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DOI | 10.1002/2016GL072256 |
Multiple mechanisms generate a universal scaling with dissipation for the air-water gas transfer velocity | |
Katul, Gabriel1,2; Liu, Heping3 | |
2017-02-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:4 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | A large corpus of field and laboratory experiments support the finding that the water side transfer velocity k(L) of sparingly soluble gases near air-water interfaces scales as k(L) similar to (nu epsilon)(1/4), where nu is the kinematic water viscosity and epsilon is the mean turbulent kinetic energy dissipation rate. Originally predicted from surface renewal theory, this scaling appears to hold for marine and coastal systems and across many environmental conditions. It is shown that multiple approaches to representing the effects of turbulence on k(L) lead to this expression when the Kolmogorov microscale is assumed to be the most efficient transporting eddy near the interface. The approaches considered range from simplified surface renewal schemes with distinct models for renewal durations, scaling and dimensional considerations, and a new structure function approach derived using analogies between scalar and momentum transfer. The work offers a new perspective as to why the aforementioned 1/4 scaling is robust. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000396411100034 |
WOS关键词 | MASS-TRANSFER ; EXCHANGE ; SURFACE ; MODELS ; HEAT |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/26603 |
专题 | 气候变化 |
作者单位 | 1.Duke Univ, Nicholas Sch Environm, Durham, NC 27708 USA; 2.Duke Univ, Dept Civil & Environm Engn, Durham, NC 27708 USA; 3.Washington State Univ, Dept Civil & Environm Engn, Pullman, WA 99164 USA |
推荐引用方式 GB/T 7714 | Katul, Gabriel,Liu, Heping. Multiple mechanisms generate a universal scaling with dissipation for the air-water gas transfer velocity[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(4). |
APA | Katul, Gabriel,&Liu, Heping.(2017).Multiple mechanisms generate a universal scaling with dissipation for the air-water gas transfer velocity.GEOPHYSICAL RESEARCH LETTERS,44(4). |
MLA | Katul, Gabriel,et al."Multiple mechanisms generate a universal scaling with dissipation for the air-water gas transfer velocity".GEOPHYSICAL RESEARCH LETTERS 44.4(2017). |
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