Table 3.
UHI, NDVI and NDWI and PM10 concentration of different districts/counties in March 2009.
| Function Zone | Districts/Counties | UHI | NDVI | NDWI | PM10 |
|---|---|---|---|---|---|
| Core functional zone | Dongcheng | 0.0949 | −0.0340 | 2.1858 | 122.1179 |
| Xicheng | 0.1032 | −0.0479 | 2.26298 | 122.4633 | |
| Expanding urban functional zone | Chaoyang | 0.1347 | −0.0110 | 1.82502 | 103.6067 |
| Fengtai | 0.2059 | −0.0087 | 1.63885 | 103.0618 | |
| Shijingshan | 0.1738 | −0.0027 | 1.51558 | 98.6612 | |
| Haidian | 0.1295 | 0.0075 | 1.46408 | 91.0722 | |
| New urban development zone | Fangshan | 0.0821 | 0.0142 | 1.88004 | 86.1678 |
| Tongzhou | 0.1630 | 0.0240 | 1.64704 | 77.9883 | |
| Shunyi | 0.1159 | 0.0233 | 1.04961 | 78.8774 | |
| Changping | 0.1718 | 0.0201 | 1.16889 | 80.9161 | |
| Daxing | 0.1980 | 0.0169 | 1.12659 | 83.1933 | |
| Ecological conservation development zone | Mentougou | −0.0294 | 0.0246 | 1.59843 | 79.5299 |
| Huairou | 0.0314 | 0.0482 | 1.87591 | 66.9317 | |
| Pinggu | −0.2141 | 0.0423 | 2.11136 | 70.1956 | |
| Miyun | −0.1543 | 0.0325 | 1.79686 | 75.3956 | |
| Yanqing | −0.1562 | 0.0307 | 1.75038 | 76.3468 |
Note: “PM10” represents the average PM10 concentration (μg/m3) in different districts or counties.