Parameter: d15N

Short Description:

d15N

Short Name:

d15N

Official Name:

d15N

Units:

various

Graphable:

Yes

Description

delta 15N (d15N) is a measure of the ratio of stable isotopes 15N:14N. It is commonly reported in parts per thousand (per mil, 0/00).

Datasets associated with this parameter

Dataset Name	Brief Description	Project	PI-Supplied Parameter Name
2018 sediment properties: Anahuac and Aransas	2018 sediment properties: Anahuac and Aransas	Harvey Marsh Carbon Storage	N_15
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 food web	delta15N
ACE-Leg 1 NO3 Isotopes	ACE-Leg 1 NO3 Isotopes	Nitrate Assimilation Phytoplankton	NO3_NO2_d15N
Amino acid isotopes from mussels	N, C compound-specific amino acid isotopes from mussels along CA margin: new approach for paleo-isoscape reconstructions	Amino Acid Sediment 15N	Bulk_d15N, Bulk_d15N_stdev
Atlantic ZooPlankton AA 15N values	Mean d15N of individual amino acids and bulk organic matter for five plankton size fractions	Amino Acid Sediment 15N	Bulk_15N, Bulk_15N_significant_difference
BLOOFINZ-GoM nutrients and isotopes	BLOOFINZ-GoM Nutrients, Nitrate isotopes, DON isotopes	BLOOFINZ-IO	DON_d15N
Bulk and CSIA-AA stable isotopes in sinking POM and proteinaceous deep-sea coral skeletal material		Deep Sea Coral Reconstruction	d15N_Asp_STD, d15N_Thr_AVG, d15N_Phe_STD, d15N_Ala_AVG, d15N_Thr_STD, d15N_Lys_AVG, d15N_Ala_STD, d15NSrcAA_AVG, d15N_Lys_STD, d15N_Leu_AVG, d15NSrcAA_STD, d15N_Gly_AVG, d15N_Leu_STD, d15NTrAA_AVG, d15N_Gly_STD, d15N_Ile_AVG, d15NTrAA_STD, d15N_Ser_AVG, d15N_Ile_STD, d15N_Ser_STD, d15N_Pro_AVG, d15N_Glu_AVG, d15N_Pro_STD, d15N_Glu_STD, d15N_Val_AVG, d15Nbulk, d15N_Asp_AVG, d15N_Val_STD, d15N_Phe_AVG
Bulk sediment organic matter composition	Bulk sediment organic matter composition	Benthic_PP_at_TIDE	d15N
C and N isotopes	CN isotopes	Coral DOM2	d15N_permil_vs_AIR
Chemical data	Chemical data associated with field collections.	Alexandrium-isotopes	d15N_NO3, d15N_NH4, d15N_POM
CN isotopes seawater and zooplankton	CN isotopes inorganic/organic matter Hawai'i	Coral Adaptation	d15N
Coral physiology survey		Coral Adaptation	d15Nh_e
d15N of PON from Net Tows	d15N of size-fractionated particulate organic nitrogen (PON) from net tows in the Sargasso Sea	N Isotopes Foraminifera	d15N_AVG, d15N_stdev
d15N of PON from Sediment Traps	d15N of size-fractionated particulate organic nitrogen (PON) from sediment traps in the Sargasso Sea	N Isotopes Foraminifera	bulk_d15N_500m, bulk_d15N_1500m, bulk_d15N_3200m
DDA nutrient acquisition	DDA nutrient acquisition	META-DDA	d15N
DON concentration and DON d15N	Measurements of dissolved organic nitrogen concentration and d15N	N2 fixation ETSP, Microbial Nitrification	DON_d15N, DON_d15N_stdev
Dongsha Stable Isotope	Dongsha Atoll Coral 45 Years Bimonthly Stable Isotope Data	Coral climate effects	CS_d15N
ETSP 2013 NO3 NO2 N2O	Nitrate, nitrite, and nitrous oxide isotope measurements from the Eastern Tropical South Pacific ocean (NBP13-05)	N2O Cycling	d15Na_sd, d15Nb, d15Nb_sd, d15Na
ETSP N2O	ETSP N2O	Microbial Nitrification	d15n_bulk_1, d15n_alpha_2, d15n_beta_2, d15n_bulk_2, d15n_alpha_1, d15n_beta_1
ETSP NO3 and NO2 isotopes	ETSP NO3 and NO2 isotopes	Microbial Nitrification	del15N_NO2, del15N_NO2_sd
