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Proceedings Paper

NAST-I remote sensing and carbon monoxide
Author(s): Daniel K. Zhou; William L. Smith; Allen M. Larar; Melody A. Avery; Jun Li; Xu Liu; Jean-Luc Moncet; Nikita S. Pougatchev
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Paper Abstract

Infrared radiance spectra from near nadir observations have provided information about tropospheric carbon monoxide (CO). The NPOESS Airborne Sounder Testbed-Interferometer (NAST-I) aboard a high altitude aircraft with a spectral coverage of 650-2700 cm-1 and a spectral resolution of 0.25 cm-1 has been successfully collecting the data during many field campaigns. The spectral sensitivity of CO retrievals to uncertainties in atmospheric temperature, water vapor, and surface properties is assessed in order to understand the correlation between the IR emission and the atmospheric and surface state. The profiles are determined using a three-stage approach that combines three algorithms: (1) statistical eigenvector regression, (2) simultaneous non-linear matrix inversion, and (3) CO-physical iteration retrieval. Retrieved CO abundances are obtained in addition to temperature, moisture, ozone profiles, and surface properties. Preliminary results from several NAST-I field campaigns are presented including those from observations over the western Pacific Ocean made in conjunction with airborne truth atmospheric chemistry profiles associated with the TRACE-P campaign.

Paper Details

Date Published: 9 April 2003
PDF: 9 pages
Proc. SPIE 4891, Optical Remote Sensing of the Atmosphere and Clouds III, (9 April 2003); doi: 10.1117/12.466043
Show Author Affiliations
Daniel K. Zhou, NASA Langley Research Ctr. (United States)
William L. Smith, NASA Langley Research Ctr. (United States)
Allen M. Larar, NASA Langley Research Ctr. (United States)
Melody A. Avery, NASA Langley Research Ctr. (United States)
Jun Li, University of Wisconsin - Madison (United States)
Xu Liu, Atmospheric and Environmental Research, Inc. (United States)
Jean-Luc Moncet, Atmospheric and Environmental Research, Inc. (United States)
Nikita S. Pougatchev, Christopher Newport Univ. (United States)


Published in SPIE Proceedings Vol. 4891:
Optical Remote Sensing of the Atmosphere and Clouds III
Hung-Lung Huang; Daren Lu; Yasuhiro Sasano, Editor(s)

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