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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8 u5 m% i% l9 g! b
汤大钢,刘红杰,王 玮,王鸣宇,崔 平,杜 渐7 C( G2 O* K$ N
(中国环境科学研究院,北京 100012)6 J" O: N# \" E; M; J
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. T7 D' ?. ^5 v
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. P+ S. p3 G% g9 u# U6 H, ]- R. ~
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
' l+ g8 p. V4 q8 ?! j$ f5 QSO2和NOx高浓度污染空域,同时SO2存在着高浓度汇集区。1 q9 |7 f! s! o. M
关键词:酸性降水;二氧化硫;氮氧化物;航空测量( Y2 h( a1 J& `
中图分类号:X511 文献标识码:A 文章编号:1001-6929(2000)01-0006-04
7 f4 W2 Z+ _1 k" p; l' YAircraft Measurement of Atmospheric Pollutants in Winter in North
, C9 D2 X$ F/ I1 I* m( gChinaⅠ:Research on Pollution Properties of Gaseous Pollutants
, ^% l5 X0 [+ v0 g! FTANG Da-gang, LIU Hong-jie, WANG Wei, WANG Ming-yu, CUI Ping, DU Jian0 j3 M. m# k& [
(Chinese Research Academy of Environmental Sciences,Beijing 100012)
0 `6 z ^! U$ h" I; J' b* N* u. _Abstract:In order to understand spatial distributions of acidity causing atmospheric pollutants such as SO2,NOxand study the diffu-3 c/ k/ ~7 ]# Y" H
sion and transmission properties of the above pollutants and thus therir contributions to the formation of acidic precipitation,in he re-8 H. A7 U( E" ]) \
search of acidic precipitation during the Eighth Five-Year Plan Period,the aircraft monitoring area in and to the east of Shijiazhuang* E* b5 X$ j; M) X4 c |1 ]
was selected and aircraft monitoring performed on pollution properties of SO2and NOxin winter in North China with consideration of# ]) a7 h0 f7 c5 Z
the high density of cities and industries in this area.It was found from the monitoring that there are heavily polluted spatial areas3 @3 V/ P1 t3 r& H8 B M- X
caused by SO2and NOxat the height of about 1.5 km and,at the same time,there are areas concentrated with high SO2in North! n6 D( l! k9 c) L3 J0 g
China.
1 [6 {$ W! ~. O' MKey words:acidic precipitation; SO2; NOx; aircraft measurement |
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发表于 2009-9-20 14:07:51
