Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1175/JAS-D-16-0312.1 |
The Physics of Orographic Elevated Heating in Radiative-Convective Equilibrium | |
Hu, Shineng1; Boos, William R.2,3 | |
2017-09-01 | |
发表期刊 | JOURNAL OF THE ATMOSPHERIC SCIENCES |
ISSN | 0022-4928 |
EISSN | 1520-0469 |
出版年 | 2017 |
卷号 | 74期号:9 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Elevated heating of the atmosphere by large plateaus has been argued to influence regional climate in Asia and other regions, but the mechanisms that cause the troposphere to equilibrate at warmer temperatures over elevated terrain are not well understood. This paper quantitatively describes the physics that controls temperatures over elevated terrain in radiative-convective equilibrium (RCE). First, a cloud-system-resolving model (CSRM) is used to simulate RCE states over surfaces with various elevations. Then, a theory for the influence of surface elevation on temperatures in RCE is presented. Together with offline radiative transfer calculations, this theory is used to quantitatively attribute the magnitude of the elevated heating effect to top-of-atmosphere radiative flux changes caused by decreases in longwave absorption, shortwave scattering, and the moist lapse rate that occur as surface pressure drops. Sensitivity functions obtained through these offline calculations suggest that elevated heating is weaker in warmer climates, and additional CSRM simulations support this hypothesis. Under certain circumstances, even the sign of the elevated heating effect can change to produce cooler temperatures at a given pressure level as the surface is lifted in RCE. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000409847100013 |
WOS关键词 | GENERAL-CIRCULATION MODELS ; ASIAN SUMMER MONSOON ; TIBETAN PLATEAU ; HADLEY CIRCULATIONS ; CLIMATE FEEDBACKS ; ATMOSPHERE ; FORMULATION ; ONSET ; WATER ; GCM |
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/29591 |
专题 | 地球科学 |
作者单位 | 1.Yale Univ, Dept Geol & Geophys, New Haven, CT 06520 USA; 2.Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA; 3.Lawrence Berkeley Natl Lab, Climate & Ecosyst Sci Div, Berkeley, CA USA |
推荐引用方式 GB/T 7714 | Hu, Shineng,Boos, William R.. The Physics of Orographic Elevated Heating in Radiative-Convective Equilibrium[J]. JOURNAL OF THE ATMOSPHERIC SCIENCES,2017,74(9). |
APA | Hu, Shineng,&Boos, William R..(2017).The Physics of Orographic Elevated Heating in Radiative-Convective Equilibrium.JOURNAL OF THE ATMOSPHERIC SCIENCES,74(9). |
MLA | Hu, Shineng,et al."The Physics of Orographic Elevated Heating in Radiative-Convective Equilibrium".JOURNAL OF THE ATMOSPHERIC SCIENCES 74.9(2017). |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论