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2014•Unpublished venueRequires access

Ozone Profile Retrieval from Global Ozone Monitoring Instrument

K. Chance, X. Liu, R. J. D. Spurr, Thomas P. Kurosu, Christopher E. Sioris, Randall V. Martin, Michael J. Newchurch, Pawan Kumar Bhartia

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Abstract

Abstract. Ozone (O3) profiles are derived from backscattered radiances in the ultraviolet spectra (290-340 nm) measured by the nadir-viewing Global Ozone Monitoring Experiment (GOME), with particular emphasis on improving tropospheric O3 retrieval using optimal estimation. To optimize the retrieval and improve the fitting precision needed for tropospheric O3, we perform extensive wavelength and radiometric calibrations and improve forward model inputs. Retrieved O3 profiles compare well with coincident ozonesonde measurements at Hohenpeibenberg and Lauder, and the integrated total O3 compares very well with Earth Probe TOMS data. Comparisons with retrievals using Phillips-Tikhonov regularization are also presented. 1.

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What this paper is about

Abstract. Ozone (O3) profiles are derived from backscattered radiances in the ultraviolet spectra (290-340 nm) measured by the nadir-viewing Global Ozone Monitoring Experiment (GOME), with particular emphasis on improving tropospheric O3 retrieval using optimal estimation. To optimize the retrieval and improve the fitting precision needed for tropospheric O3, we perform extensive wavelength and radiometric calibrations and improve forward model inputs. Retrieved O3 profiles compare well with coincident ozonesonde measurements at Hohenpeibenberg and Lauder, and the integrated total O3 compares very well with Earth Probe TOMS data. Comparisons with retrievals using Phillips-Tikhonov regularization are also presented. 1.

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Available abstract

Abstract. Ozone (O3) profiles are derived from backscattered radiances in the ultraviolet spectra (290-340 nm) measured by the nadir-viewing Global Ozone Monitoring Experiment (GOME), with particular emphasis on improving tropospheric O3 retrieval using optimal estimation. To optimize the retrieval and improve the fitting precision needed for tropospheric O3, we perform extensive wavelength and radiometric calibrations and improve forward model inputs. Retrieved O3 profiles compare well with coincident ozonesonde measurements at Hohenpeibenberg and Lauder, and the integrated total O3 compares very well with Earth Probe TOMS data. Comparisons with retrievals using Phillips-Tikhonov regularization are also presented. 1.

Key concepts: Tropospheric ozone, Remote sensing, Environmental science, Ozone, Nadir, Troposphere, Ozone Monitoring Instrument, Radiometry

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