Catalog - Data.gov

Found 126 datasets matching "hydrogen sulfide".

Federal
Effects of Hydrogen Sulfide (H2S) on Z. marina seedlings, seed germination and shoot density from 2013-01-16 to 2015-09-11 (NCEI Accession 0156588)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-10-20T00:00:00.000+00:00
Multiple experiments were conducted to determine the effects hydrogen sulfide had on seedlings and seed germination in the seagrass Zostera marina. One study identified lethal limits of H2S for Z....
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Search relevance: 155.53 | Views last month: 0
Federal
Continuous monitoring of ambient hydrogen sulfide (H2S), Newberry Volcano, Oregon
- Organization: Department of the Interior
- Updated: 2021-09-21T00:00:00Z
Hydrogen sulfide (H2S) is a gas emitted to the atmosphere from hydrothermal gas vents and springs around Newberry caldera that can be toxic at high concentrations...
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Search relevance: 149.64 | Views last month: 2
Federal
Dissolved inorganic carbon (DIC), total alkalinity (TA), pH on total scale, partial pressure of CO2 (pCO2), hydrogen sulfide (H2S), methane (CH4), nutrients, dissolved oxygen, water temperature, salinity and other measurements collected from discrete samples and profile observations in Whycocomagh Bay, Bras d’Or lakes from 2016-12-06 to 2017-12-05 (NCEI Accession 0240802)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-09-02T00:00:00.000+00:00
This dataset includes discrete sample and profile data collected in Whycocomagh Bay, Bras d’Or lakes from 2016-12-06 to 2017-12-05. These data include dissolved inorganic carbon (DIC), total...
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Search relevance: 110.76 | Views last month: 0
Federal
Dissolved inorganic carbon (DIC), total alkalinity (TA), pH on total scale, partial pressure of CO2 (pCO2), hydrogen sulfide (H2S), methane (CH4), nutrients, dissolved oxygen, water temperature, salinity and other measurements collected from discrete samples and profile observations at Indian Point Aquaculture Site from 2018-05-14 to 2019-09-27 (NCEI Accession 0240809)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-12-10T00:00:00.000+00:00
This dataset includes discrete sample and profile data collected in Indian Point Aquaculture Site from 2018-05-14 to 2019-09-27. The Ocean Acidification condition was monitored at Indian Point...
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Search relevance: 103.81 | Views last month: 0
Federal
Hypoxia and Hydrogen Sulfide (H2S) in Padilla Bay, WA from 2014-07-09 to 2014-09-30 (NCEI Accession 0156596)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2016-10-18T00:00:00.000+00:00
Hypoxia has the potential to be a stressor to eelgrass as it can lead to tissue anoxia at night. These tissues then must undergo anaerobic metabolism, which is less energetically efficient and can...
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Search relevance: 93.44 | Views last month: 0
Federal
Patent AT-E400350-T1: [Translated] METHOD FOR REMOVAL OF , HCN AND H2S AND OPTIONALLY COS, CS2 AND NH3 FROM A GAS STREAM
- Organization: U.S. Department of Health & Human Services
- Updated: 2025-09-06
Disclosed is a process for the removal of sulfur from a gas stream containing sulfur dioxide, hydrogen cyanide and hydrogen sulfide. The process includes a hydrogenation step, a hydrolysis step,...
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Search relevance: 85.57 | Views last month: 0
Federal
Experimental studies of influence of hydrogen sulfide on species of eelgrass (Zostera japonica and Zostera marina) in Padilla Bay, coastal waters of southeast Alaska, from 2013-06-01 to 2013-09-30 (NCEI Accession 0137907)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2015-11-16T00:00:00.000+00:00
Two species of eelgrass can be found in Padilla Bay, Washington (Zostera japonica and Zostera marina) and act as a bioindicators of ecosystem health. Many factors can contribute to the status of...
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Search relevance: 85.13 | Views last month: 0
Federal
Rates of denitrification and porewater nutrient concentrations at a saltmarsh in Alabama from 2015-04 to 2016-10 (NCEI Accession 0219938)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-09-30T00:00:00.000+00:00
This dataset is generated from a study of a saltmarsh on Dauphin Island (30º15.43’N, 88º07.438’W) that is dominated by Spartina alterniflora and is interspersed with Juncus roemerianus. Tides are...
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Search relevance: 72.19 | Views last month: 0
Federal
Surface water and shallow groundwater geochemistry and radium isotopes measured from land-based sampling in coastal Georgia, USA from 2001-07-26 to 2010-09-28 (NCEI Accession 0208686)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-07-21T00:00:00.000+00:00
