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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* u8 }! x+ A i) V
汤大钢,刘红杰,王 玮,王鸣宇,崔 平,杜 渐0 ?' M/ e `$ K( Z4 _
(中国环境科学研究院,北京 100012)
) U, p8 P4 [* V& P4 g8 R: w# N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
' C ^+ f2 m7 b" B4 B4 ~! t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6 x* Y& Y/ _; D! g2 X 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
' Y2 y1 D; t, F2 aSO2和NOx高浓度污染空域,同时SO2存在着高浓度汇集区。; i3 r" D% ^6 f" ^$ S7 C/ h
关键词:酸性降水;二氧化硫;氮氧化物;航空测量
, \; R# ?" [) l, ]) c4 e. C中图分类号:X511 文献标识码:A 文章编号:1001-6929(2000)01-0006-047 v. s9 d+ |, A3 i" o
Aircraft Measurement of Atmospheric Pollutants in Winter in North* d3 f: A, f' m& F) n. U1 H* t7 {
ChinaⅠ:Research on Pollution Properties of Gaseous Pollutants% n k2 P4 X& k% U+ ~) N5 }% N4 d
TANG Da-gang, LIU Hong-jie, WANG Wei, WANG Ming-yu, CUI Ping, DU Jian
& r" o" Q9 o b. P# y' k, Q e! _(Chinese Research Academy of Environmental Sciences,Beijing 100012)! W5 s9 F% F! K3 m0 |: o
Abstract:In order to understand spatial distributions of acidity causing atmospheric pollutants such as SO2,NOxand study the diffu-1 \! \6 K8 p- t) z) D
sion and transmission properties of the above pollutants and thus therir contributions to the formation of acidic precipitation,in he re-0 T. t4 O! Q8 w5 b
search of acidic precipitation during the Eighth Five-Year Plan Period,the aircraft monitoring area in and to the east of Shijiazhuang
/ [1 k5 x$ B! e; z7 H0 ` I0 nwas selected and aircraft monitoring performed on pollution properties of SO2and NOxin winter in North China with consideration of* R4 W; c, u( I7 z' B
the high density of cities and industries in this area.It was found from the monitoring that there are heavily polluted spatial areas3 ]/ p s1 \) a" Q
caused by SO2and NOxat the height of about 1.5 km and,at the same time,there are areas concentrated with high SO2in North
: Z3 V% A, F& I' I7 \9 R* ~ uChina.
# x- A0 I& f P% `Key words:acidic precipitation; SO2; NOx; aircraft measurement |
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