Relationship Study on Land Use Spatial Distribution Structure and Energy-Related Carbon Emission Intensity in Different Land Use Types of Guangdong, China, 1996–2008
Table 7
ADF values and integration orders of variables in each model.
Model
Agricultural land
Industrial land
Residential and commercial land
Traffic land
Other land
variables
ADF value
Integration order
ADF value
Integration order
ADF value
Integration order
ADF value
Integration order
ADF value
Integration order
lnGE
−7.0353***
1
−3.3655**
1
−4.2561***
1
−3.9848**
1
—
—
lnGC
−5.6262***
1
−3.6838**
1
−3.5406**
1
−4.6038***
0
—
—
lnLS
−3.3381**
1
−2.7999*
1
−2.7910**
1
−3.6112**
1
−3.8533*
1
lnCI
−6.3699***
1
−3.6165*
1
−3.7370**
1
−5.9159***
1
−5.1981***
1
Notes: *, **, *** denote significance at the 10%, 5%, and 1% levels, respectively.