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BUBBLE – an Urban Boundary Layer Meteorology Project

Rotach, Mathias and Vogt, Roland and Bernhofer, Christian and Batchvarova, E. and Christen, Andreas and Clappier, Alain and Feddersen, B. and Gryning, Sven and Martucci, G. and Mayer, Helmut and Mitev, Valery and Oke, Tim and Parlow, Eberhard and Richner, Hans and Roth, Mattias and Roulet, Y. and Ruffieux, Dominique and Salmond, Jennifer and Schatzmann, Michael and Voogt, James. (2005) BUBBLE – an Urban Boundary Layer Meteorology Project. Theoretical and applied climatology, Vol. 81. pp. 231-261.

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Official URL: http://edoc.unibas.ch/dok/A6319207

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Abstract

The Basel UrBan Boundary Layer Experiment (BUBBLE) was a year-long experimental effort to investigate in detail the boundary layer structure in the City of Basel, Switzerland. At several sites over different surface types (urban, sub-urban and rural reference) towers up to at least twice the main obstacle height provided turbulence observations at many levels. In addition, a Wind Profiler and a Lidar near the city center were profiling the entire lower troposphere. During an intensive observation period (IOP) of one month duration, several sub-studies on street canyon energetics and satellite ground truth, as well as on urban turbulence and profiling (sodar, RASS, tethered balloon) were performed. Also tracer experiments with near-roof-level release and sampling were performed. In parallel to the experimental activities within BUBBLE, a meso-scale numerical atmospheric model, which contains a surface exchange parameterization, especially designed for urban areas was evaluated and further developed. Finally, the area of the full-scale tracer experiment which also contains several sites of other special projects during the IOP (street canyon energetics, satellite ground truth) is modeled using a very detailed physical scale-model in a wind tunnel. In the present paper details of all these activities are presented together with first results. The Basel UrBan Boundary Layer Experiment (BUBBLE)was a year-long experimental effort to investigate indetail the boundary layer structure in the City of Basel,Switzerland. At several sites over different surface types(urban, sub-urban and rural reference) towers up to at leasttwice the main obstacle height provided turbulenceobservations at many levels. In addition, a Wind Profilerand a Lidar near the city center were profiling the entirelower troposphere. During an intensive observation period(IOP) of one month duration, several sub-studies on streetcanyon energetics and satellite ground truth, as well as onurban turbulen and profiling (sodar, RASS, tetheredballoon) were performed. Also tracer experiments withnear-roof-level release and sampling were performed. Inparallel to the experimental activities within BUBBLE, ameso-scale numerical atmospheric model, which contains asurface exchange parameterization, especially designed forurban areas was evaluated and further developed. Finally,the area of the full-scale tracer experiment which alsocontains several sites of other special projects during theIOP (street canyon energetics, satellite ground truth) ismodeled using a very detailed physical scale-model in awind tunnel. In the present paper details of all theseactivities are presented together with first results.
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Meteorologie, Klimatologie und Fernerkundung > Meteorologie (Parlow)
UniBasel Contributors:Parlow, Eberhard and Vogt, Roland
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Springer-Verlag
ISSN:0177-798X
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:05 Dec 2014 09:45
Deposited On:05 Dec 2014 09:45

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