Surface water and groundwater radium activities, concentrations of various dissolved materials, and environmental parameters (water temperature, salinity, and pH). Activities of 228Ra, 226Ra,...
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Search relevance: 69.74 | Views last month: 0
Federal
Patent AT-E40129-T1: [Translated] PROCESS FOR THE PREPARATION OF 5,6-DIHYDRO-2HTHIOPYRAN-3-CARBOXALDEHYDE.
- Organization: U.S. Department of Health & Human Services
- Updated: 2025-09-06
5,6-Dihydro-2H-thiopyran-3-carboxaldehydes of the formula where R denotes hydrogen or methyl, are prepared by a method in which acrolein or crotonaldehyde is reacted with hydrogen sulfide in a...
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Search relevance: 67.33 | Views last month: 0
Federal
Oceanographic equipment sea trial from the R/V Kairei, cruise KR17-08C, in the Mariana Trench from 2017-05-05 to 2017-05-25 (NCEI Accession 0303130)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-07-23T00:00:00.000+00:00
The main purpose of this cruise was to observe the bottom of Mariana Trench through operating test for a newly developed full depth underwater system. A chemical survey was also carried out with...
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Search relevance: 62.86 | Views last month: 0
Federal
Patent AT-E401355-T1: [Translated] CURABLE COATINGS WITH LOW PERMEABILITY TO SULFUR CONTAINING GASES
- Organization: U.S. Department of Health & Human Services
- Updated: 2025-09-06
Siloxane cross-linked polyolefins provide for a composition that is more or less impermeable to gaseous sulfur compounds such as hydrogen sulfide providing for a protective coating for various...
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Search relevance: 62.11 | Views last month: 0
Federal
Denitrification Capacity of a Natural and a Restored Marsh in the Northern Gulf of Mexico from 2014-02-27 to 2015-02-26 (NCEI Accession 0223379)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-01-13T00:00:00.000+00:00
This dataset includes denitrification rates across a typical northern Gulf of Mexico salt marsh landscape that included a natural marsh, a tidal creek, and a 21-year-old restored salt marsh....
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Search relevance: 61.76 | 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: 60.27 | Views last month: 0
Federal
Stable isotope data for sulfur, oxygen, and hydrogen in minerals and gases and electron microprobe data for minerals from Sulphur Bank mercury mine, Lake County, California
- Organization: Department of the Interior
- Updated: 2024-02-21T00:00:00Z
Stable isotope compositions (the ratios deuterium/hydrogen, oxygen-18/oxygen-16, and sulfur-34/sulfur-32) are reported for alunite, jarosite, kaolinite, silica, cinnabar, marcasite, and native...
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Search relevance: 58.36 | Views last month: 1
Federal
Dairy Gas Emissions Model (DairyGEM)
- Organization: Department of Agriculture
- Updated: 2023-11-30
The Dairy Gas Emissions Model (DairyGEM) uses process level simulation and process related emission factors to predict ammonia, hydrogen sulfide, VOC and greenhouse gas emissions along with the...
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Search relevance: 57.15 | Views last month: 0
Federal
Environmental (hydrogen, oxygen, and sulfur) stable isotope data from the Elizabeth copper mine Superfund site, Vermont, USA
- Organization: Department of the Interior
- Updated: 2021-04-08T00:00:00Z
Stable hydrogen (H), oxygen (O), and sulfur (S) isotope data were collected from the Elizabeth copper mine Superfund site, South Strafford, Vermont. Sample media include surface water (H and O),...
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Search relevance: 56.53 | Views last month: 2
Federal
PEM West A DC-8 In-Situ Trace Gas Data
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-10
PEM-West-A_TraceGas_AircraftInSitu_DC8_Data is the in-situ trace gas data collected onboard the DC-8 aircraft during the Pacific Exploratory Mission (PEM) West A suborbital campaign. Data from the...
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Search relevance: 51.05 | Views last month: 0
Federal
PEM Tropics A DC-8 Photolysis Frequencies (J-Values)
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-10
PEM-Tropics-A_jValue_AircraftInSitu_DC8_Data is the photolysis frequencies (j-values) measured along the DC-8 flight during the Pacific Exploratory Mission (PEM) Tropics A suborbital campaign....
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Search relevance: 49.22 | Views last month: 0
Federal
PEM West B DC-8 In-Situ Trace Gas Data
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-10
PEM-West-B_TraceGas_AircraftInSitu_DC8_Data is the in-situ trace gas data collected onboard the DC-8 aircraft during the Pacific Exploratory Mission (PEM) West B suborbital campaign. Data from the...
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Search relevance: 48.75 | Views last month: 0

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