Table 4.
Area and nighttime light of identified regions in Shenyang city in 2013 and 2020.
| Urban Area | Urban–Rural Fringe | Rural Area | ||||
|---|---|---|---|---|---|---|
| 2013 | 2020 | 2013 | 2020 | 2013 | 2020 | |
| Area (km2) | 1399 | 1762 | 1872 | 2537 | 8339 | 7502 |
| Min DN | 33.01 | 37.72 | 3.31 | 5.06 | 0.00 | 0.00 |
| Max DN | 63.00 | 63.00 | 62.54 | 63.00 | 21.37 | 25.70 |
| Mean DN | 59.56 | 60.71 | 24.94 | 27.90 | 3.42 | 6.02 |
| Standard deviation of DN | 6.25 | 4.96 | 9.64 | 9.35 | 3.86 | 4.71 |
| Min FI | 0.00 | 0.00 | 2.61 | 1.48 | 0.00 | 0.00 |
| Max FI | 40.67 | 43.75 | 40.67 | 43.75 | 40.07 | 43.75 |
| Mean FI | 7.50 | 5.30 | 16.69 | 15.15 | 4.20 | 6.02 |
| Standard deviation of FI | 9.75 | 8.29 | 7.72 | 7.90 | 3.84 | 4.14 |