dalhousieBiogeochemistryStLawrence eng UTF8 dataset service CIOOS Data Manager Canadian Integrated Ocean Observing System 19999999999 6375 Edzell Castle Circle, 2nd Floor, Steele Ocean Sciences Building Halifax NS B3H 4J1 CA info@cioos.ca pointOfContact 2026-08-17 ISO 19115-2 Geographic Information - Metadata Part 2 Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) 3 column row temporal Gulf of St. Lawrence and Estuary Dataset (GOSLED): A 20-Year Compilation of Quality-Controlled Biogeochemical Observations (2003–2023) | Jeu de données sur le golfe du Saint-Laurent et son estuaire (GOSLED) : Compilation sur 20 ans d'observations biogéochimiques soumises à un contrôle de qualité 2026-08-17 creation erddap.cioos.ca dalhousieBiogeochemistryStLawrence William Nesbitt Dalhousie University https://orcid.org/0000-0002-5217-3267 information web browser Background Information Background information from the source information originator (1) William Nesbitt, (2) Alfonso Mucci, (3) Toste Tanhua, (4) Yves Gelinas, (5) Jean-Éric Tremblay, (6) Gwénaëlle Chaillou, (7) Ludovic Pascal, (8) Caroline Fradette, (9) Lennart Gerke, (10) Samuel Stevens, (11) Mathilde Jutras, (12) Marjolaine Blais, (13) Martine Lizotte, (14) Michel Starr, (15) Douglas Wallace contributor This dataset includes 20 years (2003–2023) of biogeochemical observations collected during 21 dedicated research cruises in the Estuary and Gulf of St. Lawrence as well as its main tributary, the Saguenay Fjord. The dataset contains CTD sensor measurements of pressure, temperature, practical salinity, and dissolved oxygen, as well as discrete oxygen measurements determined by Winkler titration. Additionally, the dataset includes discrete carbonate-system parameters such as dissolved inorganic carbon, total alkalinity, pH (total proton scale), and the fugacity of CO₂, along with macronutrient concentrations (nitrate, nitrite, ammonium, soluble reactive phosphate, and silicate). Organic parameters such as dissolved organic carbon and total nitrogen are included, as are the concentrations of selected biogeochemical gases (e.g., nitrous oxide) and the stable carbon isotopic composition of the DIC and DOC, as well as the δ¹⁸O and δD of H₂O. Measured transient tracers include CFC-12 and SF₆ and a deliberate tracer, CF₃SF₅. Data were compiled from both historical measurements (2003–2020) and recent sampling efforts from the MEOPAR–RQM TReX project (2021–2023) and RQM - Odyssée Saint Laurent program (2018-2023). All data were processed following primary quality control procedures adapted from GLODAP and CODAP-NA standards. Secondary crossover analysis was not possible due to a lack of deep-water sampling. This dataset is a rare, quality-controlled biogeochemical time series for the Gulf and St. Lawrence Estuary and provides a baseline for future research on deoxygenation, acidification, and nutrient cycling in Eastern Canada. William Nesbitt Dalhousie University https://orcid.org/0000-0002-5217-3267 information web browser Background Information Background information from the source information pointOfContact biogeochemistry data product dissolved organic carbon inorganic carbon nitrous oxide nutrients oxygen stable carbon isotopes time-series transient tracers theme Dalhousie University project time latitude longitude sea_water_pressure sea_water_pressure status_flag sea_water_temperature sea_water_temperature status_flag sea_water_practical_salinity sea_water_practical_salinity status_flag mole_concentration_of_dissolved_molecular_oxygen_in_sea_water sea_water_temperature status_flag mole_concentration_of_dissolved_molecular_oxygen_in_sea_water mole_concentration_of_dissolved_molecular_oxygen_in_sea_water status_flag