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Ehard, Benedikt und Kaifler, Bernd und Kaifler, Natalie und Rapp, Markus (2015) Evaluation of methods for gravity wave extraction from middle atmospheric lidar temperature measurements. Atmospheric Measurement Techniques Discussions (AMTD), 8 (9), Seiten 9045-9074. Copernicus Publications. doi: 10.5194/amtd-8-9045-2015. ISSN 1867-8610.
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Offizielle URL: http://www.atmos-meas-tech-discuss.net/8/9045/2015/amtd-8-9045-2015.html
Kurzfassung
This study evaluates commonly used methods of extracting gravity wave induced temperature perturbations from lidar measurements. The spectral response of these methods is characterized with the help of a synthetic dataset with known temperature perturbations added to a realistic background temperature profile. The simulations are carried out with the background temperature being either constant or varying in time to evaluate the sensitivity to temperature perturbations not caused by gravity waves. The different methods are applied to lidar measurements over new Zealand and the performance of the algorithms is evaluated. We find that the Butterworth filter performs best if gravity waves over a wide range of periods are to be extracted from lidar temperature measurements. The running mean method gives good results if only gravity waves with short periods are to be analyzed.
| elib-URL des Eintrags: | https://elib.dlr.de/98078/ | ||||||||||||||||||||
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| Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||||||
| Titel: | Evaluation of methods for gravity wave extraction from middle atmospheric lidar temperature measurements | ||||||||||||||||||||
| Autoren: |
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| Datum: | 2 September 2015 | ||||||||||||||||||||
| Erschienen in: | Atmospheric Measurement Techniques Discussions (AMTD) | ||||||||||||||||||||
| Referierte Publikation: | Nein | ||||||||||||||||||||
| Open Access: | Ja | ||||||||||||||||||||
| Gold Open Access: | Ja | ||||||||||||||||||||
| In SCOPUS: | Nein | ||||||||||||||||||||
| In ISI Web of Science: | Nein | ||||||||||||||||||||
| Band: | 8 | ||||||||||||||||||||
| DOI: | 10.5194/amtd-8-9045-2015 | ||||||||||||||||||||
| Seitenbereich: | Seiten 9045-9074 | ||||||||||||||||||||
| Verlag: | Copernicus Publications | ||||||||||||||||||||
| ISSN: | 1867-8610 | ||||||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||||||
| Stichwörter: | Middle Atmosphere, Lidar, Gravity Waves | ||||||||||||||||||||
| HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||
| HGF - Programm: | Raumfahrt | ||||||||||||||||||||
| HGF - Programmthema: | Erdbeobachtung | ||||||||||||||||||||
| DLR - Schwerpunkt: | Raumfahrt | ||||||||||||||||||||
| DLR - Forschungsgebiet: | R EO - Erdbeobachtung | ||||||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | R - Atmosphären- und Klimaforschung | ||||||||||||||||||||
| Standort: | Oberpfaffenhofen | ||||||||||||||||||||
| Institute & Einrichtungen: | Institut für Physik der Atmosphäre > Lidar | ||||||||||||||||||||
| Hinterlegt von: | Ehard, Benedikt | ||||||||||||||||||||
| Hinterlegt am: | 07 Sep 2015 13:23 | ||||||||||||||||||||
| Letzte Änderung: | 10 Jan 2019 15:54 |
Verfügbare Versionen dieses Eintrags
- Evaluation of methods for gravity wave extraction from middle atmospheric lidar temperature measurements. (deposited 07 Sep 2015 13:23) [Gegenwärtig angezeigt]
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