Instrument: Isotope-ratio Mass Spectrometer

Acronym:

IR Mass Spec; IRMS

External Identifier:

» skos:broadMatch http://vocab.nerc.ac.uk/collection/L05/current/LAB16/

Description

The Isotope-ratio Mass Spectrometer is a particular type of mass spectrometer used to measure the relative abundance of isotopes in a given sample (e.g. VG Prism II Isotope Ratio Mass-Spectrometer).

Datasets

Dataset Name	Brief Description
15N Addition to Open System Mesocosms	Three runs of six open system mesocosms run with 15N tracer addition
15N Rate Summary	LMG1801 15N Rate Summary
17D and isotopic ratios	17D and isotopic ratios
2018 radiocarbon	sediments
AA-CSIA Olson	Amino acid compound-specific isotope analysis (AA-CSIA) of tissue samples from four distinct trophic groups across the food web in the pelagic eastern tropical Pacific Ocean
Abyssal Bulk Isotope Analyses	Abyssal Bulk Isotope Analyses
Abyssal Bulk Isotope Analyses	Abyssal Bulk Isotope Analyses
Abyssal Bulk Isotope Analyses	Abyssal Bulk Isotope Analyses
Abyssal deposit feeders AACSIA	AA-CSIA of abyssal deposit feeders, their gut contents and the surrounding surface sediments collected on R/V Atlantis cruise AT4210 and R/V Western Flyer cruise Pulse 72
Abyssal deposit feeders AACSIA	AA-CSIA of abyssal deposit feeders, their gut contents and the surrounding surface sediments collected on R/V Atlantis cruise AT4210 and R/V Western Flyer cruise Pulse 72
Abyssal deposit feeders AACSIA	AA-CSIA of abyssal deposit feeders, their gut contents and the surrounding surface sediments collected on R/V Atlantis cruise AT4210 and R/V Western Flyer cruise Pulse 72
ACE-Leg 1 NO3 Isotopes	ACE-Leg 1 NO3 Isotopes
Amino acid d13C values of diatoms and bacteria	Amino acid d13C values of diatoms, bacteria and core M772-003-2 samples
Amino acid d13C values of diatoms and bacteria	Amino acid d13C values of diatoms, bacteria and core M772-003-2 samples
Amino acid d13C values of Thalassiosira weissflogii	Amino acid d13C values of Thalassiosira weissflogii of ten different treatments
Amino acid d13C values of Thalassiosira weissflogii	Amino acid d13C values of Thalassiosira weissflogii of ten different treatments
Amino acid isotopes from mussels	N, C compound-specific amino acid isotopes from mussels along CA margin: new approach for paleo-isoscape reconstructions
Amino Acids	Amino acid compound-specific isotope analysis (AA-CSIA) from tissue samples from pelagic fish.
Ammonia and Urea-derived-N Oxidation Rates	Ammonia and urea-derived-N oxidation rates measured using 15N additions from San Pedro Ocean Time-series (SPOT) measured between 2014 to 2016
ammonium removal by seaweeds	Macroalgal contribution to NH4+ removal in tidepools
Aquaculture N Cycle	Measurements of nutrient flux and denitrification and DNRA rates in clam aquaculture sediments.
AT15-40 Porewater Geochemistry	Porewater geochemistry data for sediment samples that were included in global seep survey
AT15-40 Sulfides	Sulfide data for sediment samples that were included in global seep survey
AT15-56 Porewater Geochemistry	AT15-56 Porewater Geochemistry
Atlantic Sediment Black Carbon
Atlantic Sediment Black Carbon
Atlantic ZooPlankton AA 15N values	Mean d15N of individual amino acids and bulk organic matter for five plankton size fractions
Atlantic ZooPlankton AA 15N values	Mean d15N of individual amino acids and bulk organic matter for five plankton size fractions
B. elegans cold water coral lab culture: Artemia
B. elegans cold water coral lab culture: diet and nitrogen experiment
B. elegans cold water coral lab culture: particulate data
B. elegans cold water coral lab culture: skeleton-tissue
B. gymnorhiza isotopes	Isotopes from B. gymnorhiza mangroves in Palau in 2013.
B. gymnorhiza isotopes	Isotopes from B. gymnorhiza mangroves in Palau in 2013.
Benthic DO and nutrient fluxes from sediment core incubations	Benthic DO and nutrient fluxes from sediment core incubations
Biogeochemical Measurements from Surface Waters at the North Shore of Mo'orea, French Polynesia	Biogeochemical Measurements from Surface Waters at the North Shore of Mo'orea, French Polynesia
BLOOFINZ-GoM nutrients and isotopes	BLOOFINZ-GoM Nutrients, Nitrate isotopes, DON isotopes
Boron isotopes and trace elements	Boron isotopes and trace elements experimental data of tropical corals
Brault 2014 - Bulk Carbon and Nitrogen isotopes	Bulk Carbon and Nitrogen isotopes from sperm whale dentin
Brault 2014: Compound-specific Carbon in sperm whale dentin	Compound-specific Carbon isotopes from sperm whale dentin
Brault 2014: Compound-specific Nitrogen in sperm whale dentin	Compound-specific Nitrogen isotopes from sperm whale dentin
Bulk and CSIA-AA stable isotopes in sinking POM and proteinaceous deep-sea coral skeletal material
Bulk Raw Isotopes	Bulk raw isotopic data from tissue samples from pelagic fish.
