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

<div>The spatial distribution of the urban built-up area of the CYUA. (a) Kunming city; (b) Qujing city; (c) Yuxi city; (d) Yi Autonomous Prefecture of Chuxiong; (e) Hani-Yi Autonomous Prefecture of Honghe.</div>

Mathematical Problems in Engineering

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Figure 4: Measurement of Urban Expansion and Spatial Correlation of Central Yunnan Urban Agglomeration Using Nighttime Light Data 