基于夜间灯光影像的中国电力消耗量估算及时空动态

潘竟虎, 李俊峰

Estimate and spatio-temporal dynamics of electricity consumption in China based on DMSP/OLS images

Jinghu PAN, Junfeng LI

表1 省级电力消耗总量与夜间灯光的一元线性拟合方程

Tab. 1 Linear equation between total electricity consumption and DN at provincial scale

年份 一元线性拟合方程 决定系数R2 年份 一元线性拟合方程 决定系数R2 2000 y =0.0845 x +1×106 0.8988 2007 y =0.1825 x +0.47×106 0.8890 2001 y =0.0841 x +1×106 0.8749 2008 y =0.1554 x +1×106 0.8931 2002 y =0.0918 x +1×106 0.8971 2009 y =0.1751 x +2×106 0.8705 2003 y =0.1496 x +0.46×106 0.9178 2010 y =0.1512 x +3×106 0.8724 2004 y =0.1589 x +0.72×106 0.9271 2011 y =0.2196 x +2×106 0.9028 2005 y =0.1743 x +0.54×106 0.9447 2012 y =0.2598 x +4066.1 0.9052 2006 y =0.1556 x +1×106 0.9031