Approaches determining evapotranspiration of a natural secondary white birch forest

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 evapotranspiration from canopy was 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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