Measurement of Urban Expansion and Spatial Correlation of Central Yunnan Urban Agglomeration Using Nighttime Light Data

<div>The spatial distribution of urban gravity center of the CYUA. (a) Kunming city. (b) Qujing city. (c) Yuxi city. (d) Yi Autonomous Prefecture of Chuxiong. (e) Hani-Yi Autonomous Prefecture of Hongle.</div>

Mathematical Problems in Engineering

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Figure 5

Figure 5: Measurement of Urban Expansion and Spatial Correlation of Central Yunnan Urban Agglomeration Using Nighttime Light Data 