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https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_743867 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_743867.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_743867/ public A compilation of dissolved noble gas and N2/Ar ratio measurements collected from 1999-2016 in locations spanning the globe Inert gases dissolved in the ocean are powerful tracers of the impact of physical processes on gases, particularly air-sea gas exchange (by both diffusive and bubble-meditated processes), temperature change, atmospheric pressure variation, mixing between different water masses, and ice processes. We have compiled a global ocean database of dissolved neon, argon, and krypton measurements, supplemented by helium, xenon, and nitrogen/argon (N2/Ar) ratios in some locations. Samples were collected on board multiple research cruises spanning the period 1999 through 2016 and analyzed by mass spectrometry at four different shore-based laboratories (University of Victoria, Woods Hole Oceanographic Institution, University of Washington, and Scripps Institution of Oceanography).\n\ncdm_data_type = Other\nVARIABLES:\nsequence (unitless)\ncruise_name (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\nevent (unitless)\nstation (unitless)\ncast (unitless)\nniskin (unitless)\nyear (unitless)\nmonth (unitless)\nday (unitless)\npress (decibars (dbar))\nCTDtemp (degrees Celsius)\nCTDsal (unitless)\nanalysis_lab (unitless)\nsecondary_analysis_lab (unitless)\nHe_conc (micromoles per kilogram (umol/kg))\nHe_conc2 (micromoles per kilogram (umol/kg))\nNe_conc (micromoles per kilogram (umol/kg))\n... (40 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_743867_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_743867/index.htmlTable https://www.bco-dmo.org/dataset/743867 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_743867.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_743867&showErrors=false&email= BCO-DMO bcodmo_dataset_743867
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_815732 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_815732.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_815732/ public Basic CTD hydrography data collected during R/V Savannah cruises conducted in the South Atlantic Bight off the coast of Georgia from 2015-2017 Basic CTD data collected using a Sea-Bird Scientific SBE 911 during several R/V Savannah cruises conducted from 2015 to 2017 along a transect from shelf waters to oligotrophic waters in the South Atlantic Bight off the coast of Georgia (Navy Op Area NA06).\n\ncdm_data_type = Other\nVARIABLES:\nCruise_ID (unitless)\nCast_ID (unitless)\nStation_ID (unitless)\nUTC_Date (unitless)\nUTC_Time (unitless)\ntime (ISO Date Time UTC, seconds since 1970-01-01T00:00:00Z)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndepth (m)\nStrain_Gauge_Pressure (psi)\nConductivity (Sea Water Electrical Conductivity, millisiemens per centimeter (mS/cm))\nSalinity (Sea Water Practical Salinity, PSU)\nTemperature (degrees Celsius)\nPotential_Temp (degrees Celsius)\nDensity (kilograms per cubic meter (kg/m^3))\nSigma_theta (Sea Water Sigma Theta, kilograms per cubic meter (kg/m^3))\nOxygen_mLL (Oxygen M LL, milliliters per liter (ml/l))\nOxygen_pcnt (unitless (percent))\nPAR_Irradiance (unitless)\nISUS (volts)\nflag (unitless)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_815732_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_815732/index.htmlTable https://www.bco-dmo.org/dataset/815732 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_815732.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_815732&showErrors=false&email= BCO-DMO bcodmo_dataset_815732
