气候变化领域集成服务门户(CCPortal): Energy Mechanism of Atmospheric Boundary Layer Development Over the Tibetan Plateau

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DOI	10.1029/2022JD037332
	Energy Mechanism of Atmospheric Boundary Layer Development Over the Tibetan Plateau
	Zhao, Cailing; Meng, Xianhong; Zhao, Lin; Guo, Jianping; Li, Yueqing; Liu, Huizhi; Li, Zhaoguo; Han, Bo; Lyu, Shihua
发表日期	2023
ISSN	2169-897X
EISSN	2169-8996
卷号	128 期号:6
英文摘要	The distinct thermodynamic characteristics of the atmospheric boundary layer (ABL) over the Tibetan Plateau (TP) significantly affect regional and global climate. It is well recognized that the ABL depth over the western TP can exceed 4,000 m. However, the energy mechanism of its development is less understood. In this study, the energy mechanism of ABL development of three sites on the TP was analyzed using intensive sounding observation data from the Third Tibetan Plateau Atmospheric Scientific Experiment. The results showed that the surface sensible heat flux, boundary layer entrainment energy, and heat flux at the top of the ABL affected ABL growth. The ABL depths at the Shiquanhe and Gerze stations were relatively higher, with a mean height of approximately 2,500 m above ground level (agl) and a maximum of 4,500 m agl. The ABL grew to its highest height at 20:00 Beijing Time, and its residual layer was also deep. The ABL depths at the Jiulong station were mainly below 1,200 m agl. The accumulated surface sensible heat flux (62.5%) and residual layer entrainment energy (9.7%) significantly affected the ABL development at Shiquanhe station. In addition to the accumulated sensible heat flux and residual layer entrainment energy, the latent heat flux at the top of the boundary layer also significantly impacted the ABL development at Gerze station. The energy required for the ABL growth at Jiulong station was also the smallest, owing to its lowest depth here. The accumulated sensible heat flux played the most crucial role in boundary layer development over the TP. The influences of wind shear on ABL growth cannot be ignored.
关键词	atmospheric boundary layer accumulated surface heat flux entrainment energy Tibetan Plateau
英文关键词	RESIDUAL LAYER; LAND-SURFACE; SENSIBLE HEAT; HEIGHT; ENTRAINMENT; EVOLUTION; MODEL; CLIMATOLOGY; ADVECTION; PERIODS
WOS研究方向	Meteorology & Atmospheric Sciences
WOS记录号	WOS:000949730700001
来源期刊	JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/283849
作者单位	Chinese Academy of Sciences; Chinese Academy of Sciences; University of Chinese Academy of Sciences, CAS; China Meteorological Administration; Southern Marine Science & Engineering Guangdong Laboratory; Southern Marine Science & Engineering Guangdong Laboratory (Zhuhai); China Meteorological Administration; Chinese Academy of Meteorological Sciences (CAMS); China Meteorological Administration; Chinese Academy of Sciences; Institute of Atmospheric Physics, CAS; Chengdu University of Information Technology
推荐引用方式 GB/T 7714	Zhao, Cailing,Meng, Xianhong,Zhao, Lin,et al. Energy Mechanism of Atmospheric Boundary Layer Development Over the Tibetan Plateau[J],2023,128(6).
APA	Zhao, Cailing.,Meng, Xianhong.,Zhao, Lin.,Guo, Jianping.,Li, Yueqing.,...&Lyu, Shihua.(2023).Energy Mechanism of Atmospheric Boundary Layer Development Over the Tibetan Plateau.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,128(6).
MLA	Zhao, Cailing,et al."Energy Mechanism of Atmospheric Boundary Layer Development Over the Tibetan Plateau".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 128.6(2023).