globalchange  > 气候减缓与适应
DOI: 10.1029/2017JD028071
Scopus记录号: 2-s2.0-85049834810
论文题名:
Bubble-Mediated Gas Transfer and Gas Transfer Suppression of DMS and CO2
作者: Zavarsky A.; Goddijn-Murphy L.; Steinhoff T.; Marandino C.A.
刊名: Journal of Geophysical Research: Atmospheres
ISSN: 2169897X
出版年: 2018
卷: 123, 期:12
起始页码: 6624
结束页码: 6647
语种: 英语
英文关键词: bubble-mediated gas transfer ; CO2 ; DMS ; eddy covariance ; gas exchange ; gas transfer suppression
Scopus关键词: air-sea interaction ; bubble ; carbon dioxide ; data set ; dimethylsulfide ; eddy covariance ; gas transport ; parameterization ; Reynolds number ; surfactant ; wind velocity ; Asia ; Indian Ocean ; Indian Ocean (West)
英文摘要: Direct dimethyl sulfide (DMS) flux measurements using eddy covariance have shown a suppression of gas transfer at medium to high wind speed. However, not all eddy covariance measurements show evidence of this suppression. Processes, such as wave-wind interaction and surfactants, have been postulated to cause this suppression. We measured DMS and carbon dioxide eddy covariance fluxes during the Asian summer monsoon in the western tropical Indian Ocean (July and August 2014). Both fluxes and their respective gas transfer velocities show signs of a gas transfer suppression above 10 m/s. Using a wind-wave interaction, we describe a flow separation process that could be responsible for a suppression of gas transfer. As a result we provide a Reynolds number-based parameterization, which states the likelihood of a gas transfer suppression for this cruise and previously published gas transfer data. Additionally, we compute the difference in the gas transfer velocities of DMS and CO2 to estimate the bubble-mediated gas transfer using a hybrid model with three whitecap parameterizations. ©2018. The Authors.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/113692
Appears in Collections:气候减缓与适应

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作者单位: GEOMAR Helmholtz-Centre for Ocean Research Kiel, Kiel, Germany; Environmental Research Institute, University of the Highlands and Islands, Inverness, United Kingdom

Recommended Citation:
Zavarsky A.,Goddijn-Murphy L.,Steinhoff T.,et al. Bubble-Mediated Gas Transfer and Gas Transfer Suppression of DMS and CO2[J]. Journal of Geophysical Research: Atmospheres,2018-01-01,123(12)
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