Joshua G. Hemann

Assessing positive matrix factorization model fit: a new method to estimate uncertainty and bias in factor contributions at the measurement time scale

Joshua G. Hemann, Greg Brinkman, Steven J. Dutton et al. · Atmospheric chemistry and physics · 2009 · 62 citations · Full text

Public Health, Environmental Sciences, Air Pollution +16

Positive Matrix Factorization of PM_2.5: Comparison and Implications of Using Different Speciation Data Sets

Mingjie Xie, Michael Hannigan, Steven J. Dutton et al. · Environmental Science & Technology · 2012 · 51 citations

Natural Sciences, Environmental Sciences, Atmospheric Chemistry +13

Positive matrix factorization of a 32-month series of daily PM2.5 speciation data with incorporation of temperature stratification

Mingjie Xie, Ricardo Piedrahita, Steven J. Dutton et al. · Atmospheric Environment · 2012 · 46 citations · Full text

Natural Sciences, Earth Sciences, Environmental Sciences +12

Intra-urban spatial variability and uncertainty assessment of PM2.5 sources based on carbonaceous species

Mingjie Xie, Teresa L. Coons, Joshua G. Hemann et al. · Atmospheric Environment · 2012 · 24 citations · Full text

Natural Sciences, Earth Sciences, Environmental Sciences +17