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Dynamics of atmospheric aerosol number size distributions in the eastern Mediterranean during the “SUB-AERO” project

Lazaridis Michalis, Christos Housiadas, Konstantinos Eleftheriadis, Vladimír Ždímal, Jiří Smolík

Πλήρης Εγγραφή


URI: http://purl.tuc.gr/dl/dias/17345227-9FDC-4E0E-B2CD-4100CDAED26C
Έτος 2015
Τύπος Δημοσίευση σε Περιοδικό με Κριτές
Άδεια Χρήσης
Λεπτομέρειες
Βιβλιογραφική Αναφορά V. Ždímal ,J. Smolík ,K. Eleftheriadis ,Z. Wagner ,C. Housiadas ,M. Mihalopoulos P. Mikuška , Z. Večeřa ,I. Kopanakis ,M. Lazaridis ," Dynamics of atmospheric aerosol number size distributions in the Eastern Mediterranean during the “SUB-AERO” project," Water Air and Soil Pol.,vol. 214, no.1,pp.133-146,Jan. 2011.doi:10.1007/s11270-010-0410-4 https://doi.org/10.1007/s11270-010-0410-4
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Περίληψη

Measurements of number size distributions of submicron aerosols have been performed at the Eastern part of Mediterranean aspart of an extensive measurement campaign to study photo-oxidants and aerosols (SUB-AERO Project). The measurements were madeat the Finokalia station on the island of Crete (Greece) and onboard the research vessel “Aegaeon”. Two campaigns were performedduring July 2000 and January 2001 using two scanning mobility particle sizers. The particle distributions measured in therange between 7.8 < dp < 327 nm during the summer measurements and between 7.5 < dp < 316 nm during the winter measurements, where dp is the mobility particle diameter. The concentration of ultrafine particles (7.5 < dp < 30 nm) was higher during the winter period and varied mainly between 5 × 101 and 2 × 103 cm−3 with concentration peak values for this mode exceeding 1 × 104 cm−3. During the summer campaign, an average number concentration of 1 × 102 cm−3 at Finokalia and about 5 × 101 cm−3 aboard the “Aegaeon” vessel was measured. An average concentration of 1 × 103 cm−3 was measured for the particles in the size range between 30 and 100 nm, whereas in the size range 100–300 nm, the measuredconcentration ranged between 1 × 102 and 5 × 103 cm−3. Diurnal patterns in number concentrations were observed in connection with the transport of air masses and local sources.During the winter period, three nucleation events were observed in connection with the appearance of a particle mode at 20nm.

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