1. Department of Environment; University of the Aegean; Mytilene Greece
2. Hellenic Centre for Marine Research; Heraklion Greece
3. Department of General Applied Science; Technological Educational Institute of Crete; Heraklion Greece
4. Laboratory of Meteorology, Department of Physics; University of Ioannina; Ioannina Greece
5. Atmospheric Sciences; NASA Langley Research Center; Hampton Virginia USA
6. Department of Physics; University of Crete; Heraklion Greece