THE CONCEPT OF CANOPY RESISTANCE - HISTORICAL SURVEY AND COMPARISON OF DIFFERENT APPROACHES

被引：45
|
作者：
LHOMME, JP [1 ]
机构：
[1] CTR AGRON TROP INVEST & ENSENANZA,TURRIALBA 7170,COSTA RICA
来源：
AGRICULTURAL AND FOREST METEOROLOGY | 1991年 / 54卷 / 2-4期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0168-1923(91)90007-D
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
An historical account concerning the evolution of the concept of canopy resistance over the last 40 years is presented, from the classical Penman-Monteith equation, which is based on a single-layer approach, up to the generalized combination equation derived by Lhomme using a multi-layer approach. The different procedures for calculating the bulk aerodynamic and surface resistances of a plant canopy are given. Using a numerical simulation, the bulk canopy resistances calculated with the multi-layer approach are analysed and compared with those of the classical single-layer approach, in order to determine under which conditions the classical Penman-Monteith equation can provide a good estimate of the evapotranspiration rate of a plant canopy.
引用
收藏
页码：227 / 240
页数：14
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