{"help":"https://catalogue.cioos.ca/api/3/action/help_show?name=package_show","success":true,"result":{"id":"f1dee878-c35d-4bf6-b0f2-78ccc113f59a","ecv":["inorganic_carbon","nitrous_oxide","nutrients","oxygen","transient_tracers"],"eov":["oxygen","nutrients","inorganicCarbon","transientTracers","nitrousOxide","stableCarbonIsotopes","dissolvedOrganicCarbon"],"url":null,"name":"ca-cioos_d6f3fdfc-788d-48ff-89a7-22299035bd75","tags":[],"type":"dataset","notes":"Ce jeu de données comprend 20 ans (2003-2023) d'observations biogéochimiques recueillies au cours de 21 missions de recherche dédiées dans l'estuaire et le golfe du Saint-Laurent, ainsi que dans son principal affluent, le fjord du Saguenay. Le jeu de données contient des mesures de pression, de température, de salinité pratique et d'oxygène dissous issues des capteurs CTD, ainsi que des mesures discrètes d'oxygène déterminées par titrage Winkler. Par ailleurs, le jeu de données inclut des paramètres discrets du système carbonaté tels que le carbone inorganique dissous, l'alcalinité totale, le pH (échelle totale des protons), et la fugacité du CO₂, en plus des concentrations en macronutriments (nitrates, nitrites, ammonium, phosphates solubles réactifs, et silicate). Les paramètres organiques tels que le carbone organique dissous et l'azote total sont inclus, de même que les concentrations en certains gaz biogéochimiques sélectionnés (ex. protoxyde d'azote), et les compositions en isotopes stables du carbone du DIC et du DOC, ainsi que les δ¹⁸O et δD de l'H₂O. Les mesures de traceurs transitoires incluent le CFC-12, et le SF₆ et un traceur intentionnel : le CF₃SF₅. Les données ont été compilées à partir de mesures historiques (2003-2020) et à partir de récents efforts d'échantillonnage du [projet MEOPAR-RQM *TReX* (2021-2023)](https://meopar.ca/research/trex-project/) et le [programme *Odyssée Saint Laurent* du RQM (2018-2023)](https://www.rqm.quebec/odyssee-saint-laurent/). Toutes les données ont été traitées selon des procédures de contrôle qualité primaires adaptées aux normes GLODAP et CODAP-NA. L'analyse croisée secondaire n'a pas été possible en raison de l'absence d'échantillonnage en eau profonde. Ce jeu de données est une série chronologique biogéochimique rare et soumise à un contrôle de qualité pour le golfe du Saint-Laurent et son estuaire, et fournit une base de référence pour les recherches futures sur la désoxygénation, l'acidification et le cycle des nutriments dans l'est du Canada.\n\nPour plus d'informations sur l'ensemble de données, consultez l'article de description des données publié dans *Earth System Science Data* (ESSD) :\n*[Gulf of St. Lawrence and Estuary Dataset (GOSLED): a 20-year compilation of quality-controlled biogeochemical observations (2003–2023), https://doi.org/10.5194/essd-18-3609-2026](https://doi.org/10.5194/essd-18-3609-2026)*","state":"active","title":"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","author":null,"extras":[{"key":"access_constraints","value":""},{"key":"contact-email","value":"william.nesbitt@dal.ca"},{"key":"encoding","value":"utf8"},{"key":"guid","value":"ca.cioos_d6f3fdfc-788d-48ff-89a7-22299035bd75"},{"key":"h_job_id","value":"4b000124-58ec-4fba-919d-d2ad1bee305b"},{"key":"h_object_id","value":"4df61f9b-6923-465e-b382-289bc89e1bff"},{"key":"h_source_id","value":"61cbaa40-5cef-4ff5-9501-2e8b641bec14"},{"key":"h_source_title","value":"St. Lawrence Global Observatory"},{"key":"h_source_url","value":"https://catalogue.ogsl.ca"},{"key":"harvest_object_id","value":"4df61f9b-6923-465e-b382-289bc89e1bff"},{"key":"harvest_source_id","value":"61cbaa40-5cef-4ff5-9501-2e8b641bec14"},{"key":"harvest_source_organization","value":"{\"id\": \"b9a157db-ac56-4a28-aee9-899a35f463c6\", \"name\": \"slgo\", \"title\": \"Observatoire global du Saint-Laurent\", \"type\": \"organization\", \"description\": \"\", \"image_url\": \"\", \"created\": \"2026-07-31T15:58:21.306495\", \"is_organization\": true, \"approval_status\": \"approved\", \"state\": \"active\", \"description_translated\": {\"en\": \"Created in 2005 by federal and provincial government as well as academic institutions and community organizations, the St. Lawrence Global Observatory (SLGO) makes it possible to maximize the benefits of data collection by integrating multidisciplinary data from multiple partners on a single web portal. Promoting data discovery and re-use, SLGO counts 48 members and is recognized throughout the world.\\r\\n\\r\\nThe content distributed by SLGO spans across all disciplines, themes and areas of interest that data-producing members choose to make accessible. A large amount of scientific and environmental information is already available through SLGO's portal. Furthermore, in order to maximize data availability, SLGO's team develops user-friendly web applications to facilitate data visualization and download in various formats.\\r\\n\\r\\nSLGO is, as such, responsible for the activities of the region of the St. Lawrence of CIOOS. To contribute, we invite you to contact us.\", \"fr\": \"Cr\\u00e9\\u00e9 en 2005 par un regroupement d\\u2019organisations provenant du gouvernement f\\u00e9d\\u00e9ral et provincial, du milieu acad\\u00e9mique et communautaire, l\\u2019Observatoire global du Saint-Laurent permet de maximiser les retomb\\u00e9es de la collecte de donn\\u00e9es par l\\u2019int\\u00e9gration de donn\\u00e9es multidisciplinaires provenant de multiples partenaires sur un portail web unique. Favorisant la d\\u00e9couverte des donn\\u00e9es et leur valorisation, l\\u2019OGSL compte actuellement 48 membres et est reconnu \\u00e0 travers le monde.\\r\\n\\r\\nLe contenu diffus\\u00e9 par l'OGSL couvre l'ensemble des disciplines, th\\u00e8mes et domaines d'int\\u00e9r\\u00eat que les membres producteurs de donn\\u00e9es choisissent de rendre accessibles. Une grande quantit\\u00e9 d'information de nature scientifique et environnementale est d\\u00e9j\\u00e0 disponible sur le portail de l'OGSL. De plus, l'\\u00e9quipe de l'OGSL d\\u00e9veloppe des applications web conviviales pour faciliter la visualisation et le t\\u00e9l\\u00e9chargement des donn\\u00e9es sous diff\\u00e9rents formats afin de maximiser la d\\u00e9mocratisation des donn\\u00e9es.\\r\\n\\r\\nL'OGSL est donc responsable des activit\\u00e9s de la r\\u00e9gion du Saint-Laurent du SIOOC. Pour contribuer, nous vous invitons \\u00e0 nous contacter.