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Long term SABER monitoring of composition and temperature changes in the stratosphere and mesosphere

Authors

Yue,  Jia
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Mlynczak,  Martin
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Russell,  James
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Yu,  Wandi
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Garcia,  Rolando
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Rezac,  Ladislav
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Citation

Yue, J., Mlynczak, M., Russell, J., Yu, W., Garcia, R., Rezac, L. (2023): Long term SABER monitoring of composition and temperature changes in the stratosphere and mesosphere, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-0504


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5015944
Abstract
The Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) instrument on NASA’s TIMED (Thermosphere Ionosphere Mesosphere Energetics Dynamics) satellite measure vertical profiles of kinetic temperature, pressure, geopotential height and volume mixing ratios of minor species such as CO2, H2O (two important greenhouse gases) since January 2001. With its two-solar-cycle record, we can quantify the long term changes of global temperature, CO2, and H2O and distinguish their solar cycle variations. In this talk, we will review the SABER measured linear trends of temperature, CO2 and H2O. Global temperature in the stratosphere and mesosphere has been cooling due to anthropogenic greenhouse gas, i.e., CO2. CO2 and H2O have also been observed to increase due to anthropogenic CO2 and CH4 emission and warming tropopause. Meanwhile, we will discuss the lessons we learnt while calculating the trends from SABER.