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Chang Hoon Jung, Ji Yi Lee, Junshik Um, Seoung Soo Lee, Young Jun Yoon and Yong Pyo Kim
We estimated source-based aerosol optical properties for polydisperse aerosols according to a chemical-species-resolved mass contribution method based on source apportionment. We investigated the sensitivity of aerosol optical properties based on PM2.5 (...
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Pasquale Sellitto, Letizia Spampinato, Giuseppe G. Salerno and Alessandro La Spina
In this paper, Sun-photometer multichannel measurements of aerosol optical depths (AODs) in the visible and near-infrared spectral ranges, and Ångström parameters of the plume issued from the Pacaya volcano, Guatemala, are presented for the first time. T...
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Samin Poudel, Marc N. Fiddler, Damon Smith, K. M. Flurchick and Solomon Bililign
The refractive index (RI) is an important parameter in describing the radiative impacts of aerosols. It is important to constrain the RI of aerosol components, since there is still significant uncertainty regarding the RI of biomass burning aerosols. Exp...
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Tong Wu, Meng Fan, Jinhua Tao, Lin Su, Ping Wang, Dong Liu, Mingyang Li, Xiao Han and Liangfu Chen
The horizontal and vertical distributions of aerosol optical properties over China in 2013?2015 were investigated using RAMS (Regional Atmospheric Modeling System)-CMAQ (Models-3 Community Multiscale Air Quality) simulations and CALIOP (Cloud-Aerosol Lid...
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S. Ramachandran and Sumita Kedia
Seasonal and inter-annual variabilities in aerosol optical depth (AOD) and aerosol size distribution are investigated using ground-based measurements (sun photometers and sun/sky radiometers), and MODIS (MODerate Imaging Spectroradiometer) and MISR (Mult...
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S. Ramachandran and Sumita Kedia
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Madhu Gyawali, W. Patrick Arnott, Rahul A. Zaveri, Chen Song, Bradley Flowers, Manvendra K. Dubey, Ari Setyan, Qi Zhang, Swarup China, Claudio Mazzoleni, Kyle Gorkowski, R. Subramanian and Hans Moosmüller
We present the evolution of multispectral optical properties through urban aerosols that have aged and interacted with biogenic emissions, resulting in stronger short wavelength absorption and the formation of moderately brown secondary organic aerosols....
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Francesca Costabile, Honey Alas, Michaela Aufderheide, Pasquale Avino, Fulvio Amato, Stefania Argentini, Francesca Barnaba, Massimo Berico, Vera Bernardoni, Riccardo Biondi, Giampietro Casasanta, Spartaco Ciampichetti, Giulia Calzolai, Silvia Canepari, Alessandro Conidi, Eugenia Cordelli, Antonio Di Ianni, Luca Di Liberto, Maria Cristina Facchini, Andrea Facci, Daniele Frasca, Stefania Gilardoni, Maria Giuseppa Grollino, Maurizio Gualtieri, Franco Lucarelli, Antonella Malaguti, Maurizio Manigrasso, Mauro Montagnoli, Silvia Nava, Cinzia Perrino, Elio Padoan, Igor Petenko, Xavier Querol, Giulia Simonetti, Giovanna Tranfo, Stefano Ubertini, Gianluigi Valli, Sara Valentini, Roberta Vecchi, Francesca Volpi, Kay Weinhold, Alfred Wiedensohler, Gabriele Zanini, Gian Paolo Gobbi and Ettore Petralia
In February 2017 the ?Carbonaceous Aerosol in Rome and Environs (CARE)? experiment was carried out in downtown Rome to address the following specific questions: what is the color, size, composition, and toxicity of the carbonaceous aerosol in the Mediter...
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K. VIJAYAKUMAR,P. C. S. DEVARA
This study analyzes changes in the response of meteorological parameters, aerosol, ozone, and water vapor properties over a tropical urban station in Pune, India, using ground-based and satellite data sets from February 23 to March 4, 2010 covering the H...
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NAND LAL SHARMA,JAGDISH CHANDRA KUNIYAL,RAJ PAUL GULERIA,MAHAVIR SINGH
Observations from a ground based multi-wavelength radiometer (MWR) in the Kullu valley of the North Western Himalayan region from April 2007 to March 2008 show that the spectral aerosol optical depth (AOD) and the Ångstr?m turbidity coefficient (ß) are h...
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Junshik Um, Seonghyeon Jang, Young Jun Yoon, Seoung Soo Lee, Ji Yi Lee, Kyung Man Han, Won Jun Choi, Yong Pyo Kim, Cheol-Hee Kim and Chang Hoon Jung
Among many parameters characterizing atmospheric aerosols, aerosol mass extinction efficiency (MEE) is important for understanding the optical properties of aerosols. MEE is expressed as a function of the refractive indices (i.e., composition) and size d...
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Xochitl Cruz Núñez
Pág. 167 - 179
Black carbon (BC) is a strong radiative forcer. Because of its multiple effects on climate change, BC has been located as the second important impact factor of climate change only after carbon dioxide. Sources of BC include mainly diesel vehicles and bio...
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Dimitris G. Kaskaoutis, Diana Francis, Alireza Rashki, Jean-Pierre Chaboureau and Umesh C. Dumka
The Sistan Basin has been recognized as one of the most active dust sources and windiest desert environments in the world. Although the dust activity in Sistan maximizes during the summer, rare but intense dust storms may also occur in the winter. This s...
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Zhen-Zong He, Jun-Kui Mao and Xing-Si Han
The comparison of the angular light-scattering method (ALSM) and the spectral extinction method (SEM) in solving the inverse problem of aerosol size distribution (ASD) are studied. The inverse problem is solved by a SPSO-DE hybrid algorithm, which is bas...
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Dara Salcedo, Harry Alvarez-Ospina, Oscar Peralta and Telma Castro
The “Aerosoles en Ciudad Universitaria 2015” (ACU15) campaign was an intensive experiment measuring chemical and optical properties of aerosols in the winter of 2015, from 19 January to 19 March on a site in the south of Mexico City. The mass...
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Sergei A. Soldatenko
In this paper, we apply the optimal control theory to obtain the analytic solutions of the two-component globally averaged energy balance model in order to estimate the influence of solar radiation management (SRM) operations on the global mean surface t...
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Tamás Várnai and Alexander Marshak
This paper presents an overview of our efforts to characterize and better understand cloud-related changes in aerosol properties. These efforts primarily involved the statistical analysis of global or regional datasets of Moderate Resolution Imaging Spec...
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Igor B. Konovalov, Daria A. Lvova and Matthias Beekmann
The balance between the cooling and warming effects of aerosol originating from open biomass burning (BB) critically depends on the ratio of its major absorbing and scattering components, such as elemental carbon (EC) and organic carbon (OC), but availab...
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R. S. MAHESKUMAR,P. C. S. DE VARA,G. PANDITHURAI,P. E. RAJ,K. K. DANI
At Pune (18º32 N, 73º51'E, 559 m AMSL), a tropical urban station in India, aerosol characteristics during the winter season exhibit unique features such as low-level inversions and dust haze formation during morning hours. Moreover, this station exper...
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O.B. VASILYEV,S. D. ANDREEV,KONDE LAI,A. LEYVA CONTRERAS
The contribution of atmospheric aerosols on the variation of outgoing radiation is estimated on the basis of an aerosol ensemble model, whose optical properties are defined through relative humidity and range of visibility. The influence of the albedo...
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