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DOI | 10.1175/JAS-D-16-0303.1 |
Closed-Form Analytic Solution of Cloud Dissipation for a Mixed-Layer Model | |
Akyurek, Bengu Ozge; Kleissl, Jan | |
2017-08-01 | |
发表期刊 | JOURNAL OF THE ATMOSPHERIC SCIENCES
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ISSN | 0022-4928 |
EISSN | 1520-0469 |
出版年 | 2017 |
卷号 | 74期号:8 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Stratocumulus clouds play an important role in climate cooling and are hard to predict using global climate and weather forecast models. Thus, previous studies in the literature use observations and numerical simulation tools, such as large-eddy simulation (LES), to solve the governing equations for the evolution of stratocumulus clouds. In contrast to the previous works, this work provides an analytic closed-form solution to the cloud thickness evolution of stratocumulus clouds in a mixed-layer model framework. With a focus on application over coastal lands, the diurnal cycle of cloud thickness and whether or not clouds dissipate are of particular interest. An analytic solution enables the sensitivity analysis of implicitly interdependent variables and extrema analysis of cloud variables that are hard to achieve using numerical solutions. In this work, the sensitivity of inversion height, cloud-base height, and cloud thickness with respect to initial and boundary conditions, such as Bowen ratio, subsidence, surface temperature, and initial inversion height, are studied. A critical initial cloud thickness value that can be dissipated pre- and postsunrise is provided. Furthermore, an extrema analysis is provided to obtain the minima and maxima of the inversion height and cloud thickness within 24 h. The proposed solution is validated against LES results under the same initial and boundary conditions. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000409133100007 |
WOS关键词 | SOUTHEAST PACIFIC STRATOCUMULUS ; BOUNDARY-LAYER ; CONTINENTAL STRATOCUMULUS ; DIURNAL CYCLE ; TURBULENCE ; ENTRAINMENT ; RADIATION ; OCEAN ; LAND ; FOG |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
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/29409 |
专题 | 地球科学 |
作者单位 | Univ Calif San Diego, Mech & Aerosp Engn, La Jolla, CA 92093 USA |
推荐引用方式 GB/T 7714 | Akyurek, Bengu Ozge,Kleissl, Jan. Closed-Form Analytic Solution of Cloud Dissipation for a Mixed-Layer Model[J]. JOURNAL OF THE ATMOSPHERIC SCIENCES,2017,74(8). |
APA | Akyurek, Bengu Ozge,&Kleissl, Jan.(2017).Closed-Form Analytic Solution of Cloud Dissipation for a Mixed-Layer Model.JOURNAL OF THE ATMOSPHERIC SCIENCES,74(8). |
MLA | Akyurek, Bengu Ozge,et al."Closed-Form Analytic Solution of Cloud Dissipation for a Mixed-Layer Model".JOURNAL OF THE ATMOSPHERIC SCIENCES 74.8(2017). |
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