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Spatiotemporal variability of atmospheric CO2 concentration and controlling factors over sugarcane cultivation areas in southern Brazil

Author

Listed:
  • Luis Miguel Costa

    (São Paulo State University)

  • Gustavo André Santos

    (São Paulo State University)

  • Gislaine Costa Mendonça

    (São Paulo State University)

  • Luiz Fernando Favacho Morais Filho

    (São Paulo State University)

  • Kamila Cunha Meneses

    (São Paulo State University)

  • Glauco Rolim

    (São Paulo State University)

  • Newton La Scala Jr.

    (São Paulo State University)

Abstract

With the advancement of remote sensing, it is now possible to identify and characterize greenhouse gas emissions under deferment land uses. Given the above, this study aimed to characterize the spatial–temporal variability and the main factors controlling the average atmospheric CO2 column (Xco2) in the macroregion of Ribeirão Preto (MRP), São Paulo, a significant sugarcane producer in Brazil. We obtained remote sensing data from January 2015 to December 2018. The variables used were Xco2 and sun-induced fluorescence of chlorophyll (SIF) by NASA's Orbiting Carbon Observatory-2 satellite (OCO-2), relative humidity (RH), global radiation (Qg), and the average temperature at 2 m (T2m) by the NASA-POWER platform, and leaf area index (LAI) and evapotranspiration by Penman–Monteith (ET) by MODIS sensor. We evaluated the data in trimester’s averages, where descriptive statistics, Pearson correlation and linear regression have been applied. The spatial distribution was made by the inverse distance weighted (IDW). The minimum (390.40 ± 0.41 ppm) and maximum (394.75 ± 0.34 ppm) mean of Xco2 was observed in the first quarter of 2015 and third quarter of 2017. The Xco2 obtained negative correlations with the SIF (−0.81), LAI (−0.81), RH (−0.74), ET (−0.84), and Qg (−0.51). Hotspots and coldspots of Xco2 tend to vary over the years. We conclude that the temporal variation of Xco2 above sugarcane areas in southern Brazil is well represented by a periodic function. Our results indicate photosynthesis and soil exposure after harvest are factors that could act as source and sink of CO2.

Suggested Citation

  • Luis Miguel Costa & Gustavo André Santos & Gislaine Costa Mendonça & Luiz Fernando Favacho Morais Filho & Kamila Cunha Meneses & Glauco Rolim & Newton La Scala Jr., 2022. "Spatiotemporal variability of atmospheric CO2 concentration and controlling factors over sugarcane cultivation areas in southern Brazil," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 24(4), pages 5694-5717, April.
    • Handle: RePEc:spr:endesu:v:24:y:2022:i:4:d:10.1007_s10668-021-01677-6
    DOI: 10.1007/s10668-021-01677-6
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    References listed on IDEAS

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    1. H. Barbosa & T. Lakshmi Kumar & L. Silva, 2015. "Recent trends in vegetation dynamics in the South America and their relationship to rainfall," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 77(2), pages 883-899, June.
    2. Rafael Parras & Gislaine Costa de Mendonça & Renata Cristina Araújo Costa & Teresa Cristina Tarlé Pissarra & Carlos Alberto Valera & Luís Filipe Sanches Fernandes & Fernando António Leal Pacheco, 2020. "The Configuration of Forest Cover in Ribeirão Preto: A Diagnosis of Brazil’s Forest Code Implementation," Sustainability, MDPI, vol. 12(14), pages 1-13, July.
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