The semi-annual oscillation (SAO) in the upper troposphere and lower stratosphere (UTLS)
Abstract ∘) using high-quality satellite measurements, reanalysis data, and model simulations. We show the mechanism of its formation by an energy budget analysis. The temperature in the Northern Hemisphere (NH) UTLS shows the first peak in February according to the dynamical heating and shows the second peak in July due to the dynamical heating and moist processes. Similar to the NH, the austral winter time maximum temperature in the Southern Hemisphere (SH) is related to dynamical heating and the austral summer time maximum is related to both moisture and dynamical heating in the UTLS. Model simulations indicate that the SAO in the UTLS is partly affected by the existence of an SAO in sea surface temperatures (SSTs) in the SH mid-latitudes and weakly affected by the SAO in SSTs in the NH mid-latitudes.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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The semi-annual oscillation (SAO) in the upper troposphere and lower stratosphere (UTLS) ; volume:22 ; number:14 ; year:2022 ; pages:9499-9511 ; extent:13
Atmospheric chemistry and physics ; 22, Heft 14 (2022), 9499-9511 (gesamt 13)
- Urheber
- DOI
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10.5194/acp-22-9499-2022
- URN
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urn:nbn:de:101:1-2022072805235882795826
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
- 15.08.2025, 07:27 MESZ
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