气候变化领域集成服务门户(CCPortal): Weakening sensible heat source over the Tibetan Plateau revisited: effects of the land-atmosphere thermal coupling

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DOI	10.1007/s00704-010-0328-1
	Weakening sensible heat source over the Tibetan Plateau revisited: effects of the land-atmosphere thermal coupling
	Guo, Xiaofeng; Yang, Kun; Chen, Yingying
通讯作者	Guo, XF (通讯作者)
发表日期	2011
ISSN	0177-798X
EISSN	1434-4483
起始页码	1
结束页码	12
卷号	104 期号:1-2
英文摘要	The bulk heat transfer coefficient (C (H) ) indicates the land-atmosphere thermal coupling strength. We seek to detect its variability and changes on the Tibetan Plateau (TP) during 1981-2006, particularly concerned with its effects on the sensible heat source. C (H) is parameterized by Monin-Obukhov similarity theory combining routine meteorological measurements. The South Asian monsoon period is characterized by weak sensible heat flux (H), but strong thermal coupling (C (H) ). Winter sees the greatest diurnal C (H) range, roughly 0.001-0.008. On average, C (H) exhibits a notable nighttime increase (10% decade(-1)) and a weak daytime decrease (-5% decade(-1)). The strengthening thermal coupling at selected sites alleviates the weakening of H, because it enhances nighttime H increase and reduces daytime H decrease. Moreover, we confirm the finding in earlier studies that sensible heating is weakening on the TP, but find its trend less notable than empirically estimated using C (H) = 0.004.
关键词	ASIAN SUMMER MONSOON BULK PARAMETERIZATION BOUNDARY-LAYER SOIL-MOISTURE FLUX VARIABILITY FORMULATION SURFACES TRENDS
语种	英语
WOS研究方向	Meteorology & Atmospheric Sciences
WOS类目	Meteorology & Atmospheric Sciences
WOS记录号	WOS:000289685600001
来源期刊	THEORETICAL AND APPLIED CLIMATOLOGY
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/257839
推荐引用方式 GB/T 7714	Guo, Xiaofeng,Yang, Kun,Chen, Yingying. Weakening sensible heat source over the Tibetan Plateau revisited: effects of the land-atmosphere thermal coupling[J]. 中国科学院青藏高原研究所,2011,104(1-2).
APA	Guo, Xiaofeng,Yang, Kun,&Chen, Yingying.(2011).Weakening sensible heat source over the Tibetan Plateau revisited: effects of the land-atmosphere thermal coupling.THEORETICAL AND APPLIED CLIMATOLOGY,104(1-2).
MLA	Guo, Xiaofeng,et al."Weakening sensible heat source over the Tibetan Plateau revisited: effects of the land-atmosphere thermal coupling".THEORETICAL AND APPLIED CLIMATOLOGY 104.1-2(2011).