Quantifying the Sources of the Severe Haze over  the Southern Hebei Using the CMAQ Model

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="812469.fig.004a" src="https://static.hindawi.com/articles/tswj/volume-2013/812469/figures/812469.fig.004a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Beijing-Tianjin</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="812469.fig.004b" src="https://static.hindawi.com/articles/tswj/volume-2013/812469/figures/812469.fig.004b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Shanxi </td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="812469.fig.004c" src="https://static.hindawi.com/articles/tswj/volume-2013/812469/figures/812469.fig.004c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b>Henan</td></tr></table></td></tr><tr class="fig-image" id="d"><td><img alt="812469.fig.004d" src="https://static.hindawi.com/articles/tswj/volume-2013/812469/figures/812469.fig.004d.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(d) </b>Shandong </td></tr></table></td></tr></table>

<table>Contribution ratios of daily average PM<sub>2.5</sub> concentration from sector sources of the surrounding areas to Shijiazhuang in July 2007.</table>

The Scientific World Journal

fig4

Figure 4

Figure 4: Quantifying the Sources of the Severe Haze over  the Southern Hebei Using the CMAQ Model 