A multi-decadal time series of upper stratospheric temperature profiles from Odin-OSIRIS limb-scattered spectra
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Published:2024-04-08
Issue:7
Volume:17
Page:1995-2010
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ISSN:1867-8548
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Container-title:Atmospheric Measurement Techniques
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language:en
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Short-container-title:Atmos. Meas. Tech.
Author:
Zawada Daniel, Dubé KimberleeORCID, Warnock Taran, Bourassa Adam, Tegtmeier SusannORCID, Degenstein Douglas
Abstract
Abstract. A new upper stratospheric (35–60 km) temperature data product has been produced using Optical Spectrograph and InfraRed Imager System (OSIRIS) limb-scattered spectra that now spans over 22 years. Temperature is calculated by first estimating the Rayleigh scattering signal and then integrating hydrostatic balance combined with the ideal gas law. Uncertainties are estimated to be 1–5 K, with a vertical resolution of 3–4 km. Correlative comparisons with the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) and the Microwave Limb Sounder on Aura (MLS) are consistent with these uncertainty estimates and generally have no regions of statistically significant drift. The data product has been publicly released as part of the nominal OSIRIS v7.3 processing.
Funder
Canadian Space Agency
Publisher
Copernicus GmbH
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