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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 e, y# Y5 o% q8 F0 a0 `& t- i
汤大钢,刘红杰,王 玮,王鸣宇,崔 平,杜 渐
3 |6 {* E# T0 K3 n( C(中国环境科学研究院,北京 100012)3 I+ _4 [% e* W3 [
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
+ f' O, y. x; 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' L; j- J; s; s: Y' t) z- p8 O
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
! j! \: `+ L0 s$ u" d6 t4 ~. [SO2和NOx高浓度污染空域,同时SO2存在着高浓度汇集区。
9 N" `& D% R- \ [* H6 O关键词:酸性降水;二氧化硫;氮氧化物;航空测量
a5 [& O+ k* h, [中图分类号:X511 文献标识码:A 文章编号:1001-6929(2000)01-0006-04
/ o4 ]0 m _, W5 A8 H+ I* ZAircraft Measurement of Atmospheric Pollutants in Winter in North
) w& G8 i9 `' V! `1 Y+ E# y+ x8 rChinaⅠ:Research on Pollution Properties of Gaseous Pollutants% h& D, W3 D9 T
TANG Da-gang, LIU Hong-jie, WANG Wei, WANG Ming-yu, CUI Ping, DU Jian8 @! i3 t$ O8 N5 I/ S# Z
(Chinese Research Academy of Environmental Sciences,Beijing 100012)
9 F3 u/ \, Q. W% ~+ R) r- ~8 @Abstract:In order to understand spatial distributions of acidity causing atmospheric pollutants such as SO2,NOxand study the diffu-- L" Q) T6 r T2 U7 x
sion and transmission properties of the above pollutants and thus therir contributions to the formation of acidic precipitation,in he re-; m& T+ ~' M9 A" A; @
search of acidic precipitation during the Eighth Five-Year Plan Period,the aircraft monitoring area in and to the east of Shijiazhuang' P) @1 g; E& `# D i- f
was selected and aircraft monitoring performed on pollution properties of SO2and NOxin winter in North China with consideration of1 d7 I3 y) k$ y2 J
the high density of cities and industries in this area.It was found from the monitoring that there are heavily polluted spatial areas, D; }: X+ t# q/ A% R% Z
caused by SO2and NOxat the height of about 1.5 km and,at the same time,there are areas concentrated with high SO2in North
; |9 j! p- P' R9 T( r6 TChina." ^9 a6 o% z; m% G
Key words:acidic precipitation; SO2; NOx; aircraft measurement |
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