Variations of suspended particulate matter concentrations of the Mackenzie River plume (Beaufort Sea, Arctic Ocean) over the last two decades - Sorbonne Université Access content directly
Journal Articles Marine Pollution Bulletin Year : 2023

Variations of suspended particulate matter concentrations of the Mackenzie River plume (Beaufort Sea, Arctic Ocean) over the last two decades

Abstract

This work addresses the last 20 years' evolution of the suspended particulate matter (SPM) concentrations in the Beaufort Sea (Canadian Arctic Ocean) directly influenced by the Mackenzie River discharge. The SPM variations in the coastal zone are highlighted and related to the freshwater and solid discharges of the river measured in situ at the Arctic Red River station (150 km upstream of the river delta). The correlation between the variations of the river discharge and SPM concentration within the surface layer of the coastal waters is obvious. Rather unexpectedly, both have been slightly but significantly decreasing from 2003 to 2018-2019 and started to increase very recently (2019-2022). This change of regime could be explained by changing patterns of precipitation (especially in winter), groundwater distribution and wind_induced mixing in the coastal area.
Fichier principal
Vignette du fichier
MPB-D-23-01850_R1-1.pdf (4.78 Mo) Télécharger le fichier
Origin : Publication funded by an institution
Licence : CC BY - Attribution

Dates and versions

hal-04249683 , version 1 (19-10-2023)

Identifiers

Cite

Anastasia Tarasenko, David Doxaran, Bernard Gentili. Variations of suspended particulate matter concentrations of the Mackenzie River plume (Beaufort Sea, Arctic Ocean) over the last two decades. Marine Pollution Bulletin, 2023, 196, pp.115619. ⟨10.1016/j.marpolbul.2023.115619⟩. ⟨hal-04249683⟩
9 View
5 Download

Altmetric

Share

Gmail Facebook X LinkedIn More