CAJ | 학술논문

NCAR MM 模式可较好再现 O3体积分数（φO3）的变化，本文利用 NCAR MM 模式对2009年天津市夏季大气臭氧进行了模拟分析，并利用模式绘制了 O3日最大体积分数变化图。结果表明：在当前污染水平下，NOX 体积分数（φNOX ）每增加10.0％，φO3将降低约5.0％；φNOX每降低10.0％，φO3将升高4.0％；当φNOX为观测值的60.0％时，φO3达最大值。非甲烷有机化合物 NMHC 体积分数每减少10.0％，φO3将降低4.0％。NMHC 各组分中，烯烃对 O3生成的贡献最大，占总贡献的53.3％；其次为芳香烃，占总贡献的35.1％；再次为烷烃，占总贡献的9.2％，卤代烃和含氧烃对 O3的贡献率仅为2.0％。天津市夏季城区 O3处于 NMHC 控制区，φO3对 NMHC 更敏感，控制含丙烯和丁烯等烯烃的排放可有效控制天津地区夏季 O3的体积分数。
NCAR MM 모식가교호재현 O3체적분수（φO3）적변화，본문이용 NCAR MM 모식대2009년천진시하계대기취양진행료모의분석，병이용모식회제료 O3일최대체적분수변화도。결과표명：재당전오염수평하，NOX 체적분수（φNOX ）매증가10.0％，φO3장강저약5.0％；φNOX매강저10.0％，φO3장승고4.0％；당φNOX위관측치적60.0％시，φO3체최대치。비갑완유궤화합물 NMHC 체적분수매감소10.0％，φO3장강저4.0％。NMHC 각조분중，희경대 O3생성적공헌최대，점총공헌적53.3％；기차위방향경，점총공헌적35.1％；재차위완경，점총공헌적9.2％，서대경화함양경대 O3적공헌솔부위2.0％。천진시하계성구 O3처우 NMHC 공제구，φO3대 NMHC 경민감，공제함병희화정희등희경적배방가유효공제천진지구하계 O3적체적분수。
A validated model of NCAR Master Mechanism (MM)can well simulate concentration of ozone (O3 ). Summer O3 was simulated by the NCAR MM in 2009 in Tianjin,and variation of daily maximum volume fraction was illustrated by the model.The results indicate that O3 volume fraction will decrease by 5% if NOX volume frac-tion increases by 10% under the current pollution condition,while O3 volume fraction will increase by 4% if NOX volume fraction decreases by 10%.O3 volume fraction reaches the maximum value when NOX volume fraction is equal to 60% of observed value.O3 volume fraction will decrease by 4% if non-methane hydrocarbons (NMHC) volume fraction decreases by 10%.Among all components of NMHC,Alkenes contribute to reducing O3 concen-tration and account for 53.3% of the total,following aromatics (35.1%)and Alkanes (9.2%),while halo-hy-drocarbons and oxygenates only contribute 2%.Therefore,the concentration of O3 in urban area of Tianjin is con-trolled by NMHC in summer and the most effective way to reduce concentration of O3 is decreasing or controlling the emission of alkenes such as propylene and butane etc..