Constraints on the dynamical and chemical theories of the ozone hole

Details Constraints on the dynamical and chemical theories of the ozone hole Constraints on the dynamical and chemical theories of the ozone hole

Feb 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991ncimc..14..103v&link_type=abstract

Nuovo Cimento C, Serie 1 (ISSN 0390-5551), vol. 14 C, Jan.-Feb. 1991, p. 103-106.

Other

Atmospheric Chemistry, Atmospheric Circulation, Ozone Depletion, Chlorine Oxides, Clouds (Meteorology), Nitrates, Optical Thickness, Planetary Waves, Reaction Kinetics

Scientific paper

Calculation results which could impose some constraints for the proposed chemical and dynamical theories on the ozone hole are presented. One set of calculations is about the consistency between the observed optical thickness of polar stratospheric clouds (PSC) and the surface required for heterogeneous reactions by the chemical theories. Assuming a reaction rate for ClNO3 + H2O, the sticking coefficient is found to be larger than 0.1 for consistency with observed PSC extinctions. The other set of calculations is on the perturbation to the residual circulation due to the presence of additional heating produced by PSCs. The perturbed residual circulation is of the opposite sign (i.e., downward) with respect to that necessary for the dynamical generation of an ozone hole.

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