• 关键词：逆温破坏型熏烟  熏烟地面浓度最大值  熏烟高浓度区延伸范围

• 基金项目：

• 魏生生
• 中国气象科学研究院, 北京 100081

• 俎铁林
• 中国气象科学研究院, 北京 100081

• 林学范
• 中国气象科学研究院, 北京 100081

• 张庆阳
• 中国气象科学研究院, 北京 100081

• 摘要：讨论了逆温破坏型熏烟(以下简称熏烟)过程及其浓度预测中的几个问题.介绍了熏烟地面浓度最大值(C_fm)及其空间分布的正确计算方法.分析了对其影响的各种因素和高浓度区的延伸范围.C_fm比最大地面浓度C_m大几倍,C_fm>C_m的范围可延伸到有效源高的70倍.

• Abstract：The mechanism and some questions in the concentration prediction of inversion break up fumigation(IBF)are studied.The correct algorithum for the maximum ground concentrat ion of IBF(C_{fm)and the isoplet h of ground concentration of IBF is present ed.Various f actor that the Cfm depended on and t he ext ents of high concentrat ion are analysed.The Cfm is several times as large as the maximum ground concent rat ion of normal(Cm)and th e range of CfmCm is ext ended about 70 t imes as long as th e ef fect ive height of emission.}

• Key words：inversion break up fumigation(IBF)  maximum ground concetration  extent of high concentration of IBF

• 
  摘要点击次数： 1600 全文下载次数： 2793