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为识别表层沉积物重金属的来源以及量化源贡献，选取鄱阳湖丰水期表层沉积物为研究对象，测定14种重金属（V、Cr、Co、Ni、Cu、Zn、Sr、Mo、Cd、Sb、W、Pb、Hg和As）的含量，分析其污染及空间分布特征，并利用主成分分析法（PCA）和正定矩阵因子分解法（PMF）对沉积物重金属进行源解析.结果表明：除V和Cr外，Cd、Mo、Hg、Cu、Pb、Zn、W、Sr、As、Ni、Co和Sb的平均含量...
Biomass burning impact on PM 2.5 over the southeastern US during 2007: integrating chemically speciated FRM filter measurements, MODIS fire counts and PMF analysis
the southeastern US FRM filter measurements MODIS fire counts PMF analysis
2010/8/16
Archived Federal Reference Method (FRM) Teflon filters used by state regulatory agencies for measuring PM2.5 mass were acquired from 15 sites throughout the southeastern US and analyzed for water-solu...
Source Apportionment of Air Particulate Matter by Chemical Mass Balance (CMB) and Comparison with Positive Matrix Factorization (PMF) Model
Chemical mass balance (CMB) Source Apportionment Positive matrix factorization (PMF) PIXE PM10-2.2 PM2.2
2016/3/30
The Chemical Mass Balance (CMB) model is one of several receptor models that have been
applied to air quality management. This model quantifies contributions using chemical signatures
characterizing...