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Direct measurements of CO2 flux in the Greenland Sea

Siv K. Lauvset; Wade R. McGillis; Ludovic Bariteau; C. W. Fairall; Truls Johannessen; Are Olsen; Christopher J. Zappa

Title:
Direct measurements of CO2 flux in the Greenland Sea
Author(s):
Lauvset, Siv K.
McGillis, Wade R.
Bariteau, Ludovic
Fairall, C. W.
Johannessen, Truls
Olsen, Are
Zappa, Christopher J.
Date:
Type:
Articles
Department:
Lamont-Doherty Earth Observatory
Volume:
38
Book/Journal Title:
Geophysical Research Letters
Abstract:
During summer 2006 eddy correlation CO2 fluxes were measured in the Greenland Sea using a novel system set-up with two shrouded LICOR-7500 detectors. One detector was used exclusively to determine, and allow the removal of, the bias on CO2 fluxes due to sensor motion. A recently published correction method for the CO2-H2O cross-correlation was applied to the data set. We show that even with shrouded sensors the data require significant correction due to this cross-correlation. This correction adjusts the average CO2 flux by an order of magnitude from -6.7 x 10⁻² mol m⁻² day⁻¹ to -0.61 x 10⁻² mol m⁻² day⁻¹, making the corrected fluxes comparable to those calculated using established parameterizations for transfer velocity.
Subject(s):
Physical oceanography
Publisher DOI:
http://dx.doi.org/10.1029/2011GL047722
Item views:
144
Metadata:
text | xml

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