Yang SUN, Xin LIU, Yacong SU, Shuang XU, Bing JI, Zhijie ZHANG. County Urbanization Level Estimated from Nighttime Light Data in Anhui Province [J]. Journal of Geo-information Science, 2020, 22(9): 1837
- Journal of Geo-information Science
- Vol. 22, Issue 9, 1837 (2020)
Fig. 1. Geographical location and administrative division of Anhui Province
Fig. 2. DMSP-OLS nighttime light data in 2013(a) and NPP-VIIRS nighttime light data in December 2013(b) of Anhui Province
Fig. 3. Curve fitting of NPP-VIIRS and DMSP-OLS average nighttime light index
Fig. 4. Spatial distribution of average nighttime light index and urbanization level based on statistical data of Anhui Province in 2013
Fig. 5. Average nighttime light index and urbanization level based on statistical data of some districts and counties of Anhui Province from 2006 to 2015
Fig. 6. Linear regression analysis of average nighttime light index and urbanization level based on statistical data
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Table 1. Comprehensive evaluation index system of urbanization based on statistical data
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