TRANSPIRATION OF PLANTATION PINUS-RADIATA ESTIMATED BY THE HEAT PULSE METHOD AND THE BOWEN-RATIO

被引：72

作者：

HATTON, TJ

VERTESSY, RA

机构：

[1] Australian Centre for Catchment Hydrology, CSIRO Division of Water Resources, Canberra, Australian Capital Territory, 2601

来源：

HYDROLOGICAL PROCESSES | 1990年 / 4卷 / 03期

关键词：

Bowen ratio; Heat pulse method; Pinus radiata; Transpiration;

D O I：

10.1002/hyp.3360040309

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

The heat pulse method was used to estimate stand transpiration from a radiata pine (Pinus radiata) plantation in southeastern Australia over a period of four days. The diurnal pattern of sapflow was related to net radiation with a time lag of about 1.5 hours. Despite high soil moisture levels, sapflow did not keep up with evaporative demand in the afternoon. Sapflow estimates of transpiration exceeded estimates for evaporation based on Bowen ratio measurements for all four days of the study. Copyright © 1990 John Wiley & Sons, Ltd

引用

页码：289 / 298

页数：10

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