\"}, \"display_name\": \"St. Lawrence Global Observatory\", \"external_home_url\": \"https://ogsl.ca\", \"image_display_url\": \"\", \"image_url_translated\": {\"en\": \"https://ogsl.ca/wp_ogsl/logo_partenaires/OGSL_Logo.png\", \"fr\": \"https://ogsl.ca/wp_ogsl/logo_partenaires/OGSL_Logo.png\"}, \"num_followers\": 0, \"title_translated\": {\"en\": \"St. Lawrence Global Observatory\", \"fr\": \"Observatoire global du Saint-Laurent\"}, \"organization-uri\": [{\"authority\": \"\", \"code\": \"\", \"code-space\": \"\", \"version\": \"\"}]}"},{"key":"harvest_source_title","value":"St. Lawrence Global Observatory"},{"key":"legal-constraints-reference-code","value":"CC-BY-4.0"},{"key":"licence","value":""},{"key":"metadata-date","value":"2026-06-04T14:37:08.114Z"},{"key":"metadata_created_source","value":"2025-07-23T14:08:44.024954"},{"key":"metadata_modified_source","value":"2026-06-04T14:45:43.098254"},{"key":"responsible-party","value":"[{\"name\": \"Dalhousie College\", \"roles\": [\"author\", \"distributor\", \"custodian\", \"pointOfContact\", \"owner\"]}]"},{"key":"spatial_harvester","value":"true"},{"key":"uri","value":"https://catalogue.ogsl.ca/dataset/ca-cioos_d6f3fdfc-788d-48ff-89a7-22299035bd75"},{"key":"use-constraints-code","value":"licence"}],"groups":[{"id":"99381467-d34a-4941-a896-bcae83c2a631","name":"resorg_dalhousie-college","type":"resorg","state":"active","title":"Dalhousie College","created":"2026-07-31T16:39:08.265583","image_url":"","description":"","display_name":"Dalhousie College","num_followers":0,"approval_status":"approved","is_organization":false,"title_translated":{"en":"Dalhousie College","fr":"Dalhousie College"},"image_display_url":"","image_url_translated":{},"description_translated":{}},{"id":"90408bc6-b541-4bc1-b30b-2c98883c1cb8","name":"resorg_dalhousie-university","type":"resorg","state":"active","title":"Dalhousie University","created":"2026-07-31T16:11:46.878220","image_url":"","description":"","display_name":"Dalhousie University","num_followers":0,"approval_status":"approved","is_organization":false,"title_translated":{"en":"Dalhousie University","fr":"Dalhousie University"},"image_display_url":"","image_url_translated":{},"description_translated":{}},{"id":"c1399654-231d-454f-a32c-2050fc12e924","name":"resorg_mcgill-university","type":"resorg","state":"active","title":"McGill University","created":"2026-07-31T16:12:15.046753","image_url":"","description":"","display_name":"McGill University","num_followers":0,"approval_status":"approved","is_organization":false,"title_translated":{"en":"McGill University","fr":"McGill University"},"image_display_url":"","image_url_translated":{},"description_translated":{}}],"isopen":true,"private":false,"spatial":{"type":"Polygon","coordinates":[[[-71.32,46.9],[-69.7,48.1],[-72.53,48.58],[-72.05,48.8],[-69.45,48.13],[-69.28,48.51],[-68.18,49.35],[-67.01,49.9],[-66.18,50.25],[-65.17,50.32],[-61.52,50.17],[-59.81,50.27],[-58.18,51.35],[-56.6,51.61],[-56.05,51.87],[-55.7,51.51],[-56.84,51.28],[-56.93,50.8],[-57.96,49.63],[-58.44,48.77],[-59.41,47.83],[-59.08,47.45],[-56.66,47.52],[-53.5,46.31],[-57.38,44.62],[-60.03,46.06],[-60.51,47.05],[-61.81,45.77],[-65.39,48.05],[-64.11,48.74],[-64.51,49.04],[-65.63,49.22],[-67.01,49.04],[-68.33,48.54],[-70.07,47.34],[-71.32,46.9]]]},"citation":{"en":"[{\\\"type\\\": \\\"dataset\\\", \\\"id\\\": \\\"ca.cioos_d6f3fdfc-788d-48ff-89a7-22299035bd75\\\", \\\"author\\\": [{\\\"given\\\": \\\"William\\\", \\\"family\\\": \\\"Nesbitt\\\"}, {\\\"given\\\": \\\"Alfonso\\\", \\\"family\\\": \\\"Mucci\\\"}, {\\\"given\\\": \\\"Toste\\\", \\\"family\\\": \\\"Tanhua\\\"}, {\\\"given\\\": \\\"Yves\\\", \\\"family\\\": \\\"Gelinas\\\"}, {\\\"given\\\": \\\"Jean-\\u00c9ric\\\", \\\"family\\\": \\\"Tremblay\\\"}, {\\\"given\\\": \\\"Gwenaelle\\\", \\\"family\\\": \\\"Chaillou\\\"}, {\\\"given\\\": \\\"Ludovic\\\", \\\"family\\\": \\\"Pascal\\\"}, {\\\"given\\\": \\\"Caroline\\\", \\\"family\\\": \\\"Fradette\\\"}, {\\\"given\\\": \\\"Lennart\\\", \\\"family\\\": \\\"Gerke\\\"}, {\\\"given\\\": \\\"Samuel\\\", \\\"family\\\": \\\"Stevens\\\"}, {\\\"given\\\": \\\"Mathilde\\\", \\\"family\\\": \\\"Jutras\\\"}, {\\\"given\\\": \\\"Marjolaine\\\", \\\"family\\\": \\\"Blais\\\"}, {\\\"given\\\": \\\"Martine\\\", \\\"family\\\": \\\"Lizotte\\\"}, {\\\"given\\\": \\\"Michel\\\", \\\"family\\\": \\\"Starr\\\"}, {\\\"given\\\": \\\"Douglas\\\", \\\"family\\\": \\\"Wallace\\\"}], \\\"issued\\\": [{\\\"date-parts\\\": [\\\"2026\\\", \\\"06\\\", \\\"04\\\"]}], \\\"abstract\\\": \\\"This dataset includes 20 years (2003\\u20132023) 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 CO\\u2082, 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 \\u03b4\\u00b9\\u2078O and \\u03b4D of H\\u2082O. Measured transient tracers include CFC-12 and SF\\u2086 and a deliberate tracer, CF\\u2083SF\\u2085. Data were compiled from both historical measurements (2003\\u20132020) and recent sampling efforts from the [MEOPAR\\u2013RQM *TReX* project (2021\\u20132023)](https://meopar.ca/research/trex-project/) and [RQM - *Odyss\\u00e9e Saint Laurent* program (2018-2023)](https://www.rqm.quebec/odyssee-saint-laurent/). 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.\\n\\nFor more information about the dataset, see the data description article published in Earth System Science Data (ESSD): \\n*[Gulf of St. Lawrence and Estuary Dataset (GOSLED): a 20-year compilation of quality-controlled biogeochemical observations (2003\\u20132023), https://doi.org/10.5194/essd-18-3609-2026](https://doi.org/10.5194/essd-18-3609-2026)*\\\", \\\"edition\\\": \\\"\\\", \\\"edition-date\\\": \\\"\\\", \\\"publisher\\\": \\\"\\\", \\\"title\\\": \\\"Gulf of St. Lawrence and Estuary Dataset (GOSLED): A 20-Year Compilation of Quality-Controlled Biogeochemical Observations (2003\\u20132023)\\\", \\\"DOI\\\": \\\"10.26071/d6f3fdfc-788d-48ff\\\", \\\"language\\\": \\\"en\\\", \\\"URL\\\": \\\"https://catalogue.ogsl.ca/dataset/ca-cioos_d6f3fdfc-788d-48ff-89a7-22299035bd75?local=en\\\"}]","fr":"[{\\\"type\\\": \\\"dataset\\\", \\\"id\\\": \\\"ca.cioos_d6f3fdfc-788d-48ff-89a7-22299035bd75\\\", \\\"author\\\": [{\\\"given\\\": \\\"William\\\", \\\"family\\\": \\\"Nesbitt\\\"}, {\\\"given\\\": \\\"Alfonso\\\", \\\"family\\\": \\\"Mucci\\\"}, {\\\"given\\\": \\\"Toste\\\", \\\"family\\\": \\\"Tanhua\\\"}, {\\\"given\\\": \\\"Yves\\\", \\\"family\\\": \\\"Gelinas\\\"}, {\\\"given\\\": \\\"Jean-\\u00c9ric\\\", \\\"family\\\": \\\"Tremblay\\\"}, {\\\"given\\\": \\\"Gwenaelle\\\", \\\"family\\\": \\\"Chaillou\\\"}, {\\\"given\\\": \\\"Ludovic\\\", \\\"family\\\": \\\"Pascal\\\"}, {\\\"given\\\": \\\"Caroline\\\", \\\"family\\\": \\\"Fradette\\\"}, {\\\"given\\\": \\\"Lennart\\\", \\\"family\\\": \\\"Gerke\\\"}, {\\\"given\\\": \\\"Samuel\\\", \\\"family\\\": \\\"Stevens\\\"}, {\\\"given\\\": \\\"Mathilde\\\", \\\"family\\\": \\\"Jutras\\\"}, {\\\"given\\\": \\\"Marjolaine\\\", \\\"family\\\": \\\"Blais\\\"}, {\\\"given\\\": \\\"Martine\\\", \\\"family\\\": \\\"Lizotte\\\"}, {\\\"given\\\": \\\"Michel\\\", \\\"family\\\": \\\"Starr\\\"}, {\\\"given\\\": \\\"Douglas\\\", \\\"family\\\": \\\"Wallace\\\"}], \\\"issued\\\": [{\\\"date-parts\\\": [\\\"2026\\\", \\\"06\\\", \\\"04\\\"]}], \\\"abstract\\\": \\\"Ce jeu de donn\\u00e9es comprend 20 ans (2003-2023) d'observations biog\\u00e9ochimiques recueillies au cours de 21 missions de recherche d\\u00e9di\\u00e9es dans l'estuaire et le golfe du Saint-Laurent, ainsi que dans son principal affluent, le fjord du Saguenay. Le jeu de donn\\u00e9es contient des mesures de pression, de temp\\u00e9rature, de salinit\\u00e9 pratique et d'oxyg\\u00e8ne dissous issues des capteurs CTD, ainsi que des mesures discr\\u00e8tes d'oxyg\\u00e8ne d\\u00e9termin\\u00e9es par titrage Winkler. Par ailleurs, le jeu de donn\\u00e9es inclut des param\\u00e8tres discrets du syst\\u00e8me carbonat\\u00e9 tels que le carbone inorganique dissous, l'alcalinit\\u00e9 totale, le pH (\\u00e9chelle totale des protons), et la fugacit\\u00e9 du CO\\u2082, en plus des concentrations en macronutriments (nitrates, nitrites, ammonium, phosphates solubles r\\u00e9actifs, et silicate). Les param\\u00e8tres organiques tels que le carbone organique dissous et l'azote total sont inclus, de m\\u00eame que les concentrations en certains gaz biog\\u00e9ochimiques s\\u00e9lectionn\\u00e9s (ex. protoxyde d'azote), et les compositions en isotopes stables du carbone du DIC et du DOC, ainsi que les \\u03b4\\u00b9\\u2078O et \\u03b4D de l'H\\u2082O. Les mesures de traceurs transitoires incluent le CFC-12, et le SF\\u2086 et un traceur intentionnel : le CF\\u2083SF\\u2085. Les donn\\u00e9es ont \\u00e9t\\u00e9 compil\\u00e9es \\u00e0 partir de mesures historiques (2003-2020) et \\u00e0 partir de r\\u00e9cents efforts d'\\u00e9chantillonnage du [projet MEOPAR-RQM *TReX* (2021-2023)](https://meopar.ca/research/trex-project/) et le [programme *Odyss\\u00e9e Saint Laurent* du RQM (2018-2023)](https://www.rqm.quebec/odyssee-saint-laurent/). Toutes les donn\\u00e9es ont \\u00e9t\\u00e9 trait\\u00e9es selon des proc\\u00e9dures de contr\\u00f4le qualit\\u00e9 primaires adapt\\u00e9es aux normes GLODAP et CODAP-NA. L'analyse crois\\u00e9e secondaire n'a pas \\u00e9t\\u00e9 possible en raison de l'absence d'\\u00e9chantillonnage en eau profonde. Ce jeu de donn\\u00e9es est une s\\u00e9rie chronologique biog\\u00e9ochimique rare et soumise \\u00e0 un contr\\u00f4le de qualit\\u00e9 pour le golfe du Saint-Laurent et son estuaire, et fournit une base de r\\u00e9f\\u00e9rence pour les recherches futures sur la d\\u00e9soxyg\\u00e9nation, l'acidification et le cycle des nutriments dans l'est du Canada.\\n\\nPour plus d'informations sur l'ensemble de donn\\u00e9es, consultez l'article de description des donn\\u00e9es publi\\u00e9 dans *Earth System Science Data* (ESSD) :\\n*[Gulf of St. Lawrence and Estuary Dataset (GOSLED): a 20-year compilation of quality-controlled biogeochemical observations (2003\\u20132023), https://doi.org/10.5194/essd-18-3609-2026](https://doi.org/10.5194/essd-18-3609-2026)*\\\", \\\"edition\\\": \\\"\\\", \\\"edition-date\\\": \\\"\\\", \\\"publisher\\\": \\\"\\\", \\\"title\\\": \\\"Jeu de donn\\u00e9es sur le golfe du Saint-Laurent et son estuaire (GOSLED) : Compilation sur 20 ans d' observations biog\\u00e9ochimiques soumises \\u00e0 un contr\\u00f4le de qualit\\u00e9\\\", \\\"DOI\\\": \\\"10.26071/d6f3fdfc-788d-48ff\\\", \\\"language\\\": \\\"fr\\\", \\\"URL\\\": \\\"https://catalogue.ogsl.ca/dataset/ca-cioos_d6f3fdfc-788d-48ff-89a7-22299035bd75?local=fr\\\"}]"},"keywords":{"en":["Oceans","St. Lawrence Estuary","Gulf of St. Lawrence","Saguenay Fjord","Biogeochemistry","Data Product","Time-Series","dissolvedOrganicCarbon","nitrousOxide","oxygen","stableCarbonIsotopes","inorganicCarbon","nutrients","transientTracers","RQM"],"fr":["Estuaire du Saint-Laurent","Golfe du Saint-Laurent","Fjord du Saguenay","Biogeochimie","Produit de données","Série temporelle","Carbone organique dissous","Protoxyde d'azote","Oxygène","Isotopes stables du carbone","Carbone inorganique","Nutriments","Traceurs transitoires"]},"num_tags":0,"progress":"completed","projects":["RQM"],"owner_org":"b9a157db-ac56-4a28-aee9-899a35f463c6","resources":[{"id":"06bea816-02d9-4ef0-a69e-5a8f5e282588","url":"https://erddap.ogsl.ca/erddap/tabledap/dalhousieBiogeochemistryStLawrence.html","hash":"","name":"Produit d'analyse des données sur l'estuaire et le golfe du Saint-Laurent","size":null,"state":"active","format":"ERDDAP","created":"2026-06-04T14:45:43.144883","mimetype":"text/html","position":0,"url_type":null,"cache_url":null,"package_id":"f1dee878-c35d-4bf6-b0f2-78ccc113f59a","description":"Il s'agit d'un ensemble de données biogéochimiques sur 20 ans (2003-2023) provenant de l'estuaire du Saint-Laurent, du golfe du Saint-Laurent et du fjord du Saguenay. Il comprend des mesures de qualité contrôlée de l'oxygène, des paramètres du système carbonaté, des nutriments, du carbone organique, des isotopes stables, de l'oxyde nitreux et des traceurs transitoires provenant de 20 croisières de recherche.","last_modified":null,"resource_type":null,"created_source":"2026-06-04T14:45:43.144883","mimetype_inner":null,"name_translated":{"en":"St. Lawrence Estuary and Gulf Data Analysis Product","fr":"Produit d'analyse des données sur l'estuaire et le golfe du Saint-Laurent"},"datastore_active":false,"metadata_modified":"2026-07-31T16:39:08.442495","cache_last_updated":null,"description_translated":{"en":"This is a 20-year biogeochemical dataset (2003–2023) from the St. Lawrence Estuary, Gulf of St. Lawrence, and Saguenay Fjord. It includes quality-controlled measurements of oxygen, carbonate system parameters, nutrients, organic carbon, stable isotopes, nitrous oxide, and transient tracers from 20 research cruises.","fr":"Il s'agit d'un ensemble de données biogéochimiques sur 20 ans (2003-2023) provenant de l'estuaire du Saint-Laurent, du golfe du Saint-Laurent et du fjord du Saguenay. Il comprend des mesures de qualité contrôlée de l'oxygène, des paramètres du système carbonaté, des nutriments, du carbone organique, des isotopes stables, de l'oxyde nitreux et des traceurs transitoires provenant de 20 croisières de recherche."