ENERGY BALANCE CLOSURE IN A TROPICAL FOREST: CONTRIBUTIONS OF TURBULENT EXCHANGE AND ECOSYSTEM HEAT STORAGE

Authors

  • Paul Stoy Department of Land Resources and Environmental Sciences, Montana State University, Bozeman, MT, USA
  • Tobias Gerken Department of Meteorology, The Pennsylvania State University, University Park, PA, USA
  • Jose Fuentes Department of Meteorology, The Pennsylvania State University, University Park, PA, USA
  • Rosa Nascimento dos Santos Universidade do Estado do Amazonas, Manaus, AM, Brazil
  • Celso Von Randow National Institute for Space Research (INPE), São José dos Campos, SP, Brazil
  • Jair Max Furtunato Maia Universidade do Estado do Amazonas, Manaus, AM, Brazil
  • Antonio Manzi Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, AM, Brazil
  • Marcelo Chamecki Department of Meteorology, The Pennsylvania State University, University Park, PA, USA

DOI:

https://doi.org/10.5902/2179460X21575

Keywords:

Eddy covariance. Energy exchange. Net radiation. Soil heat flux. Turbulent flux.

Abstract

The surface energy balance is rarely closed using the common half-hourly averaging period for turbulent fluxes as eddies of greater characteristic time scales often provide a non-trivial contribution to energy exchange. Here, we briefly discuss previous efforts to improve surfasse energy balance closure of a tropical rainforest ecosystem – the K34 site - and describe how measurements from the GoAmazon campaign can be used to improve our understanding of energy flux and storage in tropical canopies.

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References

Foken, Thomas. 2008. “The Energy Balance Closure Problem: An Overview.” Ecological Applications 18(6): 1351– 67.

———. 2011. “Results of a Panel Discussion about the Energy Balance Closure Correction for Trace Gases.” Bulletin of the American

Meteorological Society 92(4): ES13– 18.

Fuentes, JD et al. 2015. “Linking Meteorology, Turbulence, and Air

Chemistry in the Amazon Rainforest during the GoAmazon Project.”

Bulletin of the American Meteorological Society: in review.

Malhi, Y et al. 2002. “Energy and Water Dynamics of a Central Amazonian Rain Forest.” Journal of Geophysical

Research 107(D20): 8061.

Sievers, J et al. 2015. “Estimating Surface Fluxes Using Eddy Covariance and Numerical Ogive Optimization.” Atmospheric Chemistry and Physics 15(4): 2081–2103.

Stoy, PC et al. 2013. “A Data-Driven Analysis of Energy Balance Closure across FLUXNET Research Sites: The Role of Landscape Scale

Heterogeneity.” Agricultural and forest meteorology 171: 137–52.

Wilson, K et al. 2002. “Energy Balance Closure at FLUXNET Sites.”

Agricultural and Forest Meteorology 113: 223–43.

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Published

2016-07-20

How to Cite

Stoy, P., Gerken, T., Fuentes, J., Santos, R. N. dos, Randow, C. V., Maia, J. M. F., Manzi, A., & Chamecki, M. (2016). ENERGY BALANCE CLOSURE IN A TROPICAL FOREST: CONTRIBUTIONS OF TURBULENT EXCHANGE AND ECOSYSTEM HEAT STORAGE. Ciência E Natura, 38, 548–551. https://doi.org/10.5902/2179460X21575

Issue

Vol. 38 (2016): SPECIAL EDITION: IX WORKSHOP BRASILEIRO DE MICROMETEOROLOGIA

Section

SPECIAL EDITION

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