mole_concentration_of_dissolved_molecular_oxygen_in_sea_water apparent_oxygen_utilization mole_concentration_of_dissolved_inorganic_carbon_in_sea_water mole_concentration_of_dissolved_inorganic_carbon_in_sea_water status_flag mole_concentration_of_dissolved_inorganic_carbon_in_sea_water sea_water_alkalinity_per_unit_mass_expressed_as_mole_equivalent sea_water_alkalinity_per_unit_mass_expressed_as_mole_equivalent status_flag mole_concentration_of_dissolved_inorganic_carbon_in_sea_water sea_water_ph_reported_on_total_scale sea_water_ph_reported_on_total_scale status_flag sea_water_ph_reported_on_total_scale sea_water_ph_reported_on_total_scale temperature_of_analysis_of_sea_water fugacity_of_carbon_dioxide_in_sea_water fugacity_of_carbon_dioxide_in_sea_water status_flag fugacity_of_carbon_dioxide_in_sea_water status_flag fugacity_of_carbon_dioxide_in_sea_water status_flag fugacity_of_carbon_dioxide_in_sea_water status_flag mole_concentration_of_silicate_in_sea_water mole_concentration_of_silicate_in_sea_water status_flag mole_concentration_of_phosphate_in_sea_water mole_concentration_of_phosphate_in_sea_water status_flag mole_concentration_of_nitrate_in_sea_water mole_concentration_of_nitrate_in_sea_water status_flag mole_concentration_of_nitrite_in_sea_water mole_concentration_of_nitrite_in_sea_water status_flag mole_concentration_of_ammonium_in_sea_water mole_concentration_of_ammonium_in_sea_water status_flag mole_concentration_of_dissolved_organic_carbon_in_sea_water mole_concentration_of_dissolved_organic_carbon_in_sea_water status_flag moles_of_nitrous_oxide_per_unit_mass_in_sea_water moles_of_nitrous_oxide_per_unit_mass_in_sea_water status_flag isotope_ratio_of_18o_to_16o_in_sea_water_excluding_solutes_and_solids isotope_ratio_of_18o_to_16o_in_sea_water_excluding_solutes_and_solids status_flag isotope_ratio_of_2h_to_1h_in_sea_water_excluding_solutes_and_solids isotope_ratio_of_2h_to_1h_in_sea_water_excluding_solutes_and_solids status_flag mole_concentration_of_cfc12_in_sea_water mole_concentration_of_cfc12_in_sea_water status_flag mole_concentration_of_sulfur_hexafluoride_in_sea_water mole_concentration_of_sulfur_hexafluoride_in_sea_water status_flag quality_flag theme CF Standard Name Table v90 Creative Commons Attribution 4.0 International license CC-BY 4.0 Dalhousie University largerWorkCitation project Unidata Common Data Model Profile largerWorkCitation project eng geoscientificInformation 1 -71.3885 -56.619 44.83517 51.58 seconds 2003-05-08T08:25:00Z 2023-07-11T23:50:00Z Gulf of St. Lawrence and Estuary Dataset (GOSLED): A 20-Year Compilation of Quality-Controlled Biogeochemical Observations (2003–2023) | Jeu de données sur le golfe du Saint-Laurent et son estuaire (GOSLED) : Compilation sur 20 ans d'observations biogéochimiques soumises à un contrôle de qualité 2026-08-17 creation William Nesbitt Dalhousie University https://orcid.org/0000-0002-5217-3267 information web browser Background Information Background information from the source information originator (1) William Nesbitt, (2) Alfonso Mucci, (3) Toste Tanhua, (4) Yves Gelinas, (5) Jean-Éric Tremblay, (6) Gwénaëlle Chaillou, (7) Ludovic Pascal, (8) Caroline Fradette, (9) Lennart Gerke, (10) Samuel Stevens, (11) Mathilde Jutras, (12) Marjolaine Blais, (13) Martine Lizotte, (14) Michel Starr, (15) Douglas Wallace contributor This dataset includes 20 years (2003–2023) of biogeochemical observations collected during 21 dedicated research cruises in the Estuary and Gulf of St. Lawrence as well as its main tributary, the Saguenay Fjord. The dataset contains CTD sensor measurements of pressure, temperature, practical salinity, and dissolved oxygen, as well as discrete oxygen measurements determined by Winkler