What is it about?
The main objectives of this study are to describe the spatial variability of surface pCO2 and sea-air CO2 fluxes throughout the eastern Canadian Arctic, and to provide insight into the many processes driving variability in sea-surface pCO2.
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Why is it important?
Surface waters of northern Baffin Bay and the eastern Canadian Arctic Archipelago represent a modest sink of atmospheric CO2 during the summer of 2013 and 2014. Surface water pCO2 variability is linked to freshwater inputs and surface temperature, primary production plays a more minor role.
Perspectives
The results of this investigation, and future predictions of an ice-free Arctic Ocean in summer, suggest that surface waters within the eastern CAA will display higher summertime surface pCO2 values, and reduced atmospheric CO2 drawdown, than presently observed. Increasing freshwater inputs, along with enhanced stratification of the water column will likely lead to decreased surface primary production and warmer surface waters.
Professor Michel Gosselin
Universite du Quebec a Rimouski
Read the Original
This page is a summary of: Surface Water p
CO2
Variations and Sea-Air CO2
Fluxes During Summer in the Eastern Canadian Arctic, Journal of Geophysical Research Oceans, December 2017, Wiley,
DOI: 10.1002/2017jc013250.
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