Previous: Model Next: Results Up: Ext. Abst.

Chemical species in the AGCM

Ox?ANOx?AHOx?AClx?ANOy?ACly
N2O?AH2O?ACH4?AH2O2?AHNO3
HNO4?AN2O5?AClONO2?ACCl4
CFCl3?ACF2Cl2?ACH3Cl?AHCl?ACl2
HOCl?AClONO2?APSC scheme

The amplitude of the changes in the incident irradiance from quiet to active sun conditions varies with wavelength in the spectral range of the Schmann-Runge bands. Nicolet (1984) suggested a semi-empirical relation of this variation for the photolysis rate of molecular oxygen by:

J(O2;SRB active sun)=(1.11?}0.04)J(O2;SRB quiet sun)

The coefficient at zero optical depth J?‡(H2O;Lyƒ¿) varies from 4.0 to 6.5 x 0.000001/s according to the level of the solar activity by Nicolet (1981).