Pilger, Christoph and Schmidt, Carsten and Bittner, Michael (2013) Statistical analysis of infrasound signatures in airglow observations: Indications for acoustic resonance. Journal of Atmospheric and Solar-Terrestrial Physics, 93, pp. 70-79. Elsevier. DOI: 10.1016/j.jastp.2012.11.011 ISSN 1364-6826
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Abstract
The detection of infrasonic signals in temperature time series of the mesopause altitude region (at about 80-100 km) is performed at the German Remote Sensing Data Center of the German Aerospace Center (DLR-DFD) using GRIPS instrumentation (GRound-based Infrared P-branch Spectrometers). Mesopause temperature values with a temporal resolution of up to 10 seconds are derived from the observation of nocturnal airglow emissions and permit the identification of signals within the long-period infrasound range. Spectral intensities of wave signatures with periods between 2.5 and 10 minutes are estimated applying the wavelet analysis technique to one minute mean temperature values. Selected events as well as the statistical distribution of 40 months of observation are presented and discussed with respect to resonant modes of the atmosphere. The mechanism of acoustic resonance generated by strong infrasonic sources is a potential explanation of distinct features with periods between 3 and 5 minutes observed in the dataset.
Item URL in elib: | https://elib.dlr.de/82181/ | ||||||||||||
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Document Type: | Article | ||||||||||||
Title: | Statistical analysis of infrasound signatures in airglow observations: Indications for acoustic resonance | ||||||||||||
Authors: |
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Date: | 2013 | ||||||||||||
Journal or Publication Title: | Journal of Atmospheric and Solar-Terrestrial Physics | ||||||||||||
Refereed publication: | Yes | ||||||||||||
Open Access: | No | ||||||||||||
Gold Open Access: | No | ||||||||||||
In SCOPUS: | Yes | ||||||||||||
In ISI Web of Science: | Yes | ||||||||||||
Volume: | 93 | ||||||||||||
DOI : | 10.1016/j.jastp.2012.11.011 | ||||||||||||
Page Range: | pp. 70-79 | ||||||||||||
Publisher: | Elsevier | ||||||||||||
ISSN: | 1364-6826 | ||||||||||||
Status: | Published | ||||||||||||
Keywords: | Infrasound Mesopause airglow Acoustic resonance | ||||||||||||
HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||
HGF - Program: | Space | ||||||||||||
HGF - Program Themes: | Earth Observation | ||||||||||||
DLR - Research area: | Raumfahrt | ||||||||||||
DLR - Program: | R EO - Erdbeobachtung | ||||||||||||
DLR - Research theme (Project): | R - Vorhaben Datenprodukte für Klima- und Atmosphärenanwendungen (old) | ||||||||||||
Location: | Oberpfaffenhofen | ||||||||||||
Institutes and Institutions: | German Remote Sensing Data Center > Atmosphere | ||||||||||||
Deposited By: | Bittner, Prof.Dr.rer.nat. Michael | ||||||||||||
Deposited On: | 02 May 2013 09:26 | ||||||||||||
Last Modified: | 30 May 2019 22:05 |
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