| Stratospheric Photolysis Frequencies: Impact of an Improved Numerical Solution of the Radiative Transfer Equation (2000) | |||||||||||||
Abstract | |||||||||||||
| Stratospheric photolysis frequencies Impact improved numerical solution the radiative transfer equation Gaby Becker Jens Uwe Groo Daniel McKenna and Rolf uller Institute for Stratospheric Chemistry ICG Forschungszentrum ulich ulich Germany mail mueller juelich Citation Becker Gaby Groo Jens Uwe McKenna Daniel uller Rolf Stratospheric Photolysis Frequencies Impact Improved Numer ical Solution the Radiative Transfer Equation Journal Atmospheric Chemistry doi March Abstract Numerical schemes for the calculation photolysis rates are usually ployed simulations stratospheric chemistry Here present provement the treatment the use actinic widely used strato spheric photolysis scheme Lary and Pyle Atmos Chem discuss both the consequences this improvement and the correction error present earlier applications this scheme the calculation strato spheric photolysis frequencies The strongest impact both changes the scheme for small solar zenith angles The ect the improved treatment the use most pronounced the lower stratosphere and the troposphere Overall the change the calculated photolysis frequencies the region interest the stratosphere below about although larger deviations are found for O and HCl Introduction Through the discovery severe chemical ozone loss the polar regions winter and early spring WMO enormous research ort was triggered which was aimed the understanding this phenomenon One particular feature the chemistry ozone loss under these conditions that solar zenith angles are | |||||||||||||
Publication details | |||||||||||||
| |||||||||||||