随着科学的发展,对城市经济的发展现状进行实时快速的分析城市经济的发展现状已经成为当代社会发展的必然。通过城市夜间灯光数据的分析统计,结合城市的GDP等相关数据,我们可以知道嘉陵江流域城市经济的发展与城市的第三产业发达程度呈正相关关系,嘉陵江流域经济发达程度沿上中下游呈递减趋势。 With the development of science, the real-time and rapid analysis of the status quo of the development of the urban economy has been the inevitable development of the urban economy. Through the analysis and statistics of urban night light data, combined with the urban GDP and other related data, we can know that the urban economic development in the Jialing River Basin has a positive correlation with the developed degree of the tertiary industry in the city. The economic development in the Jialing River Basin shows a decreasing trend along the middle and lower reaches .