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By Nicolas Fournier, Vicente A. Pais, Mark A. Sutton, Keith J. Weston, Ulli Dragosits (auth.), Dr. Bruno Sportisse (eds.)

This e-book collates the written contributions of the second one convention on pollution Modelling and Simulation (APMS 2001). a variety of present themes is roofed, concentrating on 3 demanding matters: (1) the modelling factor of advanced, multiphase, atmospheric chemistry; (2) the numerical factor linked to finished third-dimensional chemistry-transport versions; and (3) the major problems with info assimilation and inverse modelling. State-of-the paintings examine is gifted with many operational approaches utilized at both forecast organisations or businesses.

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Additional resources for Air Pollution Modelling and Simulation: Proceedings Second Conference on Air Pollution Modelling and Simulation, APMS’01 Champs-sur-Marne, April 9–12, 2001

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S. eontribution appears relatively large eompared to that of Canada. Model Evaluation for Dioxin The modeling predietions at speeifie loeales were eompared to a limited number of available loeal ambient measurements. In 1996, 30-day rural ambient air HYSPLIT Model Estimates of Atmospherie Deposition of Toxie Contaminants Lake Superi or 1~1 CL. - , . - - •• q... 2000' 2500:3500 100·200 400·700 1000·1500 2000·2500 >3500 Di stance Range from Lake (km 1 Lake Mi chi gan j~ol~ r-. c. -"""'"-f"'" 0·100 200·400 100·200 400·700 ~ q: r, =; = • 700·1000 1500·2000 2500·3500 1000·1500 2000·2500 >3500 Di stance Range from Lake (km 1 DEmissions • Deposition Figure 4.

The eontribution of speeifie souree eategories to deposition ean be estimated for individuallakes and for the Basin. Figure indieates the eontribution of dioxin from ineineration, metallurgie al proeessing and fuel eombustion sources to the Great Lakes Basin as an annual per eapita flux. S. eontribution appears relatively large eompared to that of Canada. Model Evaluation for Dioxin The modeling predietions at speeifie loeales were eompared to a limited number of available loeal ambient measurements.

IMII - ... - .... ,... ft&" r,~ .... ,. '"'- ""- I, 0. ~--- ":a/l:" '00. 1:_ Fig. 5. Comparison of predicted and observed surface wind direction tor July 25 and 26, 1999. Solid line indicates the observations and dashed line indicate the predictions. t... 0 , .. \1 I - M _ \ _ I r, ~~ M ' JUL 25 JUL 26 ,. '" ,... oOO JUL 25 JUL 26 (l1l1~-,,_a lE - .. 0 lJ .. 0 " I 2-0. ,. ,. 1 ,,~ VN:IIM ~o 30 ST _ PVIlilU~J J. 0 ' "":~~ ,. '" JUl 25 JUl 26 tANA9_SA. g 11 L . " .. 1QlAS_ Fig. 6. Comparison of predicted and observed surface wind speed for July 25 and 26, 1999.

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