Bulk Raw Isotopes - Non-tunas	Bulk raw isotopic data from tissue samples from non-tuna species collected in the eastern tropical Pacific Ocean onboard two NOAA research ships
Bulk Raw Isotopes - Tunas	Bulk raw isotopic data from tissue samples from three species of tunas collected in the eastern tropical Pacific Ocean onboard commercial tuna purse-seine vessels
Bulk sediment isotope data	Raw sediment C isotope values.
Bulk sediment organic matter composition	Bulk sediment organic matter composition
Bulk soil properties	Bulk soil and elemental properties of marsh and infilled pond soils within Plum Island Ecosystems - LTER
cal_iso	Calibration of the Isotope Ratio Mass Spectrometer vs. aliquots of 15N2 gas diluted in air then helium
Carbon and Nitrogen	Carbon and Nitrogen
Carbon Geochemistry	Carbon geochemistry of the Santa Elena (Costa Rica) ultramafics and bulk rock carbonate samples
Carpinteria Salt Marsh Elemental and Isotope Composition Data for Sediment and Biomass	Elemental and Isotope Composition Sediment and Biomass 2020
Change in denitrification - N2 flux	Change in denitrification (N2 Flux) due to the oyster reef.
Chemical data	Chemical data associated with field collections.
Chemical data	Chemical data associated with field collections.
Chesapeake Bay: Ammonia oxidation rates
Chlorophyll d15N in Lake Erie	Chlorophyll d15N in Lake Erie
Chlorophyll d15N in Lake Erie	Chlorophyll d15N in Lake Erie
Clear Lake 800-yr reconstruction	Record of d2H of dinosterol variability in down core lake sediments
Closed Mesocosm 15N Tracer	N2O, 15N2, 15N Sediment tracer in oyster mesocosms
CN - CN Fixation Rates	CN - CN Fixation Rates
CN isotopes seawater and zooplankton	CN isotopes inorganic/organic matter Hawai'i
Compound specific isotope data	Compound specific isotope data
coral - skeletal carbon and oxygen isotopes	Coral skeletal carbon and oxygen isotopes; measured photosynthesis to respiration ratios; isotope-based photosynthesis to respiration ratios.
Coral physiological and δ15N isotopic measurements.	Coral physiological and δ15N isotopic measurements
Coral physiological and δ15N isotopic measurements.	Coral physiological and δ15N isotopic measurements
Coral stable isotopes	Carbon and nitrogen stable isotopes of Hawaiian corals
Cr concentration and isotopic composition of Cr(III) and Cr(VI) in the ETNP from RR1804-05 and KM1919-20	Cr concentration and isotopic composition of Cr(III) and Cr(VI) in the ETNP from RR1804-05 and KM1919-20
CSIA-AA comparison between live polyps and outer proteinaceous skeletal material in three (3) taxons of deep-sea corals
CTD	CTD sensor and nutrient measurements
d15N - HPLC Method Glu and Phe 15N values	N isotopic composition of Phenylalanine and Glutamic Acid from a number of organisms
d15N of PON from Net Tows	d15N of size-fractionated particulate organic nitrogen (PON) from net tows in the Sargasso Sea
d15N of PON from Sediment Traps	d15N of size-fractionated particulate organic nitrogen (PON) from sediment traps in the Sargasso Sea
d15NOx Natural Abundance	Natural abundance of 15N and 18O from LMG1801
DDA nutrient acquisition	DDA nutrient acquisition
DDA nutrient acquisition	DDA nutrient acquisition
delta 15N NH4	Detected 15N-labeled ammonium (NH4) in commercial 15N2 gas.
delta 15N NO3	Detected 15N-labeled nitrate (NO3) in commercial 15N2 gas.
delta_O_18	Oxygen Isotope data, GLOBEC and Canadian Cruises, 1994-1998.
Denitrification and DNRA	Denitrification and DNRA data.
DIC and d13C-DIC	DIC and del13C-DIC from nine M/S Columbus Waikato cruises between New Zealand and Long Beach, CA in the Pacific Basin from 2004-2006
DIC and Isotopes	Dissolved inorganic carbon (DIC) and isotopes from vertical profiles from multi- and gravity cores from two cruises
direct N2O	46-N2O contamination measured directly in commercial 15N2 gas.
Dissolved and particulate elements	Trace element concentrations in dissolved and particulate fractions collected with GO-Flo bottles and analyzed with inductively-coupled plasma mass spectrometry (ICP-MS)
Dissolved Nitrous Oxide	Dissolved N2O concentration and stable isotope/isotopomer composition measurements.