},"metadata_modified_source":"2026-06-04T14:45:43.107557","resource_locator_function":"","resource_locator_protocol":"WWW:LINK"},{"id":"b8d9cad6-026b-4b16-95fe-9489fdc1c158","url":"https://catalogue.ogsl.ca/data/dalhousie-university/ca-cioos_d6f3fdfc-788d-48ff-89a7-22299035bd75/SLEG-DAP.png","hash":"","name":"Carte des stations d'échantillonnage","size":null,"state":"active","format":"PNG","created":"2026-06-04T14:45:43.144894","mimetype":"image/png","position":1,"url_type":null,"cache_url":null,"package_id":"f1dee878-c35d-4bf6-b0f2-78ccc113f59a","description":"Carte de l'ensemble des stations d'échantillonnage illustrant leur répartition dans l'estuaire et le golfe du Saint Laurent","last_modified":null,"resource_type":null,"created_source":"2026-06-04T14:45:43.144894","mimetype_inner":null,"name_translated":{"en":"Sampling Station Map","fr":"Carte des stations d'échantillonnage"},"datastore_active":false,"metadata_modified":"2026-07-31T16:39:08.443943","cache_last_updated":null,"description_translated":{"en":"Map of all sampling stations illustrating their distribution in the estuary and gulf of St. Lawrence","fr":"Carte de l'ensemble des stations d'échantillonnage illustrant leur répartition dans l'estuaire et le golfe du Saint Laurent"},"metadata_modified_source":"2026-06-04T14:45:43.107841","resource_locator_function":"","resource_locator_protocol":"WWW:LINK"}],"datacentre":[],"license_id":"CC-BY-4.0","maintainer":null,"distributor":[{"role":["distributor"],"individual-name":"Nesbitt, William","organisation-name":"Dalhousie College","contact-info_email":"william.nesbitt@dal.ca","individual-uri_code":"https://orcid.org/0000-0002-5217-3267","organisation-uri_code":"https://ror.org/01e6qks80","individual-uri_version":"","individual-uri_authority":"","organisation-uri_version":"","individual-uri_code-space":"","organisation-uri_authority":"","organisation-uri_code-space":"","contact-info_online-resource":""}],"license_url":"https://creativecommons.org/licenses/by/4.0/","author_email":null,"organization":{"id":"b9a157db-ac56-4a28-aee9-899a35f463c6","name":"slgo","type":"organization","state":"active","title":"Observatoire global du Saint-Laurent","created":"2026-07-31T15:58:21.306495","image_url":"","description":"","display_name":"St. Lawrence Global Observatory","num_followers":0,"approval_status":"approved","is_organization":true,"organization-uri":[{"code":"","version":"","authority":"","code-space":""}],"title_translated":{"en":"St. Lawrence Global Observatory","fr":"Observatoire global du Saint-Laurent"},"external_home_url":"https://ogsl.ca","image_display_url":"","image_url_translated":{"en":"https://ogsl.ca/wp_ogsl/logo_partenaires/OGSL_Logo.png","fr":"https://ogsl.ca/wp_ogsl/logo_partenaires/OGSL_Logo.png"},"description_translated":{"en":"Created in 2005 by federal and provincial government as well as academic institutions and community organizations, the St. Lawrence Global Observatory (SLGO) makes it possible to maximize the benefits of data collection by integrating multidisciplinary data from multiple partners on a single web portal. Promoting data discovery and re-use, SLGO counts 48 members and is recognized throughout the world.\r\n\r\nThe content distributed by SLGO spans across all disciplines, themes and areas of interest that data-producing members choose to make accessible. A large amount of scientific and environmental information is already available through SLGO's portal. Furthermore, in order to maximize data availability, SLGO's team develops user-friendly web applications to facilitate data visualization and download in various formats.\r\n\r\nSLGO is, as such, responsible for the activities of the region of the St. Lawrence of CIOOS. To contribute, we invite you to contact us.","fr":"Créé en 2005 par un regroupement d’organisations provenant du gouvernement fédéral et provincial, du milieu académique et communautaire, l’Observatoire global du Saint-Laurent permet de maximiser les retombées de la collecte de données par l’intégration de données multidisciplinaires provenant de multiples partenaires sur un portail web unique. Favorisant la découverte des données et leur valorisation, l’OGSL compte actuellement 48 membres et est reconnu à travers le monde.\r\n\r\nLe contenu diffusé par l'OGSL couvre l'ensemble des disciplines, thèmes et domaines d'intérêt que les membres producteurs de données choisissent de rendre accessibles. Une grande quantité d'information de nature scientifique et environnementale est déjà disponible sur le portail de l'OGSL. De plus, l'équipe de l'OGSL développe des applications web conviviales pour faciliter la visualisation et le téléchargement des données sous différents formats afin de maximiser la démocratisation des données.\r\n\r\nL'OGSL est donc responsable des activités de la région du Saint-Laurent du SIOOC. Pour contribuer, nous vous invitons à nous contacter."}},"license_title":"Creative Commons Attribution 4.0","num_resources":2,"resource-type":"dataset","bbox-east-long":"-53.5","bbox-north-lat":"44.62","bbox-south-lat":"51.87","bbox-west-long":"-72.53","creator_user_id":"fe6035ee-ed91-4ead-b5b2-4048232a22bb","temporal-extent":[{"end":"2023-07-11","begin":"2003-05-08"}],"vertical-extent":[{"max":"600.0","min":"0.0"}],"aggregation-info":[{"initiative-type":"","association-type":"crossReference","aggregate-dataset-name":{"en":"Gulf of St. Lawrence and Estuary Dataset (GOSLED): a 20-year compilation of quality-controlled biogeochemical observations (2003–2023)","fr":"Gulf of St. Lawrence and Estuary Dataset (GOSLED): a 20-year compilation of quality-controlled biogeochemical observations (2003–2023)"},"aggregate-dataset-identifier_code":"https://doi.org/10.5194/essd-18-3609-2026"}],"maintainer_email":null,"maintenance-note":"Generated from https://cioos-siooc.github.io/metadata-entry-form#/en/stlaurent/h4DDFJmR3mXnICTsZC19DPojQd33/-OPffR7CinV_8W86PidP","metadata_created":"2026-07-31T16:39:08.449060","notes_translated":{"en":"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)](https://meopar.ca/research/trex-project/) and [RQM - *Odyssée Saint Laurent* program (2018-2023)](https://www.rqm.quebec/odyssee-saint-laurent/). 