Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 17, issue 2
Articles | Volume 17, issue 2
https://doi.org/10.5194/acp-17-793-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-17-793-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 17, issue 2
Research article
 | 
18 Jan 2017
Research article |  | 18 Jan 2017

Tropical temperature variability and Kelvin-wave activity in the UTLS from GPS RO measurements

Barbara Scherllin-Pirscher, William J. Randel, and Joowan Kim

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Short summary
Tropical temperature variability and associated Kelvin-wave activity are investigated from 10 km to 30 km using 13 years of high-resolution observational data. Strongest temperature variability is found in the tropical tropopause region between about 16 km and 20 km, where peaks of Kelvin-wave activity are irregularly distributed in time. Detailed knowledge of dynamical processes in the tropical tropopause region is an essential part of better understanding climate variability and change.
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