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_680929.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_680929 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_680929.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_680929/ public CTD data from McMurdo Sound, Antarctica from 2012 to 2015  (McMurdo Predator Prey project) This dataset includes temperature, salinity, conductivity, oxygen, depth,\nsound velocity, chlorophyll fluorescence, and pH measurements from McMurdo\nSound, Antarctica. \\u00a0Data were collected by CTD, fluorescence, and pH\nsensors during austral years 2012/2013 and 2014/2015\n\ncdm_data_type = Other\nVARIABLES:\naustral_year (unitless)\nstation (unitless)\ncast (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndepth (m)\ntime (ISO Date Time UTC, seconds since 1970-01-01T00:00:00Z)\ndate_local (unitless)\ntime_local (unitless)\ntime_zone_offset (unitless)\ntemp (Temperature, degrees Celsius)\npotemp (degrees Celsius)\nsal (practical salinity unit (PSU))\ncond_S_m (Siemens per meter (S/m))\ncond_mS_cm (Cond M S Cm, millisiemens per centimeter (mS/cm))\ndensity (kilograms per meter cubed (kg/m^3))\nsigma_theta (Sea Water Sigma Theta, kilograms per meters cubed)\nsigma_t (kilograms per meters cubed)\npress (decibars (db))\nO2_mL_L (O2 M L L, milliliters per liter (ml/l))\nO2_mg_L (milligrams per liter (mg/l))\nO2_umol_kg (micromoles per kilogram (umol/kg))\nO2_sat (percent)\nfluor (milligrams per meter cubed (mg/m^3))\n... (8 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_680929_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_680929/index.htmlTable https://www.bco-dmo.org/dataset/680929 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_680929.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_680929&showErrors=false&email= BCO-DMO bcodmo_dataset_680929
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_555691 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_555691.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_555691/ public Nitrate + nitrite concentration and d15N from the Eastern Tropical South Pacific collected on the R/V Atlantis (AT15-61) and R/V Melville (MV1104) in 2010-2011 (N2 fixation ETSP project, Microbial Nitrification project) Nitrate + nitrite concentration and d15N from the Eastern Tropical South Pacific, 2010-2011\n\ncdm_data_type = Other\nVARIABLES:\ncruise_id (unitless)\ndate (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\nstation (unitless)\ndepth (m)\nsigma_theta (Sea Water Sigma Theta, unitless)\nNO3_NO2 (Mole Concentration Of Nitrate In Sea Water, micro mols N per liter)\nNO3_NO2_sd (micro mols N per liter)\ndel15N_NO3NO2 (Del15 N NO3 NO2, per mil versus air)\ndel15N_NO3NO2_sd (Del15 N NO3 NO2 Sd, per mil versus air)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_555691_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_555691/index.htmlTable https://www.bco-dmo.org/dataset/555691 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_555691.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_555691&showErrors=false&email= BCO-DMO bcodmo_dataset_555691
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_744679 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_744679.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_744679/ public Nitrate, nitrite, and nitrous oxide isotope measurements from the Eastern Tropical South Pacific ocean collected on RVIB Nathaniel B. Palmer cruise NBP1305 from June to July 2013 Nitrate, nitrite, and nitrous oxide isotope measurements from the Eastern Tropical South Pacific ocean collected on RVIB Nathaniel B. Palmer cruise NBP1305 from June to July 2013. The data in this dataset were published in Peters et al. (2018) and Casciotti et al. (2018).\n\ncdm_data_type = Other\nVARIABLES:\nCTD_cast (unitless)\nSTN (unitless)\ntime (seconds since 1970-01-01T00:00:00Z)\ndepth (m)\nPRESSURE (decibars)\nlatitude (degrees_north)\nlongitude (degrees_east)\nTEMPERATURE (degrees C)\nSALINITY (Sea Water Practical Salinity, PSU)\nSIGMA_THETA (Sea Water Sigma Theta, kg/m3)\nSBE_OXYGEN (umol/kg)\nO2_SAT_mL_L (O2 SAT M L L, ml/L)\nO2_SAT_umol_kg (umol/kg)\nAOU (umol/kg)\nNO3_sample_IDs (unitless)\nsulfamic_treated (unitless)\nd15N_NO3 (Mole Concentration Of Nitrate In Sea Water, per mil vs. N2)\nd15N_NO3_sd (D15 N NO3 Sd, per mil)\nd18O_NO3 (Mole Concentration Of Nitrate In Sea Water, per mil vs. VSMOW)\nd18O_NO3_sd (D18 O NO3 Sd, per mil)\nd15N_NO2 (Mole Concentration Of Nitrite In Sea Water, per mil vs. N2)\nd15N_NO2_sd (D15 N NO2 Sd, per mil)\nd18O_NO2 (Mole Concentration Of Nitrite In Sea Water, per mil vs. VSMOW)\nd18O_NO2_sd (D18 O NO2 Sd, per mil)\nN2O_sample_ID_1 (N2 O Sample ID 1, unitless)\n... (21 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_744679_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_744679/index.htmlTable https://www.bco-dmo.org/dataset/744679 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_744679.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_744679&showErrors=false&email= BCO-DMO bcodmo_dataset_744679