Dissolved Organic Matter Sulfur and Carbon Analysis	Dissolved Organic Matter Sulfur and Carbon Analysis
dis_15N2_gas	Analysis of dissolved 15N2 gas standards by Membrane Inlet Mass Spectrometry
DOC and Isotopes	Dissolved organic carbon (DOC) and isotopes from vertical profiles from multi- and gravity cores from two cruises
Doliolid diet: lab chlorophyll, carbon, nitrogen	Nutrients and chlorophyll-a from CTD casts 2015-2017
DON concentration and DON d15N	Measurements of dissolved organic nitrogen concentration and d15N
DON_Oxidation	Data collected on cruise SAV 17-16 plus related ancillary samples from the same geographic area
Elemental and isotopic noble gas ratios and N2/Ar from the North Atlantic: BATS data	Elemental and isotopic noble gas ratios and N2/Ar from the North Atlantic: BATS data
Elemental and isotopic noble gas ratios and N2/Ar from the North Atlantic: TTO data	Elemental and isotopic noble gas ratios and N2/Ar from the North Atlantic: TTO data
Elemental and isotopic noble gas ratios and N2/Ar from the North Atlantic: TTO data	Elemental and isotopic noble gas ratios and N2/Ar from the North Atlantic: TTO data
EN596 discrete samples	Discrete samples and rate measurements collected aboard the RV Endeavor cruise EN596
ETSP 15N rates	Ammonia oxidation, nitrite oxidation, and nitrate reduction rates from cruises AT15-61 and MV1104
ETSP 2013 NO3 NO2 N2O	Nitrate, nitrite, and nitrous oxide isotope measurements from the Eastern Tropical South Pacific ocean (NBP13-05)
ETSP N2O	ETSP N2O
ETSP NO3 and NO2 isotopes	ETSP NO3 and NO2 isotopes
Experimental data and model code for d18O and d47 equilibration kinetics	inorganic carbonate precipitation experiments and numerical modeling
Experimental data on kinetic C and O isotope fractionation of CO2 hydration	Experimental data on kinetic C and O isotope fractionation of CO2 hydration
Export fluxes	Export fluxes of Th, POC, PON and bSi calcuated using sediment traps and thorium budget
Feeding Assays	Feeding Assays
filter tracer content	Content of nitrogen and carbon in tracer filters
Fossil Seal Amino Acid Isotopes	C and N isotope data for individual amino acids from fossil seals from the western Ross Sea, Antarctica
Fossil Seal Bulk Isotopes 14C	Location, weathering, bulk isotope, and 14C data for fossil seals from the western Ross Sea, Antarctica
Global Noble Gases	Noble gas and N2/Ar (with associated CTD) data from 93 different cruises spanning the globe
Global Noble Gases	Noble gas and N2/Ar (with associated CTD) data from 93 different cruises spanning the globe
Global Noble Gases	Noble gas and N2/Ar (with associated CTD) data from 93 different cruises spanning the globe
Global Noble Gases	Noble gas and N2/Ar (with associated CTD) data from 93 different cruises spanning the globe
GMx_CDOM	Absorption spectra and DOC concentrations
GN01 Aerosol Nitrate	Aerosol Nitrate (NO3) from US GEOTRACES Arctic cruise, HLY1502
GN01 d13C-DIC	The ratio of 13C to 12C of dissolved inorganic carbon (DIC) measured during the GEOTRACES Arctic cruise (HLY 1502, ARC01) during Fall 2015
GN01 Dissolved Pb Isotope Ratios	Isotope ratios of Pb passing through a 0.2um Acropak capsule filter
GN01 Ice Pond NO3 H2O	Nitrate (NO3) and oxygen & deuterium isotopic composition from ice pond samples collected on the US GEOTRACES Arctic cruise, HLY1502
GN01 Isotope ratios of N and O in nitrate	Isotope ratios of N and O in nitrate from US GEOTRACES-Arctic cruise HLY1502 in 2015.
GN01 Sea Ice Hole NO3 NH4 H2O	Nitrate (NO3), ammonium (NH4), and oxygen & deuterium isotopic composition from sea ice hole water sampling on the US GEOTRACES Arctic cruise, HLY1502
GN01 Sea Ice NO3 NH4 H2O	Nitrate (NO3), ammonium (NH4), and oxygen & deuterium isotopic composition from sea ice collected on the US GEOTRACES Arctic cruise, HLY1502
GN01 Silicon Stable Isotopes	Depth profiles of the isotopic composition (d30Si) of silicon within dissolved silicic acid on the US GEOTRACES Arctic cruise GN01 (HLY1502) from August to October 2015
GN01 Size-fractionated major and minor particles	Size-fractionated major and minor particle composition and concentration from the U.S. GEOTRACES Arctic Cruise (GN01) in 2015
GN01 Snow NO3 NH4 H2O	Nitrate (NO3), ammonium (NH4), and oxygen & deuterium isotopic composition from snow collected on the US GEOTRACES Arctic cruise, HLY1502
GP12 Nitrate N and O Isotopes	Nitrate N and O isotopes from GP12
GP15 d13C-DIC Leg 1	GP15 d13C-DIC Leg 1
GP15 d13C-DIC Leg 2	GP15 d13C-DIC Leg 2
GP15 He Isotope C(He) and C(Ne) - Leg 1	GP15 He Isotope C(He) and C(Ne) - Leg 1
GP15 He Isotope C(He) and C(Ne) - Leg 2	GP15 He Isotope C(He) and C(Ne) - Leg 2
GP15 Nitrate d15N and d18O Leg 1	GP15 Nitrate d15N and d18O Leg 1
GP15 Nitrate d15N and d18O Leg 2	GP15 Nitrate d15N and d18O Leg 2
GP15 size-fractionated major, minor, & trace particle composition and concentration - Leg 1	GP15 size-fractionated major, minor, & trace particle composition and concentration - Leg 1
GP15 size-fractionated major, minor, & trace particle composition and concentration - Leg 2	GP15 size-fractionated major, minor, & trace particle composition and concentration - Leg 2
GP16 d15N NO3	Nitrate isotope data from the US GEOTRACES EPZT cruise.
