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Modelling No2 Concentrations at the Street Level in the Gains Inte...

By: B. Bessagnet; C. Heyes; J. Borken-kleefeld; W. Schöpp; A. Gsella; G. Kiesewetter; P. Thunis; M. Amann

Description: International Institute for Applied Systems Analysis (IIASA), Schlossplatz 1, 2361 Laxenburg, Austria. NO2 concentrations at the street level are a major concern for urban air quality in Europe and have been regulated under the EU Thematic Strategy on Air Pollution. Despite the legal requirements, limit values are exceeded at many monitoring stations with little or no improvement during recent years. In order to assess the effects of future em...

Amann, M., Bertok, I., Borken-Kleefeld, J., Cofala, J., Heyes, C., Höglund-Isaksson, L., Klimont, Z., Nguyen, B., Posch, M., Rafaj, P., Sandler, R., Schöpp, W., Wagner, F., and Winiwarter, W.: Cost-effective control of air quality and greenhouse gases in Europe: Modeling and policy applications, Environ. Modell. Softw., 26, 1489–1501, doi:10.1016/j.envsoft.2011.07.012, 2011.; Amann, M., Borken-Kleefeld, J., Cofa...

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Relationship Between Amazon Biomass Burning Aerosols and Rainfall ...

By: G. G. Carrió; M. A. F. Silva Dias; G. Camponogara

Description: Instituto de Astronomia, Geofísica e Ciências Atmosféricas da Universidade de São Paulo, Brazil. High aerosol loads are discharged into the atmosphere by biomass burning in the Amazon and central Brazil during the dry season. These particles can interact with clouds as cloud condensation nuclei (CCN) changing cloud microphysics and radiative properties and, thereby, affecting the radiative budget of the region. Furthermore, the biomass burning aerosols c...

Albrecht, B. A.: Aerosols, cloud microphysics, and fractional cloudiness, Science, 245, 1227–1230, 1989.; Albrecht, R. I., Morales, C. A., and Silva Dias, M. A. F.: Electrification of precipitating systems over the Amazon: Physical processes of thunderstorm development, J. Geophys. Res., 116, D08209, doi:10.1029/2010JD014756, 2011.; Andreae, M. O., Rosenfeld, D., Artaxo, P., Costa, A. A., Frank, G. P., Longo, K. M., and ...

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A Model Study on the Influence of Overshooting Convection on Ttl W...

By: T. P. Lane; M. E. E. Hassim

Description: School of Earth Sciences, The University of Melbourne, Melbourne, Victoria 3010, Australia. Overshooting deep convection that penetrates into the Tropical Tropopause Layer (TTL) is thought to have an important role in regulating the water vapour content of this region. Yet, the net effect of such convection and the dominant mechanisms remain unclear. This study uses two idealised three-dimensional cloud-resolving model simulations to examine ...

Alcala, C. M. and Dessler, A. E.: Observations of deep convection in the tropics using the TRMM precipitation radar, J. Geophys. Res., 107(D24), 4792, doi:10.1029/2002JD002,457, 2002.; Brock, C. A., Hudson, P. K., Lovejoy, E. R., Sullivan, A., Nowak, J. B., Huey, L. G., Cooper, O. R., Cziczo, D. J., de Gouw, J., Fehsenfeld, F. C., Holloway, J. S., H{ü}bler, G., Lafleur, B. G., Murphy, D. M., Neuman, J. A., D. K. Nicks Jr., ...

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Climate Effects of Seasonally Varying Biomass Burning Emitted Carb...

By: C. Wang; G.-r. Jeong

Description: Center for Global Change Science, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA. The climate impact of the seasonality of Biomass Burning emitted Carbonaceous Aerosols (BBCA) has been studied using an aerosol-climate model coupled with a slab ocean model in a set of 60-year long simulations driven by BBCA emission data with and without seasonal variation, respectively. The model run with seasonally varying emission of BBCA leads to...

Forster, P., Ramaswamy, V., Artaxo, P., et al.: Chapter 2. Changes in Atmospheric Constituents and in Radiative forcing, IPCC Fourth Assessment Report: Climate Change 2007: Working Group I: The physical Science Basis, edited by: Solomon, S., Qin, D., Manning, M., et al., Cambridge Univ. Press, Cambridge, UK, and New York, NY, USA, 129–234, 2007.; GEIA biomass burning BC data: http://www.geiacenter.org/, last access: 30 April 2008.; ...

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One Decade of Parallel Pm10 and Pm2.5 Measurements in Europe: Tren...

By: D. Oderbolz; C. Hueglin; J. Keller; I. Barmpadimos; A. S. H. Prévôt

Description: Paul Scherrer Institute, Villigen, Switzerland. The trends and variability of PM10, PM2.5 and PMcoarse concentrations at seven urban and rural background stations in five European countries for the period between 1998 and 2010 were investigated. Collocated or nearby PM measurements and meteorological observations were used in order to construct Generalized Additive Models, which model the effect of each meteorological...

Aldrin, M. and Haff, I. H.: Generalised additive modelling of air pollution, traffic volume and meteorology, Atmos. Environ., 39, 2145–2155, doi:10.1016/j.atmosenv.2004.12.020, 2005.; Barmpadimos, I., Hueglin, C., Keller, J., Henne, S., and Prévôt, A. S. H.: Influence of meteorology on PM10 trends and variability in Switzerland from 1991 to 2008, Atmos. Chem. Phys., 11, 1813–1835,

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