Intercomparison of ozone profiles measured by the new GOMOS, MIPAS, and SAGE-III instruments with ozonesonde, lidar, and microwave measurements at the Lauder and Mauna Loa NDSC sites

Details Intercomparison of ozone profiles measured by the new GOMOS, MIPAS, and SAGE-III instruments with ozonesonde, lidar, and microwave measurements at the Lauder and Mauna Loa NDSC sites Intercomparison of ozone profiles measured by the new GOMOS, MIPAS, and SAGE-III instruments with ozonesonde, lidar, and microwave measurements at the Lauder and Mauna Loa NDSC sites

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja....13793b&link_type=abstract

EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #13793

Computer Science

Scientific paper

New ozone-profiling instruments were launched during winter 2001-2002; data are now available from the European Space Agency's GOMOS and MIPAS aboard ENVISAT and NASA's SAGE-III aboard the Russian Meteor-3M spacecraft. GOMOS and SAGE-III measure ozone absorption of visible or ultraviolet radiation from celestial sources, while MIPAS measures ozone emission spectra in the infrared. Altitude ranges covered are about 12-100, 13-61, and 6-85 km for GOMOS, MIPAS, and SAGE-III, respectively. We present in this paper validation results for all three instruments based on overlapping ozonesonde, lidar, and microwave profiles measured at the Lauder, New Zealand NDSC site at 45 deg. S., and results for GOMOS and MIPAS using a similar set of profiles measured at the Mauna Loa NDSC site at 20 deg. N. Collectively, the NDSC measurements cover from the surface to 65 km at Lauder and 75 km at Mauna Loa. We note that rapid changes in ozone levels in the upper stratosphere and mesosphere at sunrise and sunset have complicated interpretation of past solar occultation measurements of ozone in these regions. This issue does not affect validation of upper stratospheric and mesospheric MIPAS and GOMOS measurements using ground-based NDSC microwave ozone emission profiles. SAGE-III is capable of making lunar occultation measurements but such measurements are not yet available. This validation work will support future ozone studies based on data from these new instruments over a wide range of altitudes, including those in the upper stratosphere and lower mesosphere.

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