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Position: Home > Articles > Methods for studying water cycle and water sources in arid regions based on SPAC system Chinese Journal of Ecology 2013,32 (8) 2194-2202

基于SPAC系统干旱区水分循环和水分来源研究方法综述

作  者:
寿文凯;胡飞龙;阿拉木萨;刘志民
单  位:
森林与土壤生态国家重点实验室
关键词:
SPAC系统;蒸腾耗水;热技术法;稳定同位素;模型
摘  要:
土壤-植物-大气连续体(SPAC)是研究植物水分利用与循环的核心,研究其水分传输过程对干旱区植被恢复具有重要指导意义。本文从土壤水分和植物蒸腾两个方面进行阐述,对土壤水分的研究主要涉及热惯量法、中子仪法和时域反射仪法,植物蒸腾则从枝叶尺度、单木尺度、林分尺度和区域尺度4个层面分类总结;并重点介绍了稳定同位素方法在研究植物不同水分来源中的应用。
译  名:
Methods for studying water cycle and water sources in arid regions based on SPAC system
作  者:
SHOU Wen-kai 1,2 ,HU Fei-long 1,2 ,Alamusa 1 ,LIU Zhi-min 1** ( 1 State Key Laboratory ofForest and Soil Ecology,Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang 110016,China; 2 University of Chinese Academy of Sciences,Beijing 100049,China)
关键词:
SPAC system; transpiration consumption; thermal technology; stable isotope; model.
摘  要:
Soil-plant-atmosphere continuum ( SPAC) is the core in studying plant water use and water cycle. To study the water transportation process of SPAC is of significance for the vegetation restoration in arid regions. From the aspects of soil moisture and plant transpiration,this paper summarized the study methods of soil moisture,mainly thermal inertia method,neutron probe method,and time domain reflectometry,and the study methods of plant transpiration at foliage scale,single wood scale,stand scale,and regional scale. The applications of stable isotope method in the study of plant water sources were also highlighted.

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