Hydrographic CTD data from 1975-2020 on the Scotian Shelf, Northwest Atlantic
Subsurface nutrients on the Scotian Shelf, an ocean region at the convergence of the subpolar and subtropical western boundary currents (i.e., Labrador Current and Gulf Stream), are chiefly modulated by upstream shelf and slope waters. Yet little is known about long-term fluctuations in the advectiv...
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Format: | Dataset |
Language: | English |
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PANGAEA
2024
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Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.963967 https://doi.org/10.1594/PANGAEA.963967 |
id |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.963967 |
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record_format |
openpolar |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
Compilation Cruise/expedition CTD Data ID Data source DATE/TIME DEPTH water hydrography LATITUDE Location LONGITUDE Name Northwest Atlantic Salinity Scotian Shelf Temperature Uniform resource locator/link to source data file |
spellingShingle |
Compilation Cruise/expedition CTD Data ID Data source DATE/TIME DEPTH water hydrography LATITUDE Location LONGITUDE Name Northwest Atlantic Salinity Scotian Shelf Temperature Uniform resource locator/link to source data file Lehmann, Nadine Reed, Daniel C Buchwald, Carolyn Lavoie, Diane Yeats, Philip A Mei, Zhi-Ping Wang, Zeliang Johnson, Catherine Hydrographic CTD data from 1975-2020 on the Scotian Shelf, Northwest Atlantic |
topic_facet |
Compilation Cruise/expedition CTD Data ID Data source DATE/TIME DEPTH water hydrography LATITUDE Location LONGITUDE Name Northwest Atlantic Salinity Scotian Shelf Temperature Uniform resource locator/link to source data file |
description |
Subsurface nutrients on the Scotian Shelf, an ocean region at the convergence of the subpolar and subtropical western boundary currents (i.e., Labrador Current and Gulf Stream), are chiefly modulated by upstream shelf and slope waters. Yet little is known about long-term fluctuations in the advective transport of nutrients to the shelf. To examine the relationships between subsurface nutrient concentrations and dominant slope water masses at the Scotian Shelf break, we assembled all available hydrographic data (temperature, salinity) and dissolved nutrient data (nitrate, phosphate, silicate) for the period 1975-2020. Hydrographic and nutrient data were extracted from the Fisheries and Oceans Canada (DFO) data archives MEDS (Marine Environmental Data Section Archive; DFO, 2023a) and BioChem (DFO, 2023b; Devine et al., 2014), respectively, and predominantly include data from current DFO programs (e.g., Atlantic Zone Monitoring Program (AZMP)) and legacy datasets. Hydrographic data consist of vertical water column profiles collected using a conductivity-temperature-depth (CTD) profiler, generally mounted to a rosette sampler equipped with Niskin bottles for discrete water and nutrient sampling (Mitchel et al., 2002). Nutrient (nitrate, phosphate, silicate) measurements generally followed well established colorimetric techniques outlined in detail in the AZMP sampling protocol (Mitchell et al., 2002). Only nutrient data that passed initial quality control (i.e., BioChem quality flags of 1 and 0) are included in the datasets provided here (see Devine et al., 2014 for details on quality control (QC) procedures). In addition to hydrographic and nutrient parameters, datasets further include information on designated regions (e.g., WSS: Western Scotian Shelf, CSS: Central Scotian Shelf, ESS: Eastern Scotian Shelf) as defined in Lehmann et al (2023). |
format |
Dataset |
author |
Lehmann, Nadine Reed, Daniel C Buchwald, Carolyn Lavoie, Diane Yeats, Philip A Mei, Zhi-Ping Wang, Zeliang Johnson, Catherine |
author_facet |
Lehmann, Nadine Reed, Daniel C Buchwald, Carolyn Lavoie, Diane Yeats, Philip A Mei, Zhi-Ping Wang, Zeliang Johnson, Catherine |
author_sort |
Lehmann, Nadine |
title |
Hydrographic CTD data from 1975-2020 on the Scotian Shelf, Northwest Atlantic |
title_short |
Hydrographic CTD data from 1975-2020 on the Scotian Shelf, Northwest Atlantic |
