Comparison of the Reactive Processes and Vibrational Relaxation in Vibrationally Excited OH Collisions with O2 ; Atmospheric Implications

  • Y. Guerrero Dpto. de Física General y Matemáticas, Instituto Superior de Tecnologías y Ciencias Aplicadas (InsTEC), Salvador Allende y Luaces, Apdo. Postal 6163, Ciudad de La Habana 10600, Cuba
  • J. D. Garrido Dpto. de Física General y Matemáticas, Instituto Superior de Tecnologías y Ciencias Aplicadas (InsTEC), Salvador Allende y Luaces, Apdo. Postal 6163, Ciudad de La Habana 10600, Cuba

Abstract

A model is presented to investigate the reactive and vibrational relaxation processes occurring in collisions of vibrationally excited O2 and OH. A steady-state approach is then used to evaluate the master equations leading to production of “odd-oxygen”. A comparison with the traditional Chapman rate and the Wodtke mechanism for ozone formation is also presented. It is shown that vibrational relaxation does not eliminate the possibility of reactive collisions leading to “odd-oxygen” formation at sufficiently high altitudes and hence ozone formation under stratospheric and mesospheric local thermodynamic disequilibrium (LTD) conditions can be effective. The calculated values for the additional “odd-oxygen” production may account for the reported ozone deficit in the tropics.

Published
Jul 1, 2006
How to Cite
GUERRERO, Y.; GARRIDO, J. D.. Comparison of the Reactive Processes and Vibrational Relaxation in Vibrationally Excited OH Collisions with O2 ; Atmospheric Implications. Revista Cubana de Física, [S.l.], v. 23, n. 1, p. 45-53, july 2006. ISSN 2224-7939. Available at: <https://revistacubanadefisica.org/index.php/rcf/article/view/RCF_23_1_45>. Date accessed: 19 aug. 2022.
Section
Original Articles