Computer Science – Sound
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja.....8629g&link_type=abstract
EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #8629
Computer Science
Sound
Scientific paper
Major discrepancies between observed and simulated ozone loss have been found for several Arctic winters: chemical simulations for early winter cannot reproduce the high ozone depletion rates derived from observations. In this study, ozone loss in the Southern Hemisphere is examined in August 1997. A 3-D simulation of the Chemical Lagrangian Model of the Stratosphere (CLaMS) was initialized on August 9, 1997 using data from the Microwave Limb Sounder (MLS) and the CRyogenic Infrared Spectrometers and Telescopes for the Atmosphere (CRISTA-2). The simulation is able to reproduce chlorine activation since the simulated ClO agrees with observations from MLS within the experimental accuracy. Both from simulations and observations it is evident that the ozone depletion in the considered time period is not homogeneously distributed within the polar vortex. It is almost exclusively located at latitudes around 70 degrees S, where air masses have been exposed both to sunlight and low temperatures. The qualitative agreement between observations and simulations is good. However, there is a quantitative discrepancy between observed and simulated ozone loss.
Grooß Jens-Uwe
Hoffmann Lore
Konopka Paul
Müller Reto
Riese Mikko
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