Abstract
The energy storage terms for a mature mixed forest at Petawawa, Ontario are reported for 38 days in the summer of 1982 when the forest was in full leaf. Hourly, daily and daytime values of the storage terms are documented. The biomass storage term, Q v , should be calculated from measurement of biomass temperature change. For hourly periods, the storage terms can be of significant size with respect to net radiation, Q *. This is especially the case at night, in the early morning after sunrise, and near sunset. The importance of the storage terms is still pronounced when daytime totals are considered — the ratio of the total storage (Q s ) to Q * varied from 1 to 15% for the whole sample, but is typically between 5 and 10%. For daily totals when the canopy is dry and the net radiation high, Q s is typically 2 to 3 % of Q *. However, it can be up to 10% of Q * under particular conditions (overcast days, or during or immediately following rainfall).
Article PDF
Similar content being viewed by others
Avoid common mistakes on your manuscript.
References
Brintnell, D. M.: 1983, ‘The Radiation and Energy Balances of Clear-Cut and Forest Sites, Petawawa, Ontario’, M.Sc. Thesis, Queen's University, Kingston, Ontario, Canada.
De Vries, D. A.: 1963, ‘Thermal Properties of Soils’, in W. R. Van Wijk (ed.), Physics of Plant Environment, J. Wiley and Sons, New York, pp. 210–235.
McCaughey, J. H. and Brintnell, D. M.: 1984, ‘Evaluation of a Bowen Ratio Measurement System over Forest and Clear-Cut Sites at Petawawa, Ontario’, J. Tech. (in press).
Munro, D. S.: 1979, ‘Daytime Energy Exchange and Evaporation from a Wooded Swamp’, Water Resour. Res. 15, 1259–1265.
Stewart, J. B. and Thom, A. S.: 1973, ‘Energy Budgets in Pine Forest’, Quart. J. Roy. Meteorol. Soc. 99, 154–170.
Tajchman, S. J.: 1971, ‘Evapotranspiration and Energy Balances of Forest and Field’, Water Resour. Res. 7, 511–523.
Thom, A. S.: 1975, ‘Momentum, Mass, and Heat Exchange of Plant Communities’, in J. L. Monteith (ed.), Vegetation and the Atmosphere, Vol. 1, Academic Press, London, pp. 57–109.
Whittaker, R. H. and Woodwell, G. M.: 1968, ‘Dimension and Production Relations of Trees and Shrubs in the Brookhaven Forest, New York’, J. Ecol. 56, 1–25.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
McCaughey, J.H. Energy balance storage terms in a mature mixed forest at Petawawa, Ontario — A case study. Boundary-Layer Meteorol 31, 89–101 (1985). https://doi.org/10.1007/BF00120036
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00120036