titration. Additionally, the dataset includes discrete carbonate-system parameters such as dissolved inorganic carbon, total alkalinity, pH (total proton scale), and the fugacity of CO₂, along with macronutrient concentrations (nitrate, nitrite, ammonium, soluble reactive phosphate, and silicate). Organic parameters such as dissolved organic carbon and total nitrogen are included, as are the concentrations of selected biogeochemical gases (e.g., nitrous oxide) and the stable carbon isotopic composition of the DIC and DOC, as well as the δ¹⁸O and δD of H₂O. Measured transient tracers include CFC-12 and SF₆ and a deliberate tracer, CF₃SF₅. Data were compiled from both historical measurements (2003–2020) and recent sampling efforts from the MEOPAR–RQM TReX project (2021–2023) and RQM - Odyssée Saint Laurent program (2018-2023). All data were processed following primary quality control procedures adapted from GLODAP and CODAP-NA standards. Secondary crossover analysis was not possible due to a lack of deep-water sampling. This dataset is a rare, quality-controlled biogeochemical time series for the Gulf and St. Lawrence Estuary and provides a baseline for future research on deoxygenation, acidification, and nutrient cycling in Eastern Canada. ERDDAP tabledap 1 -71.3885 -56.619 44.83517 51.58 seconds 2003-05-08T08:25:00Z 2023-07-11T23:50:00Z tight ERDDAPtabledapDatasetQueryAndAccess https://erddap.cioos.ca/erddap/tabledap/dalhousieBiogeochemistryStLawrence ERDDAP:tabledap ERDDAP-tabledap ERDDAP's tabledap service (a flavor of OPeNDAP) for tabular (sequence) data. Add different extensions (e.g., .html, .graph, .das, .dds) to the base URL for different purposes. download Gulf of St. Lawrence and Estuary Dataset (GOSLED): A 20-Year Compilation of Quality-Controlled Biogeochemical Observations (2003–2023) | Jeu de données sur le golfe du Saint-Laurent et son estuaire (GOSLED) : Compilation sur 20 ans d'observations biogéochimiques soumises à un contrôle de qualité 2026-08-17 creation William Nesbitt Dalhousie University https://orcid.org/0000-0002-5217-3267 information web browser Background Information Background information from the source information originator (1) William Nesbitt, (2) Alfonso Mucci, (3) Toste Tanhua, (4) Yves Gelinas, (5) Jean-Éric Tremblay, (6) Gwénaëlle Chaillou, (7) Ludovic Pascal, (8) Caroline Fradette, (9) Lennart Gerke, (10) Samuel Stevens, (11) Mathilde Jutras, (12) Marjolaine Blais, (13) Martine Lizotte, (14) Michel Starr, (15) Douglas Wallace contributor This dataset includes 20 years (2003–2023) of biogeochemical observations collected during 21 dedicated research cruises in the Estuary and Gulf of St. Lawrence as well as its main tributary, the Saguenay Fjord. The dataset contains CTD sensor measurements of pressure, temperature, practical salinity, and dissolved oxygen, as well as discrete oxygen measurements determined by Winkler titration. Additionally, the dataset includes discrete carbonate-system parameters such as dissolved inorganic carbon, total alkalinity, pH (total proton scale), and the fugacity of CO₂, along with macronutrient concentrations (nitrate, nitrite, ammonium, soluble reactive phosphate, and silicate). Organic parameters such as dissolved organic carbon and total nitrogen are included, as are the concentrations of selected biogeochemical gases (e.g., nitrous oxide) and the stable carbon isotopic composition of the DIC and DOC, as well as the δ¹⁸O and δD of H₂O. Measured transient tracers include CFC-12 and SF₆ and a deliberate tracer, CF₃SF₅. Data were compiled from both historical measurements (2003–2020) and recent sampling efforts from the MEOPAR–RQM TReX project (2021–2023) and RQM - Odyssée Saint Laurent program (2018-2023). All data