Search Results - "Kazadzis, S."

Inferring absorbing organic carbon content from AERONET data by Arola, A, Schuster, G, Myhre, G, Kazadzis, S, Dey, S, Tripathi, S N

“…Black carbon, light-absorbing organic carbon (often called "brown carbon") and mineral dust are the major light-absorbing aerosols. Currently the sources and…”
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The regime of intense desert dust episodes in the Mediterranean based on contemporary satellite observations and ground measurements by Gkikas, A, Hatzianastassiou, N, Mihalopoulos, N, Katsoulis, V, Kazadzis, S, Pey, J, Querol, X, Torres, O

“…The regime of intense desert dust (DD) episodes over the broader Mediterranean Basin is studied for the period 2000–2007 at a complete spatial coverage. An…”
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Optimizing CALIPSO Saharan dust retrievals by Amiridis, V, Wandinger, U, Marinou, E, Giannakaki, E, Tsekeri, A, Basart, S, Kazadzis, S, Gkikas, A, Taylor, M, Baldasano, J, Ansmann, A

“…We demonstrate improvements in CALIPSO (Cloud–Aerosol Lidar and Infrared Pathfinder Satellite Observations) dust extinction retrievals over northern Africa and…”
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LIVAS: a 3-D multi-wavelength aerosol/cloud database based on CALIPSO and EARLINET by Amiridis, V, Marinou, E, Tsekeri, A, Wandinger, U, Schwarz, A, Giannakaki, E, Mamouri, R, Kokkalis, P, Binietoglou, I, Solomos, S

“…We present LIVAS (LIdar climatology of Vertical Aerosol Structure for space-based lidar simulation studies), a 3-D multi-wavelength global aerosol and cloud…”
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Global aerosol mixtures and their multiyear and seasonal characteristics by Taylor, M., Kazadzis, S., Amiridis, V., Kahn, R.A.

“…The optical and microphysical characteristics of distinct aerosol types in the atmosphere are not yet specified at the level of detail required for climate…”
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Measurements and model simulations of solar radiation at tilted planes, towards the maximization of energy capture by Raptis, P.I., Kazadzis, S., Psiloglou, B., Kouremeti, N., Kosmopoulos, P., Kazantzidis, A.

“…The ideal inclination of tilted surfaces, used to maximize the capture of surface solar irradiance, is determined by latitude and time of the year. Although…”
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Solar energy prediction and verification using operational model forecasts and ground-based solar measurements by Kosmopoulos, P.G., Kazadzis, S., Lagouvardos, K., Kotroni, V., Bais, A.

“…The present study focuses on the predictions and verification of these predictions of solar energy using ground-based solar measurements from the Hellenic…”
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Three-year ground based measurements of aerosol optical depth over the Eastern Mediterranean: the urban environment of Athens by Gerasopoulos, E., Amiridis, V., Kazadzis, S., Kokkalis, P., Eleftheratos, K., Andreae, M. O., Andreae, T. W., El-Askary, H., Zerefos, C. S.

“…Three years (2006–2008) of ground-based observations of the Aerosol Optical Depth (AOD) in the urban environment of Athens, in the Eastern Mediterranean, are…”
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Optical characteristics of biomass burning aerosols over Southeastern Europe determined from UV-Raman lidar measurements by Amiridis, V., Balis, D. S., Giannakaki, E., Stohl, A., Kazadzis, S., Koukouli, M. E., Zanis, P.

“…The influence of smoke on the aerosol loading in the free troposphere over Thessaloniki, Greece is examined in this paper. Ten cases during 2001–2005 were…”
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Neural network radiative transfer solvers for the generation of high resolution solar irradiance spectra parameterized by cloud and aerosol parameters by Taylor, M., Kosmopoulos, P.G., Kazadzis, S., Keramitsoglou, I., Kiranoudis, C.T.

“…This paper reports on the development of a neural network (NN) model for instantaneous and accurate estimation of solar radiation spectra and budgets geared…”
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Evidence of a possible turning point in solar UV-B over Canada, Europe and Japan by Zerefos, C. S, Tourpali, K, Eleftheratos, K, Kazadzis, S, Meleti, C, Feister, U, Koskela, T, Heikkilä, A

“…This study examines the long-term variability of UV solar irradiances at 305 nm and 325 nm over selected sites in Canada, Europe and Japan. Site selection was…”
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Lightning activity and aerosols in the Mediterranean region by Proestakis, E., Kazadzis, S., Lagouvardos, K., Kotroni, V., Kazantzidis, A.