Fossil Seal Bulk Isotopes 14C	Location, weathering, bulk isotope, and 14C data for fossil seals from the western Ross Sea, Antarctica	Southern Ocean Pinnipeds	d15N
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	U.S. GEOTRACES Arctic, US GEOTRACES Arctic Nitrogen Flux	AMMONIUM_15_14_D_DELTA_ICORE
GN01 Snow NO3 NH4 H2O	Nitrate (NO3), ammonium (NH4), and oxygen & deuterium isotopic composition from snow collected on the US GEOTRACES Arctic cruise, HLY1502	U.S. GEOTRACES Arctic, US GEOTRACES Arctic Nitrogen Flux	AMMONIUM_15_14_D_DELTA_SNOW
Growth rates and bulk isotope values	Growth rates, bulk isotope values, elemental composition	Amino Acid Sediment 15N	Bulk_stable_isotope_d15N
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	RAPID Guaymas Basin, C-DEBI Guaymas Subseafloor Life	Orgmatter_del15N
Gulf of Mexico NO3 isotopes		SW Pac N2 fixation	NO3_NO2_d15N
Gulf of Mexico particulate organic matter and isotopes		BLOOFINZ-IO, GoMex Tuna Foodweb B	d15N
Gulf of Mexico sediment trap		BLOOFINZ-IO, GoMex Tuna Foodweb B	d15N, Sigma_d15N
Hard Substrates Isotopes, AT37-13 & AT42-03		Costa Rica Seeps	d15N_avg, d13C_sd, d15N_sd
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	HMATT	d15N_PN
Incidence of volume effect	Volume-dependent offsets in NO3- N and O isotope ratios of reference materials	Biological Nitrogen Isotope Fractionation	delta_15N, stdev_of_delta_15N
Incomplete sparging	Effects of sample volume on N2O recovery and isotopic analysis	Biological Nitrogen Isotope Fractionation	delta_15N
Incubation in diffuse flow vent fluids - Crab Spa	Results of on-board incubations of microbes in diffuse flow vent fluids collected from Crab Spa and Alvinella patch	Microbial Communities at Deep-Sea Vents	d15N_NO3_ppt, d15N_Biomass_ppt
Isotope ratio simulation	Simulation of the volume-dependent changes in ẟ15N and ẟ18O for IAEA-NO3 and USGS-34 reference materials	Biological Nitrogen Isotope Fractionation	Observed_delta_15N_pcnt, stdev_of_observed_delta_15N, Expected_delta_15N_pcnt, plus_blks_delta_15N_pcnt, plus_sparge_delta_15N_pcnt
Lake Michigan Chemistry	Lake Michigan Chemistry	Filter Feeders Physics and Phosphorus	d15N
Macroalgal carbon and nitrogen content		High latitude kelp dynamics	d15N
Modern deep-sea coral (Desmophyllum dianthus) nitrogen isotopes	Deep-sea coral (Desmophyllum dianthus) nitrogen isotope data	DeepSeaCoralNitrogen	d15N, d15N_sd
MV1110 CTD Nutrient and Particle Data		ANACONDAS	d15N
MV1110 Underway Nutrient and Particle Data		ANACONDAS	d15N
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-	OMZ Biogeochemistry Floats	d15N2, stdev_d15N2_anomaly
N2O Natural Abundance Isotopomers	N2O Natural Abundance Isotopomers in ETNP	N2O in ETNP	d15N_beta_N2O_rep1, d15N_beta_N2O_rep2, d15N_N2Obulk_rep1, d15N_N2Obulk_rep2, d15N_NO2_rep1, d15N_NO2_rep2, d15N_NO2_avg, d15N_alpha_N2O_rep1, d15N_alpha_N2O_rep2, d15N_alpha_N2O_mean, d15N_alpha_N2O_std
Niskin bottle samples	Niskin bottle water samples and CTD measurements at water sample depths from the Hawaii Ocean Time-Series (HOT)	HOT	P15N
Niskin bottle samples	Niskin bottle samples	Chief Sci KM1910	P15N
Nitrogen Isotope Ratios in Amino Acid Standards and Samples	Nitrogen Isotope Ratios in Amino Acid Standards and Samples	Amino Acids N Isotopes	d15N
