Catalog - Data.gov

Found 185 datasets matching "delta-15N".

Federal
Water and sediment chemistry, and elemental (C/N ratios) and isotopic (delta 13C, delta 15N) data collected aboard R/V Endeavor cruise EN510 in the Gulf of Mexico from 2012-06-27 to 2012-07-04 (NCEI Accession 0205623)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-10-22T00:00:00.000+00:00
This dataset contains water and sediment chemistry, and elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor cruise EN510 in the northern...
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Search relevance: 127.36 | Views last month: 0
Federal
Water and sediment chemistry, and elemental (C/N ratios) and isotopic (delta 13C, delta 15N) data collected aboard R/V Endeavor cruise EN509 in the Gulf of Mexico from 2012-05-26 to 2012-06-19 (NCEI Accession 0205197)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2019-10-21T00:00:00.000+00:00
This dataset contains water and sediment chemistry, and elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor cruise EN509 in the northern...
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Search relevance: 124.86 | Views last month: 0
Federal
Stable carbon and nitrogen isotope values in muscle tissue of bigheaded carps and native filter-feeding fish from the lower Missouri River, USA, 2005-2006
- Organization: Department of the Interior
- Updated: 2020-08-17T00:00:00Z
Fish muscle tissue was analyzed for stable carbon and nitrogen isotope values (delta 13C and delta 15N) for two filter-feeding fishes native to China, silver carp (Hypophthalmichthys molitrix) and...
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Search relevance: 66.06 | Views last month: 0
Federal
CTD, elemental (C/N ratios) and isotopic (13C, 15N) data collected from R/V Endeavor cruise EN496 in the northern Gulf of Mexico from 2011-07-03 to 2011-07-26 (NCEI Accession 0183542)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2018-12-18T00:00:00.000+00:00
This dataset contains CTD, water quality and particle and zooplankton sample elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor cruise...
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Search relevance: 65.66 | Views last month: 0
Federal
LBA-ECO ND-07 Carbon and Nitrogen in Cerrado Plants and Soils, Brasilia: 1999-2000
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This data set provides (1) delta 15N ratios and nitrogen concentrations for foliar samples and (2) delta 13C and delta 15N ratios as well as carbon and nitrogen concentrations for soil samples...
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Search relevance: 65.27 | Views last month: 0
Federal
NOAA RESTORE Science Program: Linking Community and Food-web Approaches to Restoration: Carbon, nitrogen and sulfur stable isotope values of organisms from created and natural marsh of Lake Hermitage, West Point a la Hache, and Bay Batiste, Louisiana, May 2019 (NCEI Accession 0304324)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-05-22T00:00:00.000+00:00
This dataset contains bulk tissue carbon (delta-13C), nitrogen (delta-15N), and sulfur (delta-34S) stable isotope values from sediment samples, marsh primary producers, marsh invertebrates, and...
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Search relevance: 63.33 | Views last month: 0
Federal
NOAA RESTORE Science Program: Linking Community and Food-web Approaches to Restoration: Carbon and nitrogen stable isotope values of organisms from created and natural marsh of Lake Hermitage, West Point a la Hache, and Bay Batiste, Louisiana, May 2018 (NCEI Accession 0302883)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2025-04-02T00:00:00.000+00:00
This dataset contains bulk tissue carbon (delta-13C) and nitrogen (delta-15N) stable isotope values from sediment samples, marsh primary producers, marsh invertebrates, and marsh vertebrates...
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Search relevance: 60.51 | Views last month: 0
Federal
Delta-X: Foliar Stable Isotopes, MRD, LA, USA, 2021
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This dataset contains foliar tissue C and N bulk isotopic signatures (delta 13C, delta 15N) of dominant wetland herbaceous species collected at six sites in the Atchafalaya (N = 3) and Terrebonne...
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Search relevance: 57.74 | Views last month: 0
Federal
Delta-X: Root Stable Isotopes from Herbaceous Wetlands, MRD, LA, USA, August 2021
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This dataset contains carbon-13 (13C) and nitrogen-15 (15N) isotopic signatures of belowground root biomass samples from herbaceous wetlands in the Atchafalaya and Terrebonne basins of the...
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Search relevance: 56.58 | Views last month: 0
Federal
CTD, water and sediment chemistry, particle sample elemental (C, N) and isotopic (13C, 15N) data, and time series photographs obtained from a marine snow profiling camera during R/V Endeavor cruise EN515 in the Gulf of Mexico from 2012-09-06 to 2012-09-16 (NCEI Accession 0208348)
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-01-17T00:00:00.000+00:00
This dataset contains CTD, water and sediment chemistry, particle sample elemental (C,N) and isotopic (13C, 15N) data, and time series photographs obtained from a marine snow profiling camera...
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Search relevance: 51.53 | Views last month: 0
Federal
LBA-ECO CD-09 Soil and Vegetation Characteristics, Tapajos National Forest, Brazil
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This data set reports the results of soil and vegetation surveys at four distinct areas within the Tapajos National Forest (TNF), 50 to 100 km south of Santarem, Para, Brazil, in November 1999. At...
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Search relevance: 51.39 | Views last month: 0
Federal
LBA-ECO CD-02 C and N Isotopes in Leaves and Atmospheric CO2, Amazonas, Brazil
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This data set reports delta 13C/12C results for leaf tissues and atmospheric carbon dioxide (CO2), 15N/14N ratios for leaf tissue, and leaf carbon and nitrogen concentrations along a topographical...
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Search relevance: 49.61 | Views last month: 1
Federal
Delta-X: Soil Properties for Herbaceous Wetlands, MRD, Louisiana, 2021, V3
- Organization: National Aeronautics and Space Administration
- Updated: 2026-02-17
This dataset contains properties of soil core samples for herbaceous wetlands collected in the Atchafalaya and Terrebonne basins in southeastern coastal Louisiana for the period 2021-03-21 to...
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Search relevance: 48.18 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Mirror Lake, New Hampshire 170 Year Tree Ring Nitrogen Isotope Data
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2013-10-28T00:00:00.000+00:00
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...
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Search relevance: 44.66 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Amino Acid d13C and d15N Data from Monterey Bay, California from 1998-2004 CE
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-12-07T00:00:00.000+00:00
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...
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Search relevance: 43.39 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Central Equatorial Pacific Isotope and Amino Acid Data During the Late Holocene
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2023-12-20T00:00:00.000+00:00
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...
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Search relevance: 43.35 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Equatorial Pacific Foram-Bound N Isotopes from the Pliocene to the Pleistocene
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2021-01-06T00:00:00.000+00:00
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...
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Search relevance: 43.03 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Gulf of Alaska, Hawai'ian Islands, Central California Coast Amino Acid d13C and d15N Data
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2022-12-06T00:00:00.000+00:00
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...
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Search relevance: 42.99 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Central California Coast Coral Amino Acid d15N and d13C Data from 1880-2007 CE
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2024-08-28T00:00:00.000+00:00
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...
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Search relevance: 42.52 | Views last month: 0
Federal
NOAA/WDS Paleoclimatology - Gulf of Maine bulk and amino acid nitrogen isotope data from 1783-2010 CE
- Organization: National Oceanic and Atmospheric Administration, Department of Commerce
- Updated: 2020-03-19T00:00:00.000+00:00
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...
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Search relevance: 42.50 | Views last month: 0

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