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

<div>The difference between the weighted urban center of gravity and unweighted urban center of gravity. (a) Kunming city. (b) Hang-Yi Autonomous Prefecture of Hongle.</div>

Mathematical Problems in Engineering

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Figure 7

Figure 7: Measurement of Urban Expansion and Spatial Correlation of Central Yunnan Urban Agglomeration Using Nighttime Light Data 