Preliminary results of lidar based studies of the aerosol vertical distribution in the lower troposphere over urban coastal areas

• Autorzy: Hałas M. , Błaszczak Z. , Grabowski J. , Papayannis A. , Zieliński T.
• Języki publikacji: EN

Abstrakty

EN

The paper reports the results of lidar measurements performed in the lower troposphere during several measurement sessions in Athens (Greece) in 2000. For the sake of comparison, results of a similar study performed in Kołobrzeg (Poland) in 2001 are also given. These data indicate that the exhaust gases produced by motor transportation in the cities resulted in the formation of an inversion layer. The rate of convection of the inversion layer depends on the intensity of sunlight, the strength of winds and the morphology of the land. The inversion layer reaches the highest altitudes in the middle of summer, lower in early and late summer and the lowest in autumn. Over the sea the inversion layer altitude extends to several meters, but on moving inland it rises to a few hundred meters.

Słowa kluczowe

EN

aerosol; vertical profile; urban area; lidar

• Wydawca: Polish Academy of Sciences, Institute of Oceanology ; Elsevier
• Czasopismo: Oceanologia
• Rocznik: 2004
• Tom: No. 46 (3)
• Strony: 347--364
• Opis fizyczny: Bibliogr. 34 poz., rys., wykr.

Twórcy

autor

Hałas M.

• Optics Division, Faculty of Physics, A. Mickiewicz University, Umultowska 85, PL-60-614 Poznań, Poland

autor

Błaszczak Z.

• Optics Division, Faculty of Physics, A. Mickiewicz University, Umultowska 85, PL-60-614 Poznań, Poland

autor

Grabowski J.

• Institute of Physics, Technical University, Nieszawska 13a, PL-60-965 Poznań, Poland

autor

Papayannis A.

• Department of Physics, Technical University of Athens, Athens, Greece

autor

Zieliński T.

• Institute of Oceanology, Polish Academy of Sciences, Powstańców Warszawy 55, PL-81-712 Sopot, Poland

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