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"Chemistry and Radiation Changes in the Ozone Layer edited by Christos S. Zerefos Professor Director Laboratory of Atmospheric Physics Aristotle University of Thessaloniki Thessaloniki Greece Ivar S.A. Isaksen Professor Department of Geophysics University of Oslo Oslo Norway Ioannis Ziomas Ass. Professor Laboratory of Atmospheric Physics Aristotle University of Thessaloniki Thessaloniki Greece Kluwer Academic Publishers Dordrecht Boston London Published in cooperation with NATO Scientific Affairs Division Proceedings of the NATO Advanced Study Institute on Chemistry and Radiation Changes in Ozone Layer Kolympari Crete Greece 15-24 May 1999 A C.I.P. Catalogue record for this book is available from the Library of Congress ISBN 0-7923-6513-5 Published by Kluwer Academic Publishers P.O. Box 17 3300 AA Dordrecht The Netherlands Sold and distributed in North Central and South America by Kluwer Academic Publishers 101 Philip Drive Norwell MA 02061 U.S.A In all other countries sold and distributed by Kluwer Academic Publishers P.O. Box 322 3300 AH Dordrecht The Netherlands Printed on acid-free paper All Rights Reserved (c)2000 Kluwer Academic Publishers No part of the material protected by this copyright notice may be reproduced or utilized in any form or by any means electronic or mechanical including photocopying recording or by any information storage and retrieval system without written permission from the copyright owner Printed in the Netherlands" Table of Contents Preface ix Acknowledgements xi Developments in tropospheric chemistry P.J. Crutzen 3-D tropospheric model development Impact of non methane hydrocarbon chemistry M. Kanakidou Model analysis of stratosphere-troposphere exchange of ozone and its role in the tropospheric ozone budget G.J. Roelofs J. Lelieveld Peroxy radicals concentration and ozone generation rate for different regions of Russia as a result of TROIC A-2 experiment N.F. Elansky G.I. Kuznetsov O.A. Tarasova Overview of concepts and results of the PAUR I and PAURI I Projects Modulation of Solar Ultraviolet Radiation Photochemistry by Stratospheric Ozone aerosols and tropospheric ozone K.A. Kourtidis C.S. Zerefos D.S. Balis E. Kosmidis Global impact of aircraft emission on ozone concentrations and methane lifetime Results from the 1999 IPCC aircraft assessment I.S.A. Isaksen The impact of NOx and H2O emissions from future Suband Supersonic aircraft upon the chemical composition of the atmosphere A model study using a stratospheric CTM M. Gauss I.S.A. Isaksen Calculations of radiative forcing from ozone change F. Stordal Atmospheric ozone as a climate gas Studies concerning aircraft emissions W.C. Wang I.S.A. Isaksen J. Wang M. Gauss X.Z. Liang Tropospheric aerosol formation Processes observations and simulations R.P. Turco F. Yu Background levels of atmospheric particulate matter over the Northeast Atlantic ocean A.F. Rodrigues P.S. Fialho A. Lobo C.A. Pio M.A. Cerqueira The effect of aerosol on UV flux at the Earth's surface S. Rapsomanikis A simplified spectral model for UV irradiance computations F.R.S. Carvalho Observed long-term ozone and UV changes C.S. Zerefos Variability of daily and annual cycles of mean erythemal solar irradiance related to total ozone variability M. Dubrovsky UV irradiance patterns in Italy D. Meloni G.R. Casale A.M. Siani S. Palmieri F. Cappellani Calibration and characterization of erythemal broadband detectors A.F. Bais Chemistry and radiation changes in the ozone layer Halogenated hydrocarbons (halocarbons) and their impact on stratospheric ozone P. Fabian Springtime stratospheric ozone over Marambio Antarctic during 1990-1998 Analysis of ozone sonde data in relation to the phase and position of polar vortex J.A. Karhu P. Taalas M. Ginzburg Stratospheric CLO across the edge of the Arctic polar vortex Measurements of the Airborne-Submillimeter SIS Radiometer compared to 3-D model calculations J. Urban K. Kiillmann K. Kiinzi J. Wohlgemuth A. Goede Q. Kleipool N. Whyborn G. Schwaab M.P. Chipperfield Vertical profiles of long-lived trace gases A basis for the analysis of stratospheric dynamics M. Müller M. Strunk A Engel U. 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