|本期目录/Table of Contents|

[1]李彦鹏,张乾隆,周海博.西安市典型功能区空气小离子浓度分布特征与评价[J].地球科学与环境学报,2010,32(03):297.
　LI Yan-peng,ZHANG Qian-long,ZHOU Hai-bo.Distribution Characteristics and Assessment of Minor Air Ion Concentration in Typical Functional Areas of Xi'an[J].Journal of Earth Sciences and Environment,2010,32(03):297.
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第32卷
期数:
2010年第03期
页码:
297
栏目:
水资源与环境
出版日期:
2010-09-20

文章信息/Info

Title:
Distribution Characteristics and Assessment of Minor Air Ion Concentration in Typical Functional Areas of Xi'an
文章编号:
1672-6561(2010)03-0297-05
作者:
李彦鹏1; 张乾隆2; 周海博1
(1.长安大学 环境科学与工程学院,陕西 西安 710054; 2.陕西科技大学 资源与环境学院,陕西 西安 710021)
Author(s):
LI Yan-peng1;  ZHANG Qian-long2;  ZHOU Hai-bo1
(1.School of Environmental Sciences and Engineering, Chang'an University, Xi'an 710054,Shaanxi, China; 2.School of Resource and Environment, Shaanxi University of Science and Technology, Xi'an 710021, Shaanxi, China)
关键词:
空气离子; 功能区; 单极系数; 评价指数; 空气质量; 数密度
Keywords:
air ion;  functional area;  polarity ratio;  assessment index;  air quality;  number density
分类号:
P427.3
DOI:
-
文献标志码:
A
摘要:
利用DLY-2G型空气离子测量仪对西安市休闲度假区、文教区、交通区和工厂区等4个典型功能区夏季与秋季空气小离子的数密度进行了实测,研究了西安市不同功能区空气小负离子与小正离子的时空变化规律,并对不同功能区的空气质量进行评价。结果表明,西安市典型功能区空气小离子的数密度日变化显著且各有特点,主要呈单峰或双峰形式;不同功能区夏季空气小离子的数密度普遍比秋季高;各功能区空气小离子的数密度分布差异很大,休闲度假区小负离子的数密度在夏秋两季均明显高于其他功能区;与空气离子单极系数评价指标相比,空气离子评价指数能更准确地反映区域空气清洁度。
Abstract:
Number density of minor air ion in four typical functional areas(leisure resort, district of culture and education, traffic area and factory district)of Xi'an was measured in summer and autumn by DLY-2G air ion monitor. Spatial-temporal variations of number density of minor air cation and anion in different functional areas were studied, and then air quality was assessed. The result showed that daily variations of number density of minor air ion in typical functional areas of Xi'an were significant and diverse from each other, and appeared one-peak or double-peak curve; number density of minor air ions was higher in summer than that in autumn; distribution of number density of minor air ions was very different among the functional areas, number density of minor air anion was highest in leisure resort; compared with the method of polarity ratio, air ion assessment index was more reasonable to indicate air cleanliness.

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备注/Memo

备注/Memo:
收稿日期:2009-10-23
基金项目: 教育部科学技术研究重点项目(108116); 西安市科学技术计划项目(YF07195); 中央高校基本科研业务费专项项目(CHD2009JC011)
作者简介: 李彦鹏(1973-),男,陕西泾阳人,教授,工学博士,从事大气环境与空气污染控制研究。E-mail:liyanp01@chd.edu.cn
更新日期/Last Update: 2010-09-20