemistry; Steamboat Hills, Nevada; 1991-1994: Mariner and Janik, 1995
- Organization: Department of the Interior
- Updated: 2024-03-13T00:00:00Z
Water and gas chemistry data from: Mariner, R.H., and Janik, C.J. Geochemical Data and Conceptual Model for the Steamboat Hills Geothermal System, Washoe County, Nevada, 1995. Geothermal Resources...
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Search relevance: 46.74 | Views last month: 0
Federal
Water and gas chemistry; western Idaho; 1979-1997: Mariner et al., 2006
- Organization: Department of the Interior
- Updated: 2024-03-13T00:00:00Z
Water and gas chemistry data from: Mariner, R.H., Evans, W.C., and Young, H.W., 2006. Comparison of circulation times of thermal waters discharging from the Idaho batholith based on geothermometer...
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Search relevance: 44.60 | Views last month: 0
Federal
Geochemical data supporting investigation of solute and particle cycling and fluxes from two tidal wetlands on the south shore of Cape Cod, Massachusetts, 2012-19 (ver. 3.0, January 2025)
- Organization: Department of the Interior
- Updated: 2025-01-29T00:00:00Z
Assessment of geochemical cycling within tidal wetlands and measurement of fluxes of dissolved and particulate constituents between wetlands and coastal water bodies are critical to evaluating...
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Search relevance: 42.69 | Views last month: 0
Federal
Historic groundwater-quality, depth, and well-construction data for wells in the San Joaquin Valley, California, 1910
- Organization: Department of the Interior
- Updated: 2020-08-12T00:00:00Z
Mendenhall and others (1916) assessed groundwater resources in California's San Joaquin Valley in 1910 to estimate the availability of groundwater of suitable quality for agricultural, industrial,...
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Search relevance: 41.30 | Views last month: 0
Federal
ACCESS CTD (Station 4-ME), Line 4, Station ME
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-04T00:00:00.000+00:00
These data describe Chlorophyll a, Conductivity, Nitrogen: Nitrate plus Nitrite, Omega Aragonite, Oxygen: Dissolved Oxygen Concentration, Oxygen: Saturation, Phosphate, Salinity, Sea Water...
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Search relevance: 40.49 | Views last month: 1
Federal
Chemistry data from leachates of hydraulic fracturing proppants collected from southeastern New Mexico, 2018-2019
- Organization: Department of the Interior
- Updated: 2023-12-13T00:00:00Z
Proppants used during hydraulic fracturing of oil and gas wells are manufactured to maximize petroleum yield by controlling the size, shape, density, and strength of the proppant material. The...
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Search relevance: 40.49 | Views last month: 0
Federal
ACCESS CTD (Station N11-EN), Line N11, Station EN
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-04T00:00:00.000+00:00
These data describe Chlorophyll a, Conductivity, Nitrogen: Nitrate plus Nitrite, Omega Aragonite, Oxygen: Dissolved Oxygen Concentration, Oxygen: Saturation, Phosphate, Salinity, Sea Water...
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Search relevance: 40.49 | Views last month: 0
Federal
ACCESS CTD (Station N4-WN), Line N4, Station WN
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-04T00:00:00.000+00:00
These data describe Chlorophyll a, Conductivity, Nitrogen: Nitrate plus Nitrite, Omega Aragonite, Oxygen: Dissolved Oxygen Concentration, Oxygen: Saturation, Phosphate, Salinity, Sea Water...
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Search relevance: 40.49 | Views last month: 0
Federal
ACCESS CTD (Station 6-M), Line 6, Station M
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-04T00:00:00.000+00:00
These data describe Chlorophyll a, Conductivity, Nitrogen: Nitrate plus Nitrite, Omega Aragonite, Oxygen: Dissolved Oxygen Concentration, Oxygen: Saturation, Phosphate, Salinity, Sea Water...
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Search relevance: 40.17 | Views last month: 1
Federal
ACCESS CTD (Station N4-EN), Line N4, Station EN
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-04T00:00:00.000+00:00
These data describe Chlorophyll a, Conductivity, Nitrogen: Nitrate plus Nitrite, Omega Aragonite, Oxygen: Dissolved Oxygen Concentration, Oxygen: Saturation, Phosphate, Salinity, Sea Water...
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Search relevance: 40.17 | Views last month: 0
Federal
ACCESS CTD (Station 4-E), Line 4, Station E
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-04T00:00:00.000+00:00
These data describe Chlorophyll a, Conductivity, Nitrogen: Nitrate plus Nitrite, Omega Aragonite, Oxygen: Dissolved Oxygen Concentration, Oxygen: Saturation, Phosphate, Salinity, Sea Water...
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Search relevance: 40.17 | Views last month: 0
Federal
ACCESS CTD (Station 4-W), Line 4, Station W
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2026-01-04T00:00:00.000+00:00
These data describe Chlorophyll a, Conductivity, Nitrogen: Nitrate plus Nitrite, Omega Aragonite, Oxygen: Dissolved Oxygen Concentration, Oxygen: Saturation, Phosphate, Salinity, Sea Water...
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Search relevance: 40.17 | Views last month: 0

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