GP16 delta 30Si	Profiles of stable isotopes of silicon in silicic acid from the US GEOTRACES EPZT cruise
GP16 N2O Isotopes and Concentrations	GP16 N2O Isotopes and Concentrations
GP16 Nitrate aerosol isotopes	Nitrate (NO3) aerosol isotopes from the U.S. GEOTRACES EPZT cruise
GP16 Nitrite Isotopes and Concentrations	GP16 Nitrite Isotopes and Concentrations
GP16 Particle Composition	Size-fractionated major and minor particle composition and concentration.
GP16 Particulate Iron Isotopes	Particulate iron (pFe) isotope concentrations from the GEOTRACES EPZT cruise
Grazing experiment 4: Carbon and Nitrogen	Carbon and Nitrogen data for low-high pCO2 acclimated Rhodomonas sp. cultures
Grazing experiment 5: Carbon and Nitrogen	Carbon and Nitrogen data for low-high pCO2 acclimated Rhodomonas sp. cultures
Grazing experiment 6: Carbon and Nitrogen	Carbon and Nitrogen data for low-high pCO2 acclimated Rhodomonas sp. cultures
Grazing experiment 7: Carbon and Nitrogen	Cellular carbon and Nitrogen data for low-high pCO2 acclimated Rhodomonas sp. cultures
Gross oxygen production	All measurements used in the gross oxygen production estimates
Growth rates and bulk isotope values	Growth rates, bulk isotope values, elemental composition
Growth rates and bulk isotope values	Growth rates, bulk isotope values, elemental composition
GT10 - delta-O18 and Deuterium	Depth profiles of seawater d18O and dD from 8 stations of the KN199-04 cruise.
GT10 - Fe Soluble	Soluble iron (Fe) passed through 10 kDa cross-flow filter, from GT10 cruise.
GT10-11 - delta 15N-NO3	delta 15N of nitrate from GT10 and GT11 cruises.
GT10-11 - delta_13C	delta 13C measurement of dissolved inorganic carbon (DIC) from GT10 and GT11 cruises.
GT10-11 - Pb Dissolved	Dissolved lead (Pb), less than 0.2 um, from GT10 and GT11 cruises.
Guaymas Basin 2014 DIC	Porewater DIC concentrations and d13C isotopic values from sediment cores collected on the Guaymas Basin Ridge flanks and the Sonora Margin in 2014
Guaymas Basin 2014 Organic Matter C:N Ratio	Organic matter C:N ratios from sediment cores P6,P10,P11,P12, and P13, collected on the Guaymas Basin Ridge flanks and the Sonora Margin.
Guaymas Basin 2014 Organic Matter del13C	delta 13C values from sediment cores P6,P10,P11,P12, and P13, collected on the Guaymas Basin Ridge flanks and the Sonora Margin.
