Release 2 data products from the Ozone Mapping and Profiler Suite (OMPS) Limb Profiler

Philippe Q. Xu; Pawan K. Bhartia; Glen R. Jaross; Matthew T. DeLand; Jack C. Larsen; Albert Fleig; Daniel Kahn; Tong Zhu; Zhong Chen; Nick Gorkavyi; Jeremy Warner; Michael Linda; Hong G. Chen; Mark Kowitt; Michael Haken; Peter Hall

doi:10.1117/12.2067320

17 October 2014 Release 2 data products from the Ozone Mapping and Profiler Suite (OMPS) Limb Profiler

Philippe Q. Xu, Pawan K. Bhartia, Glen R. Jaross, Matthew T. DeLand, Jack C. Larsen, Albert Fleig, Daniel Kahn, Tong Zhu, Zhong Chen, Nick Gorkavyi, Jeremy Warner, Michael Linda, Hong G. Chen, Mark Kowitt, Michael Haken, Peter Hall

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Proceedings Volume 9242, Remote Sensing of Clouds and the Atmosphere XIX; and Optics in Atmospheric Propagation and Adaptive Systems XVII; 92420K (2014) https://doi.org/10.1117/12.2067320
Event: SPIE Remote Sensing, 2014, Amsterdam, Netherlands

Abstract

The OMPS Limb Profiler (LP) was launched on board the NASA Suomi National Polar-orbiting Partnership (SNPP) satellite in October 2011. OMPS-LP is a limb-scattering hyperspectral sensor that provides ozone profiling capability at 1.8 km vertical resolution from cloud top to 60 km altitude. The use of three parallel slits allows global coverage in approximately four days. We have recently completed a full reprocessing of all LP data products, designated as Release 2, that improves the accuracy and quality of these products. Level 1 gridded radiance (L1G) changes include intra-orbit and seasonal correction of variations in wavelength registration, revised static and intra-orbit tangent height adjustments, and simplified pixel selection from multiple images. Ozone profile retrieval changes include removal of the explicit aerosol correction, exclusion of channels contaminated by stratospheric OH emission, a revised instrument noise characterization, improved synthetic solar spectrum, improved pressure and temperature ancillary data, and a revised ozone climatology. Release 2 data products also include aerosol extinction coefficient profiles derived with the prelaunch retrieval algorithm. Our evaluation of OMPS LP Release 2 data quality is good. Zonal average ozone profile comparisons with Aura MLS data typically show good agreement, within 5-10% over the altitude range 20-50 km between 60°S and 60°N. The aerosol profiles agree well with concurrent satellite measurements such as CALIPSO and OSIRIS, and clearly detect exceptional events such as volcanic eruptions and the Chelyabinsk bolide in February 2013.

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Philippe Q. Xu, Pawan K. Bhartia, Glen R. Jaross, Matthew T. DeLand, Jack C. Larsen, Albert Fleig, Daniel Kahn, Tong Zhu, Zhong Chen, Nick Gorkavyi, Jeremy Warner, Michael Linda, Hong G. Chen, Mark Kowitt, Michael Haken, and Peter Hall "Release 2 data products from the Ozone Mapping and Profiler Suite (OMPS) Limb Profiler", Proc. SPIE 9242, Remote Sensing of Clouds and the Atmosphere XIX; and Optics in Atmospheric Propagation and Adaptive Systems XVII, 92420K (17 October 2014); https://doi.org/10.1117/12.2067320

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KEYWORDS

Ozone

Aerosols

Ultraviolet radiation

Mass attenuation coefficient

Satellites

Data modeling

Clouds

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