重庆市工业园区建设发展与植被变化关系研究

Research on Relationship between Construction Development and Vegetation Changes of Economic and Technological Development Zone in Chongqing

本研究以重庆市工业园区为例,利用2013—2019年夜间灯光遥感数据(NPP/VIIRS),结合Landsat-8数据,对园区范围内夜间灯光亮度以及植被指数(NDVI)进行动态变化分析,并对两者相关性进行分析。同时,利用公开发布的统计年鉴数据拟合获取建成区范围,对工业园区建设状况进行动态分析。结果表明:夜间灯光亮度随着园区建设不断增加,空间上呈现西高东低趋势;2013—2019年工业园区建成区域面积逐渐增加,但增长趋势总体变缓,年际间变化有一定波动性;植被NDVI随着工业园区建设逐渐减小,但少部分区县植被有逐渐变好趋势;NPP/VIIRS与NDVI数据具有一定负相关性,但相关系数不明显,本研究对未来工业园区建设布局和科学管理具有一定参考价值。

This paper analyzed the dynamic changes of NPP/VIIRS and NDVI of Economic and Technological Development Zone in Chongqing,based on night light remote sensing data combined with Landsat-8 data from 2013 to 2019.The correlation analysis between NPP/VIIRS and NDVI was carried out from the study.Using statistical yearbook data to fit the night light brightness data,we analyzed the construction status of the development zone dynamically.The result showed,the brightness data of night lights continued to increase with the construction of Economic and Technological Development Zone,which seemed high in the west and low in the east.The built-up area of the Economic and Technological Development Zone gradually increased,but the growth trend generally slowed down with certain volatility in years.The NDVI decreased with the construction of Economic and Technological Development Zone,but the vegetation in a small number of districts had a trend of gradual improvement.There was negative correlation between NPP/VIIRS and NDVI,but the correlation coefficient is not obvious.The result could have certain reference to construction layout and scientific management of Economic and Technological Development Zone in the future.