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.\n\nFor more information about the dataset, see the data description article published in Earth System Science Data (ESSD): \n*[Gulf of St. Lawrence and Estuary Dataset (GOSLED): a 20-year compilation of quality-controlled biogeochemical observations (2003–2023), https://doi.org/10.5194/essd-18-3609-2026](https://doi.org/10.5194/essd-18-3609-2026)*","fr":"Ce jeu de données comprend 20 ans (2003-2023) d'observations biogéochimiques recueillies au cours de 21 missions de recherche dédiées dans l'estuaire et le golfe du Saint-Laurent, ainsi que dans son principal affluent, le fjord du Saguenay. Le jeu de données contient des mesures de pression, de température, de salinité pratique et d'oxygène dissous issues des capteurs CTD, ainsi que des mesures discrètes d'oxygène déterminées par titrage Winkler. Par ailleurs, le jeu de données inclut des paramètres discrets du système carbonaté tels que le carbone inorganique dissous, l'alcalinité totale, le pH (échelle totale des protons), et la fugacité du CO₂, en plus des concentrations en macronutriments (nitrates, nitrites, ammonium, phosphates solubles réactifs, et silicate). Les paramètres organiques tels que le carbone organique dissous et l'azote total sont inclus, de même que les concentrations en certains gaz biogéochimiques sélectionnés (ex. protoxyde d'azote), et les compositions en isotopes stables du carbone du DIC et du DOC, ainsi que les δ¹⁸O et δD de l'H₂O. Les mesures de traceurs transitoires incluent le CFC-12, et le SF₆ et un traceur intentionnel : le CF₃SF₅. Les données ont été compilées à partir de mesures historiques (2003-2020) et à partir de récents efforts d'échantillonnage du [projet MEOPAR-RQM *TReX* (2021-2023)](https://meopar.ca/research/trex-project/) et le [programme *Odyssée Saint Laurent* du RQM (2018-2023)](https://www.rqm.quebec/odyssee-saint-laurent/). Toutes les données ont été traitées selon des procédures de contrôle qualité primaires adaptées aux normes GLODAP et CODAP-NA. L'analyse croisée secondaire n'a pas été possible en raison de l'absence d'échantillonnage en eau profonde. Ce jeu de données est une série chronologique biogéochimique rare et soumise à un contrôle de qualité pour le golfe du Saint-Laurent et son estuaire, et fournit une base de référence pour les recherches futures sur la désoxygénation, l'acidification et le cycle des nutriments dans l'est du Canada.\n\nPour plus d'informations sur l'ensemble de données, consultez l'article de description des données publié dans *Earth System Science Data* (ESSD) :\n*[Gulf of St. Lawrence and Estuary Dataset (GOSLED): a 20-year compilation of quality-controlled biogeochemical observations (2003–2023), https://doi.org/10.5194/essd-18-3609-2026](https://doi.org/10.5194/essd-18-3609-2026)*"},"title_translated":{"en":"Gulf of St. Lawrence and Estuary Dataset (GOSLED): A 20-Year Compilation of Quality-Controlled Biogeochemical Observations (2003–2023)","fr":"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 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\n \n \n \n \n \n \n \n \n \n \n \n Dalhousie College\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Nesbitt, William\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n william.nesbitt@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0002-5217-3267\n \n \n \n \n PhD Student\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Dalhousie College\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Nesbitt, William\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n william.nesbitt@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0002-5217-3267\n \n \n \n \n PhD Student\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Dalhousie College\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Nesbitt, William\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n william.nesbitt@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0002-5217-3267\n \n \n \n \n PhD Student\n \n \n \n \n \n \n \n \n \n \n 2026-06-04T14:37:08.114Z\n \n \n revision\n \n \n \n \n \n \n 2025-06-30\n \n \n publication\n \n \n \n \n \n \n ISO 19115-1 Geographic information - Metadata\n \n \n First Edition 2014-04-01\n \n \n \n \n \n \n ISO 19115-2 Geographic information - Metadata\n \n \n Second Edition 2019-01\n \n \n \n \n \n \n ISO 19115-1 Geographic Information - Metadata Amendment 1\n \n \n 2018-02\n \n \n \n \n \n \n Canadian Integrated Ocean Observing System Metadata Profile of ISO 19115\n \n \n \n \n 2019-11-06\n \n \n publication\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Gulf of St. Lawrence and Estuary Dataset (GOSLED): A 20-Year Compilation of Quality-Controlled Biogeochemical Observations (2003–2023)\n \n \n 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\n \n \n \n \n \n \n 2003-05-08\n \n \n creation\n \n \n \n \n \n \n https://doi.org/10.26071/d6f3fdfc-788d-48ff\n \n \n \n \n \n \n \n \n \n \n \n Dalhousie College\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Nesbitt, William\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n william.nesbitt@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0002-5217-3267\n \n \n \n \n PhD Student\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Dalhousie College\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Nesbitt, William\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n william.nesbitt@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0002-5217-3267\n \n \n \n \n PhD Student\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Dalhousie College\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Nesbitt, William\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n william.nesbitt@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0002-5217-3267\n \n \n \n \n PhD Student\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Dalhousie College\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Nesbitt, William\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n william.nesbitt@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0002-5217-3267\n \n \n \n \n PhD Student\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Dalhousie College\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Nesbitt, William\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n william.nesbitt@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0002-5217-3267\n \n \n \n \n PhD Student\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n McGill University\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Montreal\n \n \n Canada\n \n \n \n \n \n \n https://www.mcgill.