Addition/Correction pubs.acs.org/est
Correction to Coupling Chemical Transport Model Source Attributions with Positive Matrix Factorization: Application to Two IMPROVE Sites Impacted by Wildfires Timothy M. Sturtz, Bret A. Schichtel, and Timothy V. Larson* Environ. Sci. Technol. 2014 48 11389−11396; DOI: 10.1021/es502749r. Equation 5 should read 2 n v ⎡ ⎡ εij ⎤2 ε′it ⎤ ⎢ ⎥ + (γ ) ∑ ∑ ⎢ ⎥ + Q = (1 − γ ) ∑ ∑ ⎣ σij ⎥⎦ i=1 j=1 ⎢ i = 1 t = 1 ⎣ ωit ⎦ n
b
+
m
w
∑ us s=1
c
∑ ∑ ulr l=1 r=1
The ordinate label in Figure 2 should read “Mass Fraction (μg per μg of total carbon)”.
Published: October 20, 2014 © 2014 American Chemical Society
13021
dx.doi.org/10.1021/es504856e | Environ. Sci. Technol. 2014, 48, 13021−13021