Effect of wind-wave on the air-sea CO<sub>2</sub> flux in the North Pacific

HE Hailun; LI Yi; CHEN Dake

doi:10.3969/j.issn.0253-4193.2013.04.007

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HE Hailun, LI Yi, CHEN Dake. Effect of wind-wave on the air-sea CO2 flux in the North Pacific[J]. Haiyang Xuebao, 2013, 35(4): 52-63. doi: 10.3969/j.issn.0253-4193.2013.04.007

Citation:

HE Hailun, LI Yi, CHEN Dake. Effect of wind-wave on the air-sea CO₂ flux in the North Pacific[J]. Haiyang Xuebao, 2013, 35(4): 52-63. doi: 10.3969/j.issn.0253-4193.2013.04.007

HE Hailun, LI Yi, CHEN Dake. Effect of wind-wave on the air-sea CO2 flux in the North Pacific[J]. Haiyang Xuebao, 2013, 35(4): 52-63. doi: 10.3969/j.issn.0253-4193.2013.04.007

Citation:

HE Hailun, LI Yi, CHEN Dake. Effect of wind-wave on the air-sea CO₂ flux in the North Pacific[J]. Haiyang Xuebao, 2013, 35(4): 52-63. doi: 10.3969/j.issn.0253-4193.2013.04.007

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Effect of wind-wave on the air-sea CO₂ flux in the North Pacific

doi: 10.3969/j.issn.0253-4193.2013.04.007

1.
State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;College of Harbor, Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China
2.
State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;National Marine Environmental Forecasting Center, Beijing 100081, China
3.
State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China

Received Date: 2012-05-28
Rev Recd Date: 2013-05-27

Abstract

Abstract

Gas transfer velocity of CO₂ on the air-sea interface over North Pacific has been constructed using four bulk formulas, and the seasonal variation of gas transfer velocity and CO₂ flux are studied. Compared with wind speed dependent parameterizations, the wave-derived formulas result in different seasonal pattern of transfer velocity and CO₂ flux. In tropical and sub-tropical zone (0°-30°N), the wave-dependent formulas show weaker gas transfer velocity and less air to sea CO₂ flux. In the northern area (30°-50°N), wave-dependent formulas enhance gas transfer velocity and result in larger CO₂ flux from air to sea. Furthermore, climatological monthly mean gas transfer velocity and the CO₂ flux in Kuroshio Extension are calculated. The results reveal that gas transfer velocity and CO₂ flux reach maximum in winter and spring respectively. The differences among four bulk formulas on the mean gas transfer velocity and CO₂ flux in Kuroshio Extrension are not significant, but the wave parameterization causes stronger seasonal variance．
- North Pacific,
- air-sea CO₂ flux,
- gas transfer velocity,
- wind wave

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