The stable lighttime data,the radiance-calibrated nighttime light intensity data and the non radiance-calibrated nighttime light intensity data are the three major products that have emerged in the field of the DMSP/OLS nighttime light data.It has several advantages,namely,easy acquisition of data,detection of low-intensity lights,unaffected by shadows,convenient provision of conditions for urbanization strength and its spatial-temporal difference analysis,and so on.At present,there are many research result...