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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 t; Q2 W8 c5 |3 ^" j# ~汤大钢,刘红杰,王 玮,王鸣宇,崔 平,杜 渐 K2 ]6 q2 U; E' Y& T) J/ P5 v ~
(中国环境科学研究院,北京 100012). l2 p( B( _' K" z
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
. P8 J$ d4 v6 \/ r" |% ~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
- e6 }( U7 b1 B: E) [. I/ z& D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0 L" E9 c6 L: X
SO2和NOx高浓度污染空域,同时SO2存在着高浓度汇集区。% e2 I2 k! `+ [' ^' L0 z' G
关键词:酸性降水;二氧化硫;氮氧化物;航空测量
+ Y1 Z" F! d, a中图分类号:X511 文献标识码:A 文章编号:1001-6929(2000)01-0006-04
: U7 r& p8 e B) d. nAircraft Measurement of Atmospheric Pollutants in Winter in North$ E+ |5 ^/ n( E w
ChinaⅠ:Research on Pollution Properties of Gaseous Pollutants, u# y7 N$ s% d/ e# x
TANG Da-gang, LIU Hong-jie, WANG Wei, WANG Ming-yu, CUI Ping, DU Jian
J6 G& y1 R8 x6 _(Chinese Research Academy of Environmental Sciences,Beijing 100012)
1 w. t- l' ~$ R8 I# l' J! F k# VAbstract:In order to understand spatial distributions of acidity causing atmospheric pollutants such as SO2,NOxand study the diffu-' l- Q, O" X: L1 l
sion and transmission properties of the above pollutants and thus therir contributions to the formation of acidic precipitation,in he re-
2 I0 v/ z) A2 R+ Y# J; `search of acidic precipitation during the Eighth Five-Year Plan Period,the aircraft monitoring area in and to the east of Shijiazhuang5 B$ g& ?" c% W+ t
was selected and aircraft monitoring performed on pollution properties of SO2and NOxin winter in North China with consideration of. \# {) ]3 m: D6 f" y! Y& R
the high density of cities and industries in this area.It was found from the monitoring that there are heavily polluted spatial areas2 q+ F7 {* _( \( {# Y( \
caused by SO2and NOxat the height of about 1.5 km and,at the same time,there are areas concentrated with high SO2in North7 F |7 F# H K/ e; o% R- d+ K/ B$ ]
China.
. u& \( ]' v$ _5 W4 ~7 ]Key words:acidic precipitation; SO2; NOx; aircraft measurement |
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发表于 2009-9-20 14:07:51
