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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Bibliographic Details
Main Authors: Lehmann, Nadine, Reed, Daniel C, Buchwald, Carolyn, Lavoie, Diane, Yeats, Philip A, Mei, Zhi-Ping, Wang, Zeliang, Johnson, Catherine
Format: Dataset
Language:English
Published: PANGAEA 2024
Subjects:
CTD
hydrography
Northwest Atlantic
Scotian Shelf
Cruise/expedition
Name
Data ID
DATE/TIME
LATITUDE
LONGITUDE
DEPTH, water
Location
Salinity
Temperature, water
Data source
Uniform resource locator/link to source data file
Compilation
Canada
Online Access:https://dx.doi.org/10.1594/pangaea.963967
https://doi.pangaea.de/10.1594/PANGAEA.963967
Description
Summary: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 ...

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