Variation of correlations between factors and culturable airborne bacteria and fungi

被引：73

作者：

Gao, Min ^{[1
,3
]}

Yan, Xu ^{[2
]}

Qiu, Tianlei ^{[1
]}

Han, Meilin ^{[1
]}

Wang, Xuming ^{[1
]}

机构：

[1] Beijing Acad Agr & Forestry Sci, Beijing Key Lab Agr Genet Resources & Biotechnol, Beijing Agrobiotechnol Res Ctr, Beijing 100097, Peoples R China

[2] Henan Normal Univ, Sch Environm, Xinxiang 453007, Henan, Peoples R China

[3] State Key Lab NBC Protect Civilian, Beijing 102205, Peoples R China

来源：

ATMOSPHERIC ENVIRONMENT | 2016年 / 128卷

基金：

中国国家自然科学基金;

关键词：

Haze level; Meteorological parameters; Air pollutants; Culturable bioaerosols; Beijing; ATMOSPHERIC PARTICULATE MATTER; SIZE DISTRIBUTION; METEOROLOGICAL FACTORS; OUTDOOR ENVIRONMENTS; AIR-POLLUTANTS; MICROORGANISMS; CHINA; BIOAEROSOLS; POLLUTION; HAZE;

D O I：

10.1016/j.atmosenv.2015.12.008

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Bioaerosols, including their characteristics and overall changes correlated with environmental factors, have the potential to impact human health and influence atmospheric dynamics. In this study, the varying interrelationship between the concentration and diameter of culturable bioaerosols and twelve factors including PM2.5 (AQI), PM10 (AQI), sampling time, sampling season, temperature, relative humidity, dew, pressure, wind, O-3, NO2, and SO2 is determined for twelve months during non-haze and haze days in Beijing. Results of principal component analysis (PCA) indicated that the influence of factors on culturable bioaerosols is mainly associated with haze levels, sampling time, and season. Multiple linear regressions showed that the correlation between PM10 (AQI) or temperature and culturable bioaerosols varied at different haze levels. The seasonal influence of PM2.5 (AQI) was observed in culturable bioaerosol concentrations, but not their diameters. A temporal relationship between PM10 (AQI) and culturable bioaerosol concentration was detected during rush hour. SO2 and NO2 show positive and negative correlations with culturable bioaerosol concentrations in the morning/evening and mid-day, respectively. These results are useful for accurately evaluating the health effects of exposure to bioaerosols. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：10 / 19

页数：10

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