Comparative analysis of sodar and ozone profile measurements in a complex structured boundary layer and implications for mixing height estimation |
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| Authors: | Frank Beyrich Ulrich Weisensee Detlev Sprung Hans Güsten |
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| Institution: | (1) Fakultät IV — Lehrstuhl für Umweltmeteorologie, Brandenburgische Technische Universität, PF 10 13 44, D — 03013 Cottbus, Germany;(2) Deutscher Wetterdienst, Meteorologisches Observatorium Lindenberg, D-15864 Lindenberg, Germany;(3) Institut für Meteorologie und Klimaforschung, Forschungszentrum Karlsruhe / Universität Karlsruhe, 3640, D — 76021 Postfach, Karlsruhe, Germany |
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| Abstract: | Profile data from simultaneous sodar and tethered balloon measurements have been analyzed with respect to the complex structure of the atmospheric boundary layer in the Upper Rhine Valley. Special attention was focused on ozone concentration profiles measured with a novel lightweight ozone sensor at the balloon. In general, good agreement was found between the signature of the ozone concentration profiles and special features of the backscattered sound intensity profiles. This allows reliable estimation of the mixing height from the sodar data even in a complex stable ABL, except for very shallow mixing layers (below about 75 m), which could not be detected by the sodar. |
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