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	Comparison of three evapotranspiration models with eddy covariance measurements for a Populus euphratica Oliv. forest in an arid region of northwestern China
	Gao Guanlong; Zhang Xiaoyou; Yu Tengfei; Liu Bing
刊名	JOURNAL OF ARID LAND
	2016-02-01
卷号	8期号:1页码:146-156
关键词	evapotranspiration Penman-Monteith model Shuttleworth-Wallace model SSW model
ISSN号	1674-6767
DOI	10.1007/s40333-015-0017-0
通讯作者	Zhang Xiaoyou(zhangxy@lzb.ac.cn)
英文摘要	The accurate estimation of evapotranspiration (ET) in arid regions is important for improving the water use efficiency of vegetation. Based on successive observations from May to October of 2014, we estimated the ET of a Populus euphratica Oliv. forest during the growing season in an extremely arid region using the PM (Penman-Monteith), SW (Shuttleworth-Wallace) and SSW (an improved canopy transpiration model) models. Estimated ET values were compared with those of the eddy covariance measurements. Results indicated that the actual ET of the P. euphratica forest was always overestimated by the PM model. The accuracy of the SW model was higher than that of the PM model. However, some data were not easily obtained because of the complicated structure of the SW model. The newly proposed SSW model gave the most accurate ET values, and its accuracy was higher at hourly than at daily time scale. In conclusion, the SSW model is more suitable for sparse vegetation system at large scales in extremely arid regions.
收录类别	SCI
WOS关键词	SHUTTLEWORTH-WALLACE MODEL ; QINGHAI-TIBETAN PLATEAU ; ENERGY-BALANCE MODEL ; 2-SOURCE MODEL ; POTENTIAL EVAPOTRANSPIRATION ; SURFACE-TEMPERATURE ; NATURAL CONDITIONS ; CANOPY RESISTANCE ; ALPINE GRASSLAND ; USE EFFICIENCY
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Environmental Sciences
语种	英语
出版者	SPRINGER HEIDELBERG
WOS记录号	WOS:000365032100012
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2557199
专题	寒区旱区环境与工程研究所
通讯作者	Zhang Xiaoyou
作者单位	Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Gao Guanlong,Zhang Xiaoyou,Yu Tengfei,et al. Comparison of three evapotranspiration models with eddy covariance measurements for a Populus euphratica Oliv. forest in an arid region of northwestern China[J]. JOURNAL OF ARID LAND,2016,8(1):146-156.
APA	Gao Guanlong,Zhang Xiaoyou,Yu Tengfei,&Liu Bing.(2016).Comparison of three evapotranspiration models with eddy covariance measurements for a Populus euphratica Oliv. forest in an arid region of northwestern China.JOURNAL OF ARID LAND,8(1),146-156.
MLA	Gao Guanlong,et al."Comparison of three evapotranspiration models with eddy covariance measurements for a Populus euphratica Oliv. forest in an arid region of northwestern China".JOURNAL OF ARID LAND 8.1(2016):146-156.

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