Evaluating Urbanization and Spatial-Temporal Pattern Using the DMSP/OLS Nighttime Light Data: A Case Study in Zhejiang Province

The application of DMSP/OLS nighttime light data provides an effective measure for characterizing urbanization and its spatial-temporal changes. Combined with the social economic statistics and calibrated nighttime data, the nighttime light imagery of Zhejiang province was fully intercalibrated duri...

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Bibliographic Details
Published in:Mathematical problems in engineering 2016-01, Vol.2016 (2016), p.1-8
Main Authors: Wang, Quan, Yang, Yangfan, Jin, Pingbin, Xu, Pengfei
Format: Article
Language:English
Subjects:
DMSP satellites
Economic development
Economic growth
Economics
Energy consumption
GDP
Gross Domestic Product
Guidelines
Light
Meteorological satellites
Night
Pattern analysis
R&D
Regions
Regression analysis
Remote sensing
Research & development
Spatial analysis
Spatiotemporal data
Statistics
Transformations
Urban areas
Urban planning
Urbanization
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Summary:The application of DMSP/OLS nighttime light data provides an effective measure for characterizing urbanization and its spatial-temporal changes. Combined with the social economic statistics and calibrated nighttime data, the nighttime light imagery of Zhejiang province was fully intercalibrated during the period 1992–2013. The backgrounds were explained and the model of region light index (RLI) was built to make further research. The methods of mutation detection, regression analysis, and spatial analysis were adopted in this study. The results show that the urbanization progress of Zhejiang experienced a transformation from rapid development to steady improvement and was accompanied by a changing direction of urban expansion from coastal to inland areas from 2000. Further research indicated that Zhejiang province possessed a relative high level of urbanization, where a spatial pattern of urbanization with one center and four axes was initially formed. It is a novel attempt to investigate the urbanization of Zhejiang province on the basis of the DMSP/OLS night-lighting data, which may provide a significant guideline for the urban planning and development.
ISSN:1024-123X
1563-5147
DOI:10.1155/2016/9850890