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中国华北地区冬季大气污染物航空测量(Ⅰ)——空中气态污染物污染特征研究4 B' p% i, g. h ^ G- s
汤大钢,刘红杰,王 玮,王鸣宇,崔 平,杜 渐) S8 H4 k0 M3 V. W; ~$ u* q
(中国环境科学研究院,北京 100012)
/ v- q' M; j9 ^摘要:为掌握致酸大气污染物SO2和NOx的空间浓度分布,并探讨上述污染物扩散、迁移和传输规律,进而研究其在酸性降水形成过程中的- [/ U. e8 L1 T% W9 T! k
作用,在“八五”期间酸性降水的研究中,针对中国华北地区城市和工业集中以及SO2和NOx等酸性大气污染物排放量大的特点,以石家庄及1 E6 t' ?3 z& ?# P0 |% M
其以东地区为飞行区域,进行了华北地区冬季空中SO2和NOx污染特征的航空测量。通过测定发现在华北地区1·5 km左右的空中存在着
% z0 L7 B% [2 A6 a- d* R2 TSO2和NOx高浓度污染空域,同时SO2存在着高浓度汇集区。/ c3 C# g5 S) D2 i
关键词:酸性降水;二氧化硫;氮氧化物;航空测量
6 x; U o3 b( F5 x中图分类号:X511 文献标识码:A 文章编号:1001-6929(2000)01-0006-044 i2 }; u' E7 Z6 z
Aircraft Measurement of Atmospheric Pollutants in Winter in North* C5 {( U' k# d) i# a: l7 R7 e. E
ChinaⅠ:Research on Pollution Properties of Gaseous Pollutants
) \: s3 r! a9 \1 c. l& d6 {" Z6 x0 L/ STANG Da-gang, LIU Hong-jie, WANG Wei, WANG Ming-yu, CUI Ping, DU Jian
3 |. p+ t& a5 p5 O' L S8 P(Chinese Research Academy of Environmental Sciences,Beijing 100012)
1 H' V- d9 }6 oAbstract:In order to understand spatial distributions of acidity causing atmospheric pollutants such as SO2,NOxand study the diffu-+ m4 L2 k8 l5 a
sion and transmission properties of the above pollutants and thus therir contributions to the formation of acidic precipitation,in he re-; G* K0 o% d: M7 [1 K' `9 g% h
search of acidic precipitation during the Eighth Five-Year Plan Period,the aircraft monitoring area in and to the east of Shijiazhuang5 Z2 [7 d- n) k& I9 H5 z
was selected and aircraft monitoring performed on pollution properties of SO2and NOxin winter in North China with consideration of5 l4 D5 H6 h. \1 q
the high density of cities and industries in this area.It was found from the monitoring that there are heavily polluted spatial areas
+ z( i. j8 u/ K( n+ rcaused by SO2and NOxat the height of about 1.5 km and,at the same time,there are areas concentrated with high SO2in North/ h3 I0 ? O* t- j1 }
China.
/ ~" N1 }6 T2 `! k1 B& PKey words:acidic precipitation; SO2; NOx; aircraft measurement |
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发表于 2009-9-20 14:07:51
