Average wet canopy evaporation for Sitka spruce forest derived using the eddy correlation-energy balance technique

C. van der Tol, J.H.C. Gash, S.J. Grant, M. Robinson

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    Hourly measurements of evaporation of intercepted rainfall were made for six months in a Sitka spruce forest in Central Wales (UK) with an eddy-correlation system. Sensible heat flux was measured with a three-dimensional sonic anemometer mounted on a mast above the forest, and evaporation was solved as the residual in the energy balance equation. Hourly evaporation was also estimated with the Penman-Monteith equation, using the eddy-correlation measurements to estimate the aerodynamic conductance. Wind direction dependent differences in surface roughness caused the aerodynamic conductance to vary from 0.09 to 0.29 m s
    Original languageEnglish
    Pages (from-to)12-19
    Number of pages7
    JournalJournal of Hydrology
    Volume276
    DOIs
    Publication statusPublished - 2003

    Bibliographical note

    Proceedings title: Journal of hydrology

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