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Journal of Mountain Science

, Volume 1, Issue 2, pp 166–174 | Cite as

Wet canopy evaporation rate of three stands in Western Sichuan, China

  • Yang Wanqin
  • Wang Kaiyun
  • Seppo Kellomäki
  • Xiao Ling
Article

Abstract

The wet canopy evaporation rate (Er) was calculated by Penman-Monteith combination model based on three assumptions and with meteorological variables 2 m above the canopy in three stands, dominated by spruce (SF), fir (FF) and birch (BF) trees, respectively, in the subalpine forests in western Sichuan, China over a growing season. The total amount of theE was 44.5 mm for SF, 88.5 mm for FF and 57.8 mm for BF, accounting for 9.2%, 16.6% and 10.2% of the gross rainfall, respectively, in the measuring period. There was the highest average monthlyEr and percentage ofE to gross rainfall for FF compared with SF and BF. MeanEr was 0.097 mm h−1 (ranging from 0.028 to 0.487 mm h−1), 0.242 mm h−1 (from 0.068 to 0.711 mm h−1) and 0.149 mm h−1 (from 0.060 to 0.576 mm h−1) for SF, FF and BF, respectively. The highest average monthlyEr occurred in June was 0.120 mm h−1 for SF, 0.317 mm h−1 for FF and 0.169 mm h−1 for BF, and the lowest value in October was 0.083 mm h−1 for SF, 0.187 mm h−1 for FF and 0.101 mm h−1 for BF, respectively. The averages ofEr from 8:00 to 16:00 were significantly higher than those from 0:00 to 8:00 and from 16:00 to 0:00 for the three stands. The marked daily and monthly differences ofEr were contributable to the variations of solar radiation, air temperature and relative humidity above the canopy.

Keywords

Wet canopy evaporation rate meteorological variable Penman-Monteith equation subalpine forest western Sichuan 