Guaymas Basin 2014 Organic Matter del15N	delta 15N values from sediment cores P6, P10, P11, P12, and P13, collected on the Guaymas Basin Ridge flanks and the Sonora Margin
Guaymas Basin 2014 TOC	TOC concentrations from sediment cores P6,P10,P11,P12, and P13, collected on the Guaymas Basin Ridge flanks and the Sonora Margin
Guaymas porewater methane	Guaymas porewater methane
Gulf of Mexico deckboard ammonium uptake
Gulf of Mexico deckboard nitrate uptake
Gulf of Mexico diel ammonium uptake
Gulf of Mexico diel nitrate uptake
Gulf of Mexico in situ nitrate uptake
Gulf of Mexico net primary production
Hard Substrates Isotopes, AT37-13 & AT42-03
HMW and LMW DOC 14C	HMW and LMW DOC 14C
HOT LAVA Nitrogen	Water column nitrate+nitrite d15N and d18O and total dissolved nitrogen d15N measurements
Hurricane Harvey Impacts on Sediment Biogeochemistry
Hurricane Harvey Impacts on Water Biogeochemistry
Hurricane Matthew Geochemical Data	Water geochemistry from surface samples collected along the Neuse River, Neuse River Estuary, and Pamlico Sound in North Carolina between October and December 2016, following the passage of Hurricane Matthew
Hydrography, nutrients, and mean N2 fixation rates (SPIROPA, July 2019)	Hydrography, nutrients, and uptake rates (SPIROPA, July 2019)
IEP February and May 2017	Nutrient and nitrate isotope data from the southern Benguela upwelling system from February to August 2017
In-situ pump chemical data	In-situ pump chemical data
Incubation data for N2 fixation rates (SPIROPA, July 2019)	after Selden et al. 2024 JGR Table S1
Incubations: cell abundance, carbon fixation rates, nitrates	Carbon fixation rates Crab Spa
integrity_tests	Test of integrity of dissolved 15N2 gas samples stored in Exetainer vials
IODP360 - CHNS analyses
Isotopes d2H and d18O in natural waters of Alaska	Isotopes d2H and d18O in Alaskan ground, lake, and river water
Isotopic Composition	Description and isotopic composition of the carbonate deposits in the Santa Elena Ophiolite (Costa Rica)
Isotopic composition of phospholipid-linked fatty acids (PLFAs)	Isotopic composition of phospholipid-linked fatty acids (PLFAs) in the surface sediments of three marsh ponds in PIE-LTER (Rowley, MA). Data were collected over 11 weeks in the summer and fall of 2014.
Isotopic composition of phospholipid-linked fatty acids (PLFAs)	Isotopic composition of phospholipid-linked fatty acids (PLFAs) in the surface sediments of three marsh ponds in PIE-LTER (Rowley, MA). Data were collected over 11 weeks in the summer and fall of 2014.
Kelp Growth	Kelp Growth
Keratoisis Delta11B Delta13C and Delta18O	Keratoisis δ11B, δ13C and δ18O
LabSea_Hamme et al 2017	Noble gas and N2/Ar
LabSea_Hamme et al 2017	Noble gas and N2/Ar
LabSea_Hamme et al 2017	Noble gas and N2/Ar
Lake Michigan Chemistry	Lake Michigan Chemistry
Low-pH springs: foraminifera boron isotopes
Low-pH springs: foraminifera boron isotopes
Low-pH springs: foraminifera boron isotopes
Low-pH springs: water samples
Low-pH springs: water samples
Low-pH springs: water samples
M. jannaschii high/low H2: isotopes and fractionation factors	M. jannaschii high/low H2: isotopes
Marsh Pond noble gases	Marsh Pond noble gas concentrations and saturations.
Martha’s Vineyard Sound Iodine Isotope Tracer Experiments	Martha’s Vineyard Sound Iodine Isotope Tracer Experiments
MesoZoo Biomass BLOOFINZ-GoM	Mesozooplankton wet-dry-C&N biomass in oceanic Gulf of Mexico
Methane Isotopes	Methane (CH4) isotopes from vertical profiles from multi- and gravity cores from two cruises
Micronekton AA CSIA ALOHA: Amino acid specific isotopes in micronekton	Amino acid specific isotopes in micronekton, station ALOHA
mims_to_irms	Comparison of MIMS to IRMS
Modern deep-sea coral (Desmophyllum dianthus) nitrogen isotopes	Deep-sea coral (Desmophyllum dianthus) nitrogen isotope data
Modern Seal Amino Acid Isotopes	N isotope data for individual amino acids from modern west Antarctic seals
Modern Seal Bulk Isotopes	C and N isotope data for seal tissues from west Antarctica
mol percent - HPLC Method Glu and Phe 15N values	N isotopic composition of Phenylalanine and Glutamic Acid from a number of organisms
MV1110 CTD Nutrient and Particle Data
MV1110 Underway Nutrient and Particle Data
MV1405 Q Incubations	Q incubation data from MV1405
mz_30_int_from_o2	Test of potential m/z 30 interferences from O2
N and O isotope effects of nitrate reductases	N and O isotope effects of nitrate reduction by 3 forms of nitrate reductase.
N and O isotopes	Nitrate (d15N and d18O) and nitrite (d15N) isotopic data, and corresponding hydrographic data.
N2	The measured quantity of 15N2 added to nitrate and ammonium solutions equilibrated with 15N2 gas.
N2 excess and N species isotopic composition	Vertical profiles from the Mexican OMZ of N2 gas concentrations in excess of equilibrium values along with the isotopic composition of total N2, NO3- and NO2-
N2 Gas Excess	N2 gas concentration in excess of saturation determined by N2:Ar ratiometry
N2O Global Reconstruction	Global reconstruction of surface oceanic N2O disequilibrium and its associated flux
N2O Natural Abundance Isotopomers	N2O Natural Abundance Isotopomers in ETNP
natural abundance N and C filter content	Natural abundance of Nitrogen and Carbon on filters
NBST flux measurements
Net O2 Production	All measurements used in the net oxygen production estimates
Niskin bottle samples	Niskin bottle samples
Nitrate isotopes	Nitrate dual isotope (d15N and d18O) measurements.
