VARIABILIDADE ESTACIONAL DO BALANÇO DE ONDAS LONGAS EM UM ECOSSISTEMA DE MATA ATLÂNTICA NO ESTADO DE ALAGOAS-BRASIL

Authors

  • Misael Ferreira dos santos Universidade Federal de Alagoas https://orcid.org/0000-0003-1242-4719
  • Carlos Alexandre Santos Querino Universidade Federal do Amazonas
  • Jeová Ramos da Silva Junior Universidade de São Paulo
  • Rayonil Gomes Carneiro Instituto Nacional de Pesquisas Espaciais
  • José Marcelo Lopes Júnior Universidade Federal de Alagoas
  • Marcos Antonio Lima Moura Universidade Federal de Alagoas

DOI:

https://doi.org/10.14393/RCG217551191

Keywords:

Biosphere-Atmosphere Interaction., Radiation Balance., Forest.

Abstract

Knowledge of the net longwave radiation (BOL) is important for determining the energy exchange that occur in surface-atmosphere system. Thus, this work evaluated the seasonal variability of BOL in an area of Atlantic Forest, through the analysis of the influence of different meteorological variables, discussing their possible causes. The research was performed in the Private Reserve of the Natural Patrimony (RPPN), county of Coruripe-AL. The measurements were made by a net radiometer (CNR1, Kipp and Zone) installed above the forest canopy in a 26 meter high micrometeorological tower during the periods from 03.11.2016 to 31.12.2016 (dry season) and 01.05.2017 to 30.06.2017 (rainy season). The BOL ranged from 101.63% from rainy to dry season (-11.6 W.m-2 to -23.39 W.m-2) on cloudy days and 30.33% (-49.19 W.m-2 to -64.11 W.m-2) on clear days. The average of atmospheric longwave radiation (Ra) in the rainy season was 430.96 W.m-2 and 418.90 W.m-2 in the dry season while terrestrial radiation (Rs) was 456.46 W.m-2 (rainy) and 470.60 W.m-2 (dry). Rs was always higher than Ra, and therefore the BOL was always negative in both seasons, with an average difference of 103.19% from one season to another.

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Author Biographies

Misael Ferreira dos santos, Universidade Federal de Alagoas

Instituto de Ciências Atmosféricas, Maceió, AL, Brasil.

Carlos Alexandre Santos Querino, Universidade Federal do Amazonas

Instituto de Educação Agricultura e Ambiente, Humaitá, AM, Brasil.

Jeová Ramos da Silva Junior, Universidade de São Paulo

Instituto de Astronomia, Geofísica e Ciências Atmosféricas, São Paulo, SP, Brasil.

Rayonil Gomes Carneiro, Instituto Nacional de Pesquisas Espaciais

Centro de Ciências do Sistema Terrestre, São José dos Campos, SP, Brasil.

José Marcelo Lopes Júnior, Universidade Federal de Alagoas

Centro de Previsão de Tempo e Estudos Climáticos, São José dos Campos, SP, Brasil.

Marcos Antonio Lima Moura, Universidade Federal de Alagoas

Instituto de Ciências Atmosféricas, Maceió, AL, Brasil.

Published

2020-05-31

How to Cite

FERREIRA DOS SANTOS, M.; ALEXANDRE SANTOS QUERINO, C.; RAMOS DA SILVA JUNIOR, J. .; GOMES CARNEIRO, R. .; MARCELO LOPES JÚNIOR, J. .; ANTONIO LIMA MOURA, M. . VARIABILIDADE ESTACIONAL DO BALANÇO DE ONDAS LONGAS EM UM ECOSSISTEMA DE MATA ATLÂNTICA NO ESTADO DE ALAGOAS-BRASIL. Caminhos de Geografia, Uberlândia, v. 21, n. 75, p. 201–213, 2020. DOI: 10.14393/RCG217551191. Disponível em: https://seer.ufu.br/index.php/caminhosdegeografia/article/view/51191. Acesso em: 31 aug. 2024.

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Artigos