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References

  1. Aboal J. R., Jiménez M. S., Morales D., Hernández M. 1999. Rainfall interception in laurel forest in the Canary Islands.Agricultural and Forest Meteorology 97: 73–86.CrossRefGoogle Scholar
  2. Aboal J. R., Morales D., Hernández M., Jiménez M. S. 1999. The measurement and modeling of the variation of stemflow in a laurel forest in Tenerife, Canary Islands.Journal of Hydrology 221: 161–175.CrossRefGoogle Scholar
  3. Asdak C., Jarvis P. G., Gardingen P. V. 1998. Evaporation of intercepted precipitation based on an energy balance in unlogged and logged forest areas of central Kalimantan, Indonesia.Agricultural and Forest Meteorology 92: 173–180.CrossRefGoogle Scholar
  4. Calder I. R., Wright I. R., Murdiyarso D. 1986. A study of evaporation from tropical rain forest-West Java.Journal of Hydrology 89: 13–31.CrossRefGoogle Scholar
  5. Cheng G. W., Yu X. X., Zhao Y. T., Zhou M. Y., Luo J. 2003. Evapotranspiration of subalpine forest area in Gongga Mountain.Journal of Beijing Forestry University 25 (1): 23–27. (in Chinese)Google Scholar
  6. Frazer G. W., Fournier R. A., Trofymow J. A, Hall R. J. 2001. A comparison of digital and film fisheye photography for analysis of forest canopy structure and gap light transmission.Agricultural and Forest Meteorology 109: 249–263.CrossRefGoogle Scholar
  7. Gash J. H. C., Valente F., David J. S. 1999. Estimates and measurements of evaporation from wet, sparse pine forest in Portugal.Agricultural and Forest Meteorology 94: 149–158.CrossRefGoogle Scholar
  8. Grelle A., Lundberg A., Lindroth A., Morén A. S., Cienciala E. 1997. Evaporation components of a boreal forest: variations during the growing season.Journal of Hydrology 197: 70–87.CrossRefGoogle Scholar
  9. He K. N., Tian Y., Zhang G. C. 2003. Modeling of the daily transpiration variatonin locust forest by Penman-Monteith equation.Acta Ecologica Sinica 23 (2): 251–258. (in Chinese)Google Scholar
  10. Klaassen W., Bosveld F., de Water E. 1998. Water storage and evaporation as constituents of rainfall interception.Journal of Hydrology 212(–213): 36–50.CrossRefGoogle Scholar
  11. Lankreijer H., Lundberg A., Grelle A., Lindroth A., Seibert J. 1999. Evaporation and storage of intercepted rain analysed by comparing two models applied to a boreal forest.Agricultural and Forest Meteorology 98(–99): 595–604.CrossRefGoogle Scholar
  12. Leyton L., Reynolds R. C., Thompson F. B. 1967. Rainfall interception in forest and moorland. In: Sopper, W.E., Lull, H.W. (Eds.), Forest Hydrology. Pergamon Press, Oxford, Pp. 163–179.Google Scholar
  13. Liu J. G. 1988. A theoretical model of the process of rainfall interception in forest canopy.Ecological Modeling 42: 111–123.CrossRefGoogle Scholar
  14. Liu S. 1997. A new model for the prediction of rainfall interception forest canopies.Ecological Modelling 99: 151–159.CrossRefGoogle Scholar
  15. Liu S. 1998. Estimation of rainfall storage capacity in the canopies of cypress wetlands and slash pine uplands in North-Central Florida.Journal of Hydrology 207: 32–41.CrossRefGoogle Scholar
  16. Lloyd C. R., Marques A. 1988. Spatial variability of throughfall and stemflow measurements in Amazonian rainfall forest.Forest and Agricultural Meteorology 42: 63–67.CrossRefGoogle Scholar
  17. Ma X. H. 1987. Preliminary study on hydrological function of fir forest in Miyaluo region of Sichuan.Scientia Silvae Sinicae 23 (3): 253–265 (in Chinese).Google Scholar
  18. Marin C. T., Bouten W., Sevink J. 2000. Gross rainfall and its partitioning into throughfall, stemflow and evaporation of intercepted water in four forest ecosystems in western Amazonia.Journal of Hydrology 237: 40–57.CrossRefGoogle Scholar
  19. Monteith J. L. 1965. Evaporation and the environment.Symp. Soc. Expl. Biol. 16: 205–234.Google Scholar
  20. Monteith J. L., Unsworth M. H. 1990. Principles of Environmental Physics, 2nd edn. Chapman & Hall, New York, Pp 291.Google Scholar
  21. Návar J., Charles F., Jurado E. 1999. Spatial variations of interception loss components by Tamaulipan thornscrub in northeastern Mexico.Forest Ecology and Management 124: 231–239.CrossRefGoogle Scholar
  22. Teklehaimanot Z., Jarvis P. G. 1991. Direct measurement of evaporation of intercepted water from forest canopies.Journal of Applied Ecology 28: 603–618.CrossRefGoogle Scholar
  23. Thom A. S., Stewart J. B., Oliver H. R., Gash J. H. C. 1975. Comparison of aerodynamic and energy budget estimates of fluxes over a pine forest.Quart. J. R. Meteorol. Soc. 101: 93–105.CrossRefGoogle Scholar
  24. Van der Tol C., Gash J. H. C., Grant S. J., McNeil D. D., Robinson M. 2003. Average wet canopy evaporation for a Sitka spruce forest derived using the eddy correlation-energy balance technique.Journal of Hydrology 276: 12–19.CrossRefGoogle Scholar
  25. Wang K. Y., Yang W. Q., Song G. Y., Hu T. X. (eds.). 2004. The Processes of Subalpine Forest Ecosystem In The Western Sichuan. Chengdu: Sichuan Science & Technology Publishing House. Pp 1–388.Google Scholar
  26. Wang W. D., Shan B. Q., Yin C. Q. 2002. A continuous rainfall simulation on the solute movement through the distributed primary soil of anAbies fabri forest in Gongga Mountain, China.Acta Ecologica Sinica 22 (12): 2154–2162 (in Chinese).Google Scholar
  27. Whitehead D., Kelliher F. M., Lane P. M., Pollock D. S. 1994. Seasonal partitioning of evaporation between trees and understory in a widely spacedPinus radiata stand.Journal of Applied Ecology 31: 528–542.CrossRefGoogle Scholar
  28. Xie C. H., Guan W. B., Wu J. A., Cheng G. W., Luo J. 2002. Interception capacity of dark coniferous forest ecosystem in Gongga Mountain.Journal of Beijing Forestry University 24 (4): 68–71 (in Chinese).Google Scholar
  29. Yang Y. P., Li C. B., Guan Z. T. (eds). 1992. Forests in Sichuan. Beijing: China Forestry Publishing House. Pp. 1–572 (in Chinese).Google Scholar

Copyright information

© Institute of Moutain Hazards and Environment, Chinese Academy of Sciences and Science Press 2004

Authors and Affiliations

  • Yang Wanqin
    • 1
  • Wang Kaiyun
    • 1
    • 2
  • Seppo Kellomäki
    • 2
  • Xiao Ling
    • 1
  1. 1.Chengdu Institute of BiologyChinese Academy of SciencesChengduChina
  2. 2.Faculty of ForestryUniversity of JoensuuFinland

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