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Proceedings Paper

Science commissioning of the atmospheric chemistry experiment (ACE)
Author(s): Kaley A. Walker; Jiansheng Zou; Florian Nichitiu; Kathleen L. Gilbert; David Turnbull; C. Thomas McElroy; Wayne F. J. Evans; Chris S. Ferguson; Eldon Puckrin; Chris Boone; Sean D. McLeod; Michael Butler; Clive Midwinter; James R. Drummond; Peter F. Bernath
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Paper Abstract

The Atmospheric Chemistry Experiment (ACE) was launched in August 2003 on board the Canadian scientific satellite SciSat-1. The ACE payload consists of two instruments: ACE-FTS, a high resolution (0.02 cm-1) Fourier transform infrared spectrometer and MAESTRO (Measurement of Aerosol Extinction in the Stratosphere and Troposphere Retrieved by Occultation), a dual UV-visible-NIR spectrograph. Primarily, the two instruments use a solar occultation technique to make measurements of trace gases, temperature, pressure and atmospheric extinction. It will also be possible to make near-nadir observations with the ACE instruments. The on-orbit commissioning of the instruments and spacecraft were undertaken in the months following launch. At the end of this period, a series of science-oriented commissioning activities were undertaken. These activities had two aims: the first was to verify and extend the measurement results obtained during the pre-launch Science Calibration Test campaign and the second was to confirm appropriate parameters and establish procedures for operational measurements (occultation and near-nadir observations and exo-atmospheric calibration measurements). One of the most important activities was to determine the relative location of each instrument field of view and optimize the pointing of the sun-tracker to provide the best viewing for both instruments.

Paper Details

Date Published: 26 October 2004
PDF: 8 pages
Proc. SPIE 5542, Earth Observing Systems IX, (26 October 2004); doi: 10.1117/12.559941
Show Author Affiliations
Kaley A. Walker, Univ. of Waterloo (Canada)
Jiansheng Zou, Univ. of Toronto (Canada)
Florian Nichitiu, Univ. of Toronto (Canada)
Kathleen L. Gilbert, Univ. of Waterloo (Canada)
David Turnbull, Univ. of Waterloo (Canada)
C. Thomas McElroy, Meteorological Service of Canada (Canada)
Wayne F. J. Evans, Trent Univ. (Canada)
Chris S. Ferguson, Trent Univ. (Canada)
Eldon Puckrin, Defence Research and Development Canada/Valcartier (Canada)
Chris Boone, Univ. of Waterloo (Canada)
Sean D. McLeod, Univ. of Waterloo (Canada)
Michael Butler, Univ. of Waterloo (Canada)
Univ. of Toronto (Canada)
Clive Midwinter, Univ. of Toronto (Canada)
James R. Drummond, Univ. of Toronto (Canada)
Peter F. Bernath, Univ. of Waterloo (Canada)

Published in SPIE Proceedings Vol. 5542:
Earth Observing Systems IX
William L. Barnes; James J. Butler, Editor(s)

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