Retrieval of global mesospheric sodium densities from the Odin satellite

Gumbel, J., Fan, Z. Y., Waldemarsson, T., Stegman, J., Witt, G., Llewellyn, E. J., She, C.-Y. and Plane, J. M. C. (2007) Retrieval of global mesospheric sodium densities from the Odin satellite. Geophysical Research Letters, 34 (4). ISSN 1944-8007

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Abstract

Satellite observations of the Na D dayglow at 589 nm provide a global database for the climatology of the mesospheric sodium layer. More than five years of Na D limb observations are available from the Optical Spectrograph and InfraRed Imager System onboard the Odin satellite. We describe a robust retrieval method that provides individual sodium density profiles with a typical accuracy of 20% and altitude resolution of 2 km. Retrieved column abundances and density profiles are validated against sodium resonance lidar measurements at mid-latitudes. Examples of the seasonal and latitudinal variation of the sodium layer illustrate Odin's potential for climatological studies of mesospheric metals.

Item Type: Article
Faculty \ School: Faculty of Science > School of Environmental Sciences
Depositing User: Rosie Cullington
Date Deposited: 27 Feb 2011 08:43
Last Modified: 23 Jul 2024 14:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/25177
DOI: 10.1029/2006GL028687

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