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www.adv-radio-sci.net/6/331/2008/
doi:10.5194/ars-6-331-2008
© Author(s) 2008. This work is distributed
under the Creative Commons Attribution 3.0 License.
Low-frequency lower E-region wind and reflection height measurements as sensor for climate variability
Institute for Meteorology, University of Leipzig, Stephanstr. 3, 04103 Leipzig, Germany
Abstract. Measurements of reflection heights of low-frequency (LF) radio waves at oblique incidence and estimates of mesosphere/lower thermosphere (MLT) region horizontal winds applying the D1 spaced receiver method on LF field strength registrations are analyzed with respect to possible long-term trends and interdecadal variability in the time interval from ~1980 to date. While no clear signal of mesospheric height trend is registered during the last two decades, significant trends of MLT horizontal winds are found. These trends are non-linear, in particular a change of trends around 1990 is found, which is probably connected with changes in tropospheric and stratospheric conditions at that time.
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Citation: Jacobi, C.: Low-frequency lower E-region wind and reflection height measurements as sensor for climate variability, Adv. Radio Sci., 6, 331-335, doi:10.5194/ars-6-331-2008, 2008. Bibtex EndNote Reference Manager XML
