基于SEBS模型干旱区蒸散发量研究

doi:10.11873/j.issn.1004-0323.2014.2.0195

遥感技术与应用

2014, Vol. 29

Issue (2): 195-201 DOI: 10.11873/j.issn.1004-0323.2014.2.0195

模型与反演

基于SEBS模型干旱区蒸散发量研究

李琴^1,2,3,陈曦⁴,包安明⁴,徐征和^1,2,3,赵强^1,2,3

(1.济南大学资源与环境学院,山东济南 250022;
2.山东省生态固碳与捕集利用工程技术研究中心,山东济南 250022;
3.山东省地下水数值模拟与污染控制工程技术研究中心,山东济南 250022;
4.中国科学院新疆生态与地理研究所,新疆乌鲁木齐 830011)

Evapotranspiration Estimation in Arid Areas based on SEBS Model

Li Qin^1,2,3,Chen Xi⁴,Bao Anming⁴,Xu Zhenghe^1,2,3,Zhao Qiang^1,2,3 

( 1.School of Resources and Environment,University of Jinan,Jinan 250022,China;
2.Shandong Provincial Engineering Technology Research Centerfor Ecological Carbon Sink and Capture Utilization,Jinan 250022,China;
3.Shandong Provincial Engineering Technology Research Center for Groundwater Numerical Simulation and Contamination Control,Jinan 250022,China;
4.Xinjiang Institute of Ecology and Geography.Chinese Academy of Sciences,Urumqi 830011,China)

全文: PDF(2562 KB)

摘要：

以中亚五国和新疆为研究区域,选取近30 a的遥感数据,结合地面观测资料,基于SEBS模型,反演逐日实际蒸散发量。结果表明:2005年生长季,中亚地区蒸散发量为9 741.03×10⁸ m³,新疆地区蒸散发量为2 168.68×10⁸ m³;其蒸散发在1980、1990和2005年5~9月年际变化量分别为8 960.64×10⁸、9 134.37×10⁸、9 085×10⁸ m³。通过研究区降水量和新疆地区水平衡分析,模型反演的蒸散发量值较为合理,定量提出了区域水循环中参与蒸发过程的水量变化,揭示了干旱区区域蒸散发过程的变化规律。

关键词： 蒸散发; 干旱区; SEBS模型; 中亚; 新疆

Abstract:

The daily evapotranspiration(ET) of Central Asia and Xinjiang has been estimated from the national geostationary meteorological satellite data and ground observation for 30 years.The Surface Energy Balance System(SEBS) model can be applied in the ET estimation.Results show that the ET during the 2005 growing season in Xinjiang and Central Asia were 2 168.68×10⁸ and 9 741.03×10⁸ m³ respectively.The total ET for May\|September of 1980,1990 and 2005 were 8 960.64×10⁸,9 134.37×10⁸and 9 085×10⁸ m³ respectively.Through analyzing the precipitation of study area and water balance in Xinjiang,model simulation of ET is acceptable.The actual ET describes the water variation quantitatively with the participation of evaporation process and reveals the variation rules of ET process in arid areas.

Key words: Evapotranspiration Arid areas SEBS model Central Asia Xinjiang

收稿日期: 2013-04-01 出版日期: 2014-05-14

TP 79

基金资助:

国际科技合作专项(2010DFA92720-03),济南大学校科研基金(XKY1041),济南大学校博士基金(XBS1035),新疆重点实验室遥感与地理信息系统应用实验室开放研究课题基金(XJYS0205-2013-02)。

作者简介: 李琴(1980-),女,山东济南人,讲师,主要从事生态水文方面的研究。Email:stu_liq@ujn.edu.cn。

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引用本文:

李琴,陈曦,包安明,徐征和,赵强. 基于SEBS模型干旱区蒸散发量研究[J]. 遥感技术与应用, 2014, 29(2): 195-201.

Li Qin,Chen Xi,Bao Anming,Xu Zhenghe,Zhao Qiang. Evapotranspiration Estimation in Arid Areas based on SEBS Model. Remote Sensing Technology and Application, 2014, 29(2): 195-201.

链接本文:

http://www.rsta.ac.cn/CN/10.11873/j.issn.1004-0323.2014.2.0195 或 http://www.rsta.ac.cn/CN/Y2014/V29/I2/195

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