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_811839.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_811839 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_811839.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_811839/ public Nutrient and nitrate isotope data from the southern Benguela upwelling system from February to August 2017 Analysed Particulate Organic Matter data, Nutrient data and Nitrate isotope data from the 2017 Integrated Ecosystem Programme: Southern Benguela (IEP:SB) cruises conducted in February, May, and August 2017. The IEP:SB is a multi-disciplinary, multi-institutional platform to undertake relevant science in the Southern Benguela; also functioning as a platform for collaboration and learning. \\r\\n\\r\\nNitrate+nitrite concentrations were measured on a Lachat QuickChem flow injection analysis platform in a configuration with a detection limit of 0.1 \\u00b5M, while phosphate and nitrite concentrations were measured using standard benchtop techniques on a Thermo Scientific Genesis 30 Visible spectrophotometer in a configuration with a detection limit of 0.05 \\u00b5M. The N and O isotope ratios of the N2O gas were analysed using a Delta V Advantage continuous flow isotope ratio mass spectrometer interfaced with an online N2O extraction and purification system.\n\ncdm_data_type = Other\nVARIABLES:\nCruise (unitless)\nMonth (unitless)\nYear (unitless)\nStation_ID (unitless)\nMonitoring_line (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndepth (m)\nTemperature (degrees Celsius (C))\nSalinity (Sea Water Practical Salinity, psu)\nSigma_theta (Sea Water Sigma Theta, kilograms per meter cubed (kg/m3))\nNO3_NO2 (Mole Concentration Of Nitrate In Sea Water, microMole (uM))\nNO3_NO2_Stdev (Mole Concentration Of Nitrate In Sea Water, micr)\nNO2 (Mole Concentration Of Nitrite In Sea Water, microMole (uM))\nNO2_Stdev (Mole Concentration Of Nitrite In Sea Water, microMole (uM))\nPO43 (microMole (uM))\nPO43_Stdev (microMole (uM))\nO2 (microMole (uM))\n... (5 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_811839_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_811839/index.htmlTable https://www.bco-dmo.org/dataset/811839 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_811839.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_811839&showErrors=false&email= BCO-DMO bcodmo_dataset_811839
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_753624.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_753624 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_753624.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_753624/ public Nutrient concentrations and microbial counts from Niskin bottle collections on R/V Atlantic Explorer A1620 in the Bermuda Atlantic Time-series Study site from Sept 2016 Nutrient concentrations and microbial counts from Niskin bottle collections on R/V Atlantic Explorer A1620 in the Bermuda Atlantic Time-series Study site from Sept 2016.\n\ncdm_data_type = Other\nVARIABLES:\nsample_id (unitless)\nCruise (unitless)\nCast (unitless)\nNiskin (unitless)\ndate (unitless)\ndate_decyr (unitless)\ntime_UTC (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndepth (m)\nTemp (Temperature, degrees celsius)\nCTD_S (pratical salinity units (PSU))\nPressure (decibars)\nSigma_theta (Sea Water Sigma Theta, kilogram/meter^3)\nConductivity (Sea Water Electrical Conductivity, Siemens per meter)\nFluor (milligram per Liter)\nPar (Downwelling Photosynthetic Photon Radiance In Sea Water, micro-Einsteins/meter^2/second (uE/m^2/sec))\nO2 (millimole per kilogram)\nbeam_trans_CStarTr0 (Beam Trans CStar Tr0, unitless)\nNO3_NO2 (Mole Concentration Of Nitrate In Sea Water, millimole per Liter)\nNO3_NO2_QF (Mole Concentration Of Nitrate In Sea Water, unitless)\nPO4 (Mass Concentration Of Phosphate In Sea Water, millimole per Liter)\nPO4_QF (Mass Concentration Of Phosphate In Sea Water, unitless)\nPOC_mg_L (milligram per Liter)\nPOC_mmol_L (millimole per Liter)\nPOC_QF (unitless)\n... (11 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_753624_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_753624/index.htmlTable https://www.bco-dmo.org/dataset/753624 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_753624.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_753624&showErrors=false&email= BCO-DMO bcodmo_dataset_753624
