中國北方某市城區(qū)室內(nèi)外細(xì)顆粒物污染特征研究
發(fā)布時間：2023-06-03 08:13
城市中個人暴露于PM2.5及其所包含的化合物情況比較復(fù)雜,來源包括居民區(qū),商業(yè)和工業(yè)部門,個人進(jìn)入各類環(huán)境暴露的總和。民居室內(nèi)外空氣中PM2.5暴露水平的相關(guān)研究引發(fā)關(guān)注。近年來,東北寒冷地區(qū)冬季供暖和生物質(zhì)燃燒導(dǎo)致霧霾污染加劇。本研究旨在通過實測和模型計算的方法,研究中國北方寒冷地區(qū)室內(nèi)和室外微觀環(huán)境中PM2.5和PM10的污染特征,采用多種模型方法開展顆粒物污染來源解析,通過多種方法計算室外污染物的滲透率,并評估室內(nèi)外顆粒物對人類健康的影響。通過實測大氣環(huán)境中顆粒物的污染水平,開展PM2.5和PM10污染特征研究,結(jié)果表明:PM2.5和PM10的年平均質(zhì)量濃度分別為82.4μg/m3和120.1μg/m3,相對濕度和風(fēng)是影響PM2.5和PM10分布模式的主要因素。同時主要水溶性離子(NO3-...
【文章頁數(shù)】：152 頁
【學(xué)位級別】：博士
【文章目錄】：
摘要 Abstract Chapter 1 Introduction
1.1 Background
1.2 Fine and coarse particles: general overview
1.3 Chemical composition of PM2.5 and PM10
1.4 Source apportionment with receptor models
1.4.1 Modeling with positive matrix factorization
1.4.2 Modeling with UNMIX
1.4.3 Modeling with principal component analysis
1.5 Estimation of infiltration of outdoor particles into indoors
1.6 Estimation of enrichment factors
1.7 Potential health effects of exposure to PM2.5 and PM10
1.8 Problem statement and scope of study
1.8.1 Problem statement
1.8.2 study objectives
1.9 Source and main contents
1.9.1 Source
1.9.2 Main contents Chapter 2 Materials and methods
2.1 Study area
2.2 Sampling strategy
2.3 Chemical analysis
2.4 Quality control/quality assurance
2.5 Modeling of emission sources
2.5.1 Source apportionment with PMF model
2.5.2 Modeling with UNMIX
2.6 Statistical analysis
2.6.1 Estimation of enrichment factors
2.6.2 Non-metric Multi-Dimensional scaling
2.6.3 Partial least square (PLS) regression
2.6.4 Calculation of PAHs infiltration into indoors
2.6.5 Estimation of cancer risk of PAHs exposure Chapter 3 Characteristics and source apportionment of PM10 and PM2.5 in ambientenvironment
3.1 Mass concentrations of PM10 and PM2.5 in ambient environment
3.2 Analysis on chemical composition of PM10 and PM2.5
3.3 Annual variations of PM10 and PM2.5 attributed to weather conditions
3.4 Seasonal variations of PM10 and PM2.5 due to meteorological parameters
3.5 Intercorrelations among the different species based on Pearson’s correlations
3.6 Investigation of distribution patterns of PM2.5 and PM10 using Linear discriminantanalysis
3.7 Source apportionment with PMF and UNMIX
3.8 Summary
3.9 本章小結(jié) Chapter 4 Findings of inorganic contents of indoor and outdoor PM2.5
4.1 Estimation of indoor/outdoor relations of PM2.5 and its contents
4.2 Evaluation of infiltration and similarity between indoor and outdoor PM2.5 usingNMDS
4.3 Confirmatory analysis and source apportionment with Partial Least Squareregression
4.4 Estimating impact of anthropogenic vs. natural sources
4.5 Summary
4.6 本章小結(jié) Chapter 5 Investigation on polycyclic aromatic hydrocarbons bound to PM2.5 inindoor and outdoor air
5.1 Total mass levels of PAHs
5.2 Concentrations of individual PAH compounds
5.3 Estimation of outdoor originated PAHs
5.4 Investigating distribution patterns with Linear discriminant analysis
5.5 Association between PAHs, meteorological parameters and carbonaceous species
5.6 Implications for cancer risk
5.6.1 Relative Potency Factor Approach
5.6.2 Surrogate marker approach
5.7 Source apportionment and estimation of diagnostic isomeric ratios
5.8 Summary
5.9 本章小結(jié) 結(jié)論 Conclusion References Papers published in the period of Ph.D. education Acknowledgement Resume
本文編號：3828968
【文章頁數(shù)】：152 頁
【學(xué)位級別】：博士
【文章目錄】：
摘要 Abstract Chapter 1 Introduction
1.1 Background
1.2 Fine and coarse particles: general overview
1.3 Chemical composition of PM2.5 and PM10
1.4.1 Modeling with positive matrix factorization
1.4.2 Modeling with UNMIX
1.4.3 Modeling with principal component analysis
1.5 Estimation of infiltration of outdoor particles into indoors
1.6 Estimation of enrichment factors
1.7 Potential health effects of exposure to PM2.5 and PM10
1.8.1 Problem statement
1.8.2 study objectives
1.9 Source and main contents
1.9.1 Source
1.9.2 Main contents Chapter 2 Materials and methods
2.1 Study area
2.2 Sampling strategy
2.3 Chemical analysis
2.4 Quality control/quality assurance
2.5 Modeling of emission sources
2.5.1 Source apportionment with PMF model
2.5.2 Modeling with UNMIX
2.6 Statistical analysis
2.6.1 Estimation of enrichment factors
2.6.2 Non-metric Multi-Dimensional scaling
2.6.3 Partial least square (PLS) regression
2.6.4 Calculation of PAHs infiltration into indoors
2.6.5 Estimation of cancer risk of PAHs exposure Chapter 3 Characteristics and source apportionment of PM10 and PM2.5 in ambientenvironment
3.1 Mass concentrations of PM10 and PM2.5 in ambient environment
3.2 Analysis on chemical composition of PM10 and PM2.5
3.4 Seasonal variations of PM10 and PM2.5 due to meteorological parameters
3.5 Intercorrelations among the different species based on Pearson’s correlations
3.6 Investigation of distribution patterns of PM2.5 and PM10 using Linear discriminantanalysis
3.7 Source apportionment with PMF and UNMIX
3.8 Summary
3.9 本章小結(jié) Chapter 4 Findings of inorganic contents of indoor and outdoor PM2.5
4.2 Evaluation of infiltration and similarity between indoor and outdoor PM2.5 usingNMDS
4.3 Confirmatory analysis and source apportionment with Partial Least Squareregression
4.4 Estimating impact of anthropogenic vs. natural sources
4.5 Summary
4.6 本章小結(jié) Chapter 5 Investigation on polycyclic aromatic hydrocarbons bound to PM2.5 inindoor and outdoor air
5.1 Total mass levels of PAHs
5.2 Concentrations of individual PAH compounds
5.3 Estimation of outdoor originated PAHs
5.4 Investigating distribution patterns with Linear discriminant analysis
5.5 Association between PAHs, meteorological parameters and carbonaceous species
5.6 Implications for cancer risk
5.6.1 Relative Potency Factor Approach
5.6.2 Surrogate marker approach
5.7 Source apportionment and estimation of diagnostic isomeric ratios
5.8 Summary
5.9 本章小結(jié) 結(jié)論 Conclusion References Papers published in the period of Ph.D. education Acknowledgement Resume
本文編號：3828968
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