Satellite measurements of ozone and water vapour in the mesosphere

Details Satellite measurements of ozone and water vapour in the mesosphere Satellite measurements of ozone and water vapour in the mesosphere

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja....12587k&link_type=abstract

EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #12587

Computer Science

Scientific paper

During its two missions in November 1994 and August 1997 the CRISTA (CRyogenic Infrared Spectrometers and Telescopes for the Atmosphere) experiment measured infrared emissions by atmospheric gases from 4 to 71 μm. Using a non-LTE model that couples the collisional, radiative, chemical and photochemical processes, the number densities of ozone were retrieved in the mesosphere and lower thermosphere. The number densities of water vapour were retrieved from H_2O pure rotational lines in the vibrational ground-state at 16.9 μm. The retrieval gives one of the most comprehensive data sets of H_2O and O_3 day- and nighttime densities in the mesosphere. Tidal signatures are visible in nighttime ozone data at the equator. During CRISTA-2 nighttime ozone densities are increasing towards high southern latitudes in anti-correlation with increasing water vapour densities.

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