Using ACE-FTS Measurements to Investigate the Variability of Ozone and Related Constituent Distributions in the Arctic (original) (raw)

Abstract

The Atmospheric Chemistry Experiment (ACE) is a Canadian satellite mission that was launched on-board the SCISAT platform in August 2003. The primary instrument for the ACE mission is a high-resolution (0.02 cm-1) infrared Fourier Transform Spectrometer (ACE-FTS) with a spectral range of 750-4400 cm-1. This instrument makes solar-occultation measurements of over 30 different atmospheric trace gases with well- resolved vertical profiles from the upper troposphere to the lower thermosphere (under cloud-free conditions). Since operational retrievals began in February 2004, over 15 000 occultation measurements have been made. The work shown here will highlight the development and first results of an Arctic trace-gas climatology, based on the first four years of ACE-FTS observations. Specifically, this study uses derived meteorological products to map the observations into equivalent latitude space and ultimately determine the variability of O3, HCl, ClONO2, HNO3, H2O, and ClO. By compar...

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