| APPROACHES DETERMINING EVAPOTRANSPIRATION OF A NATURAL SECONDARY WHITE BIRCH FOREST |
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| 作者姓名： | 任青山 |
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| 摘 要： | Concernedintl1eresearchonforestevapotranspiration(ET)-thereweren1an}:resultsaboutn1easure111ent-detern1iningmethods-andexperimentalandmathematical111ode1sbefore.Duringl92o's,RussianlIRaIIoBandGermanHubenrespecti\!cl};proposedtheFieldInstantWeighing111ethod'inwhichthebranchesortxvigsofplantsxverecutdownandweighed.Duringl93O's'JapaneseYrefdetlt15usedakindofevaporatingapparatusn1adeofpapertosimulatethetranspirationofleaves.Duringl95o's,waterbalanceandheatbalancemethodstvereextensivelyusedb…
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Approaches determining evapotranspiration of a natural secondary white birch forest |
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| Ren Qingshan.APPROACHES DETERMINING EVAPOTRANSPIRATION OF A NATURAL SECONDARY WHITE BIRCH FOREST[J].Journal of Forestry Research,1994,5(1):18-22. |
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| Authors: | Ren Qingshan |
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| Institution: | Northeast Forestry University |
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| Abstract: | Evapotranspiration of a natural secondary white birch (Betula populifolia)forest in Maoershan Ecological Station was determined by water balance method, heat balance method and water and heat combination method. Results showed that the total evapotranspiration of the forest in the growing season was 3. 6mm/d. of which evapotrans piration from canopy xvas 2. 91 mm/d and that from forest floor was 0. 57 mm/d. and that in the non-growing season was 0. 8 mm/d. |
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| Keywords: | White birch Evapotranspiration Determining method |
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