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Combined Wind Measurements by Two Different Lidar Instruments in the Arctic Middle Atmosphere : Volume 5, Issue 3 (12/06/2012)

By Hildebrand, J.

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Book Id: WPLBN0003982714
Format Type: PDF Article :
File Size: Pages 34
Reproduction Date: 2015

Title: Combined Wind Measurements by Two Different Lidar Instruments in the Arctic Middle Atmosphere : Volume 5, Issue 3 (12/06/2012)  
Author: Hildebrand, J.
Volume: Vol. 5, Issue 3
Language: English
Subject: Science, Atmospheric, Measurement
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Hoppe, U., Fiedler, J., Baumgarten, G., Kaifler, B., Hildebrand, J., Lübken, F., & Williams, B. P. (2012). Combined Wind Measurements by Two Different Lidar Instruments in the Arctic Middle Atmosphere : Volume 5, Issue 3 (12/06/2012). Retrieved from

Description: Leibniz-Institute of Atmospheric Physics at the Rostock University, Kühlungsborn, Germany. During a joint campaign in January 2009 the Rayleigh/Mie/Raman (RMR) lidar and the sodium lidar at the ALOMAR Observatory (69° N, 16° E) in Northern Norway were operated simultaneously for more than 40 h, collecting data for wind measurements in the middle atmosphere from 30 up to 110 km altitude. At the upper (lower) altitude range where the RMR (sodium) lidar can operate, both lidars probe the same sounding volume, allowing to compare the derived wind speeds. We present the first simultaneous common volume wind measurements in the middle atmosphere using two different lidar instruments. The comparison of winds derived by RMR and sodium lidar is excellent for long integration times of 10 h as well as shorter ones of 1 h. Combination of data from both lidars allows identifying wavy structures between 30 and 110 km altitude, whose amplitudes increase with height. We have also performed lidar measurements of the same wind component using two independent branches of the RMR lidar and found a good agreement of the results but also identified inhomogeneities in the horizontal wind at about 55 km altitude of up to 20 ms−1. Such small scale inhomogeneities in the horizontal wind field are an essential challenge when comparing data from different instruments.

Combined wind measurements by two different lidar instruments in the Arctic middle atmosphere

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