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I – TECHNICAL INTERCOMPARISON

I – TECHNICAL INTERCOMPARISON. II – HELP FOR UNDERSTANDING REGIONAL PHENOMENA. III – LINK WITH PRIMEQUAL-ESCOMPTE. I – TECHNICAL INTERCOMPARISON. AIRMARAIX actions in the next weeks Better choice of color legend to recognize models

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I – TECHNICAL INTERCOMPARISON

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  1. 18-19 nov. 2004 • I – TECHNICAL INTERCOMPARISON • II – HELP FOR UNDERSTANDING REGIONAL PHENOMENA • III – LINK WITH PRIMEQUAL-ESCOMPTE

  2. 18-19 nov. 2004 • I – TECHNICAL INTERCOMPARISON • AIRMARAIX actions in the next weeks • Better choice of color legend to recognize models • AIRMARAIX could provide max O3 maps with the same color used by FB (ppb) • EXCEEDANCE • New reglementary threshold could be check up. The complete list of these thresholds could be send • VALIDATION • AIRMARAIX has to check again some 03 maxima • Description of characteristic stations

  3. 18-19 nov. 2004 • I – TECHNICAL INTERCOMPARISON • SYNTHESIS FOR EACH MODEL • Does the model reproduce physics and chemistry during ESCOMPTE IOPs ? (Comparison with observations, statistics, etc…) • - Yes it does , why ? • No it does not, why ? • Defaults / qualities / statistics / scores etc …

  4. 18-19 nov. 2004 • I – TECHNICAL INTERCOMPARISON • IS IT POSSIBLE TO EXTRACT TENDENCIES AMONG ESCOMPTE INVOLVED MODELS ? • For instance : • - Different ways of using the same model have been presented : • Nesting with 3 or 4 imbricates grids gives better results than nesting with only 2 imbricates grids ? • Different ways of using resolution (horizontal and vertical) ? • Different ways of using conditions of limits ? • Is it possible to extract kind of recommendations for Meso-scale modelling : • Help for scenarios reproduction and forecast

  5. 18-19 nov. 2004 • II – HELP FOR UNDERSTANDING REGIONAL PHENOMENA • SYNTHESIS OF INTERCOMPARISON EXERCICE • A LIST OF MAIN PHENOMENA WELL REPRODUCED ? • DOES IT MAKE SENS ? LINKS WITH « MEASUREMENTS TEAMS » SEAMS NECESSARY (MTD group) COMPARISON LIDAR, BALOONS, RADAR UHF VERSUS MODELLING HAS BEEN PERFORMED

  6. 18-19 nov. 2004 • II – HELP FOR UNDERSTANDING REGIONAL PHENOMENA WE STILL HAVE «  SIMPLE » QUESTIONS : DYNAMICS : • WHAT ARE THE MAIN METEOROLOGICAL PARAMETERS INVOLVED IN O3 PEAK FORMATION ? WHAT ARE THE MAIN NECESSARY MET CONDITIONS TO GET POLLUTION ? Vertical and horizontal flows (T, V, Hum. BL height, cloudiness,…) What is the representation of alternativ valley-breeze/ sea-breeze phenomenon ? Vertical structure ?

  7. 18-19 nov. 2004 • II – HELP FOR UNDERSTANDING REGIONAL PHENOMENA CHEMISTRY • WHERE GOES THE O3 PLUME ? • HOW FAR ? HOW FAST ? HOW IT APPEARS ? • WHAT ARE THE MAIN PARAMETERS INVOLVED IN O3 PEAK FORMATION ? • MAIN POLLUTANTS INVOLVED, AEROSOLS ? RESERVOIR EFFECT (OVER THE SEA) SPECIAL VERTICAL SECTIONS COULD BE DECIDED • DOES O3 FORMATION FOLLOWS FRONT BREEZE ? • O3 VELOCITY FORMATION ? O3 VELOCITY DEPOSITION ? • Etc …

  8. 18-19 nov. 2004 • III – LINK WITH PRIMEQUAL-ESCOMPTE • ESCOMPTE MEASUREMENT COMMUNITY • ESCOMPTE MODELLING COMMUNITY SELECTION OF QUESTIONS ? SOME ANSWERS MARSEILLE : FEB 2005 : ESCOMPTE FINAL MEETING PRIMEQUAL ESCOMPTE : SCENARIOS PRIMEQUAL ESCOMPTE : VALORIZATION

  9. 18-19 nov. 2004 • III – LINK WITH PRIMEQUAL-ESCOMPTE • ARE MAIN PHENOMENA WELL UNDERSTOOD (REPRESENTATED) BY MODELS AND BY THE INTERCOMPARISON EXCERCICE ? • AMONG THESES, WHAT ARE PHENOMENA YOU WANT TO VALORISE, ILLUSTRATE AND POPULARIZE ? • In this context : • A LIST OF REPRESENTATIONS (MAPS, ANIMATIONS) WILL BE PREPARED AND PROPOSED TO YOU (GAS Group) • A VALIDATION (IMPLEMENTATION) OF THIS LIST WILL BE SINCERELY APPRECIATED

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