3-D evaluation of tropospheric ozone simulations by an ensemble of regional Chemistry Transport Model
Denis Zyryanov,Gilles Foret,Maxime Eremenko,Matthias Beekmann,Jean-Pierre Cammas,Massimo D'Isidoro,Hendrik Elbern,Johannes Flemming,E. Friese,I. Kioutsioutkis,Alberto Maurizi,Dimitrios Melas,Frédérik Meleux,Laurent Menut,P. Moinat,Vincent-Henri Peuch,Anastasia Poupkou,M. Razinger,Martin G. Schultz,O. Stein,A.M. Suttie,Alvaro Valdebenito,Christos Zerefos,Gaëlle Dufour,Gilles Bergametti,Jean-Marie Flaud +25 more
TLDR
A detailed 3D evaluation of an ensemble of five regional Chemistry Transport Models (RCTM) and one global CTM with focus on free tropospheric ozone over Europe is presented in this paper.Abstract:
A detailed 3-D evaluation of an ensemble of five regional Chemistry Transport Models (RCTM) and one global CTM with focus on free tropospheric ozone over Europe is presented. It is performed over a summer period (June to August 2008) in the context of the GEMS-RAQ project. A data set of about 400 vertical ozone profiles from balloon soundings and commercial aircraft at 11 different locations is used for model evaluation, in addition to satellite measurements with the infrared nadir sounder (IASI) showing largest sensitivity to free tropospheric ozone. In the middle troposphere, the four regional models using the same top and boundary conditions from IFS-MOZART exhibit a systematic negative bias with respect to observed profiles of about-20 %. Root Mean Square Error (RMSE) values are constantly growing with altitude, from 22 % to 32 % to 53 %, respectively for 0-2 km, 2-8 km and 8-10 km height ranges. Lowest correlation is found in the middle troposphere, with minimum coefficients (R) between 0.2 to 0.45 near 8 km, as compared to 0.7 near the surface and similar values around10 km. A sensitivity test made with the CHIMERE mode also shows that using hourly instead of monthly chemical boundary conditions generally improves the model skill (i.e. improve RMSE and correlation). Lower tropospheric 0-6 km partial ozone columns derived from IASI show a clear North-South gradient over Europe, which is qualitatively reproduced by the models. Also the temporal variability showing decreasing ozone concentrations in the lower troposphere (0-6 km columns) during summer is well reproduced by models even if systematic bias remains (the value of the bias being also controlled by the type of used boundary conditions). A multi-day case study of a trough with low tropopause was conducted and showed that both IASI and models were able to resolve strong horizontal gradients of middle and upper tropospheric ozone occurring in the vicinity of an upper tropospheric frontal zone.read more
Citations
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Journal ArticleDOI
CHIMERE 2013: a model for regional atmospheric composition modelling
Laurent Menut,Bertrand Bessagnet,D. Khvorostyanov,Matthias Beekmann,Nadège Blond,Augustin Colette,Isabelle Coll,Gabriele Curci,Gilles Foret,Alma Hodzic,Sylvain Mailler,Frédérik Meleux,Jean-Louis Monge,Isabelle Pison,Guillaume Siour,Solène Turquety,Myrto Valari,Robert Vautard,Marta G. Vivanco +18 more
TL;DR: The CHIMERE chemistry-transport model as discussed by the authors is dedicated to regional atmospheric pollution event studies and has been used extensively in the literature to quantify and mitigate the effects of Tropospheric trace gas and aerosol pollution.
Journal ArticleDOI
Online coupled regional meteorology chemistry models in Europe: current status and prospects
Alexander Baklanov,Katharina Heinke Schlünzen,Peter Suppan,José María Baldasano,Dominik Brunner,Sebnem Aksoyoglu,Greg Carmichael,John Douros,Johannes Flemming,Renate Forkel,Stefano Galmarini,Michael Gauss,Georg Grell,Marcus Hirtl,Sylvain M. Joffre,Oriol Jorba,Eigil Kaas,Marko Kaasik,George Kallos,X. Kong,Ulrik Smith Korsholm,A. Kurganskiy,Jonilda Kushta,Ulrike Lohmann,Alexander Mahura,Astrid Manders-Groot,Alberto Maurizi,Nicolas Moussiopoulos,S. T. Rao,Nicholas Savage,Christian Seigneur,Ranjeet S. Sokhi,Efisio Solazzo,Stavros Solomos,B. S. Sørensen,George Tsegas,Elisabetta Vignati,Bernhard Vogel,Yang Zhang +38 more
TL;DR: A comprehensive review of the current research status of online coupled meteorology and atmospheric chemistry modelling within Europe and highlights selected scientific issues and emerging challenges that require proper consideration to improve the reliability and usability of these models for the three scientific communities.