title_full |
Hydrographic CTD data from 1975-2020 on the Scotian Shelf, Northwest Atlantic |
title_fullStr |
Hydrographic CTD data from 1975-2020 on the Scotian Shelf, Northwest Atlantic |
title_full_unstemmed |
Hydrographic CTD data from 1975-2020 on the Scotian Shelf, Northwest Atlantic |
title_sort |
hydrographic ctd data from 1975-2020 on the scotian shelf, northwest atlantic |
publisher |
PANGAEA |
publishDate |
2024 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.963967 https://doi.org/10.1594/PANGAEA.963967 |
op_coverage |
MEDIAN LATITUDE: 43.934394 * MEDIAN LONGITUDE: -62.430495 * SOUTH-BOUND LATITUDE: 40.401420 * WEST-BOUND LONGITUDE: -70.276920 * NORTH-BOUND LATITUDE: 47.591440 * EAST-BOUND LONGITUDE: -55.840020 * DATE/TIME START: 1970-02-01T11:00:00 * DATE/TIME END: 2020-10-14T00:00:00 * MINIMUM DEPTH, water: 0.00 m * MAXIMUM DEPTH, water: 1249.66 m |
long_lat |
ENVELOPE(-70.276920,-55.840020,47.591440,40.401420) |
geographic |
Canada |
geographic_facet |
Canada |
genre |
Northwest Atlantic |
genre_facet |
Northwest Atlantic |
op_relation |
Lehmann, Nadine; Reed, Daniel C; Buchwald, Carolyn; Lavoie, Diane; Yeats, Philip A; Mei, Zhi-Ping; Wang, Zeliang; Johnson, Catherine (2024): Hydrographic and nutrient data from 1975-2020 on the Scotian Shelf, Northwest Atlantic. PANGAEA, https://doi.org/10.1594/PANGAEA.963728 Department of Fisheries and Oceans (DFO) Canada (2022): BioChem: database of biological and chemical oceanographic data. Department of Fisheries and Oceans, Canada. http://www.dfo-mpo.gc.ca/science/data-donnees/biochem/index-eng.html. Database accessed on 2022-02-23. http://www.dfo-mpo.gc.ca/science/data-donnees/biochem/index-eng.html Department of Fisheries and Oceans (DFO) Canada (2022): Marine Environmental Data Section Archive, https://meds-sdmm.dfo-mpo.gc.ca, Ecosystem and Oceans Science, Department of Fisheries and Oceans Canada. Data obtained on 2022-02-23. https://meds-sdmm.dfo-mpo.gc.ca Devine, L; Kennedy, M K; St-Pierre, I; Lafleur, C; Ouellet, M; Bond, S (2014): BioChem: The Fisheries and Oceans Canada Database for Biological and Chemical Data. Canadian technical report of fisheries and aquatic sciences1488-5379No. 3073, iv + 40 pp, https://cat.fsl-bsf.scitech.gc.ca/record=b4008162~S1 Lehmann, Nadine; Reed, Daniel C; Buchwald, Carolyn; Lavoie, Diane; Yeats, Philip A; Mei, Zhi-Ping; Wang, Zeliang; Johnson, Catherine (2023): Decadal Variability in Subsurface Nutrient Availability on the Scotian Shelf Reflects Changes in the Northwest Atlantic Ocean. Journal of Geophysical Research: Oceans, 128(11), e2023JC019928, https://doi.org/10.1029/2023JC019928 Mitchell, Michel R; Harrison, Glen; Pauley, Kevin; Gagné, Alain; Maillet, Gary; Strain, Peter (2002): Atlantic Zonal Monitoring Program Sampling Protocol. Canadian Technical Report of Hydrography and Ocean Sciences 223, iv + 23 pp, https://publications.gc.ca/collections/collection_2007/dfo-mpo/Fs97-18-223-2002E.pdf https://doi.pangaea.de/10.1594/PANGAEA.963967 https://doi.org/10.1594/PANGAEA.963967 |
op_rights |
CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1594/PANGAEA.96396710.1594/PANGAEA.96372810.1029/2023JC019928 |
_version_ |
1802648339157614592 |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.963967 2024-06-23T07:55:40+00:00 Hydrographic CTD data from 1975-2020 on the Scotian Shelf, Northwest Atlantic Lehmann, Nadine Reed, Daniel C Buchwald, Carolyn Lavoie, Diane Yeats, Philip A Mei, Zhi-Ping Wang, Zeliang Johnson, Catherine MEDIAN LATITUDE: 43.934394 * MEDIAN LONGITUDE: -62.430495 * SOUTH-BOUND LATITUDE: 40.401420 * WEST-BOUND LONGITUDE: -70.276920 * NORTH-BOUND LATITUDE: 47.591440 * EAST-BOUND LONGITUDE: -55.840020 * DATE/TIME START: 1970-02-01T11:00:00 * DATE/TIME END: 2020-10-14T00:00:00 * MINIMUM DEPTH, water: 0.00 m * MAXIMUM DEPTH, water: 1249.66 m 2024 text/tab-separated-values, 17375611 data points https://doi.pangaea.de/10.1594/PANGAEA.963967 https://doi.org/10.1594/PANGAEA.963967 en eng PANGAEA Lehmann, Nadine; Reed, Daniel C; Buchwald, Carolyn; Lavoie, Diane; Yeats, Philip A; Mei, Zhi-Ping; Wang, Zeliang; Johnson, Catherine (2024): Hydrographic and nutrient data from 1975-2020 on