Articles | Volume 18, issue 7
https://doi.org/10.5194/essd-18-4771-2026
https://doi.org/10.5194/essd-18-4771-2026
Data description article
 | 
10 Jul 2026
Data description article |  | 10 Jul 2026

Oceanographic dataset of the near-shore water column of the northeastern Gulf of St. Lawrence, Canada, during the ice-free season

Emilie Arseneault, Neha Joshi, Julie Carrière, and Émilie Saulnier-Talbot

Cited articles

Allard, S.: Comprendre l'écosystème hivernal des zones portuaires subarctiques: le microbiome et les diatomées de la baie de Sept-Îles (Québec, Canada), MS thesis, Université Laval, Quebec, Canada, https://hdl.handle.net/20.500.11794/148784 (last access: 5 January 2025), 2024. 
Allard, S., Gosselin, M., and Saulnier-Talbot, É.: Winter diatom assemblage composition to track shrinking seasonal sea ice cover in a coastal subarctic bay (Quebec, Canada), Diatom Res., 1–20, https://doi.org/10.1080/0269249X.2025.2534359, 2025. 
Araújo, C. A. S., Belzile, C., Tremblay, J.-É., and Bélanger, S.: Environmental niches and seasonal succession of phytoplankton assemblages in a subarctic coastal bay: Applications to remote sensing estimates, Front. Mar. Sci., 9, 1001098, https://doi.org/10.3389/fmars.2022.1001098, 2022. 
Arseneault, E. and Saulnier-Talbot, É.: Snapshots of ice-free season dynamics in the near-shore water column of the northern Gulf of St. Lawrence, Canada, V1, Borealis [data set], https://doi.org/10.5683/SP3/ALRWON, 2025a. 
Arseneault, E. and Saulnier-Talbot, É.: Species-environment relationships of coastal diatoms from the Sept-Îles region, Gulf of St. Lawrence (Québec, Canada), J. Phycol., 61, 1681–1698, https://doi.org/10.1111/jpy.70094, 2025b. 
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Short summary
Coastal waters are strongly influenced by climate change and human activities, making regular monitoring essential. We examined how water temperature, salinity, and primary production change during the ice-free season along the Sept-Îles coast (Qc, Canada). We found seasonal variation of the parameters and peaks of primary production at specific depths and months. These results provide a baseline to track future environmental changes.
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