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热扩散探针(TDP)茎流计在测算树干液流中的应用
引用本文:尚爱军,冯光惠.热扩散探针(TDP)茎流计在测算树干液流中的应用[J].湖北农业科学,2008,47(7).
作者姓名:尚爱军  冯光惠
作者单位:榆林学院,陕西,榆林,719000
基金项目:陕西省教育厅科技计划项目"榆林风沙区农业可持续发展优化模式研究"
摘    要:对树木个体蒸腾耗水的研究方法较多,如热技术法、同位素示踪法、风调室法、盆栽称重法、整树容器法和蒸渗仪法等.其中热技术法中的热扩散具有保持树木在自然生长条件下基本不破坏树木正常生长状况,可以连续测定树干液流的优点,而且易于野外操作及远程下载数据.目前利用热扩散探针(TDP)茎流计测量树干液流开始向精准化、普及化和系统化的方向发展.

关 键 词:热扩散探针(TDP)茎流计  树干液流  精准化

Application of Thermal Dissipation Probe in the Calculation of Stem Sap Flow
SHANG Ai-jun,FENG Guang-hui.Application of Thermal Dissipation Probe in the Calculation of Stem Sap Flow[J].Hubei Agricultural Sciences,2008,47(7).
Authors:SHANG Ai-jun  FENG Guang-hui
Institution:SHANG Ai-jun,FENG Guang-hui(Yulin College,Yulin 719000,Shaanxi,China)
Abstract:There were many methods to study water transpiration of individual tree,such as heat and Technology method,tracer isotopes,wind-room,potted plants weighing method,the whole tree container way and lysimeter way.Heat and technology method had the advantage of maintaining the basic conditions of normal growth of trees in the course of continuously testing the sap flow of tree trunks.The operation outdoors and downloading data was easy.TDP was being measured accurately,universally and systematically.
Keywords:thermal dissipation probe(TDP)  stem sap flow  precision  
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