Nitrogen Isotope Ratios in Amino Acid Standards and Samples	Nitrogen Isotope Ratios in Amino Acid Standards and Samples
Nitrogen isotopes in coral skeleton	Nitrogen isotopes of coral skeleton-bound organic matter
Noble gas isotope data from Oregon and Arizona groundwater	Noble gas isotope data from Oregon and Arizona groundwater
Noble gas observations and model runs	Noble gas observations for ECCO model and Matlab files
North Pacific Atmospheric Particulates	North Pacific Atmospheric Particulates
Northern Gulf of Mexico pore water constituents Fall 2020	Northern Gulf of Mexico pore water constituents Fall 2020
OC1703A and AT36 sediment C isotope ratios	OC1703A and AT36 sediment C isotope ratios
OC1703A and AT36 sediment C isotope ratios	OC1703A and AT36 sediment C isotope ratios
OC1703A and AT36 sediment N isotope ratios	OC1703A and AT36 sediment N isotope ratios
OC1703A and AT36 sediment N isotope ratios	OC1703A and AT36 sediment N isotope ratios
Open Mesocosm Oyster N2 and N2O	N2O & 15N2 in oyster mesocosms fed 15N-labeled phytoplankton
Other Solutes	Other solutes from vertical profiles from multi- and gravity cores from two cruises
OUTPACE - water column nitrate+nitrite	Water column nitrate+nitrite d15N measurements
ox18	Gross and Integrated Gross Oxygen Productivity
Pacific oyster cohort tracking data - Biochemistry	Biochemistry of 3 pacific oyster cohorts from Whiskey Creek Hatchery.
Pacific oyster cohort tracking data - Carbonate Chem	Carbonate chemistry of 3 pacific oyster cohorts from Whiskey Creek Hatchery.
Pacific oyster cohort tracking data - Stable Isotopes	Stable isotopes of 3 pacific oyster cohorts from Whiskey Creek Hatchery.
Particle bulk d15N values	Particle bulk d15N values
Particle d15N values of amino acids	Particle d15N values of amino acids
Particles and Zooplankton AA-CSIA	Particles and Zooplankton Amino Acid Compound Specific Isotope Analyses (AA-CSIA) and zooplankton biomass in the Equatorial North Pacific and station Aloha
particulate N	Particulate Nitrogen - The delta 15N of Dunaliella tertiolecta organic matter after growth in media equilibrated with 15N2 gas.
Particulate N and NO3 isotopes: EN532	Particulate nitrogen concentrations and N isotopic composition, and nitrate isotopic composition from EN532
Particulate Organic Matter and Isotopes	Carbon, nitrogen, d13C, and d15N water column data from the SalpPOOP cruise
Pen Bay Archaeofish	C and N isotope data of archaeological fish bones from Penobscot Bay.
Permafrost Borehole Geochemistry in the Barrow Permafrost Tunnel	Permafrost Borehole Geochemistry in the Barrow Permafrost Tunnel
Permafrost Brine Geochemistry in the Barrow Permafrost Tunnel	Permafrost Borehole Geochemistry in the Barrow Permafrost Tunnel
Planktic foraminifer shell d15N from core-top sediments	Planktic foraminifer shell d15N from core-top sediments
Planktic foraminifer shell d15N from net tows	Planktic foraminifer shell d15N from net tows in the Sargasso Sea
Planktic foraminifer shell d15N from sediment traps	Planktic foraminifer shell d15N from sediment traps in the Sargasso Sea
Planktic foraminifer tissue d15N from net tows	Planktic foraminifer tissue d15N from net tows in the Sargasso Sea
Pleuromamma xiphias: animal condition	P. xiphias AMT24 condition
Plocamium CHN and stable isotopes	Plocamium carbon and nitrogen content and stable isotope values
Plocamium culture: seawater delta13C	Stable isotope ratio and concentration of carbon in seawater
POC and Isotopes	POC and isotopes from vertical profiles from multi- and gravity cores from two cruises
POC PON isotopes	Concentrations and stable isotope abundances of particulate organic carbon (POC) and particulate organic nitrogen (PON).
Porewater Composition	Biogeochemical and sediment characteristics of the Cinder Cones Methane seep site
Porewater Geochemistry - Ruff	Porewater geochemistry data for sediment samples that were included in global seep survey (Ruff et al. 2015).
Porewater Nitrate and Isotopic Ratios	Porewater measurements of nitrate concentration and N and O isotopic ratios (d15N and d18O) from bore holes U1382B, U1383D, and U1384A at North Pond during IODP 336.
