Pilger, Christoph und Schmidt, Carsten und Streicher, Florian und Wüst, Sabine und Bittner, Michael (2013) Airglow observations of orographic, volcanic and meteorological infrasound signatures. Journal of Atmospheric and Solar-Terrestrial Physics, 104, Seiten 55-66. Elsevier. doi: 10.1016/j.jastp.2013.08.008. ISSN 1364-6826.
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Offizielle URL: http://www.elsevier.com/locate/jastp
Kurzfassung
Infrasound is generated by several different natural hazards as, e.g., volcanic eruptions and severe weather, but also due to orography (flow over mountains) or anthropogenic sources (e.g. explosions). It propagates from the surface to the middle and upper atmosphere, is characterized by pressure and temperature fluctuations on its path and is reflected back to the ground in so-called ducts. The effects of infrasound in terms of temperature fluctuations in the middle atmosphere, especially in the mesopause altitude region (80-100 km), can be observed using ground-based airglow spectrometers as, e.g., the GRIPS (GRound-based Infrared P19 branch Spectrometers) instruments of the German Aerospace Center (DLR). A method to identify and spectrally analyse infrasound signatures in mesopause temperature time series derived from nocturnal GRIPS airglow observations is presented. The automatic identification of spectral features in the observations and association to distinct infrasound sources is described. Source verification is performed by considering weather situations, volcanic activity and infrasound propagation modelling. The results in terms of identified infrasound sources of orographic, volcanic and meteorological origin are presented and discussed for different examples of a case study.
elib-URL des Eintrags: | https://elib.dlr.de/84081/ | ||||||||||||||||||||||||
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Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||||||||||
Titel: | Airglow observations of orographic, volcanic and meteorological infrasound signatures | ||||||||||||||||||||||||
Autoren: |
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Datum: | 2013 | ||||||||||||||||||||||||
Erschienen in: | Journal of Atmospheric and Solar-Terrestrial Physics | ||||||||||||||||||||||||
Referierte Publikation: | Ja | ||||||||||||||||||||||||
Open Access: | Nein | ||||||||||||||||||||||||
Gold Open Access: | Nein | ||||||||||||||||||||||||
In SCOPUS: | Ja | ||||||||||||||||||||||||
In ISI Web of Science: | Ja | ||||||||||||||||||||||||
Band: | 104 | ||||||||||||||||||||||||
DOI: | 10.1016/j.jastp.2013.08.008 | ||||||||||||||||||||||||
Seitenbereich: | Seiten 55-66 | ||||||||||||||||||||||||
Verlag: | Elsevier | ||||||||||||||||||||||||
ISSN: | 1364-6826 | ||||||||||||||||||||||||
Status: | veröffentlicht | ||||||||||||||||||||||||
Stichwörter: | Infrasound; Mesopause Airglow; Severe Weather; Volcanic Activity | ||||||||||||||||||||||||
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 - Vorhaben Datenprodukte für Klima- und Atmosphärenanwendungen (alt) | ||||||||||||||||||||||||
Standort: | Oberpfaffenhofen | ||||||||||||||||||||||||
Institute & Einrichtungen: | Deutsches Fernerkundungsdatenzentrum > Atmosphäre | ||||||||||||||||||||||||
Hinterlegt von: | Wagner, Karla | ||||||||||||||||||||||||
Hinterlegt am: | 26 Nov 2013 14:57 | ||||||||||||||||||||||||
Letzte Änderung: | 28 Mär 2023 23:41 |
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