were processed following primary quality control procedures adapted from GLODAP and CODAP-NA standards. Secondary crossover analysis was not possible due to a lack of deep-water sampling. This dataset is a rare, quality-controlled biogeochemical time series for the Gulf and St. Lawrence Estuary and provides a baseline for future research on deoxygenation, acidification, and nutrient cycling in Eastern Canada. OPeNDAP 1 -71.3885 -56.619 44.83517 51.58 seconds 2003-05-08T08:25:00Z 2023-07-11T23:50:00Z tight OPeNDAPDatasetQueryAndAccess https://erddap.cioos.ca/erddap/tabledap/dalhousieBiogeochemistryStLawrence OPeNDAP:OPeNDAP OPeNDAP An OPeNDAP service for tabular (sequence) data. Add different extensions (e.g., .html, .das, .dds) to the base URL for different purposes. download Gulf of St. Lawrence and Estuary Dataset (GOSLED): A 20-Year Compilation of Quality-Controlled Biogeochemical Observations (2003–2023) | Jeu de données sur le golfe du Saint-Laurent et son estuaire (GOSLED) : Compilation sur 20 ans d'observations biogéochimiques soumises à un contrôle de qualité 2026-08-17 creation William Nesbitt Dalhousie University https://orcid.org/0000-0002-5217-3267 information web browser Background Information Background information from the source information originator (1) William Nesbitt, (2) Alfonso Mucci, (3) Toste Tanhua, (4) Yves Gelinas, (5) Jean-Éric Tremblay, (6) Gwénaëlle Chaillou, (7) Ludovic Pascal, (8) Caroline Fradette, (9) Lennart Gerke, (10) Samuel Stevens, (11) Mathilde Jutras, (12) Marjolaine Blais, (13) Martine Lizotte, (14) Michel Starr, (15) Douglas Wallace contributor This dataset includes 20 years (2003–2023) of biogeochemical observations collected during 21 dedicated research cruises in the Estuary and Gulf of St. Lawrence as well as its main tributary, the Saguenay Fjord. The dataset contains CTD sensor measurements of pressure, temperature, practical salinity, and dissolved oxygen, as well as discrete oxygen measurements determined by Winkler titration. Additionally, the dataset includes discrete carbonate-system parameters such as dissolved inorganic carbon, total alkalinity, pH (total proton scale), and the fugacity of CO₂, along with macronutrient concentrations (nitrate, nitrite, ammonium, soluble reactive phosphate, and silicate). Organic parameters such as dissolved organic carbon and total nitrogen are included, as are the concentrations of selected biogeochemical gases (e.g., nitrous oxide) and the stable carbon isotopic composition of the DIC and DOC, as well as the δ¹⁸O and δD of H₂O. Measured transient tracers include CFC-12 and SF₆ and a deliberate tracer, CF₃SF₅. Data were compiled from both historical measurements (2003–2020) and recent sampling efforts from the MEOPAR–RQM TReX project (2021–2023) and RQM - Odyssée Saint Laurent program (2018-2023). All data were processed following primary quality control procedures adapted from GLODAP and CODAP-NA standards. Secondary crossover analysis was not possible due to a lack of deep-water sampling. This dataset is a rare, quality-controlled biogeochemical time series for the Gulf and St. Lawrence Estuary and provides a baseline for future research on deoxygenation, acidification, and nutrient cycling in Eastern Canada. ERDDAP Subset 1 -71.3885 -56.619 44.83517 51.58 seconds 2003-05-08T08:25:00Z 2023-07-11T23:50:00Z tight ERDDAP_Subset https://erddap.cioos.ca/erddap/tabledap/dalhousieBiogeochemistryStLawrence.subset search Subset Web page to facilitate selecting subsets of the dataset download physicalMeasurement cruiseID uint Cruise identifier profileID uint Station name time double Time year uint Sampling year month uint Month of sampling day uint Day of sampling hour String Hour of sampling