Keynote presentation: 20 ATMOSPHERIC CHEMISTRY NEAR MEXICO CITY, MARCH 2006 Sasha Madronich

Invited presentation: 3 2 LAND ATMOSPHERE EXCHANGE OF REACTIVE NITROGEN

Ute Skiba, Eiko Nemitz, Chris Flediclrd, Timo Vesala, Per Ambus, Nicolas Bruggemann, Arjan Hensen, jan Duyzer, Pierre Cellier, Annette Freibauer, Endzo Magliulo, Gunther Seufert, Aibrecht Neftei, Laslo Horvath, Julia Drewer, Sim Tang, Daniela Famulari, Tuomas lauriia, Sophie Zechmeister-Boltenstern,

Francesca Cotrufo, David Fowler, Mark Sutton

38 EMISSION OF OXYGENATED VOC FROM MANAGE2

GRASSLAND ChristofAmmann, Aurelia Brunner, Christoph Scjr 5 Albrecht Neftel

46 SOURCE APPORTIONMENT OF WATER SOLUB-E :'CL'. .

AEROSOLS BY NUCLEAR MAGNETC RESONANCE SPECTROSCOPY

Stefano Decesari, Mthaiela Mirceo, Sandro Fuzzj Foc C :':,- " Emilio Tagiiavini, Maria Cristina Facchini

Invited presentation: 54 AEROSOL-CLOUD-CLIMATE INTERACTIONS: CLIMATE MODELLING AND SATELLITE OBSERVATIONS Johannes Quaas, Ulrike Lohmann, Olivier Boucher

6 1 DIAGNOSTIC STUDY OF CLIMATE-CHEMISTRY INTERACTIONS Wei-Chyung Wang, Jen-Ping Chen, lvar S. A. Isaksen, Terje E Berglen

63 IMPACTS OF CLIMATE CHANGE ON AIR POLLUTION LEVELS IN

THE NORTHERN HEMISPHERE

Gitte B. Hedegaard, Jorgen Brandt, Jesper H. Christensen, Lise M. Frohn, Comilla Geels, Kaj M. Hansen, Martin Stende1

7 2 AEROSOL DIRECT RADIATIVE FORCING Stefati Kinne

80 PREDICTIONS OFTHE FUTURE IMPACTOF ANTHROPOGENIC

AEROSOLS: SENSITIVITY T 0 CLIMATE CHANGE AND T 0 EMISSION INVENTORIES

Celine Deandreis, Yves Balkanski, Michael Schulz

88 HEALTH EFFECTS OF FINE AND ULTRAFINE PARTICLES: EVIDENCE AND RESEARCH NEEDS Francesco Forastiere

92 POLICY DESIGN T 0 REDUCE PM10 LONG-TERM EXPOSURE: AN APPLICATION OVER THE NORTHERN ITALY DOMAIN Enrico Pisoni, Claudio Carnevale, Marialufsa Volta

Invited presentation: 102 INTERANNUAL VARIATIONS IN TROPOSPHERIC COMPOSITION OVERTHE LASTTWO DECADES AND IMPLICATIONS FORTHE GLOBAL AIR QUALITY Isabelle Bey, Simos Koilmoutsaris, Jer6me Drevet, Sylvia Generoso

110 MECHANISMS FORTHE FORMATION OF ACIDIC PRODUCTS FROM THE OZONOLYSIS OF ci-PINENE: SECONDARY ORGANIC AEROSOL (SOA) FORMATION George Marston, Yan Ma, Timothy i. Wilcott, Ttiornas Luciani, Rachel A. Porter, Andrew i. Russell, David iohnson

118 VARIABILITY AND LONG-TERM TRENDS OF THE TROPOSPHERIC OZONE AT CAUCASIAN AND CENTRAL EUROPEAN MOUNTAIN SITES Oksana A. Tarasova, Johannes Staehelin, Andre S.H. Prevot, irinn A. Senik, Michaei G. Sosonkin, Junbo Cui

124 DECADAL CHANGES IN EUROPEAN NOX EMISSIONS DERIVED FROM SATELLITE OBSERVATIONS BY MEANS OF INVERSE MODELING !gor 8. Konovalov, Matthias Beekrnann, Andreas Richter, .ohn P Burrows

131 OBSERVED AND MODELLED SEASONAL AND INTERANNUAL VARIABILITY OF ATMOSPHERIC POLLUTANTS OVER EUROPE Joonna Struzewska, Jacek W. Kaminski

138 NATURAL AND BIOGENIC EMISSIONS ANDTHEIR IMPACTS ON AIR QUALITY Rainer Friedrich, Jochen Theloke, Wilfried Winiwarter, Matthias Reekmonn, Klous Butterbach-Bahl, Chris Dore$ Giuseppe Etiope, Janina Fudala, Domenico Gaudioso, Ernst Gebetsroither, Susannah Gric-e, Michael D. Kahl, Renate Koeble, Marek Korcz,ioana leitao Alexandre, Heiko Pfe~ffer, Sanna Soarnio, Guntfier Seufert, Gerhard Smiatek, Rainer Steinbrecher, James Sturman, Roberr Vaulurd, Michael Woodfield

142 WILDFIRE PARTICULATE MATTER IN EUROPE DURING SUMMER 2003: MESO-SCALE MODELING OF SMOKE EMISSIONS,TRANSPORT AND RADIATIVE EFFECTS Alma Hodzic, Scistia Mridroriich, Birger Bohn, Sreven Massie, laurent Menut, Christine Wiedinmyer

147 INVESTIGATION OF OXIDANT SOURCES ANDTRENDS INTHE UNITED KINGDOM Lynetre Clapp, Michael Jenkin, Kevin Clemitshow

Invited presentation: 156 CLIMATOLOGY AND SOURCE APPORTIONMENT OF PM2.5 ORGANIC AND INORGANIC AEROSOL OVER EUROPE: PRIMARY/SECONDARY, NATURAL/ ANTHROPOGENIC, FOSSIL/BIOGENIC ORGIN. Susanne Preunkert, Michel legrand

Invited presentation: 164 MEASUREMENTS OF ATMOSPHERIC COMPOSITION FROM SPACE: HOW FAR HAVE WE COME? HOW FAR CAN WE GO? Jarnes R. Drummond

169 ONE DECADE OF PYROGENIC NMVOC EMISSIONS DEDUCED FROM HCHO SATELLITE DATA Jenny Stavrakou, Jean-Franqois Mullel; isabeile De Smedr, Michel Van Roozendael, Guido van der Wert; Louis Giglio

176 COMPARISON BETWEEN ONLINE AND FLASK MEASUREMENTS OF ATMOSPHERIC O? AND C02ATTHE HIGH ALPINE STATION JUNGFRAUJOCH, SWITZERLAND Chiara Uglietti, Markus Leuenberger, Francesco L.Valentino, Patrick Sturrn

182 Book Authors

184 CD Abstracts

192 CD Authors