Nutrient concentrations and stable isotope values for groundwater		SAB BMA	d15N_bulk_sediments, d15N_water_filters, d15N_TDN_well_water
OC1703A and AT36 sediment N isotope ratios	OC1703A and AT36 sediment N isotope ratios	Deep Sediment N Fix	d15N
Organic matter composition of the dominant plants	Organic matter composition of the dominant plant communities in and around three high marsh ponds within PIE-LTER. Data were collected in the summer of 2014.	Benthic_PP_at_TIDE	d15N
Particle AA CSIA ALOHA: Amino acid specific isotopes in particles	Amino acid specific isotopes in particles, station ALOHA	Hg_Biogeochemistry	delta15N, delta15N_stdev
Particle bulk d15N values	Particle bulk d15N values	EXPORTS Isotopes	d15N, SD_d15N
Particle d15N values of amino acids	Particle d15N values of amino acids	EXPORTS Isotopes	SD_d15N_Thr, SD_d15N_Lys, d15N_Iso, SD_d15N_Ser, d15N_THAA, d15N_Pro, SD_d15N_Val, d15N_Asx, SD_d15N_Leu, d15N_Met, SD_d15N_Iso, d15N_Glx, SD_d15N_Pro, d15N_Ala, d15N_Phe, SD_d15N_Asx, d15N_Gly, d15N_Tyr, SD_d15N_Met, d15N_Thr, d15N_Lys, SD_d15N_Glx, d15N_Ser, SD_d15N_Ala, SD_d15N_Phe, d15N_Val, SD_d15N_Gly, SD_d15N_Tyr, d15N_Leu
Particle Flux	Particle flux measurements from the Hawaii Ocean Time-Series (HOT)	HOT	Delta_15N
Particulate Organic Matter and Isotopes	Carbon, nitrogen, d13C, and d15N water column data from the SalpPOOP cruise	Salp Food Web Ecology	d15N
Planktic foraminifer shell d15N from core-top sediments	Planktic foraminifer shell d15N from core-top sediments	N Isotopes Foraminifera	d15N
Planktic foraminifer shell d15N from net tows	Planktic foraminifer shell d15N from net tows in the Sargasso Sea	N Isotopes Foraminifera	d15N
Planktic foraminifer shell d15N from sediment traps	Planktic foraminifer shell d15N from sediment traps in the Sargasso Sea	N Isotopes Foraminifera	d15N
Planktic foraminifer tissue d15N from net tows	Planktic foraminifer tissue d15N from net tows in the Sargasso Sea	N Isotopes Foraminifera	d15N
Primary producer amino acid nitrogen isotope data meta-analysis	Published primary producer amino acid nitrogen isotope values to examine beta variability in trophic position estimates	GoME Copepod Coral Export	Asp, Met, Ala, His, Ile, Tyr, Leu, Thr, Pro, Val, Gly, Ser, Arg, Phe, Glu, Lys
Reference samples: carbon nitrogen and isotopes	Reference C, N and isotopes	Seagrass Blue Carbon	d15N
Scale contraction simulation	Simulation of δ15N and δ18O scale contraction, given the observation of the fraction of O atom exchange with water and blanks.	Biological Nitrogen Isotope Fractionation	Model_1_delta_15N_scale_contraction_pcnt, Model_2_delta_15N_scale_contraction_pcnt, Observed_delta_15N_scale_contraction_pcnt, stdev_of_observed_delta_15N_scale_contraction
Scale contractions	TM15N (TM18O) scale contraction calculated as the percent deviation of the difference between measured TM15N (TM18O) values of IAEA-NO3 and USGS-34 from the true difference	Biological Nitrogen Isotope Fractionation	delta_15N_scale_contraction, stdev_of_delta_15N_scale_contraction
Seagrass carbon nitrogen and isotopes	Seagrass C, N and isotopes	Seagrass Blue Carbon	d15N
Seagrass nutrients post-Hurricane	Nutrient content and stable isotope ratios from seagrasses in Texas over one year following Hurricane Harvey	Hurricane impacts on seagrasses	d15N_AIR
