Transpiration of plantation pinus radiata estimated by the heat pulse method and the bowen ratio
- 1 July 1990
- journal article
- research article
- Published by Wiley in Hydrological Processes
- Vol. 4 (3), 289-298
- https://doi.org/10.1002/hyp.3360040309
Abstract
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.Keywords
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