Articles | Volume 12, issue 23
https://doi.org/10.5194/bg-12-7349-2015
https://doi.org/10.5194/bg-12-7349-2015
Research article
 | 
15 Dec 2015
Research article |  | 15 Dec 2015

The influence of warm-season precipitation on the diel cycle of the surface energy balance and carbon dioxide at a Colorado subalpine forest site

S. P. Burns, P. D. Blanken, A. A. Turnipseed, J. Hu, and R. K. Monson

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Cited articles

Acevedo, O. C., Moraes, O. L. L., Degrazia, G. A., Fitzjarrald, D. R., Manzi, A. O., and Campos, J. G.: Is friction velocity the most appropriate scale for correcting nocturnal carbon dioxide fluxes?, Agr. Forest Meteorol., 149, 1–10, 2009.
Alekseychik, P., Mammarella, I., Launiainen, S., Rannik, Ü., and Vesala, T.: Evolution of the nocturnal decoupled layer in a pine forest canopy, Agr. Forest Meteorol., 174–175, 15–27, 2013.
Alexander, R. R.: Ecology, Silviculture, and Management of the Engelmann Spruce - Subalpine Fir Type in the Central and Southern Rocky Mountains, USDA Forest Service, Agriculture Handbook No. 659, 144 pp., 1987.
Aubinet, M.: Eddy covariance CO2 flux measurements in nocturnal conditions: An analysis of the problem, Ecol. Appl., 18, 1368–1378, 2008.
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Short summary
The effect of warm-season precipitation on environmental conditions and ecosystem-scale fluxes at a high-elevation subalpine forest site was investigated. As would be expected (based on the surface energy balance), precipitation caused an increase in latent heat flux (evapotranspiration) and a decrease in sensible heat flux. The evaporative component of evapotranspiration was, on average, estimated to be around 6% in dry conditions and between 15-25% in partially wet conditions.
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