A doppler sodar case study of top-down convection and convective dissipation of stratus

von Hünerbein, S ORCID: https://orcid.org/0000-0003-1796-7173 and Richner, H 2002, 'A doppler sodar case study of top-down convection and convective dissipation of stratus' , Journal of Atmospheric and Oceanic Technology, 19 (8) , pp. 1170-1180.

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Abstract

Stratus dissipation over the Swiss Plateau has long been a forecasting problem. A case study of stratus structure and development was conducted during the winter of 1997/98. Measurements were performed with the monostatic Doppler sodar of the Swiss Federal Institute of Technology, Zürich, to supplement conventional observation methods. A pyranometer, a second sodar, and a sonic anemometer were also intermittently available. Sodar echo patterns and vertical velocity data have been investigated with respect to the inversion height, especially during stratus dissipation. Typical cloud-dissipating processes, such as convection, top-down convection, and advection have been discerned. The results show that sodar measurements can supplement other observation methods in a useful way, especially when the data analysis of echo patterns and high-resolution vertical velocities are combined.

Item Type:	Article
Themes:	Subjects / Themes > Q Science > QC Physics > QC851-999 Meteorology - Climatology Subjects / Themes > Q Science > QC Physics > QC221-246 Acoustics - Sound Subjects outside of the University Themes
Schools:	Schools > School of the Built Environment Schools > School of Computing, Science and Engineering > Salford Innovation Research Centre (SIRC)
Journal or Publication Title:	Journal of Atmospheric and Oceanic Technology
Publisher:	American Meteorological Society
Refereed:	Yes
ISSN:	1520-0426
Depositing User:	H Kenna
Date Deposited:	19 Sep 2007 10:52
Last Modified:	18 Feb 2019 12:54
URI:	http://usir.salford.ac.uk/id/eprint/476

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