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Evaluation of methods for gravity wave extraction from middle atmospheric lidar temperature measurements

Ehard, Benedikt and Kaifler, Bernd and Kaifler, Natalie and Rapp, Markus (2015) Evaluation of methods for gravity wave extraction from middle atmospheric lidar temperature measurements. Atmospheric Measurement Techniques, 8 (11), pp. 4645-4655. Copernicus Publications. doi: 10.5194/amt-8-4645-2015. ISSN 1867-1381.

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Official URL: http://www.atmos-meas-tech.net/8/4645/2015/amt-8-4645-2015.html

Abstract

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.

Item URL in elib:https://elib.dlr.de/100149/
Document Type:Article
Title:Evaluation of methods for gravity wave extraction from middle atmospheric lidar temperature measurements
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Ehard, BenediktDLR, IPAhttps://orcid.org/0000-0003-0517-8134UNSPECIFIED
Kaifler, BerndDLR, IPAUNSPECIFIEDUNSPECIFIED
Kaifler, NatalieDLR, IPAUNSPECIFIEDUNSPECIFIED
Rapp, MarkusDLR, IPAUNSPECIFIEDUNSPECIFIED
Date:2 September 2015
Journal or Publication Title:Atmospheric Measurement Techniques
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:8
DOI:10.5194/amt-8-4645-2015
Page Range:pp. 4645-4655
Publisher:Copernicus Publications
ISSN:1867-1381
Status:Published
Keywords:Middle Atmosphere, Lidar, Gravity Waves
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Atmospheric and climate research
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Lidar
Deposited By: Ehard, Benedikt
Deposited On:30 Nov 2015 11:48
Last Modified:21 Nov 2023 13:43

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