Convective gravity wave events during summer near 54° N, present in both AIRS and Rayleigh–Mie–Raman (RMR) lidar observations
Abstract µ m radiance observations from the Atmospheric Infrared Sounder (AIRS) on NASA's Aqua satellite, to horizontal brightness temperature variance in the 4.3 µ m AIRS channel (maximum sensitivity at around 40 km) and temperature perturbations in vertical lidar profiles (between 33-43 km) over Kühlungsborn, Germany (54.12∘ N, 11.77∘ E). Although the lidar and AIRS are sensitive to different parts of the gravity wave spectrum, they both capture the same peaks in gravity wave activity tied to convection. This suggests that a broad range of vertical wavelengths is present in the convective gravity waves. To account for wave propagation conditions from the troposphere to the stratosphere, we also consider the horizontal winds in the troposphere and stratosphere using the ECMWF Integrated Forecasting System (IFS) operational analysis. In this work, we highlight sporadic peaks in gravity wave activity in summer greatly exceeding those typical of summer, which is generally a season with lower wave activity compared to winter. Although these events are present in roughly half of the years (between 2003 and 2019), we focus our study on two case study years (2014 and 2015). These case study years were chosen because of the high cadence of lidar soundings close in time to the convective events. These events, while sporadic, could contribute significantly to the zonal mean momentum budget and are not accounted for in weather and climate models.
- 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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Convective gravity wave events during summer near 54° N, present in both AIRS and Rayleigh–Mie–Raman (RMR) lidar observations ; volume:24 ; number:2 ; year:2024 ; pages:1543-1558 ; extent:16
Atmospheric chemistry and physics ; 24, Heft 2 (2024), 1543-1558 (gesamt 16)
- Urheber
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Franco-Diaz, Eframir
Gerding, Michael
Holt, Laura
Strelnikova, Irina
Wing, Robin
Baumgarten, Gerd
Lübken, Franz-Josef
- DOI
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10.5194/acp-24-1543-2024
- URN
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urn:nbn:de:101:1-2024020803310379088142
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:21 MESZ
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Beteiligte
- Franco-Diaz, Eframir
- Gerding, Michael
- Holt, Laura
- Strelnikova, Irina
- Wing, Robin
- Baumgarten, Gerd
- Lübken, Franz-Josef
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