Porewater Nitrogen	Porewater measurements of nitrate and nitrite concentration and N and O isotopic ratios (d15N and d18O) from sites 3 and 10 on the North Atlantic Long Core Cruise R/V Knorr KN223
Primary producer amino acid carbon isotopes	Primary producer amino acid carbon isotopes
Primary Production	Primary production measured using H13CO3 from the San Pedro Ocean Time-series (SPOT) measured between 2014 to 2016
qPCR_Parameters	Limits of detection and qPCR efficiencies from cruise SAV 17-16 in the South Atlantic Bight aboard the R/V Savannah from 2011 to 2017
Radiocarbon in Methane	14C-CH4 in waters from Coal Oil Point seep field
Ramped Pyrolysis Oxidation (RPO) isotope data from Station M
Reference samples: carbon nitrogen and isotopes	Reference C, N and isotopes
Response of Ulva to OA and NH4+	Response of Ulva to OA and NH4+
Rhodomonas CN	Rhodomonas carbon and nitrogen content
Ruiz-Cooly 2014 - Compound-specific carbon in sperm whale skin tissue	Compound-specific carbon isotopes from sperm whale skin tissue
Ruiz-Cooly 2014 - Compound-specific nitrogen in sperm whale skin tissue	Compound-specific nitrogen isotopes from sperm whale skin tissue
Ruiz-Cooly 2014 - Sperm whale sample info	Sperm whale skin tissue samples information
Ruiz-Cooly 2014 - sperm whale skin bulk C and N	Sperm whale skin bulk C and N isotopes
Sargasso Sea Hydrocarbons
Sargasso Sea Hydrocarbons
SCCS Bulk N2 Fixation Measurements	Bulk N2 fixation measurements
Seagrass carbon nitrogen and isotopes	Seagrass C, N and isotopes
Seagrass nutrients post-Hurricane	Nutrient content and stable isotope ratios from seagrasses in Texas over one year following Hurricane Harvey
Seagrasses carbon nitrogen and isotopes - summary	summary C, N and isotopes
Sealed Oyster Aquarium 15N Tracer, 15N2 and N2O	N2O, 15N2, 15N tissue tracer in oyster aquariums
seal_and_prey_stable_isotopes	Isotope ratios of carbon and nitrogen from harbor seals and prey species.
Sediment Core Biogeochemistry	Sediment Core Biogeochemistry
Sediment delta-13C methane and methane concentrations	sediment methane
Sediment fluxes	Sediment fluxes of dissolved gasses and nutrients.
Sediment NO3 reduction rates, associated genes, and environmental data	Sediment NO3 reduction rates, associated genes, and environmental data
Sediment PLFA isotope data	Sediment PLFA isotope values.
Sediment porewater and particulates of Louisiana Shelf	Sediment porewater and particulates on Louisiana Shelf Dec 2021-Aug 2022
Sediment trap C N and Isotope Flux	Sediment trap carbon, nitrogen, and isotope flux
Sediment trap salp fecal pellet mass flux	Sediment trap salp fecal pellet mass flux
SIMCO Pilot Study: DOC, delta13C and salinity	DOM, delta13C, and salinity from samples collected during the SIMCO1 and SIMCO2
SIMCO Pilot Study: FTICRMS spectra	FT-ICR MS data from samples collected during the SIMCO pilot study
Siphonophore bulk stable isotopes	Siphonophore bulk stable isotopes
Siphonophore CSIA-AA	Siphonophore CSIA-AA
Size Fractionated Zooplankton Carbon and Nitrogen	Size fractionated zooplankton C:N, d13C and d15N from EXPORTS
Size fractionated zooplankton, C:N, d13C, and d15N from JC214	Size fractionated zooplankton, C:N, d13C, and d15N from JC214
Soil physicochemical properties	Soil physicochemical properties of wetland soil cores (Barataria Bay, LA)
South Pacific Nitrate Isotopes	Nitrate and Oxygen isotope measurements from CLIVAR line P16S in 2005
Southern Ocean deep-sea fossil coral (Desmophyllum dianthus) nitrogen isotope records: Monte Carlo and Kalman Filters	Southern Ocean deep-sea fossil coral (Desmophyllum dianthus) nitrogen isotope records generated using Monte Carlo and Kalman Filters
Southern Ocean deep-sea fossil coral (Desmophyllum dianthus) nitrogen isotopes	Deep-sea fossil coral (Desmophyllum dianthus) nitrogen isotopes
Southern Ocean foraminifer N isotopes	Planktic foraminifer tissue and shell d15N from net tows in the African sector
Southern Ocean foraminifer N isotopes	Planktic foraminifer tissue and shell d15N from net tows in the African sector
Southern Ocean particulate organic N isotopes	Bulk suspended PON d15N from the region south of African sector
Southern Ocean seawater N isotopes	Nitrate+nitrite and nitrate-only δ15N from the Southern Ocean south of Africa
Southern Ocean zooplankton N isotopes	Size-fractionated zooplankton δ15N from net tows in the African sector
Southern Ocean zooplankton N isotopes	Size-fractionated zooplankton δ15N from net tows in the African sector
SPE-DOC 13C from GO-SHIP cruises (2015 to 2018)	Stable carbon isotopes of DOC from GO-SHIP cruises
Spring 2011 -Sediment Gas Concentrations and Stable Isotope Values	Spring 2011 -Sediment Gas Concentrations and Stable Isotope Values
