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 Title: THE ATMOSPHERIC CHEMISTRY EXPERIMENT (ACE): LATEST RESULTS Author(s): Bernath, Peter F. Subject(s): Atmospheric science Abstract: ACE (also known as SCISAT) is making a comprehensive set of simultaneous measurements of numerous trace gases, thin clouds, aerosols and temperature by solar occultation from a satellite in low earth orbit. A high inclination orbit gives ACE coverage of tropical, mid-latitudes and polar regions. The primary instrument is a high-resolution (0.02 cm$^{-1}$) infrared Fourier Transform Spectrometer (FTS) operating in the 750--4400 cm$^{-1}$ region, which provides the vertical distribution of trace gases, and the meteorological variables of temperature and pressure. Aerosols and clouds are being monitored through the extinction of solar radiation using two filtered imagers as well as by their infrared spectra. After 14 years in orbit, the ACE-FTS is still operating well. A short introduction and overview of the ACE mission will be presented (see http://www.ace.uwaterloo.ca for more information). This talk will focus on recent ACE results and comparisons with chemical transport models. Issue Date: 6/19/2017 Publisher: International Symposium on Molecular Spectroscopy Citation Info: APS Genre: CONFERENCE PAPER/PRESENTATION Type: Text Language: English URI: http://hdl.handle.net/2142/96994 DOI: 10.15278/isms.2017.MJ08 Date Available in IDEALS: 2017-07-272018-01-29
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