Table 4 Fitting results of the GWR model.
From: Heterogeneity and the determinants of PM2.5 in the Yangtze River Economic Belt
Variables and parameters | 2000 | 2007 | 2017 |
|---|---|---|---|
pgdp | − 0.2792 to 0.4534* | − 0.1764 to 0.6815** | − 0.1982 to 0.4392* |
popd | − 0.2327 to 1.2928** | 0.0070–0.9061*** | − 0.0448 to 1.4807*** |
urba | − 0.2099 to 0.5177** | − 0.0996 to 0.3314* | − 0.1814 to 0.1884** |
indu | − 0.1569 to 0.1629* | − 0.1711 to 0.2928* | − 0.0612 to 0.1158*** |
wind | − 1.5755 to 0.2788*** | − 0.6810 to 0.1470*** | − 0.4908 to 0.3147* |
prec | − 0.8223 to 0.4898*** | − 0.3110 to 0.0518* | − 0.2301 to 0.3349** |
ndvi | − 0.6251 to 0.0474*** | − 0.7815 to 0.0027*** | − 0.5942 to − 0.0026** |
topo | − 0.6420 to 0.1005*** | − 0.7488 to − 0.1018*** | − 1.1785 to − 0.1100*** |
Bandwidth | 3.321 | 3.627 | 3.289 |
AICc | 118.931 | 51.926 | 16.542 |
R2 | 0.949 | 0.966 | 0.977 |
Adjusted R2 | 0.913 | 0.944 | 0.960 |
