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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
) a& f+ J: _" W% }汤大钢,刘红杰,王 玮,王鸣宇,崔 平,杜 渐
n/ M" U% `. ?' l$ |0 |(中国环境科学研究院,北京 100012)
/ Y3 Q. f* p! e5 K* i$ 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+ i* |! V; r) y! c8 S# m
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
; k5 J; w1 e! Z4 e1 V. b3 z2 q. x. b; Q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 R4 `* r$ a% v ]% _& `0 J
SO2和NOx高浓度污染空域,同时SO2存在着高浓度汇集区。9 y8 U6 Y* _0 ^ Q4 K [2 A
关键词:酸性降水;二氧化硫;氮氧化物;航空测量
- [* Q/ T# a; B3 ]中图分类号:X511 文献标识码:A 文章编号:1001-6929(2000)01-0006-04
( \) V- |0 d1 |- Z8 k' b$ {, K0 EAircraft Measurement of Atmospheric Pollutants in Winter in North
( |4 B, k" _: f2 y JChinaⅠ:Research on Pollution Properties of Gaseous Pollutants
D% E. ]# `' m6 ^/ m+ D4 QTANG Da-gang, LIU Hong-jie, WANG Wei, WANG Ming-yu, CUI Ping, DU Jian3 U6 x1 y2 _ `3 H- K7 U
(Chinese Research Academy of Environmental Sciences,Beijing 100012)9 h( _5 X+ M* A0 J) U( C$ F, g
Abstract:In order to understand spatial distributions of acidity causing atmospheric pollutants such as SO2,NOxand study the diffu-) @4 m! e; E' ]( k
sion and transmission properties of the above pollutants and thus therir contributions to the formation of acidic precipitation,in he re-" C# s+ q. D. z0 _* U h
search of acidic precipitation during the Eighth Five-Year Plan Period,the aircraft monitoring area in and to the east of Shijiazhuang
+ t" ^; `; Q: U Z/ n5 Ewas selected and aircraft monitoring performed on pollution properties of SO2and NOxin winter in North China with consideration of
! h7 x4 k6 @& `8 p' Vthe high density of cities and industries in this area.It was found from the monitoring that there are heavily polluted spatial areas
/ C9 ]; {& {5 L4 d4 Lcaused by SO2and NOxat the height of about 1.5 km and,at the same time,there are areas concentrated with high SO2in North
" ~: u" S5 V' w, X3 L) V; sChina.
- k8 m) p& P$ A% u- LKey words:acidic precipitation; SO2; NOx; aircraft measurement |
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