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_753679.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_753679 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_753679.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_753679/ public Nutrient concentrations and microbial counts from Niskin bottle collections on R/V Atlantic Explorer A1703 in the Bermuda Atlantic Time-series Study site from Mar/April 2016 Nutrient concentrations and microbial counts from Niskin bottle collections on R/V Atlantic Explorer A1703 in the Bermuda Atlantic Time-series Study site from Mar/April 2016.\n\ncdm_data_type = Other\nVARIABLES:\nsample_id (unitless)\nCruise (unitless)\nCast (unitless)\nNiskin (unitless)\ndate (unitless)\ndate_decyr (unitless)\ntime_UTC (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ndepth (m)\nTemp (Temperature, degrees celsius)\nCTD_S (pratical salinity units (PSU))\nPressure (decibars)\nSigma_theta (Sea Water Sigma Theta, kilogram/meter^3)\nConductivity (Sea Water Electrical Conductivity, Siemens per meter)\nFluor (milligram per Liter)\nPar (Downwelling Photosynthetic Photon Radiance In Sea Water, micro-Einsteins/meter^2/second (uE/m^2/sec))\nO2 (millimole per kilogram)\nbeam_trans_CStarTr0 (Beam Trans CStar Tr0, unitless)\nNO3_NO2 (Mole Concentration Of Nitrate In Sea Water, millimole per Liter)\nNO3_NO2_QF (Mole Concentration Of Nitrate In Sea Water, unitless)\nPO4 (Mass Concentration Of Phosphate In Sea Water, millimole per Liter)\nPO4_QF (Mass Concentration Of Phosphate In Sea Water, unitless)\nNH4 (Mole Concentration Of Ammonium In Sea Water, millimole per liter)\nNH4_QF (Mole Concentration Of Ammonium In Sea Water, unitless)\nPOC_mg_L (milligram per Liter)\n... (13 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_753679_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_753679/index.htmlTable https://www.bco-dmo.org/dataset/753679 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_753679.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_753679&showErrors=false&email= BCO-DMO bcodmo_dataset_753679
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_765868.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_765868 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_765868.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_765868/ public Nutrients and pigments from HPLC analysis for fire ash deposition to coastal ocean study, southern California, December 2017 Nutrients and pigments from HPLC analysis for fire ash deposition to coastal ocean study, southern California, December 2017.\n\ncdm_data_type = Other\nVARIABLES:\nCruise (unitless)\nStation (unitless)\nBottom_Z (meters)\ntime (Time Stamp, seconds since 1970-01-01T00:00:00Z)\nlatitude (degrees_north)\nlongitude (degrees_east)\nCruiseCN (Cruise CN, unitless)\nNiskin (unitless)\nTarget_Z (meters)\nConductivity (Sea Water Electrical Conductivity, S/m)\nBeamAt (Beam At, 1/m)\nBeamT (Beam T, unitless)\nDensity00 (kg m3)\ndepth (Z, m)\nFluorescence (mg m-3)\nOxygen (ml L-1)\nPar (Downwelling Photosynthetic Photon Radiance In Sea Water, umol photons m-2 s-1)\nSalinity (Sea Water Practical Salinity, psu)\nTemperature (degrees C)\nPressure (db)\nNeutral_Density (kg m3)\nSigma_Theta (Sea Water Sigma Theta, kg m3)\nPotential_Temp (degrees C)\nPO4 (Mass Concentration Of Phosphate In Sea Water, umol P L-1)\nPO4_QF (Mass Concentration Of Phosphate In Sea Water, unitless)\nSiO4 (Si O4, umol Si L-1)\n... (36 more variables)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_765868_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_765868/index.htmlTable https://www.bco-dmo.org/dataset/765868 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_765868.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_765868&showErrors=false&email= BCO-DMO bcodmo_dataset_765868
