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The Spatio-temporal Dynamics Estimation of Economic Growth in Border Regions, China, using DMSP-OLS imagery

  • Journal of the Korean Cartographic Association
  • Abbr : JKCA
  • 2019, 19(2), pp.65-77
  • Publisher : The Korean Cartographic Association
  • Research Area : Social Science > Geography > Geography in general > Cartography
  • Received : July 15, 2019
  • Accepted : August 7, 2019
  • Published : August 31, 2019

Minho Kim 1

1상명대학교

Accredited

ABSTRACT

China has opened its doors to foreign countries from late 1970s, and it has experienced tremendous economic growth in recent years. Meanwhile, an economic-development gap between regions has emerged to be a socio-economic issue in the nation. This research investigated the spatio-temporal dynamics of economic growth, associated with Chinese border regions, using DMSP-OLS time-series imagery at the scales of neighboring countries, zones and cities. To do this, the sum of lights was calculated from the satellite images with inter-calibration, intra-annual calibration, and inter-annual calibration. In addition, subsequent spatio-temporal analyses were made on the basis of coefficient of variation, annual average growth rate, compound annual growth rate and SOL-weighted centroids. This study found the decrease of economic growth gap between border zones. On the contrary, it was also revealed that unequal city-level growth in economy still remains in border regions of China. Such a socio-economic problem might be influenced by geopolitical relationship between the nation and neighboring countries. Both DMSP-OLS and SNPP-VIIRS DNB nighttime imagery would need to be incorporated in future research for making spatio-temporal analysis spanned to the most recent year.

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