基于空间自回归模型的广州市NDVI和NDBI与气温关系研究

许剑辉, 赵怡, 肖明虹, 钟凯文, 阮惠华

Relationship of air temperature to NDVI and NDBI in Guangzhou City using spatial autoregressive model

Jianhui XU, Yi ZHAO, Minghong XIAO, Kaiwen ZHONG, Huihua RUAN

表2 4月近地表气温3种空间自回归模型参数

Tab.2 Parameters of three different spatial autoregressive models for air temperature in April

参数 空间自回归模型 OLS SLM SEM (截距) 23.379(77.378)*** 8.127(5.582)*** 22.660(51.261)*** NDVI -4.661(-6.086)*** -1.783(-2.704)** -1.766(-2.198)· NDBI -1.348(-1.060) 0.765(0.727) 2.088(1.825)’ ρ ─ 0.665(10.687)*** ─ λ ─ ─ 0.698(11.288)*** R2 0.145 0.373 0.370 AIC 1 019.200 941.600 942.700 N 264.000 264.000 264.000 Moran’s I 0.328 -0.017 -0.024