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	Surface energy budget at Amdo on the Tibetan Plateau using GAME/Tibet IOP98 data
	Tanaka, K; Ishikawa, H; Hayashi, T; Tamagawa, I; Ma, YM
刊名	JOURNAL OF THE METEOROLOGICAL SOCIETY OF JAPAN
	2001-03-01
卷号	79期号:1B页码:505-517
ISSN号	0026-1165
通讯作者	Tanaka, K(ktanaka@gpo.kumamoto-u.ac.jp)
英文摘要	In the east of Tibetan Plateau, Amdo, the surface energy flux measurement with eddy correlation technique was conducted during the Intensive Observation Period (IOP) of GEWEX Asian Monsoon Experiment (GAME). This study is a preliminary analysis on surface energy budget at Amdo with these data. There is a remarkable change in sensible and latent heat fluxes between pre-monsoon season and summer monsoon season. In the pre-monsoon, the ground surface and the surface layer were very dry. The specific humidity was 2 to 4 g/kg and the sensible heat flux was dominant. As the monsoon progresses, the surface becomes wet due to almost daily precipitation. Accordingly, the sensible heat flux decreases and the latent heat flux increases. In the beginning of September, nearly the end of the summer monsoon, the latent heat flux exceeds the sensible heat flux. The ground heat flux at the surface was estimated using the observed soil temperature profile with the aid of the thermal conductive equation. The computed ground heat flux corresponds to the residual of the surface energy balance in the daytime. But disagreement occurred in the evening, when the surface temperature rapidly decreases. On the daily averaged bases, the surface energy balance is not well closed. In terms of closure ratio, the value in a typical clear day was 67%. Another rough estimation of soil heat flux is made, in which the heat needed to melt the soil water and to heat up the soil layer was calculated. According to this, it was estimated that about 30 W/m(2) (20% of net radiation) of soil heat flux was required on average over April 20 to July 20, but the measured soil heat flux was only 5.7 W/m(2).
收录类别	SCI
WOS关键词	SUMMER MONSOON ; FLUX ; MODELS ; SYSTEMS ; LAYER
WOS研究方向	Meteorology & Atmospheric Sciences
WOS类目	Meteorology & Atmospheric Sciences
语种	英语
出版者	METEOROLOGICAL SOC JAPAN
WOS记录号	WOS:000168707000017
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2556693
专题	寒区旱区环境与工程研究所
通讯作者	Tanaka, K
作者单位	1.Kumamoto Univ, Fac Engn, Dept Civil & Environm Engn, Kumamoto 8600862, Japan 2.Kyoto Univ, Disaster Prevent Res Inst, Kyoto, Japan 3.Gifu Univ, Fac Engn, Dept Civil Engn, Gifu 50111, Japan 4.CAS, Cold & Arid Reg Environm & Engn Res Inst, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Tanaka, K,Ishikawa, H,Hayashi, T,et al. Surface energy budget at Amdo on the Tibetan Plateau using GAME/Tibet IOP98 data[J]. JOURNAL OF THE METEOROLOGICAL SOCIETY OF JAPAN,2001,79(1B):505-517.
APA	Tanaka, K,Ishikawa, H,Hayashi, T,Tamagawa, I,&Ma, YM.(2001).Surface energy budget at Amdo on the Tibetan Plateau using GAME/Tibet IOP98 data.JOURNAL OF THE METEOROLOGICAL SOCIETY OF JAPAN,79(1B),505-517.
MLA	Tanaka, K,et al."Surface energy budget at Amdo on the Tibetan Plateau using GAME/Tibet IOP98 data".JOURNAL OF THE METEOROLOGICAL SOCIETY OF JAPAN 79.1B(2001):505-517.

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