Preprints
https://doi.org/10.5194/npg-2020-49
https://doi.org/10.5194/npg-2020-49

  19 Jan 2021

19 Jan 2021

Review status: this preprint is currently under review for the journal NPG.

Brief Communication: Residence Time of Energy in the Atmospheres of Venus, Earth, Mars and Titan

Javier Pelegrina1, Carlos Osácar1, and Amalio Fernández-Pacheco2 Javier Pelegrina et al.
  • 1Facultad de Ciencias. Universidad de Zaragoza. 50009 Zaragoza (Spain)
  • 2Facultad de Ciencias and BIFI. Universidad de Zaragoza. 50009 Zaragoza (Spain)

Abstract. The concept of residence time of energy in a planetary atmosphere τR, recently introduced and computed for the Earth's atmosphere (Osácar et al., 2020), is here extended to the atmospheres of Venus, Mars and Titan. After a global thermal perturbation, τR is the time scale the atmosphere needs to return to equilibrium. The residence times of energy in the atmospheres of Venus, Earth, Mars and Titan have been computed. In the cases of Venus, Mars and Titan, these are mere lower bounds due to a lack of some energy data.

Javier Pelegrina et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on npg-2020-49', Anonymous Referee #1, 15 Feb 2021
  • RC2: 'Comment on npg-2020-49', Anonymous Referee #2, 15 Feb 2021
  • AC1: 'Comment on npg-2020-49', Carlos Osácar, 20 Apr 2021

Javier Pelegrina et al.

Javier Pelegrina et al.

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Short summary
The atmospheres of Venus, Mars and Titan are similar to the atmosphere of Earth. We wanted to find out the value of the residence time of energy in these three atmospheres. We estimated the energy contained in a column of air. From experimental data, we deduced the value of the energy inflow and outflow. From these data, the time of residence of the energy is calculated. This parameter gives a time scale of the response of the planetary atmosphere against global perturbations.