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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
1 o7 w/ ?- N5 u6 \4 b: Z汤大钢,刘红杰,王 玮,王鸣宇,崔 平,杜 渐
4 ?4 F) q( J' F4 D5 G; g(中国环境科学研究院,北京 100012)3 E: W; s! T: K: G: p
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. [* E/ f0 f2 F, H: s
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
8 J* }+ A( m: P4 T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. f; i( p/ H- F+ z+ G3 f' C4 v) U! C
SO2和NOx高浓度污染空域,同时SO2存在着高浓度汇集区。
- d; S- D- T& b关键词:酸性降水;二氧化硫;氮氧化物;航空测量
4 L& U" D9 p# e中图分类号:X511 文献标识码:A 文章编号:1001-6929(2000)01-0006-04
- o) }. T& g* N3 {' CAircraft Measurement of Atmospheric Pollutants in Winter in North
! Z% [ q% n( Q+ N' FChinaⅠ:Research on Pollution Properties of Gaseous Pollutants( {3 J- o g7 @3 S. J8 k% n
TANG Da-gang, LIU Hong-jie, WANG Wei, WANG Ming-yu, CUI Ping, DU Jian8 T; p4 v1 Q# c: l- Z3 c# G
(Chinese Research Academy of Environmental Sciences,Beijing 100012)
5 I* a+ f: z* \5 N( W. QAbstract:In order to understand spatial distributions of acidity causing atmospheric pollutants such as SO2,NOxand study the diffu-
6 S. a( W% A8 @0 h1 _sion and transmission properties of the above pollutants and thus therir contributions to the formation of acidic precipitation,in he re-9 l5 C* K* M' H1 b* ^# A# q% {- |
search of acidic precipitation during the Eighth Five-Year Plan Period,the aircraft monitoring area in and to the east of Shijiazhuang
9 u0 K9 n* I M$ ^was selected and aircraft monitoring performed on pollution properties of SO2and NOxin winter in North China with consideration of
# e& r9 o/ N) _3 g1 ?( L9 x; A9 f. xthe high density of cities and industries in this area.It was found from the monitoring that there are heavily polluted spatial areas! X8 c! a: _+ W- j$ g u$ f
caused by SO2and NOxat the height of about 1.5 km and,at the same time,there are areas concentrated with high SO2in North
8 O0 \% D9 H; i2 A$ n# ?' O ~$ } [; OChina.
2 y' Y8 p5 L! ~5 O6 O5 [" kKey words:acidic precipitation; SO2; NOx; aircraft measurement |
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