Abstract
We investigate the air-sea momentum flux in the marine atmospheric boundary layer using a tower-based direct measurement method. First, we compare the collected data with previous observations, and the results are roughly consistent. Next, in the low-to-moderate winds, the exchange coefficients (or drag coefficients) deviate between onshore and offshore winds, which exhibits the influence of surface wave on the momentum flux. Furthermore, we use a surface-wave-involved parameterization scheme to explain the dependence of momentum flux on surface wave. The results consolidate the influence of surface wave on momentum flux on the one hand, and validate the surface-wave-involved parameterization scheme on the other hand.
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Foundation item: The National Natural Science Foundation of China under contract Nos 41830533, 41806028 and 41876003; the National Key Research and Development Program of China under contract Nos 2017YFA0604102 and 2016YFC1401404.
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Ye, M., Li, S., Zou, Z. et al. Tower-based observation of air-sea momentum flux: comparisons between onshore and offshore winds. Acta Oceanol. Sin. 39, 61–68 (2020). https://doi.org/10.1007/s13131-020-1626-9
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DOI: https://doi.org/10.1007/s13131-020-1626-9