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01pxwe438\n \n \n \n \n \n \n Mucci, Alfonso\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n alfonso.mucci@mcgill.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0001-9155-6319\n \n \n \n \n Emeritus Professor\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n McGill University\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Montreal\n \n \n Canada\n \n \n \n \n \n \n https://www.mcgill.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01pxwe438\n \n \n \n \n \n \n Mucci, Alfonso\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n alfonso.mucci@mcgill.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0001-9155-6319\n \n \n \n \n Emeritus Professor\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n McGill University\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Montreal\n \n \n Canada\n \n \n \n \n \n \n https://www.mcgill.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01pxwe438\n \n \n \n \n \n \n Mucci, Alfonso\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n alfonso.mucci@mcgill.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0001-9155-6319\n \n \n \n \n Emeritus Professor\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n McGill University\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Montreal\n \n \n Canada\n \n \n \n \n \n \n https://www.mcgill.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01pxwe438\n \n \n \n \n \n \n Mucci, Alfonso\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n alfonso.mucci@mcgill.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0001-9155-6319\n \n \n \n \n Emeritus Professor\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n GEOMAR Helmholtz Centre for Ocean Research Kiel\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Kiel\n \n \n Germany\n \n \n \n \n \n \n https://www.geomar.de\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/02h2x0161\n \n \n \n \n \n \n Tanhua, Toste\n \n \n \n \n \n \n \n https://orcid.org/0000-0002-0313-2557\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Concordia University\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Montreal\n \n \n Canada\n \n \n \n \n \n \n https://www.concordia.ca/\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/0420zvk78\n \n \n \n \n \n \n Gelinas, Yves\n \n \n \n \n \n \n \n https://orcid.org/0000-0001-5751-8378\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Concordia University\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Montreal\n \n \n Canada\n \n \n \n \n \n \n https://www.concordia.ca/\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/0420zvk78\n \n \n \n \n \n \n Gelinas, Yves\n \n \n \n \n \n \n \n https://orcid.org/0000-0001-5751-8378\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Université Laval\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Québec\n \n \n Canada\n \n \n \n \n \n \n https://www.ulaval.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/04sjchr03\n \n \n \n \n \n \n Tremblay, Jean-Éric\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Université Laval\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Québec\n \n \n Canada\n \n \n \n \n \n \n https://www.ulaval.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/04sjchr03\n \n \n \n \n \n \n Tremblay, Jean-Éric\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Institut des sciences de la mer\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Rimouski\n \n \n Canada\n \n \n \n \n \n \n https://www.uqar.ca/institut-des-sciences-de-la-mer-ismer/\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/05wn3mp32\n \n \n \n \n \n \n Chaillou, Gwenaelle\n \n \n \n \n \n \n \n https://orcid.org/0000-0002-4170-8852\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Institut des sciences de la mer\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Rimouski\n \n \n Canada\n \n \n \n \n \n \n https://www.uqar.ca/institut-des-sciences-de-la-mer-ismer/\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/05wn3mp32\n \n \n \n \n \n \n Chaillou, Gwenaelle\n \n \n \n \n \n \n \n https://orcid.org/0000-0002-4170-8852\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Institut des sciences de la mer\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Rimouski\n \n \n Canada\n \n \n \n \n \n \n https://www.uqar.ca/institut-des-sciences-de-la-mer-ismer/\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/05wn3mp32\n \n \n \n \n \n \n Pascal, Ludovic\n \n \n \n \n \n \n \n https://orcid.org/0000-0002-9669-3336\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n NOAA Pacific Marine Environmental Laboratory\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Seattle\n \n \n United States\n \n \n \n \n \n \n http://www.pmel.noaa.gov/\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/03crn0n59\n \n \n \n \n \n \n Fradette, Caroline\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n University of Hawaiʻi at Mānoa\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Honolulu\n \n \n United States\n \n \n \n \n \n \n https://manoa.hawaii.edu/\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01wspgy28\n \n \n \n \n \n \n Gerke, Lennart\n \n \n \n \n \n \n \n https://orcid.org/0000-0002-5783-1070\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Hakai Institute\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Campbell River\n \n \n Canada\n \n \n \n \n \n \n https://www.hakai.org/\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/02pry0c91\n \n \n \n \n \n \n Stevens, Samuel\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n sam.stevens@hakai.org\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0003-1108-6578\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Institut des sciences de la mer\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Rimouski\n \n \n Canada\n \n \n \n \n \n \n https://www.uqar.ca/institut-des-sciences-de-la-mer-ismer/\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/05wn3mp32\n \n \n \n \n \n \n Jutras, Mathilde\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n mjutras@hawaii.edu\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0001-5154-5009\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Fisheries and Oceans Canada\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ottawa\n \n \n Canada\n \n \n \n \n \n \n https://www.dfo-mpo.gc.