| 北京秋季地面O3的一维模式模拟研究 |
| |
| 引用本文： | 刘玉彻,颜鹏,丁国安.北京秋季地面O3的一维模式模拟研究[J].气象科技,2006,34(6):649-655. |
| |
| 作者姓名： | 刘玉彻 颜鹏 丁国安 |
| |
| 作者单位： | 1. 中国气象科学研究院,北京,100081;中国气象局沈阳大气环境研究所,沈阳,110016
2. 中国气象科学研究院,北京,100081 |
| |
| 基金项目： | 国家重点基础研究发展计划(973计划);科技部国际科技合作计划 |
| |
| 摘 要： | 用一维光化学模式,基本模拟出静稳天气条件下2001年9月9日北京几个主要大气污染物种:O3、NO、NO2、CO以及SO2的日变化特点,并解释了影响O3及NO、NO2、CO和SO2日变化的控制因子作用。初步分析认为,地面O3对非甲烷碳氢化合物(NMHC)的变化很敏感。NMHC的增加或减少,将会造成O3的明显改变。造成9月9日夜间20:00~23:00一次污染物NO、CO和SO2浓度急剧升高的原因是由于夜间大气层结稳定情况下,大气的垂直扩散减弱,污染物在底层积累造成的。由于实际大气中,影响O3生成和损耗的机制很复杂,同时大气的平流输送是影响O3及其他污染物分布的重要因素,用一维模式虽然能够揭示出影响O3变化的几个因子的作用,但要深入分析O3产生和消耗机制,还需要用三维模式。
|
| 关 键 词： | 一维光化学模式 O_3 O_3前体物 |
| 收稿时间： | 2005-10-09 |
| 修稿时间： | 2006-10-09 |
Simulation Experiments on Surface Ozone and Its Precursors in Autumn with One-Dimension Model |
| |
| Liu Yuche,Yan Peng,Ding Guoan.Simulation Experiments on Surface Ozone and Its Precursors in Autumn with One-Dimension Model[J].Meteorological Science and Technology,2006,34(6):649-655. |
| |
| Authors: | Liu Yuche Yan Peng Ding Guoan |
| |
| Institution: | 1 Chinese Academy of Meteorological Sciences, Beijing 100081; 2 Shengyang Institute of Atmosphere Environment, CMA, Shengyang 110016 |
| |
| Abstract: | With one-dimension photochemical model,the simulation is conducted on the diurnal variation of O_3,NO,NO_2,CO and SO_2 on 9 September 2001 in stable weather and the controlling factors for the diurnal change are explained.The preliminary analysis shows that the O_3 concentration is sensitive to non-methane hydrocarbon(NMHC).The increase or decrease of NMHC concentration results in the distinct variation of ozone concentration.The cause of NO,CO and SO_2 concentration increase from 20:00 to 23:00 on 9 September 2001 is the weak vertical diffusion and accumulated pollutants at the lower atmosphere at night.The producing and depleting mechanisms of O_3 are complex and the transportation is important for O_3 and its precursors.Though one-dimension model can reveal the main factors influencing O_3 concentration,the three-dimension model is needed to explain more phenomena.These conclusions are derived only from a few experiments.The O_3 pollution in summer over Beijing is very complex,needing further study and validation. |
| |
| Keywords: | one-dimension model surface ozone ozone precursor |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
| 点击此处可从《气象科技》浏览原始摘要信息 |
| 点击此处可从《气象科技》下载免费的PDF全文 |
|
