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Seasonal Distribution of Aerosol Properties Over Europe and Their Impact on Uv Irradiance : Volume 2, Issue 2 (26/10/2009)

By Chubarova, N. Y.

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Book Id: WPLBN0003978971
Format Type: PDF Article :
File Size: Pages 16
Reproduction Date: 2015

Title: Seasonal Distribution of Aerosol Properties Over Europe and Their Impact on Uv Irradiance : Volume 2, Issue 2 (26/10/2009)  
Author: Chubarova, N. Y.
Volume: Vol. 2, Issue 2
Language: English
Subject: Science, Atmospheric, Measurement
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2009
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Chubarova, N. Y. (2009). Seasonal Distribution of Aerosol Properties Over Europe and Their Impact on Uv Irradiance : Volume 2, Issue 2 (26/10/2009). Retrieved from http://hawaiilibrary.net/


Description
Description: Faculty of Geography, Moscow State University, Moscow, Russia. Using the aerosol optical thickness at 550 nm (Τ550) from MODIS (collection 5) for the 2000–2008 period combined with the aerosol products from the ground-based AERONET network since 1996, monthly mean values of key aerosol parameters have been obtained with 1 degree resolution over Europe. Additional tests have revealed a satisfactory quality of the MODIS data, except in a few cases. Quality assured AERONET data are used for evaluating the Angstrom exponent, single scattering albedo and asymmetry factor, and for validating the final aerosol optical thickness in the UV spectral region. A method for extrapolating the aerosol parameters into the UV spectral region is discussed. The aerosol optical thickness distributions are considered together with meteorological fields from NOAA_NCEP_CPC_CAMS_ OPI climatology. The Τ340 is shown to vary significantly from approximately 0.01 to 0.9 depending on the season and location. Permanent elevated aerosol loading over several industrial areas is observed, which agrees with the output of chemical transport models. Using radiative transfer modeling, monthly mean UV loss due to aerosol was estimated. The absolute decrease in UV indices varies from less than 0.1 to 1.5. The relative UV attenuation has large spatial and temporal variations (−1%–−17%) with a minimum towards the northwest and maxima over several southern local areas (Northern Italy, etc.) during the warm period.

Summary
Seasonal distribution of aerosol properties over Europe and their impact on UV irradiance

Excerpt
Balis, D. S., Amiridis, V., Zerefos, C., Kazantzidis, A., Kazadzis, S., Bais, A. F., Meleti, C., Gerasopoulos, E., Papayannis, A., Matthias, V., Dier, H., and Andreae, M. O.: Study of the effect of different type of aerosols on UV-B radiation from measurements during EARLINET, Atmos. Chem. Phys., 4, 307–321, 2004.; Chubarova, N. Y. and Sviridenkov, M. A.: The differences in optical thicknesses due to aerosol and NO2 signatures obtained from parallel CIMEL sun photometers measurements in Moscow and at Zvenigorod, Preprint of IAE-6506/16, The Publishing House of Russian Research Centre Kurchatov Institute, Moscow, 45–51, 2008.; Andreae, M. O. and Crutzen, P. J.: Atmospheric Aerosols: Biogeochemical Sources and Role in Atmospheric Chemistry, Science, 276, 1052–1058, 1997.; Arola, A., Lakkala, K., Bais, A., Kaurola, J., Meleti, C., and Taalas, P.: Factors affecting short- and long-term changes of spectral UV irradiance at two European stations, J. Geophys. Res., 108(D17), 4549, doi:10.1029/2003JD003447, 2003.; Badosa, J., McKenzie, R. L., Kotkamp, M., Calbó, J., González, J. A., Johnston, P. V., O'Neill, M., and Anderson, D. J.: Towards closure between measured and modelled UV under clear skies at four diverse sites, Atmos. Chem. Phys., 7, 2817–2837, 2007.; Bais, A. F., Kazantzidis, A., Kazadzis, S., Balis, D. S., Zerefos, C. S., and Meleti, C.: Deriving an effective aerosol single scattering albedo from spectral surface UV irradiance measurements, Atmos. Environ., 39(6), 1093–1102, 2005.; Chubarova, N. Y., Nezval, Y. I., Verdebout, J., Krotkov, N., and Herman, J.: Long-term UV irradiance changes over Moscow and comparisons with UV estimates from TOMS and METEOSAT, in: Ultraviolet Ground- and Space-based Measurements, Models, and Effects V, edited by: Bernhard, G., Slusser, J.R., Herman, J.R., and Gao, W., SPIE, 63–73, 2005.; Chubarova, N. Y., Prilepsky, N. G., Rublev, A. N., and Riebau, A. R.: A Mega-Fire Event in Central Russia: Fire Weather, Radiative, and Optical Properties of the Atmosphere, and Consequences for Subboreal Forest Plants, in: Developments in Environmental Science, edited by: Bytnerowicz, M., Arbaugh, A., Riebau, A., and Andersen, C., Elsevier B. V., Volume 8 249 A, 249–267, 2009.; Chubarova, N. Y.: UV variability in Moscow according to long-term UV measurements and reconstruction model, Atmos. Chem. Phys., 8, 3025–3031, 2008.; Denman, K. L., Brasseur, G., Chidthaisong, A., Ciais, P., Cox, P. M., Dickinson, R. E., Hauglustaine, D., Heinze, C., Holland, E., Jacob, D., Lohmann, U., Ramachandran, S., da Silva Dias, P. L., Wofsy, S. C., and Zhang, X.: Couplings Between Changes in the Climate System and Biogeochemistry, in: Climate Change 2007: The Physical Science Basis, Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, edited by: Solomon, S., Qin, D., Manning, M., Chen, Z., Marquis, M., Averyt, K. B., Tignor, M., and Miller, H. L., Cambridge University Press, Cambridge, UK and New York, NY, USA, 2007.; Dubovik, O. and King, M. D.: A flexible inversion algorithm for retrieval of aerosol optical properties from Sun and sky radiance measurements, J. Geophys. Res., 105(D16), 20673–20696, 2000.; Dubovik, O., Smirnov, A., Holben, B. N., King, M. D., Kaufman, Y. J., Eck, T. F., and Slutsker, I.: Accuracy assessments of aerosol optical properties retrieved from Aerosol Robotic Network (AERONET) Sun and sky radiance measurements, J. Geophys. Res., 105(D8), 9791–9806. 2000.; Dubovik, O., Holben, B. N., Eck, T. F., Smirnov, A., Kaufman, Y. J., King, M. D., Tanre, D., and Slutsker, I.: Variability of absorption and optical properties of key aerosol types observed in worldwide locations, J. Atmos. Sci., 59, 590–608, 2002.; Eck, T., Holben, B., Reid, J., Dubovik, O., Smirnov, A., O'Neill, N., Slutsker, I., and Kinne, S.: Wavelength dependence of the optical depth of biomass burning, urban, and desert dust aerosols, J. Geophy

 

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