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The ACE-MAESTRO instrument on SCISAT: description, performance, and preliminary results
C Thomas McElroy1, Caroline R Nowlan, James R Drummond
1Environment Canada, 4905 Dufferin Street, Toronto, Ontario, Canada M3H 5T4. tom.mcelroy@ec.gc.ca
Abstract:
The Measurement of Aerosol Extinction in the Stratosphere and Troposphere Retrieved by Occultation (MAESTRO) instrument on the SCISAT satellite is a simple, compact spectrophotometer for the measurement of atmospheric extinction, ozone, nitrogen dioxide, and other trace gases in the stratosphere and upper troposphere as part of the Atmospheric Chemistry Experiment (ACE) mission. We provide an overview of the instrument from requirements to realization, including optical design, prelaunch and on-orbit performance, and a preliminary examination of retrievals of ozone and NO(2).
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