Carbon dioxide concentration in the savannah Amazon: a case study

Authors

DOI:

https://doi.org/10.5902/2179460X53214

Keywords:

CO2, Meteorological variables, Wavelets

Abstract

To investigate the correlation between two time series (CO2 versus air temperature and wind speed), we used coherency wavelets and phase angle. The datasets used in this study are in the October 16 of 2018, measured from micrometeorological tower in savanna natural area (2°49’30”S; 54°54’35”W; 82 m a.m.s.l.), Santarém (PA). The correlation between with CO2 concentration and air temperature detected high coherence (upper 0.8). When confronted with the wind speed, in microscale, detection a chaotic and disordered region, displaying very intermittent and showed “islands” (statistically significant), justified by the low amplitude between them. Naturally, the use of coherence wavelet and phase is fundamental to emphasize the between with CO2 and meteorological variables ration. It is evident, even for one day only, anti-phase relation between with the CO2 and air temperature signals. The temporal domain less than 32 minutes (microscale), the wind speed, at some moments, exerts a strong influence on the concentration of the referred gas (> 0.8), mainly from 09 to 15 local time.

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Author Biographies

Antonio Marcos Delfino de Andrade, Universidade Federal do Oeste do Pará, Santarém, PA

Formado em Meteorologia, possui experiência na área de Geociências, com ênfase em Micrometeorologia. Atualmente é professor do curso de Ciências Atmosféricas da UFOPA

Rodrigo da Silva, Universidade Federal do Oeste do Pará, Santarém, PA

Possui Licenciatura Plena em Física, Mestrado e Doutorado em Física pela UFSM. Seu doutoramento foi realizado em cooperação com a State University of New York (SUNY) dentro do Programa LBA. Sua experiência é na área de Geociências e Física, com ênfase em Micrometeorologia

Júlio Tota da Silva, Universidade Federal do Oeste do Pará, Santarém, PA

Professor adjunto do curso de graduação em Ciências Atmosféricas (UFOPA). Formado em Bacharel em Meteorologia pela UFPA, mestrado em Meteorologia pelo INPE e doutorado em Clima e Ambiente pelo INPA-UEA. Atua como pesquisador e membro docente colaborador no programa de Pós Graduação em Clima e Ambiente (CLIAMB) do INPA

Vinicius dos Santos Moreira, Universidade Federal do Oeste do Pará, Santarém, PA

Graduando em Ciências Atmosféricas (7° período) pela Universidade Federal do Oeste do Pará. Bolsista PIBIC no projeto PROCESSOS DE INTERAÇÃO BIOSFERA-ATMOSFERA EM UMA INTERFACE CESANA/FLORESTANO LESTE DA AMAZÔNIA

Aurilene Barros dos Santos, Universidade Federal do Oeste do Pará, Santarém, PA

Meteorologista pela Universidade Federal de Alagoas e mestrado em Clima e Ambiente pelo Instituto Nacional de Pesquisas da Amazônia. Tem experiência na área de Geociências, com ênfase em Meteorologia

Raoni Aquino Santana, Universidade Federal do Oeste do Pará, Santarém, PA

Formado Física pela UFPa, Mestre e Doutor em Clima e Ambiente, pelo Instituto Nacional de Pesquisas da Amazônia (INPA) e Universidade do Estado do Amazonas (UEA). É professor da UFOPA e desenvolve pesquisa nos seguintes temas: Camada Limite Atmosférica; Turbulência na interface floresta atmosfera e na interface ar água

Joicy Da Silva Pinto, Universidade Federal do Oeste do Pará, Santarém, PA

Formada em Ciências Atmosféricas pela UFOPA (2020). Atualmente, aluna de mestrado em Ciências Climáticas pela UFRN

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Published

2020-08-28

How to Cite

Andrade, A. M. D. de, Silva, R. da, Silva, J. T. da, Moreira, V. dos S., Santos, A. B. dos, Santana, R. A., & Pinto, J. D. S. (2020). Carbon dioxide concentration in the savannah Amazon: a case study. Ciência E Natura, 42, e32. https://doi.org/10.5902/2179460X53214

Issue

Vol. 42 (2020): SPECIAL EDITION: XI WORKSHOP BRASILEIRO DE MICROMETEOROLOGIA

Section

Special Edition

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