基于DMSP/OLS夜间灯光数据的京津冀地区城市空间扩展与空间关联测度

陈昕, 彭建, 刘焱序, 陈云谦, 郦天昳

Measuring spatial expansion and correlations of cities in Beijing-Tianjin-Hebei Urban Agglomeration using DMSP/OLS nighttime light data

Xin CHEN, Jian PENG, Yanxu LIU, Yunqian CHEN, Tianyi LI

表1 DMSP/OLS数据多传感器DN值校正回归模型参数

Tab. 1 Regression model parameters of modified DMSP/OLS data from multiple sensors

传感器及年份 a b c R2 传感器及年份 a b c R2 F101992 -0.0079 1.3923 10.476 0.633 F152001 -0.0049 1.3217 6.0395 0.729 F101993 -0.0143 1.8585 7.0663 0.698 F152002 -0.0046 1.2611 4.4609 0.691 F101994 -0.0143 1.8050 7.5621 0.723 F152003 -0.0118 1.6631 6.1446 0.775 F121994 -0.0090 1.4539 10.9262 0.716 F152004 -0.0098 1.5358 5.5585 0.792 F121995 -0.0118 1.6391 7.4649 0.754 F152005 -0.0065 1.3870 5.4880 0.736 F121996 -0.0112 1.6006 8.1977 0.760 F152006 -0.0089 1.5203 4.7683 0.811 F121997 -0.0125 1.7216 6.3489 0.758 F152007 -0.0119 1.7030 4.7475 0.758 F121998 -0.0096 1.5106 6.4824 0.746 F162004 -0.0070 1.3574 5.5309 0.841 F121999 -0.0078 1.3869 8.7414 0.671 F162005 -0.0097 1.5454 5.2628 0.804 F141997 -0.0192 2.1311 6.576 0.745 F162006 -0.0095 1.5275 5.8448 0.825 F141998 -0.0118 1.7449 5.4103 0.706 F162007 -0.0047 1.2484 5.0280 0.759 F141999 -0.0162 1.9842 5.5547 0.686 F162008 -0.0051 1.2351 5.9595 0.775 F142000 -0.0130 1.7542 5.3292 0.756 F162009 0.0019 0.8487 4.5148 0.838 F142001 -0.0115 1.6516 5.3033 0.740 F182010 0 1 0 1 F142002 -0.0093 1.5153 5.4852 0.754 F182011 0.0006 0.9132 4.2708 0.796 F142003 -0.0093 1.5023 5.3701 0.705 F182012 0.0034 0.7121 4.8427 0.762 F152000 -0.0067 1.4047 5.7789 0.759 F182013 0.0067 0.5151 4.6424 0.796