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当前位置: 首页 > 文章 > 植被-大气相互作用中的气孔导度及其尺度转换 生态学杂志 2008,27 (3) 454-459
Position: Home > Articles > Stomatal conductance and its scaling in vegetation-atmosphere interaction:A review Chinese Journal of Ecology 2008,27 (3) 454-459

植被-大气相互作用中的气孔导度及其尺度转换

作  者：
王笑影;李丽光;谢艳兵;李荣平;李广霞;周广胜
单  位：
中国气象局沈阳大气环境研究所;辽宁省气象台
关键词：
气孔导度;累积效应;尺度转换;陆面过程
摘  要：
气孔导度是衡量植物和大气间水分、能量及CO2平衡和循环的重要指标,探讨气孔导度在叶片、冠层及区域尺度间的尺度转换及累积效应,对更好地认识植被与大气间的水热运移过程,合理评价植被在陆面过程中的地位和作用具有重要意义。本文着重从叶片尺度气孔导度模拟、气孔导度在冠层尺度的累积表现、冠层到区域尺度转换研究及气孔导度累积效应在陆面过程模型中的作用等4个层次总结了近期国内外研究状况,指出其中存在的异质性等问题,并就今后应加强多尺度间的同步观测提出了展望。
译  名：
Stomatal conductance and its scaling in vegetation-atmosphere interaction:A review
作  者：
WANG Xiao-ying1,LI Li-guang1,XIE Yan-bing1,LI Rong-ping1,LI Guang-xia2,ZHOU Guang-sheng1,3(1Institute of Atmospheric Environment,China Meteorological Administration,Shenyang 110016,China;2Liaoning Region Meteorological Center,Shenyang 110016,China;3Laboratory of Vegetation and Environmental Change,Institute of Botany,Chinese Academy of Sciences,Beijing 100093,China)
关键词：
stomatal conductance;cumulative effect;scaling;land surface process
摘  要：
Stomatal conductance is a key indicator in evaluating the balance and cycle of heat,H2O and CO2 fluxes between vegetation-atmosphere interface,and its simulation is a basis for discussing the heat and H2O transfer in soil-vegetation-atmosphere continuum system.The study on the scaling and cumulative effect of stomatal conductance between leaf,canopy and regional scales is helpful to better understand the heat and H2O transfer processes between vegetation-atmosphere interface,and to properly evaluate the status and functions of vegetation in land surface processes.In this paper,the recent studies on stomatal conductance modeling at leaf level,cumulative effect of stomatal conductace at canopy level,scaling from canopy to regional scale,and functions of cumulative effect of stomatal conductance in land surface processes modeling were summed.The problems exsisting in related studies,such as heterogeneities,were pointed out,and the multi-scale synchronous observations that should be emphasized in the future studies were discussed.

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