the Scotian Shelf, Northwest Atlantic. PANGAEA, https://doi.org/10.1594/PANGAEA.963728 Department of Fisheries and Oceans (DFO) Canada (2022): BioChem: database of biological and chemical oceanographic data. Department of Fisheries and Oceans, Canada. http://www.dfo-mpo.gc.ca/science/data-donnees/biochem/index-eng.html. Database accessed on 2022-02-23. http://www.dfo-mpo.gc.ca/science/data-donnees/biochem/index-eng.html Department of Fisheries and Oceans (DFO) Canada (2022): Marine Environmental Data Section Archive, https://meds-sdmm.dfo-mpo.gc.ca, Ecosystem and Oceans Science, Department of Fisheries and Oceans Canada. Data obtained on 2022-02-23. https://meds-sdmm.dfo-mpo.gc.ca Devine, L; Kennedy, M K; St-Pierre, I; Lafleur, C; Ouellet, M; Bond, S (2014): BioChem: The Fisheries and Oceans Canada Database for Biological and Chemical Data. Canadian technical report of fisheries and aquatic sciences1488-5379No. 3073, iv + 40 pp, https://cat.fsl-bsf.scitech.gc.ca/record=b4008162~S1 Lehmann, Nadine; Reed, Daniel C; Buchwald, Carolyn; Lavoie, Diane; Yeats, Philip A; Mei, Zhi-Ping; Wang, Zeliang; Johnson, Catherine (2023): Decadal Variability in Subsurface Nutrient Availability on the Scotian Shelf Reflects Changes in the Northwest Atlantic Ocean. Journal of Geophysical Research: Oceans, 128(11), e2023JC019928, https://doi.org/10.1029/2023JC019928 Mitchell, Michel R; Harrison, Glen; Pauley, Kevin; Gagné, Alain; Maillet, Gary; Strain, Peter (2002): Atlantic Zonal Monitoring Program Sampling Protocol. Canadian Technical Report of Hydrography and Ocean Sciences 223, iv + 23 pp, https://publications.gc.ca/collections/collection_2007/dfo-mpo/Fs97-18-223-2002E.pdf https://doi.pangaea.de/10.1594/PANGAEA.963967 https://doi.org/10.1594/PANGAEA.963967 CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess Compilation Cruise/expedition CTD Data ID Data source DATE/TIME DEPTH water hydrography LATITUDE Location LONGITUDE Name Northwest Atlantic Salinity Scotian Shelf Temperature Uniform resource locator/link to source data file Dataset 2024 ftpangaea https://doi.org/10.1594/PANGAEA.96396710.1594/PANGAEA.96372810.1029/2023JC019928 2024-06-12T14:17:12Z Subsurface nutrients on the Scotian Shelf, an ocean region at the convergence of the subpolar and subtropical western boundary currents (i.e., Labrador Current and Gulf Stream), are chiefly modulated by upstream shelf and slope waters. Yet little is known about long-term fluctuations in the advective transport of nutrients to the shelf. To examine the relationships between subsurface nutrient concentrations and dominant slope water masses at the Scotian Shelf break, we assembled all available hydrographic data (temperature, salinity) and dissolved nutrient data (nitrate, phosphate, silicate) for the period 1975-2020. Hydrographic and nutrient data were extracted from the Fisheries and Oceans Canada (DFO) data archives MEDS (Marine Environmental Data Section Archive; DFO, 2023a) and BioChem (DFO, 2023b; Devine et al., 2014), respectively, and predominantly include data from current DFO programs (e.g., Atlantic Zone Monitoring Program (AZMP)) and legacy datasets. Hydrographic data consist of vertical water column profiles collected using a conductivity-temperature-depth (CTD) profiler, generally mounted to a rosette sampler equipped with Niskin bottles for discrete water and nutrient sampling (Mitchel et al., 2002). Nutrient (nitrate, phosphate, silicate) measurements generally followed well established colorimetric techniques outlined in detail in the AZMP sampling protocol (Mitchell et al., 2002). Only nutrient data that passed initial quality control (i.e., BioChem quality flags of 1 and 0) are included in the datasets provided here (see Devine et al., 2014 for details on quality control (QC) procedures). In addition to hydrographic and nutrient parameters, datasets further include information on designated regions (e.g., WSS: Western Scotian Shelf, CSS: Central Scotian Shelf, ESS: Eastern Scotian Shelf) as defined in Lehmann et al (2023). Dataset Northwest Atlantic PANGAEA - Data Publisher for Earth & Environmental Science Canada ENVELOPE(-70.276920,-55.840020,47.591440,40.401420) |