Research Article
Measurement of Urban Expansion and Spatial Correlation of Central Yunnan Urban Agglomeration Using Nighttime Light Data
Table 2
Percentage of the urban built-up area of the CYUA from 2000 to 2018.
| City | 2000 | 2018 | 2000–2018 | Area (km2) | Proportion (%) | Area (km2) | Proportion (%) | Area (km2) | Proportion (%) |
| Kunming city | 149 | 60.08 | 565 | 48.54 | 416 | 45.41 | Qujing city | 25 | 10.08 | 213 | 18.30 | 188 | 20.52 | Yuxi city | 18 | 7.26 | 76 | 6.53 | 58 | 6.33 | Hani-Yi Autonomous Prefecture of Honghe | 32 | 12.90 | 205 | 17.61 | 173 | 18.89 | Yi Autonomous Prefecture of Chuxiong | 24 | 9.68 | 105 | 9.02 | 81 | 8.84 |
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