FN Archimer Export Format
PT J
TI Global average of air-sea CO2 transfer velocity from QuikSCAT scatterometer wind speeds
BT 
AF BOUTIN, J.
   QUILFEN, Yves
   MERLIVAT, L.
   PIOLLE, Jean-Francois
AS 1:1;2:2;3:1;4:2;
FF 1:;2:PDG-DOP-DCB-OPS-LOS;3:;4:PDG-DOP-DCB-OPS-LOS;
C1 UPMC, CNRS, UMR7159, Inst Pierre Simon Laplace,Lab Oceanog & Climat, F-75252 Paris, France.
   IFREMER, Lab Oceanog Spatiale, F-29280 Brest, France.
C2 UNIV PARIS 06, FRANCE
   IFREMER, FRANCE
SI BREST
SE PDG-DOP-DCB-OPS-LOS
IN WOS Ifremer jusqu'en 2018
   copubli-france
   copubli-univ-france
IF 3.082
TC 11
UR https://archimer.ifremer.fr/doc/2009/publication-6394.pdf
LA English
DT Article
DE ;CO2 transfer velocity;QuikSCAT;CARIOCA
AB The absolute calibration of the relationship between air-sea CO2 transfer velocity, k, and wind speed, U, has been a topic of debate for some time, because k global average, < k >, as deduced from Geochemical Ocean Sections Study oceanic C-14 inventory has differed from that deduced from experimental k-U relationships. Recently, new oceanic C-14 inventories and inversions have lead to a lower < k >. In addition, new measurements performed at sea in high-wind speed conditions have led to new k-U relationship. Meanwhile, quality and sampling of satellite wind speeds has greatly improved. The QuikSCAT scatterometer has provided high-quality wind speeds for more than 7 years. This allows us to estimate the global distributions of k computed using k-U relationships and temperature-dependent Schmidt numbers from 1999 to 2006. Given the difficulty of measuring in situ wind speed very accurately, we performed a sensitivity study of the < k > uncertainty which results from QuikSCAT U uncertainties. New QuikSCAT-buoy U comparisons in the northern Atlantic Ocean and in the Southern Ocean confirm the excellent precision of QuikSCAT U (RMS difference of about 1 m s(-1)), but it is possible that QuikSCAT overestimates wind speeds by 5%, leading to a possible overestimation of k derived with quadratic relationships by 10%. The < k > values obtained with two recent experimental k-U relationships are very close, between 15.9 and 17.9 cm h(-1), and within the error bar of k average deduced from the new oceanic C-14 inventory.
PY 2009
PD APR
SO Journal of Geophysical Research ( JGR ) - Oceans
SN 0148-0227
PU American Geophysical Union
VL 114
IS C04007
UT 000265537100001
BP 1
EP 14
DI 10.1029/2007JC004168
ID 6394
ER

EF