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题名: Simulating evapotranspiration of Qinghai spruce (Picea crassifolia) forest in the Qilian Mountains, northwestern China
作者: Tian, FX; Zhao, CY(赵传燕); Feng, ZD
收录类别: SCIE ; BIOSIS
出版日期: 2011-07
刊名: JOURNAL OF ARID ENVIRONMENTS
卷号: 75, 期号:7, 页码:648-655
出版者: ELSEVIER
出版地: LONDON
英文摘要: Qinghai spruce (Picea crassifolia) forests play an important role in regulating the regional water balance of the Qilian Mountains in northwestern China. The objective of this study was to estimate evapotranspiration (ET) of the Qinghai spruce forest in the middle section of the Qilian Mountains. A modified Penman-Monteith equation was used to simulate two sub-components of ET: canopy transpiration (E(t)) and soil evaporation (E(s)). The third sub-component of ET, canopy interception evaporation (E(i)), was directly measured. The results show that the total ET of the Qinghai spruce forest was 313.6 mm during the 2008 growing season (from May 1 to September 30). E(i), E(t), and E(s) were 100.9 mm. 160.8 mm and 51.9 mm, and accounted for 32.2%, 51.3% and 16.5% of the total ET, respectively. The total modeled ET during the 2008 growing season is acceptably consistent with the directly measured er (298.2 mm) by eddy covariance system. The consistency implies that the modified Penman-Monteith equation is an effective method to estimate ET using conventional meteorological data with additional measurements of net radiation, and the method can thus be applied to similar situations where reliable direct measurements are not practical. (C) 2011 Elsevier Ltd. All rights reserved.
关键词: Canopy interception evaporation ; Canopy transpiration ; Eddy covariance system ; Penman-Monteith equation ; Soil evaporation
作者部门: [Zhao, C. Y.] Lanzhou Univ, MOE Key Lab Arid & Grassland Agroecol, Lanzhou 730000, Gansu, Peoples R China ; [Tian, F. X. ; Feng, Z. -D.] Lanzhou Univ, MOE Key Lab Western Chinas Environm Syst, Lanzhou 730000, Gansu, Peoples R China ; [Tian, F. X. ; Feng, Z. -D.] Lanzhou Univ, Coll Earth & Environm Sci, Lanzhou 730000, Gansu, Peoples R China ; [Feng, Z. -D.] Baylor Univ, Dept Geol, Waco, TX 76798 USA
通讯作者: Zhao, CY (reprint author), Lanzhou Univ, MOE Key Lab Arid & Grassland Agroecol, 222 S Tianshui Rd, Lanzhou 730000, Gansu, Peoples R China.
学科分类: Environmental Sciences & Ecology
文章类型: Article
所属项目编号: Nation Natural Science Foundation of China [91025015, 30770387]
所属项目名称: 国家自然科学基金项目
项目资助者: NSFC
语种: 英语
DOI: 10.1016/j.jaridenv.2011.02.001
ISSN号: 0140-1963
WOS记录号: WOS:000289599800004
BIOSIS记录号: BIOSIS:PREV201100300305
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/115012
Appears in Collections:生命科学学院_期刊论文

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Recommended Citation:
Tian, FX,Zhao, CY,Feng, ZD. Simulating evapotranspiration of Qinghai spruce (Picea crassifolia) forest in the Qilian Mountains, northwestern China[J]. JOURNAL OF ARID ENVIRONMENTS,2011,75(7):648-655.
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