“…In the framework of this study, the effect of aerosols on lightning activity has been investigated for the first time over the broader Mediterranean Sea…”
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Extensive validation of solar spectral irradiance meters at the World Radiation Center by Tatsiankou, V., Hinzer, K., Schriemer, H., Kazadzis, S., Kouremeti, N., Gröbner, J., Beal, R.

“…•A comprehensive measurement uncertainty analysis was developed for a SolarSIM.•Four SolarSIMs were deployed and tested at the World Radiation…”
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Further evidence of important environmental information content in red-to-green ratios as depicted in paintings by great masters by Zerefos, C. S, Tetsis, P, Kazantzidis, A, Amiridis, V, Zerefos, S. C, Luterbacher, J, Eleftheratos, K, Gerasopoulos, E, Kazadzis, S, Papayannis, A

“…We examine sunsets painted by famous artists as proxy information for the aerosol optical depth after major volcanic eruptions. Images derived from precision…”
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Four-year aerosol observations with a Raman lidar at Thessaloniki, Greece, in the framework of European Aerosol Research Lidar Network (EARLINET) by Amiridis, V., Balis, D. S., Kazadzis, S., Bais, A., Giannakaki, E., Papayannis, A., Zerefos, C.

“…Regular aerosol extinction and backscatter measurements using a UV Raman lidar have been performed from January 2001 to December 2004 at Thessaloniki, Greece…”
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Evaluation of night-time aerosols measurements and lunar irradiance models in the frame of the first multi-instrument nocturnal intercomparison campaign by Barreto, A., Román, R., Cuevas, E., Pérez-Ramírez, D., Berjón, A.J., Kouremeti, N., Kazadzis, S., Gröbner, J., Mazzola, M., Toledano, C., Benavent-Oltra, J.A., Doppler, L., Juryšek, J., Almansa, A.F., Victori, S., Maupin, F., Guirado-Fuentes, C., González, R., Vitale, V., Goloub, P., Blarel, L., Alados-Arboledas, L., Woolliams, E., Taylor, S., Antuña, J.C., Yela, M.

“…The first multi-instrument nocturnal aerosol optical depth (AOD) intercomparison campaign was held at the high-mountain Izaña Observatory (Tenerife, Spain) in…”
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Smoke injection heights from agricultural burning in Eastern Europe as seen by CALIPSO by Amiridis, V, Giannakaki, E, Balis, D S, Gerasopoulos, E, Pytharoulis, I, Zanis, P, Kazadzis, S, Melas, D, Zerefos, C

“…High frequency of agricultural fires is observed every year during the summer months over SW Russia and Eastern Europe. This study investigates the initial…”
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Measurements of Saharan dust aerosols over the Eastern Mediterranean using elastic backscatter-Raman lidar, spectrophotometric and satellite observations in the frame of the EARLINET project by Papayannis, A., Balis, D., Amiridis, V., Chourdakis, G., Tsaknakis, G., Zerefos, C., Castanho, A. D. A., Nickovic, S., Kazadzis, S., Grabowski, J.

“…We report on the vertical distributions of Saharan dust aerosols over the N.E. Mediterranean region, which were obtained during a typical dust outbreak on…”
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Ozone Monitoring Instrument spectral UV irradiance products: comparison with ground based measurements at an urban environment by Kazadzis, S., Bais, A., Arola, A., Krotkov, N., Kouremeti, N., Meleti, C.

“…We have compared spectral ultraviolet overpass irradiances from the Ozone Monitoring Instruments (OMI) against ground-based Brewer measurements at…”
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Optical and geometrical characteristics of cirrus clouds over a Southern European lidar station by Giannakaki, E., Balis, D. S., Amiridis, V., Kazadzis, S.

“…Optical and geometrical characteristics of cirrus clouds over Thessaloniki, Greece (40.6° N, 22.9° E) have been determined from the analysis of lidar and…”
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