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_716469.subset https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_716469 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_716469.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_716469/ public Processed hydrography data collected using the ship's CTD package during the Metzyme cruise (R/V Kilo Moana KM1128) in the tropical North Pacific in October 2011 Processed hydrography data collected using the ship's CTD package during the Metzyme cruise (R/V Kilo Moana KM1128) in the tropical North Pacific in October 2011.\n\ncdm_data_type = Other\nVARIABLES:\ncruise (unitless)\nStation (unitless)\nlatitude (degrees_north)\nlongitude (degrees_east)\ncast (unitless)\nprDM (PR DM, decibars (db))\ndepth (Dep SM, m)\nt090C (T090 C, degrees Celsius ( C))\nflSP (FL SP, unitless)\nC0mS_cm (C0M S CM, milliSiemens per centimeter (mS/cm))\nsbeox0mM_kg (Sbeox0m M Kg, micromoles per kilogram (umol/Kg))\nupoly0 (unitless)\nt190C (T190 C, degrees Celsius ( C))\nc1mS_cm (C1M S CM, milliSiemens per centimeter (mS/cm))\nxmiss (unitless (percent))\nsal00 (practical salinity units (PSU))\ndensity00 (kilograms per cubic meter (Kg/m^3))\nsigma_theta (Sea Water Sigma Theta, kilograms per cubic meter (Kg/m^3))\nflag (unitless)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_716469_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_716469/index.htmlTable https://www.bco-dmo.org/dataset/716469 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_716469.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_716469&showErrors=false&email= BCO-DMO bcodmo_dataset_716469
https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_733237 https://erddap.bco-dmo.org/erddap/tabledap/bcodmo_dataset_733237.graph https://erddap.bco-dmo.org/erddap/files/bcodmo_dataset_733237/ public Water column nitrate+nitrite d15N measurements from R/V L'Atalante in the southwest Pacific Ocean between New Caledonia and Tahiti from February to March 2015 Constraining the rates and spatial distribution of di-nitrogen (N2) fixation fluxes to the ocean informs our understanding of the environmental sensitivities of N2 fixation as well as the timescale over which the fluxes of nitrogen (N) to and from the ocean may respond to each other. Here we quantify rates of N2 fixation as well as its contribution to export production along a zonal transect in the Western Tropical South Pacific (WTSP) Ocean using N isotope (\\u201cd15N\\u201d) budgets. Comparing measurements of water column nitrate+nitrite d15N with the d15N of sinking particulate N at a western, central, and eastern station, these d15N budgets indicate high, modest, and low rates of N2 fixation at the respective stations. The results also imply that N2 fixation supports exceptionally high, i.e., >50%, of export production at the western and central stations, which are also proximal to the largest iron sources. These geochemically-based rates of N2 fixation are equal to or greater than those previously reported in the tropical North Atlantic, indicating that the WTSP Ocean has the capacity to support globally significant rates of N2 fixation, which may compensate for N removal in the oxygen deficient zones of the eastern tropical Pacific.\n\ncdm_data_type = Other\nVARIABLES:\nDate (unitless)\nlongitude (degrees_east)\nlatitude (degrees_north)\nStation (unitless)\nCast (unitless)\ndepth (m)\nSigma_theta (Sea Water Sigma Theta, kilograms per meter cubed (kg/m3))\nNO3_NO2 (micromole (uM))\nNO3_NO2_d15N (NO3 NO2 D15 N, per mil)\nNO3_NO2_d15N_1_SD (NO3 NO2 D15 N 1 SD, per mil)\n https://erddap.bco-dmo.org/erddap/metadata/iso19115/xml/bcodmo_dataset_733237_iso19115.xml https://erddap.bco-dmo.org/erddap/info/bcodmo_dataset_733237/index.htmlTable https://www.bco-dmo.org/dataset/733237 (external link) https://erddap.bco-dmo.org/erddap/rss/bcodmo_dataset_733237.rss https://erddap.bco-dmo.org/erddap/subscriptions/add.html?datasetID=bcodmo_dataset_733237&showErrors=false&email= BCO-DMO bcodmo_dataset_733237

 
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