Spring 2012 - d13C and d2H Stable Isotope Composition	Spring 2012 - d13C and d2H Stable Isotope Composition
Spring 2012 - Master Data Sheet	2012 Arctic Sediment/Permafrost Master
SR2114 Fish larvae isotope data	SR2114 Fish larvae isotope data
SRiMP	The Skidaway River Monitoring Program (SRiMP)
Stable C and O isotopes for Guaymas Basin and Sonora Margin sediments	d13C and d18O isotopic data for carbonate nodules and sedimentary carbonates in Guaymas Basin and Sonora Margin sediments
Stable carbon isotopes of seafloor basalts	Stable carbon isotopic composition of organic matter from seafloor basalts incubated with labeled bicarbonate
Stable Isotope 13C and 15N	Stable Isotope 13C and 15N
Stable Isotope measurements – experimental animals
Stable Isotope measurements – field and lab samples
Stable Isotopes - DIC and Acetate	The acetate and inorganic carbon uptake rates as determined via stable isotopic tracers; data generated using the formation fluids recovered from the CORKs installed at the North Pond in 2012
Stable Isotopes and Elemental Ratios	Stable isotopes and elemental ratios
Stable Isotopes of DBC in River and Ocean Samples	Stable Isotopes of DBC in River and Ocean Samples
Subterranean Estuary Sediment Nitrification Incubation Data, 2020	Sediment Nitrification Incubation
Sulfur Geochemistry	Sulfur geochemistry of the Santa Elena (Costa Rica) ultramafics
Sup_Aug-09-carbon	Sup_Aug-09-carbon
Sup_Aug-10-carbon	Sup_Aug-10-carbon
Sup_June-09-carbon	Sup_June-09-carbon
Sup_May-10-carbon	Sup_May-10-carbon
Surface Sedimentary Black Carbon Concentrations and Carbon Isotopes Values
Suspended particle total mercury and monomethylmercury in the California Current Ecosystem (CCE)	Suspended particle total mercury and monomethylmercury in the California Current Ecosystem (CCE)
Suspended particles from in situ pumps	Suspended particles from in situ pumps from cruise KM1910
Suspended particles underway	Suspended particles from ship’s surface intake
Suspended particulate organic matter composition	Suspended particulate organic matter composition of three high marsh ponds within PIE-LTER. Data were collected over 11 weeks in the summer and fall of 2014.
T Lake 1200-yr Reconstruction	Record of abundance and δ2H of dinosterol in down core lake sediments from T Lake, Palau
The influence of reactive oxygen species on "‘respiration" isotope effect	The influence of reactive oxygen species on "‘respiration" isotope effect
tidepool ammonium and mussels	Ammonium in tidepools with and without mussels
tidepool incubation ammonium	Ammonium levels in incubated bottles in tidepools
TONGA nitrate plus nitrite isotopes	TONGA NO3 d15N
Total dissolved Cr concentration and isotopic composition in the ETNP from RR1804-05 and KM1919-20	Total dissolved Cr concentration and isotopic composition in the ETNP from RR1804-05 and KM1919-20
Total DOC 14C	Total DOC 14C
Tracer data	Palau coral nutrient transfer tracer experiments
trial_a	Trial A test of the dissolution method
trial_b	Trial b test of the dissolution method
trichodesmium_fixation	CO2 and N2 fixation and trichome length of Trichodesmium erythraeum under varying pCO2 and light conditions.
Triple oxygen isotopes of respiration and photo-oxidation of DOC	Triple oxygen isotopes of respiration and photo-oxidation of DOC
UConn Seasonal IPT	Sets of sediment cores taken for isotope pairing and other nitrogen cycle parameters seasonally since November 2013
Ulva: CHN and stable isotopes	Stable isotope ratios and mass of carbon and nitrogen in Ulva cells under OA
Ulva: seawater delta13C	Stable isotope ratio and concentration of carbon in seawater, Ulva expts.
VAHINE nitrogen
Water Column Nitrate d15N Cocos Ridge Upper 1000m	Water Column Nitrate d15N Cocos Ridge Upper 1000m
West Antarctic Isoscape Data	C and N isotope data for zoo- and phytoplankton from west Antarctica
Zooplankton d13C and d15N of individual amino acids from RR1813	Zooplankton d13C and d15N of individual amino acids from RR1813
Zooplankton d13C and d15N of individual amino acids from RR1813	Zooplankton d13C and d15N of individual amino acids from RR1813
[DEPRECATED] AT37-13 Colonization Experiment Isotopes	[DEPRECATED] Averages and standard deviation of stable isotopes (d13C and d15N) across species for all macrofauna found on each substrate (carbonate rocks, woods, and bones) of the colonization experiment held in Mound 12
[DEPRECATED] Properties of HMW and LMW DOM from the NPSG	Recovery parameters, isotopic composition (d15N, d13C, D14C), and elemental composition (C:N) of HMW and LMW DOM collected from the North Pacific Subtropical Gyre

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Instrument: Isotope-ratio Mass Spectrometer