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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 13 — May. 1, 2013
  • pp: 2950–2959

Empirical correction of thermal responses in the Solar Occultation for Ice Experiment nitric oxide measurements and initial data validation results

David Gómez-Ramírez, John W. C. McNabb, James M. Russell, III, Mark E. Hervig, Lance E. Deaver, Greg Paxton, and Peter F. Bernath  »View Author Affiliations


Applied Optics, Vol. 52, Issue 13, pp. 2950-2959 (2013)
http://dx.doi.org/10.1364/AO.52.002950


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Abstract

The Solar Occultation for Ice Experiment (SOFIE) makes broadband transmission measurements centered at 5.32 μm to determine the concentration profile of nitric oxide (NO). These measurements show a signal oscillation due to detector temperature variations that severely limit the accuracy of NO retrievals if corrections are not applied. An empirical correction was developed to remove this instrumental error. This paper describes the correction, its impact on the retrieval, and presents a comparison from 87 to 105 km versus coincident atmospheric chemistry experiment—Fourier transform spectrometer (ACE-FTS) measurements. The southern hemisphere (SH) shows excellent agreement between the datasets, with statistically insignificant differences. The northern hemisphere (NH) SOFIE measurements exhibit a low bias of 18.5% compared to ACE-FTS. NH measurements (sunrise observations) are still under study, and only SH NO data (sunset observations) are currently publicly available as of SOFIE data version 1.2.

© 2013 Optical Society of America

OCIS Codes
(010.1280) Atmospheric and oceanic optics : Atmospheric composition
(120.6810) Instrumentation, measurement, and metrology : Thermal effects
(010.0280) Atmospheric and oceanic optics : Remote sensing and sensors

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: August 21, 2012
Revised Manuscript: March 5, 2013
Manuscript Accepted: March 29, 2013
Published: April 22, 2013

Citation
David Gómez-Ramírez, John W. C. McNabb, James M. Russell, Mark E. Hervig, Lance E. Deaver, Greg Paxton, and Peter F. Bernath, "Empirical correction of thermal responses in the Solar Occultation for Ice Experiment nitric oxide measurements and initial data validation results," Appl. Opt. 52, 2950-2959 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-13-2950

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