Field measurements within a quarter of a city including a street canyon to produce a validation data set Online publication date: Wed, 31-Aug-2005
by Klaus Schafer, Stefan Emeis, Herbert Hoffmann, Carsten Jahn, Wolfgang J. Muller, Bernd Heits, Dirk Haase, Wolf-Dieter Drunkenmolle, Wolfgang Bachlin, K. Heinke Schlunzen, Bernd Leitl, Frauke Paschek, Michael Schatzmann
International Journal of Environment and Pollution (IJEP), Vol. 25, No. 1/2/3/4, 2005
Abstract: Air pollutants and meteorological parameters were measured continuously by in situ instruments, path-averaging techniques (up to three DOAS systems), and SODAR inside a street canyon and in the surrounding area of 1 km x 1 km (Gottinger Strasse in Hanover, Germany) from 2001 until 2003 which are available in the data bank ValiData for validation of microscale models. During three IOPs tracer experiments with a SF6 line source, sampling techniques of up to 15 sites and path-averaging FTIR spectrometry were performed. Concentration measurement results at roof level were anti-correlated with SODAR mixing layer heights, while those inside the street canyon are not. Re-circulation flow patterns inside the street canyon were studied together with corresponding wind tunnel experiments.
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