Prodromos Zanis

Learn More
Evidence of impact of aviation on cirrus cloud formation C. S. Zerefos, K. Eleftheratos, D. S. Balis, P. Zanis, G. Tselioudis, and C. Meleti Laboratory of Climatology & Atmospheric Environment, Faculty of Geology, National & Kapodistrian University of Athens, Greece Laboratory of Atmospheric Physics, Aristotle University of Thessaloniki, Greece Research(More)
Observations show that the Mediterranean troposphere is characterized by a marked enhancement in summertime ozone, with a maximum over the eastern Mediterranean. This has been linked to enhanced photochemical ozone production and subsidence under cloud-free anticyclonic conditions. The eastern Mediterranean is among the regions with the highest levels of(More)
This study investigates the effects of the total solar eclipse of 29 March 2006 on surface air-quality levels over Greece based on observations at a number of sites in conjunction with chemical box modelling and 3-D air-quality modelling. Emphasis is given on surface ozone and other photooxidants at four Greek sites Kastelorizo, Finokalia (Crete), Pallini(More)
Seasonal variability of measured Ozone production efficiencies in the lower free troposphere of Central Europe P. Zanis, A. Ganser, C. Zellweger, S. Henne, M. Steinbacher, and J. Staehelin Research Centre for Atmospheric Physics and Climatology, Academy of Athens, Athens, Greece Institute for Atmospheric and Climate Science, ETH Zurich, Switzerland Swiss(More)
In the current work we present six hindcast WRF (Weather Research and Forecasting model) simulations for the EURO-CORDEX (European Coordinated Regional Climate Downscaling Experiment) domain with different configurations in microphysics, convection and radiation for the time period 1990–2008. All regional model simulations are forced by the ERA-Interim(More)
1 Laboratory of Climatology & Atmospheric Environment, University of Athens, Greece 2 Foundation for Biomedical Research, Academy of Athens, Greece 3 National Observatory of Athens, Greece 4 Research Centre for Atmospheric Physics & Climatology, Academy of Athens, Greece 5 Laboratory of Atmospheric Physics, Aristotle University of Thessaloniki, Greece 6(More)
The seasonal variability and the interannual variance explained by ENSO and NAO to cirrus cloud cover (CCC) are examined during the twenty-year period 1984– 2004. CCC was found to be significantly correlated with vertical velocities and relative humidity from ECMWF/ERA40 in the tropics (correlations up to −0.7 and +0.7 at some locations, respectively)(More)
In this study we present the seasonal variability of ozone production efficiencies (EN ), defined as the net number of ozone molecules produced per molecule of nitrogen oxides (nitrogen oxide (NO) + nitrogen dioxide (NO2)=NOx) oxidized to NOz (total reactive nitrogen (NOy)–NOx) determined from field measurements of a seven-year period (1998–2004) at the(More)
P. Zanis, T. Trickl, A. Stohl, H. Wernli, O. Cooper, C. Zerefos, H. Gaeggeler , C. Schnabel , L. Tobler, P. W. Kubik, A. Priller, H. E. Scheel, H. J. Kanter, P. Cristofanelli, C. Forster, P. James, E. Gerasopoulos, A. Delcloo, A. Papayannis, and H. Claude Laboratory of Atmospheric Physics, Aristotle Univ. of Thessaloniki, Greece Forschungszentrum Karlsruhe,(More)
E. Gerasopoulos, P. Zanis, C. Papastefanou, C. S. Zerefos, A. Ioannidou, and H. Wernli Nuclear Physics Department, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece Research Center for Atmospheric Physics and Climatology, Academy of Athens, Athens, Greece Laboratory of Climatology and Atmospheric Environment, Geology Department, University of(More)