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/02qa1x782\n \n \n \n \n \n \n Blais, Marjolaine\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Fisheries and Oceans Canada\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ottawa\n \n \n Canada\n \n \n \n \n \n \n https://www.dfo-mpo.gc.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/02qa1x782\n \n \n \n \n \n \n Blais, Marjolaine\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Fisheries and Oceans Canada\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ottawa\n \n \n Canada\n \n \n \n \n \n \n https://www.dfo-mpo.gc.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/02qa1x782\n \n \n \n \n \n \n Lizotte, Martine\n \n \n \n \n \n \n \n https://orcid.org/0000-0002-7639-2819\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Fisheries and Oceans Canada\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ottawa\n \n \n Canada\n \n \n \n \n \n \n https://www.dfo-mpo.gc.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/02qa1x782\n \n \n \n \n \n \n Starr, Michel\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Dalhousie University\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Wallace, Douglas\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n douglas.wallace@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0001-7832-3887\n \n \n \n \n Professor\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Dalhousie University\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Wallace, Douglas\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n douglas.wallace@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0001-7832-3887\n \n \n \n \n Professor\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Dalhousie University\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Wallace, Douglas\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n douglas.wallace@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0001-7832-3887\n \n \n \n \n Professor\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Dalhousie University\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Wallace, Douglas\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n douglas.wallace@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0001-7832-3887\n \n \n \n \n Professor\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Dalhousie University\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Wallace, Douglas\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n douglas.wallace@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0001-7832-3887\n \n \n \n \n Professor\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Dalhousie University\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Wallace, Douglas\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n douglas.wallace@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0001-7832-3887\n \n \n \n \n Professor\n \n \n \n \n \n \n \n \n \n \n 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)](https://meopar.ca/research/trex-project/) and [RQM - *Odyssée Saint Laurent* program (2018-2023)](https://www.rqm.quebec/odyssee-saint-laurent/). 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.\n\nFor more information about the dataset, see the data description article published in Earth System Science Data (ESSD): \n*[Gulf of St. Lawrence and Estuary Dataset (GOSLED): a 20-year compilation of quality-controlled biogeochemical observations (2003–2023), https://doi.org/10.5194/essd-18-3609-2026](https://doi.org/10.5194/essd-18-3609-2026)*\n \n \n Ce jeu de données comprend 20 ans (2003-2023) d'observations biogéochimiques recueillies au cours de 21 missions de recherche dédiées dans l'estuaire et le golfe du Saint-Laurent, ainsi que dans son principal affluent, le fjord du Saguenay. Le jeu de données contient des mesures de pression, de température, de salinité pratique et d'oxygène dissous issues des capteurs CTD, ainsi que des mesures discrètes d'oxygène déterminées par titrage Winkler. Par ailleurs, le jeu de données inclut des paramètres discrets du système carbonaté tels que le carbone inorganique dissous, l'alcalinité totale, le pH (échelle totale des protons), et la fugacité du CO₂, en plus des concentrations en macronutriments (nitrates, nitrites, ammonium, phosphates solubles réactifs, et silicate). Les paramètres organiques tels que le carbone organique dissous et l'azote total sont inclus, de même que les concentrations en certains gaz biogéochimiques sélectionnés (ex. protoxyde d'azote), et les compositions en isotopes stables du carbone du DIC et du DOC, ainsi que les δ¹⁸O et δD de l'H₂O. Les mesures de traceurs transitoires incluent le CFC-12, et le SF₆ et un traceur intentionnel : le CF₃SF₅. Les données ont été compilées à partir de mesures historiques (2003-2020) et à partir de récents efforts d'échantillonnage du [projet MEOPAR-RQM *TReX* (2021-2023)](https://meopar.ca/research/trex-project/) et le [programme *Odyssée Saint Laurent* du RQM (2018-2023)](https://www.rqm.quebec/odyssee-saint-laurent/). Toutes les données ont été traitées selon des procédures de contrôle qualité primaires adaptées aux normes GLODAP et CODAP-NA. L'analyse croisée secondaire n'a pas été possible en raison de l'absence d'échantillonnage en eau profonde. Ce jeu de données est une série chronologique biogéochimique rare et soumise à un contrôle de qualité pour le golfe du Saint-Laurent et son estuaire, et fournit une base de référence pour les recherches futures sur la désoxygénation, l'acidification et le cycle des nutriments dans l'est du Canada.