Parabolic dependence of the drag coefficient on wind speed from aircraft eddy-covariance measurements over the tropical Eastern Pacific

In this study, we examine and present the relationship between drag coefficient and wind speed. We used an observational dataset that consists of 806 estimates of the mean flow and fluxes from aircraft eddy-covariance measurements over the tropical Eastern Pacific. To estimate the saturated wind spe...

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Bibliographic Details
Published in:Scientific reports 2020-02, Vol.10 (1), p.1805-1805, Article 1805
Main Authors: Gao, Zhiqiu, Peng, Wenwu, Gao, Chloe Y., Li, Yubin
Format: Article
Language:English
Subjects:
704/106/35/823
704/829/2737
Aircraft
Cyclones
Humanities and Social Sciences
multidisciplinary
Science
Science (multidisciplinary)
Wind
Wind speed
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Summary:In this study, we examine and present the relationship between drag coefficient and wind speed. We used an observational dataset that consists of 806 estimates of the mean flow and fluxes from aircraft eddy-covariance measurements over the tropical Eastern Pacific. To estimate the saturated wind speed threshold, we regressed the drag coefficients for wind speed scope from 10 ms −1 to 28 ms −1 . Results show that the relationship between drag coefficient and wind speed is parabolic. Additionally, the saturated wind speed threshold is 22.33 ms −1 when regressed from drag coefficient, and it is 22.65 ms −1 when regressed from the medium number of drag coefficient for each bin.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-020-58699-9