Publication


D. Gomez-Ramirez, et al.
Empirical correction of thermal responses in the Solar Occultation for Ice Experiment nitric oxide measurements and initial data validation results
Applied Optics, 52(13), 2950-2959, 2013; doi: 10.1364/AO.52.002950
NO Atmospheric composition Thermal effects Remote sensing sensors
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Abstract


The Solar Occultation for Ice Experiment (SOFIE) makes broadband transmission measurements centered at 5.32\&\#xA0;\&\#x3BC;m 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\&\#xA0;km versus coincident atmospheric chemistry experiment\&\#x2014;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 \&\#x2212;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.

Reference


@article{Gomez-Ramirez:13,
  author = "D. Gomez-Ramirez and J. W. C. McNabb and J. M. Russell and M. E. Hervig and L. E. Deaver and G. Paxton and P. F. Bernath",
  title = "Empirical correction of thermal responses in the Solar Occultation for Ice Experiment nitric oxide measurements and initial data validation results",
  year = 2013,
  journal = "Applied Optics",
  publisher = "OSA",
  volume = 52,
  number = 13,
  pages = "2950-2959",
  month = "May",
  keywords = "NO, Atmospheric composition, Thermal effects, Remote sensing, sensors",
  doi = "10.1364/AO.52.002950",
  url = "http://ao.osa.org/abstract.cfm?URI=ao-52-13-2950"
}
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