\n\nPour plus d'informations sur l'ensemble de données, consultez l'article de description des données publié dans *Earth System Science Data* (ESSD) :\n*[Gulf of St. Lawrence and Estuary Dataset (GOSLED): a 20-year compilation of quality-controlled biogeochemical observations (2003–2023), https://doi.org/10.5194/essd-18-3609-2026](https://doi.org/10.5194/essd-18-3609-2026)*\n \n \n \n \n \n \n \n \n \n \n oceans\n \n \n \n \n \n \n true\n \n \n \n \n \n -71.32,46.90 -69.70,48.10 -72.53,48.58 -72.05,48.80 -69.45,48.13 -69.28,48.51 -68.18,49.35 -67.01,49.90 -66.18,50.25 -65.17,50.32 -61.52,50.17 -59.81,50.27 -58.18,51.35 -56.60,51.61 -56.05,51.87 -55.70,51.51 -56.84,51.28 -56.93,50.80 -57.96,49.63 -58.44,48.77 -59.41,47.83 -59.08,47.45 -56.66,47.52 -53.50,46.31 -57.38,44.62 -60.03,46.06 -60.51,47.05 -61.81,45.77 -65.39,48.05 -64.11,48.74 -64.51,49.04 -65.63,49.22 -67.01,49.04 -68.33,48.54 -70.07,47.34 -71.32,46.90\n \n \n \n \n \n \n \n \n \n \n \n \n \n 0.0\n \n \n 600.0\n \n \n \n \n \n \n 5829\n \n \n EPSG\n \n \n 2012-08-10\n \n \n EPSG::5829 - Instantaneous Water Level height - Height relative to instantaneous water level uncorrected for tide. Not specific to any location or epoch.\n \n \n \n \n vertical\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n 2003-05-08T16:00:00.000Z\n 2023-07-11T15:00:00.000Z\n \n \n \n \n \n \n \n \n \n asNeeded\n \n \n Generated from https://cioos-siooc.github.io/metadata-entry-form#/en/stlaurent/h4DDFJmR3mXnICTsZC19DPojQd33/-OPffR7CinV_8W86PidP\n \n \n \n \n \n \n Oceans\n \n \n \n \n Government of Canada Core Subject Thesaurus\n \n \n \n \n 2016-10-13\n \n \n \n \n \n \n \n N/A\n \n \n \n \n \n \n \n \n St. Lawrence Estuary\n \n \n Gulf of St. Lawrence\n \n \n Saguenay Fjord\n \n \n Biogeochemistry\n \n \n Data Product\n \n \n Time-Series\n \n \n \n \n Estuaire du Saint-Laurent\n \n \n \n \n \n \n Golfe du Saint-Laurent\n \n \n \n \n \n \n Fjord du Saguenay\n \n \n \n \n \n \n Biogeochimie\n \n \n \n \n \n \n Produit de données\n \n \n \n \n \n \n Série temporelle\n \n \n \n \n \n \n default\n \n \n \n \n \n \n \n \n dissolvedOrganicCarbon\n \n \n nitrousOxide\n \n \n oxygen\n \n \n stableCarbonIsotopes\n \n \n inorganicCarbon\n \n \n nutrients\n \n \n transientTracers\n \n \n \n \n Carbone organique dissous\n \n \n \n \n \n \n Protoxyde d'azote\n \n \n \n \n \n \n Oxygène\n \n \n \n \n \n \n Isotopes stables du carbone\n \n \n \n \n \n \n Carbone inorganique\n \n \n \n \n \n \n Nutriments\n \n \n \n \n \n \n Traceurs transitoires\n \n \n \n \n \n \n eov\n \n \n \n \n \n \n \n \n RQM\n \n \n project\n \n \n \n \n \n \n \n \n Creative Commons Attribution 4.0 Attribution\n \n \n \n \n CC-BY-4.0\n \n \n \n \n \n \n https://creativecommons.org/licenses/by/4.0\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Gulf of St. Lawrence and Estuary Dataset (GOSLED): a 20-year compilation of quality-controlled biogeochemical observations (2003–2023)\n \n \n Gulf of St. Lawrence and Estuary Dataset (GOSLED): a 20-year compilation of quality-controlled biogeochemical observations (2003–2023)\n \n \n \n \n \n \n \n \n DOI\n \n \n \n \n https://doi.org/10.5194/essd-18-3609-2026\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Dalhousie College\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Halifax\n \n \n Canada\n \n \n \n \n \n \n https://www.dal.ca\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n https://ror.org/01e6qks80\n \n \n \n \n \n \n Nesbitt, William\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n william.nesbitt@dal.ca\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0002-5217-3267\n \n \n \n \n PhD Student\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n https://erddap.ogsl.ca/erddap/tabledap/dalhousieBiogeochemistryStLawrence.html\n \n \n WWW:LINK\n \n \n St. Lawrence Estuary and Gulf Data Analysis Product\n \n \n Produit d'analyse des données sur l'estuaire et le golfe du Saint-Laurent\n \n \n \n \n This is a 20-year biogeochemical dataset (2003–2023) from the St. Lawrence Estuary, Gulf of St. Lawrence, and Saguenay Fjord. It includes quality-controlled measurements of oxygen, carbonate system parameters, nutrients, organic carbon, stable isotopes, nitrous oxide, and transient tracers from 20 research cruises.\n \n \n Il s'agit d'un ensemble de données biogéochimiques sur 20 ans (2003-2023) provenant de l'estuaire du Saint-Laurent, du golfe du Saint-Laurent et du fjord du Saguenay. Il comprend des mesures de qualité contrôlée de l'oxygène, des paramètres du système carbonaté, des nutriments, du carbone organique, des isotopes stables, de l'oxyde nitreux et des traceurs transitoires provenant de 20 croisières de recherche.\n \n \n \n \n \n \n \n \n \n \n \n \n https://catalogue.ogsl.ca/data/dalhousie-university/ca-cioos_d6f3fdfc-788d-48ff-89a7-22299035bd75/SLEG-DAP.png\n \n \n WWW:LINK\n \n \n Sampling Station Map\n \n \n Carte des stations d'échantillonnage\n \n \n \n \n Map of all sampling stations illustrating their distribution in the estuary and gulf of St. Lawrence\n \n \n Carte de l'ensemble des stations d'échantillonnage illustrant leur répartition dans l'estuaire et le golfe du Saint Laurent\n \n \n \n \n \n \n \n \n \n \n \n \n asNeeded\n \n \n \n","notes_translation_method":{"en":"","fr":""},"relationships_as_subject":[],"title_translation_method":{"en":"","fr":""},"metadata-point-of-contact":[{"role":["author","custodian","distributor","owner","pointOfContact"],"individual-name":"Nesbitt, William","organisation-name":"Dalhousie College","contact-info_email":"william.nesbitt@dal.ca","individual-uri_code":"https://orcid.org/0000-0001-7832-3887","organisation-uri_code":"https://ror.org/01e6qks80","individual-uri_version":"","individual-uri_authority":"","organisation-uri_version":"","individual-uri_code-space":"","organisation-uri_authority":"","organisation-uri_code-space":"","contact-info_online-resource":""}],"included_in_data_catalogue":[{"url":"https://catalogue.juno.cioos.ca","name":{"en":"CIOOS Catalogue","fr":"Catalogue du SIOOC"},"description":""},{"url":"https://catalogue.ogsl.ca","name":"OGSL/SLGO","description":""}],"keywords_translation_method":{"en":""},"unique-resource-identifier-full":[{"code":"https://doi.org/10.26071/d6f3fdfc-788d-48ff","version":"","authority":"","code-space":""}]}}