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Abstract <p>The ongoing global warming leads to the need in continuous monitoring of greenhouse gas concentrations and the magnitude of their fluxes. Gas exchange between terrestrial ecosystems and the atmosphere is mainly measured using eddy covariance, gradient, and chamber methods. This work compares greenhouse gas fluxes measured using the eddy covariance technique onboard an aircraft laboratory and with the gas analysis system and meteorological sensors at ZOTTO observatory. Instrument suites of the aircraft laboratory and the observatory are described. The comparison results showed that CO<sub>2</sub> and CH<sub>4</sub> fluxes measured by two different methods at the same altitudes coincide in sign, are close to each other in the value for carbon dioxide, and differ by up to 2 times for methane. The results are of interest to specialists who study greenhouse gas fluxes using the eddy covariance method.</p>

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Comparison between Greenhouse Gas Fluxes Measured with the Equipment of Yakovlev-40 Aircraft Laboratory and ZOTTO Observatory

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • P. N. Antokhin,
  • V. G. Arshinova,
  • M. Yu. Arshinov,
  • V. E. Aryasov,
  • B. D. Belan,
  • S. B. Belan,
  • D. K. Davydov,
  • G. A. Ivlev,
  • A. V. Kozlov,
  • A. V. Panov,
  • A. S. Prokushkin,
  • I. R. Putilin,
  • T. M. Rasskazchikova,
  • D. E. Savkin,
  • D. V. Simonenkov,
  • G. N. Tolmachev,
  • A. V. Fofonov

摘要

Abstract

The ongoing global warming leads to the need in continuous monitoring of greenhouse gas concentrations and the magnitude of their fluxes. Gas exchange between terrestrial ecosystems and the atmosphere is mainly measured using eddy covariance, gradient, and chamber methods. This work compares greenhouse gas fluxes measured using the eddy covariance technique onboard an aircraft laboratory and with the gas analysis system and meteorological sensors at ZOTTO observatory. Instrument suites of the aircraft laboratory and the observatory are described. The comparison results showed that CO2 and CH4 fluxes measured by two different methods at the same altitudes coincide in sign, are close to each other in the value for carbon dioxide, and differ by up to 2 times for methane. The results are of interest to specialists who study greenhouse gas fluxes using the eddy covariance method.