Seagrasses carbon nitrogen and isotopes - summary	summary C, N and isotopes	Seagrass Blue Carbon	d15N
Sediment Core Incubations - Sylt 2013		Coastal_Nitrous_Oxide	TRN_d15N, N2O_d15N, NO2_d15N, TDN_d15N
Sediment porewater and particulates of Louisiana Shelf	Sediment porewater and particulates on Louisiana Shelf Dec 2021-Aug 2022	Extreme Si	POC_d15N_Air_avg, POC_d15N_Air_stdev
Sediment trap C N and Isotope Flux	Sediment trap carbon, nitrogen, and isotope flux	Salp Food Web Ecology	d15N, d15N_stdev
Sediment trap time-series: carbon and nitrogen isotopes	Carbon and nitrogen isotopes: sediment trap time-series	CCS-Forams	delta15N
Sinking particles from traps	Sinking particles from traps	Chief Sci KM1910	sd_15N_Pton, Pton_15N
Size fractionated zooplankton, C:N, d13C, and d15N from JC214	Size fractionated zooplankton, C:N, d13C, and d15N from JC214	EXPORTS OM Degradation Indicators	d15N
Soil physicochemical properties	Soil physicochemical properties of wetland soil cores (Barataria Bay, LA)	Submerged Wetland Carbon	d15N
Southern California Seeps Stable Isotopes		Methanosphere	d15N
Southern Ocean foraminifer N isotopes	Planktic foraminifer tissue and shell d15N from net tows in the African sector	Diatom-bound_N_Isotopes, N Isotopes Foraminifera, stable isotope instrumentation	d15N_PON_sd, d15N_PON_avg
Southern Ocean particulate organic N isotopes	Bulk suspended PON d15N from the region south of African sector	stable isotope instrumentation, Diatom-bound_N_Isotopes, N Isotopes Foraminifera	PONd15N_avg, PONd15N_sd
Stable Isotope 13C and 15N	Stable Isotope 13C and 15N	Sponge Holobiont DOM	d15N
Stable Isotope measurements – experimental animals		Egg Boon Food Webs	d15N
Stable Isotope measurements – field and lab samples		Egg Boon Food Webs	d15N
Stable Isotopes and Elemental Ratios	Stable isotopes and elemental ratios	DON Microbial Nitrogen Pump	d15N, d15N_stdev
Stable isotopic composition of McMurdo Benthos	Stable isotopic composition of McMurdo Benthos	McMurdo Benthos	delta_N15
Subterranean Estuary In Situ Tracer Experiment Incubation Data, 2019		Subsurface cryptic N cycle	True_d15N, Mole_Fraction_Calc
Subterranean Estuary Sediment Nitrification Incubation Data, 2020	Sediment Nitrification Incubation	Subsurface cryptic N cycle	d15N, Mole_Fraction_15N
Suspended particles from in situ pumps	Suspended particles from in situ pumps from cruise KM1910	Chief Sci KM1910	P15N_m1, P15N_m2, P15N_z
Suspended particles from pumps		CaCO3 dissolution	d15N
Suspended particles underway	Suspended particles from ship’s surface intake	Chief Sci KM1910	P15N_GFF
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.	Benthic_PP_at_TIDE	d15N
tidepool ammonium and mussels	Ammonium in tidepools with and without mussels	Regenerated Nitrogen	d15N_NH4
West Mata 2009 DOC,13C-POC, DON		West Mata Volcano	d15N_PN
Zooplankton bulk isotopes		Salp Food Web Ecology	d15N
Zooplankton/phytoplankton CSIA-AA	15N AA from phytoplankton, microzooplankton and Calanus pacificus	CSIA-AA Mesozooplankton TP	Glu_d15N, IsoL_d15N, Leu_d15N, Pro_d15N, Val_d15N, Gly_d15N, Lys_d15N, Phe_d15N, bulk_d15N, Ser_d15N, Ala_d15N, Thr_d15N, Asp_d15N
[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	Costa Rica Seeps	d15N_avg, d15N_stdev

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Parameter: d15N