alexa Sensible and Latent Heat Storage Fluxes within the Cano
ISSN: 2168-9776

Forest Research: Open Access
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Research Article

Sensible and Latent Heat Storage Fluxes within the Canopy Air-Space in the Amazon Rainforest

Vicente de P. R. da Silva1*, Rafaela S. R. Almeida2, Vanessa de A. Dantas1, Antonio C. L. da Costa3, Vijay P. Singh4 and Glayson F. B. das Chagas1

1Federal University of Campina Grande/Center of Technology and Natural Resources/Academic Unity of Atmospheric Sciences, Av. Aprígio Veloso, 882, Bodocongó, 58109 970, Campina Grande, PB, Brazil

2State University of Paraíba, R. Domitila Cabral de Castro, 148-572, Bodocongó, 58429-570 Campina Grande, PB, Brazil

3Federal University of Pará, Av. Augusto Corrêa 1, Guamá, CEP 66075-110, Belém, PA, Brazil

4Department of Biological and Agricultural Engineering & Department of Civil & Environmental Engineering, Texas A&M University, College Station, TX 77843-2117, USA

*Corresponding Author:
Vicente de P. R. da Silva
Federal University of Campina Grande/Center of Technology and Natural Resources
Academic Unity of Atmospheric Sciences
Av. Aprígio Veloso, 882, Bodocongó
58109 970, Campina Grande, PB, Brazil
E-mail: [email protected]

Received Date: February 03, 2012; Accepted Date: March 27, 2012; Published Date: March 29, 2012

Citation: da Silva VDPR, Almeida RSR, Dantas VDA, da Costa ACL, Singh VP, et al. (2012) Sensible and Latent Heat Storage Fluxes within the Canopy Air- Space in the Amazon Rainforest. J Forest Res Open Access 1:106. doi: 10.4172/2168-9776.1000106

Copyright: © 2012 da Silva VDPR, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Ecosystem–atmosphere exchanges of energy display considerable variability over a range of temporal and spatial scales. This study evaluated the seasonal and annual variations in sensible and latent heat storage fluxes within the canopy air-space in the Amazon rainforest. The data for this study were obtained from the “Long-term drought impact on water and carbon dioxide fluxes in Amazonian Tropical Rainforest Experiment (ESECAFLOR)” which is a subproject of Large Scale Biosphere Atmosphere Experiment in Amazon forest (LBA), carried out in terra firma rainforest in Caxiuanã National Forest, Pará, Brazil. The data sets also included observations to obtain the sensible and latent heat storage fluxes within forest collected throughout the 1-year period. The vapor pressure and air temperatures were obtained for each 8 m interval from the surface to 32 m. Results indicated that the cumulative sensible heat storage flux in the Amazon rainforest canopy was 167.9 Wm-2 in 2008 and the average daily magnitude was always low for the same period. The latent heat storage flux (ranging from -32.7 to -10 Wm-2) was more influenced by rainfall producing high humidity.

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