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Table 4 Estimated regression coefficients in five significant models predicting PM2.5 concentration (Table 3) from log-transformed independent variables of total green cover (%) and total edge length (TE, km)

From: Do green spaces affect the spatiotemporal changes of PM2.5 in Nanjing?

Season (scale) Log(green cover)*log(edge length) Log(edge length)
Intercept Slope R 2 Intercept Slope R 2
Spring (1.0 km) 56.93 3.57 0.82 50.24 −10.75 0.83
Spring (2.0 km) 56.05 4.50 0.79 48.71 −12.28 0.82
Summer (4.0 km) 50.79 −0.78 0.03 49.06 −0.41 0.01
Winter (4.0 km) 100.97 −0.09 0.01 104.37 3.01 0.02
Autumn (6.0 km) 69.59 0.46 0.01 65.49 −4.64 0.12
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