收稿日期: 2016-10-10
修回日期: 2016-12-13
网络出版日期: 2017-09-30
基金资助
国家留学基金委基金（No.201607870010）；福建省教育厅基金（No.JAS160179）；国家自然科学基金（No.41401399）资助
Estimation of Provincial Economic Development Levels Based on DMSP/OLS Nighttime Light Images
Received date: 2016-10-10
Revised date: 2016-12-13
Online published: 2017-09-30
马丹, 程辉, 毛艳玲, 邢世和 . 基于DMSP/OLS夜间灯光影像的省际经济发展水平评估模型研究[J]. 应用科学学报, 2017 , 35(5) : 647 -657 . DOI: 10.3969/j.issn.0255-8297.2017.05.010
This paper produces nighttime light intensity maps across 31 provinces and municipalities in mainland China using the DMSP/OLS nighttime lights data in 2001, 2004 and 2007. Brightness ratio and area ratio are introduced to construct a nighttime light index and a statistics index with ratio analysis and principal component analysis. The indices in 2001 and 2004 are used as training samples and the ones in 2007 as test data to establish a linear regression model at the provincial level. The coefcient of determination is 0.872. Spatio-temporal distribution of provincial socioeconomic development levels in China is analyzed based on the nighttime light index. The results indicate that, by introducing brightness and area ratios, using nighttime light indices to estimate regional socioeconomic development levels is feasible and effective.
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