@article {737, title = {A complex study of Etna{\textquoteright}s volcanic plume from ground-based, in situ and space-borne observations}, journal = {International Journal of Remote Sensing}, volume = {27}, number = {9}, year = {2006}, note = {Int. J. Remote Sens.Cited By (since 1996):13Export Date: 13 October 2014CODEN: IJSEDCorrespondence Address: Varotsos, C.; Faculty of Physics, University of Athens, Athens, GreeceReferences: Allard, P., Endogenous magma degassing and storage at Mount Etna (1997) Geophysical Research Letters, 24, pp. 2219-2222; Barberi, F., Civetta, L., Gasparini, P., Evolution of a section of the Africa-Europe plate boundary: Paleomagnetic and volcanological evidence from Sicily (1974) Earth and Planetary Science Letters, 22, pp. 123-132; Bellomo, S., Alessandro, W.D., Longo, M., Volcanogenic fluorine in rainwater around active degassing volcanoes: Mt. 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(In Greek); Papayannis, A., Chourdakis, G., The EOLE project: A multiwavelength laser remote sensing (Lidar) system for ozone and aerosol measurements in the troposphere and the lower stratosphere. Part II: Aerosol measurements over Athens, Greece (2002) International Journal of Remote Sensing, 23, pp. 179-196; Spurr, R., Loyola, D., Thomas, W., Balzer, W., Mikusch, E., Aberle, B., Sli-Jkhus, S., Soebijanta, T., GOME level 1-to-2 data processor version 3. A major upgrade of the GOME/ ERS-2 total ozone retrieval algorithm (2005) Applied Optics, 44, pp. 7196-7209; Thomas, W., Erbertseder, T., Ruppert, T., Van Roozendael, M., Verde-Bout, J., Balis, D., Meleti, C., Zerefos, C., On the retrieval of volcanic sulfur dioxide emissions from GOME backscatter measurements (2005) Journal of Atmospheric Chemistry, 50, pp. 295-320; Varotsos, C., Kalabokas, P., Chronopoulos, G., Association of the laminated vertical ozone structure with the lower-stratospheric circulation (1994) Journal of Applied Meteorology, 33, pp. 473-476; Zerefos, C., Ganev, K., Kourtidis, K., Tzortziou, M., Vasaras, A., Syrakov, E., On the origin of SO2 above Northern Greece (2000) Geophysical Research Letters, 27, pp. 365-368}, pages = {1855-1864}, abstract = {Two periods of transboundary transport of volcanic aerosols and debris following recent eruptions of Mount Etna, Italy, were examined using ground-based and satellite spectrophotometric measurements together with Light Detection And Ranging (LiDAR) and aerosol filter observations in Athens and Thessaloniki, Greece. Independent columnar SO2 measurements from ground and space identified peaks at Greek sites after the volcanic eruptions. LiDAR measurements of the aerosol extinction at Thessaloniki and Athens performed in July 2001 have shown the height of the volcanic plume to be about 3.5 km asl and the optical thickness of the dust layer to be of the order of 3 Γ{\textemdash}10-3 at 532 nm. Strong ozone depletion observed at the volcano plume level by using ozonesonde ascents may be attributed to the in-plume processes that generate reactive halogens, which in turn destroy ozone. The chemical and elemental composition of aerosol samples, taken at the Earth{\textquoteright}s surface, was analysed and confirmed the volcanic origin of the dust.}, keywords = {Atmospheric aerosols, atmospheric plume, Catania [Sicily], dust, Etna, Eurasia, Europe, Italy, lidar, observational method, Ozone, remote sensing, Sicily, Southern Europe, Spectrophotometers, spectrophotometry, Thermal plumes, Thessaloniki, Transport properties, volcanic aerosol, Volcanic aerosols, volcanic eruption, Volcanic eruptions, Volcanic plume, Volcanic rocks}, isbn = {01431161 (ISSN)}, author = {Zerefos, C. and Nastos, P. and Balis, D. and Papayannis, A. and Kelepertsis, A. and Kannelopoulou, E. and Nikolakis, D. and Eleftheratos, C. and Thomas, W. and Varotsos, C.} }