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地球科学进展  2011, Vol. 26 Issue (5): 538-547    DOI: 10.11867/j.issn.1001-8166.2011.05.0538
研究论文     
陆面蒸散量观测方法比较分析及其影响因素研究
张强1,2,3,张之贤1,3,问晓梅1,4,王胜1,3
1.中国气象局兰州干旱气象研究所甘肃省干旱气候变化与减灾重点实验室/中国气象局干旱气候变化与减灾重点开放实验室,甘肃兰州730020;2.甘肃省气象局,甘肃 兰州 730020;3.兰州大学大气科学学院,甘肃兰州730000;4.上海市宝山区气象局,上海201901
Comparisons of Observational Methods of Land Surface Evapotranspiration and Their  Influence Factors
Zhang Qiang1,2,3, Zhang Zhixian1,3, Wen Xiaomei1,4, Wang Sheng1,3
1. Key laboratory of Arid Climatic Change and Reducing Disaster of Gansu Province/Key Open Laboratory of Arid Climatic Change and Disaster Reduction of CMA/ Institute of Arid Meteorology,CMA,Lanzhou730020,China;
2. Meteorological Bureau of Gansu Province,Lanzhou 730020,China;3.Lanzhou Univerrsity,Lanzhou730000,China;
4. Baoshan Meteorological Bureau, Shanghai201901, China
 全文: PDF(2201 KB)  
摘要:

陆面蒸散是陆面水分平衡的主要分量,也是地球系统水分消耗的主要途径,但陆面蒸散量测量技术一直没有得到很好地解决。利用LOPEX试验区内陇中黄土高原定西陆面过程综合观测站的历史观测资料,在参考对照蒸发皿观测的水面蒸发量的基础上,对蒸渗计法、涡动相关法、彭曼方法等3种方法观测的陆面蒸散量的年变化特征进行了比较分析,发现各观测方法测量的蒸散量差异较大。并且,研究了涡动相关法与蒸渗计法之间、彭曼方法和蒸发皿法之间、彭曼方法与蒸发皿法之间的蒸散观测量的差异特征,揭示了各种微气象要素对陆面蒸散观测的影响规律。

关键词: 蒸散量测量方法差异特征微气象因素影响规律    
Abstract:

Evapotranspiration process is the principal componet of hydrological budget on land surface and is the main form of earth system′s water consumption.However, the land surface evapotranspiration on the measurement and estimation problem has never been a very good solution. In this paper, by using the historical observation data from DIXI land surface′s comprehensive observation station in LOPEX experimental area,the annual variation and integral total amount of the land surface evapotranspiration of lysimeter, eddy correlation method, Penman method, and evaporation pan observation of four methods  are compared and analyzed to find  that different  observational methods  in measurement of  evapotranspiration have quite different results. The annual variation and seasonal variation of the ratio of eddy correlation method and lysimeter、the ratio of Penman and pan,as well as the ratio of Penman method and lysimeter method are studied. At the same time, the ralation of the ratio of the different methods and local micrometeorological characteristics are discussed.

Key words: Evapotranspiration    Observational Method    Difference    Micrometeorological factors    Influence mechanism
收稿日期: 2010-06-30 出版日期: 2011-05-10
:  P426.2  
基金资助:

国家自然科学基金重点项目“黄土高原陆面过程观测与试验研究”(编号: 40830957);国家公益性行业科研专项“西北地区旱作农业对气候变暖的响应特征及其预警和应对技术研究”(编号:GYHY200806021)资助.

通讯作者: 张强     E-mail: zhangqiang@cma.gov.cn
作者简介: 张强(1965-),男,甘肃靖远人,研究员,主要从事大气边界层、陆面过程和干旱气候的研究. E-mail:zhangqiang@cma.gov.cn
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引用本文:

张强,张之贤,问晓梅,王胜. 陆面蒸散量观测方法比较分析及其影响因素研究[J]. 地球科学进展, 2011, 26(5): 538-547.

Zhang Qiang, Zhang Zhixian, Wen Xiaomei, Wang Sheng. Comparisons of Observational Methods of Land Surface Evapotranspiration and Their  Influence Factors. Advances in Earth Science, 2011, 26(5): 538-547.

链接本文:

http://www.adearth.ac.cn/CN/10.11867/j.issn.1001-8166.2011.05.0538        http://www.adearth.ac.cn/CN/Y2011/V26/I5/538

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