NAST-I remote sensing and carbon monoxide

Daniel K. Zhou; William L. Smith; Allen M. Larar; Melody A. Avery; Jun Li; Xu Liu; Jean-Luc Moncet; Nikita S. Pougatchev

doi:10.1117/12.466043

9 April 2003 NAST-I remote sensing and carbon monoxide

Daniel K. Zhou, William L. Smith, Allen M. Larar, Melody A. Avery, Jun Li, Xu Liu, Jean-Luc Moncet, Nikita S. Pougatchev

Author Affiliations +

Proceedings Volume 4891, Optical Remote Sensing of the Atmosphere and Clouds III; (2003) https://doi.org/10.1117/12.466043
Event: Third International Asia-Pacific Environmental Remote Sensing Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2002, Hangzhou, China

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.

Citation Download Citation

Daniel K. Zhou, William L. Smith, Allen M. Larar, Melody A. Avery, Jun Li, Xu Liu, Jean-Luc Moncet, and Nikita S. Pougatchev "NAST-I remote sensing and carbon monoxide", Proc. SPIE 4891, Optical Remote Sensing of the Atmosphere and Clouds III, (9 April 2003); https://doi.org/10.1117/12.466043

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