The Dynamic Analysis between Urban Nighttime Economy and Urbanization Using the DMSP/OLS Nighttime Light Data in China from 1992 to 2012

1. This paper proposed a nighttime light economy index (NLEI) to investigate the urban NTE level

2. Data: DMSP/OLS Nighttime Light Data
              The administrative boundary maps, Land use/land cover data (http://www.resdc.cn/)

3. Methods
    3.1 Extraction of Built-up Area
          Method: threshold technique
    3.2  The Compound Night Light Index (CNLI)
              

3.3. The Urban Night Light Economy Index (NLEI)