Figure 4

Modeled NO 2 concentrations at grid points spaced 200 m apart, averaged over three sessions. (Surfaces were created using Radial Basis Functions. Cutpoints are quantiles of monitoring data from the October 2007 field campaign.)
Modeled NO 2 concentrations at grid points spaced 200 m apart, averaged over three sessions. (Surfaces were created using Radial Basis Functions. Cutpoints are quantiles of monitoring data from the October 2007 field campaign.)