minute String Minute of sampling region uint region is_in_laurentian_channel uint Presence in the Laurentian channel is_in_anticosti_channel uint Presence in the Anticosti channel is_in_esquiman_channel uint Presence in the Esquiman channel PRES float Sea pressure PRES_flag uint Sea pressure quality flag TE90 float Temperature (ITS-90) TE90_flag uint Temperature quality flag PSAL float Practical salinity PSAL_flag uint Practical salinity quality flag OXYM float Dissolved oxygen OXYM_flag uint Dissolved oxygen quality flag OXYM_Winkler float Dissolved oxygen by Winkler OXYM_Winkler_flag uint Dissolved oxygen by Winkler quality flag OXYM_best float Most reliable dissolved oxygen OXYM_best_flag uint Most reliable dissolved oxygen quality flag OXYM_utilization float Apparent oxygen utilization DIC float Dissolved inorganic carbon concentration DIC_flag uint Dissolved inorganic carbon concentration quality flag DIC_pHTA float Computed dissolved inorganic carbon concentration total_alkalinity float Total alkalinity total_alkalinity_flag uint Total alkalinity quality flag TALK_pHDIC float Computed total alkalinity pH_total_scale float Total-scale pH pH_total_scale_flag uint Total-scale pH quality flag pH_TADIC float Computed pH pH_insitu_computed float in-situ pH temperature_of_ph_analysis float Sample temperature during laboratory pH analysis fCO2 float CO2 fugacity fCO2_flag uint CO2 fugacity quality flag fCO2_TADIC float Computed fCO2 from TA and DIC fCO2_pHTA float Computed fCO2 from TA and pH fCO2_pHDIC float Computed fCO2 from pH and DIC silicate float Dissolved silicate concentration silicate_flag uint Dissolved silicate concentration quality flag phosphate float Soluble reactive phosphate concentration phosphate_flag uint Soluble reactive phosphate concentration quality flag NTRA float Nitrate concentration NTRA_flag uint Nitrate quality flag nitrite float Nitrite concentration nitrite_flag uint Nitrite Quality Flag ammonium float Ammonium Concentration ammonium_flag uint Ammonium quality flag DOC float Dissolved organic carbon concentration DOC_flag uint DOC quality flag total_nitrogen float Total nitrogen concentration total_nitrogen_flag uint Total nitrogen quality flag nitrous_oxide float Dissolved nitrous oxide concentration. nitrous_oxide_flag uint Nitrous oxide quality flag delta13C_DIC float Carbon-13 isotope composition of dissolved inorganic carbon delta13C_DIC_flag uint delta13C-DIC quality flag delta13C_DOC float Carbon-13 isotope composition of dissolved organic carbon delta13C_DOC_flag uint delta13C-DOC quality flag delta18O float Oxygen-18 isotope composition of water delta18O_flag uint delta18O quality flag deltaD float Deuterium composition of water deltaD_flag uint deltaD quality flag CFC12 float CFC-12 concentration. CFC12_flag uint CFC12 quality flag SF6 float SF6 concentration. SF6_flag uint SF6 quality flag CF3SF5 float CF3SF5 concentration. CF3SF5_flag uint CF3SF5 quality flag CIOOS Data Manager Canadian Integrated Ocean Observing System 19999999999 6375 Edzell Castle Circle, 2nd Floor, Steele Ocean Sciences Building Halifax NS B3H 4J1 CA info@cioos.ca distributor OPeNDAP DAP/2.0 https://erddap.cioos.ca/erddap/tabledap/dalhousieBiogeochemistryStLawrence.html order Data Subset Form ERDDAP's version of the OPeNDAP .html web page for this dataset. Specify a subset of the dataset and download the data via OPeNDAP or in many different file types. download https://erddap.cioos.ca/erddap/tabledap/dalhousieBiogeochemistryStLawrence.graph order Make-A-Graph Form ERDDAP's Make-A-Graph .html web page for this dataset. Create an image with a map or graph of a subset of the data. mapDigital This record was created from dataset metadata by ERDDAP Version 2.28.1