Journal ArticleDOI
A regional air quality forecasting system over Europe : the MACC-II daily ensemble production
Virginie Marécal,Vincent-Henri Peuch,Camilla Andersson,S. Andersson,Joaquim Arteta,Matthias Beekmann,Anna Benedictow,Robert Bergström,Bertrand Bessagnet,A. Cansado,F. Cheroux,Augustin Colette,Adriana Coman,R.L. Curier,H.A.C. Denier van der Gon,A. Drouin,Hendrik Elbern,Emanuele Emili,Richard Engelen,Henk Eskes,Gilles Foret,E. Friese,Michael Gauss,Christos Giannaros,Jonathan Guth,Muriel Joly,E. Jaumouille,Béatrice Josse,N. Kadygrov,Johannes W. Kaiser,Kai Krajsek,Jeroen Kuenen,U. Kumar,Natalia Liora,E. Lopez,Laure Malherbe,Isabel M. Martínez,D. Melas,F. Meleux,Laurent Menut,P. Moinat,T. Morales,J. Parmentier,Andrea Piacentini,Matthieu Plu,Anastasia Poupkou,S. Queguiner,Lennart Robertson,Laurence Rouil,Martijn Schaap,Arjo Segers,Mikhail Sofiev,L. Tarasson,Manu Anna Thomas,Renske Timmermans,Alvaro Valdebenito,P. F. J. van Velthoven,R. van Versendaal,Julius Vira,A. Ung +59 more
TL;DR: In this article, the authors describe the pre-operational analysis and forecasting system developed during MACC (Monitoring Atmospheric Composition and Climate) and continued in the MACC-II (summer 2014) European projects to provide air quality services for the European continent.
Journal ArticleDOI
Data assimilation in atmospheric chemistry models: current status and future prospects for coupled chemistry meteorology models
Marc Bocquet,Marc Bocquet,Hendrik Elbern,Henk Eskes,Marcus Hirtl,Rahela Žabkar,Greg Carmichael,Johannes Flemming,Antje Inness,Mariusz Pagowski,J. L. Pérez Camaño,Pablo E. Saide,R. San José,Mikhail Sofiev,Julius Vira,Alexander Baklanov,Claudio Carnevale,Georg Grell,Christian Seigneur +18 more
TL;DR: In this article, the authors review the current status of data assimilation in atmospheric chemistry models with a particular focus on future prospects for data-assimilation in Coupled Chemistry Meteorology Models (CCMM).
Journal ArticleDOI
Presentation of the EURODELTA III intercomparison exercise-evaluation of the chemistry transport models' performance on criteria pollutants and joint analysis with meteorology
Bertrand Bessagnet,Guido Pirovano,Mihaela Mircea,C. Cuvelier,Armin Aulinger,Giuseppe Calori,Giancarlo Ciarelli,Astrid Manders,R. Stern,Svetlana Tsyro,Marta G. Vivanco,Philippe Thunis,Maria-Teresa Pay,Augustin Colette,Florian Couvidat,Frédérik Meleux,Laurence Rouil,Anthony Ung,Sebnem Aksoyoglu,José María Baldasano,Johannes Bieser,Gino Briganti,Andrea Cappelletti,Massimo D'Isidoro,Sandro Finardi,Richard Kranenburg,Camillo Silibello,Claudio Carnevale,Wenche Aas,Jean-Charles Dupont,Hilde Fagerli,Lucia Gonzalez,Laurent Menut,André S. H. Prévôt,Pete Roberts,L. White +35 more
TL;DR: In this article, the authors evaluated the performance of chemistry transport model performances in terms of bias, root mean square error and correlation with respect to the concentrations of air pollutants (NO2, O3, SO2, PM10 and PM2.5), as well as key meteorological variables.
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