Comparison of mesopause region meteor radar winds, medium. frequency radar winds and low frequency drifts over Germany

被引：38

作者：

Jacobi, Ch. ^{[1
]}

Arras, C. ^{[2
]}

Kuerschner, D. ^{[3
]}

Singer, W. ^{[4
]}

Hoffmann, P. ^{[4
]}

Keuer, D. ^{[4
]}

机构：

[1] Univ Leipzig, Inst Meteorol, D-04103 Leipzig, Germany

[2] Geoforschungszentrum Potsdam, Dept 1, D-14473 Potsdam, Germany

[3] Univ Leipzig, Inst Geol & Geophys, D-04779 Wermsdorf, Germany

[4] Leibniz Inst Atmospher Phys, D-18225 Kuhlungsborn, Germany

来源：

ADVANCES IN SPACE RESEARCH | 2009年 / 43卷 / 02期

关键词：

Mesosphere/lower thermosphere; Radar winds; Middle atmosphere dynamics; MESOSPHERE LOWER THERMOSPHERE; SEASONAL-VARIATIONS; DIURNAL TIDES; MODEL; PARAMETERS; HEIGHT; FIELD; MLT; MF;

D O I：

10.1016/j.asr.2008.05.009

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

During 2004 and 2005 measurements of mesospheric/lower thermospheric (80-100 km) winds have been carried out ill Germany using three different ground-based systems, namely a meteor radar (36.2 MHz) at the Collm Observatory (51.3 degrees N, 13 degrees E), a MF radar (3.18 MHz) at Julitisruh (54.6 degrees N, 13.4 degrees E) and the LF DI measurements using a transmitter (177 kHz) at Zehlendorf near Berlin and receivers at Collin with the reflection point at 52.1 degrees N, 13.2 degrees E. This provides the possibility of comparing the results of different radar systems in nearly the same measuring volume. Meteor radar winds are generally stronger than the winds observed by MF and especially by LF radars. This difference is small near 80 km but increases with height. The difference between meteor radar and medium frequency radar winds is larger during winter than during summer, which might indicate an indirect influence of gravity waves on spaced antenna measurements. (C) 2008 COSPAR. Published by Elsevier Ltd. All rights reserved.

引用

页码：247 / 252

页数：6

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