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Simultaneous retrieval of atmospheric CO2 and light path modification from space-based spectroscopic observations of greenhouse gases: methodology and application to GOSAT measurements over TCCON sites |
Applied Optics, Vol. 52, Issue 6, pp. 1339-1350 (2013)
http://dx.doi.org/10.1364/AO.52.001339
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Abstract
This paper presents an improved photon path length probability density function method that permits simultaneous retrievals of column-average greenhouse gas mole fractions and light path modifications through the atmosphere when processing high-resolution radiance spectra acquired from space. We primarily describe the methodology and retrieval setup and then apply them to the processing of spectra measured by the Greenhouse gases Observing SATellite (GOSAT). We have demonstrated substantial improvements of the data processing with simultaneous carbon dioxide and light path retrievals and reasonable agreement of the satellite-based retrievals against ground-based Fourier transform spectrometer measurements provided by the Total Carbon Column Observing Network (TCCON).
© 2013 Optical Society of America
OCIS Codes
(290.1090) Scattering : Aerosol and cloud effects
(300.6320) Spectroscopy : Spectroscopy, high-resolution
(280.4991) Remote sensing and sensors : Passive remote sensing
(010.5620) Atmospheric and oceanic optics : Radiative transfer
ToC Category:
Remote Sensing and Sensors
History
Original Manuscript: October 18, 2012
Revised Manuscript: December 23, 2012
Manuscript Accepted: December 25, 2012
Published: February 19, 2013
Citation
Sergey Oshchepkov, Andrey Bril, Tatsuya Yokota, Yukio Yoshida, Thomas Blumenstock, Nicholas M. Deutscher, Susanne Dohe, Ronald Macatangay, Isamu Morino, Justus Notholt, Markus Rettinger, Christof Petri, Matthias Schneider, Ralf Sussman, Osamu Uchino, Voltaire Velazco, Debra Wunch, and Dmitry Belikov, "Simultaneous retrieval of atmospheric CO2 and light path modification from space-based spectroscopic observations of greenhouse gases: methodology and application to GOSAT measurements over TCCON sites," Appl. Opt. 52, 1339-1350 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-6-1339
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