Table 4 Decoupling index of various drivers of transportation carbon emissions in Guangdong from 2001 to 2020.
Time | \(T_{es}\) | \(T_{ei}\) | \(T_{tu}\) | \(T_{gp}\) | \(T_{pr}\) | \(T_{r}\) | \(T_{{\left( {c,tgdp} \right)}}\) |
|---|---|---|---|---|---|---|---|
2001–2002 | − 0.007 | − 0.065 | − 0.517 | 1.353 | − 0.901 | 1.062 | 0.924 |
2002–2003 | − 0.301 | 1.477 | − 1.581 | 2.356 | − 2.544 | 2.801 | 2.208 |
2003–2004 | − 0.025 | 0.166 | − 0.015 | 0.888 | − 2.018 | 2.153 | 1.150 |
2004–2005 | 0.179 | 0.308 | 0.239 | 0.748 | − 0.492 | 0.547 | 1.528 |
2005–2006 | − 0.008 | − 0.757 | 0.065 | 0.707 | 0.019 | 0.149 | 0.175 |
2006–2007 | − 0.009 | − 0.066 | − 0.326 | 1.107 | − 0.704 | 0.920 | 0.922 |
2007–2008 | 0.006 | − 0.044 | − 0.282 | 0.973 | 0.155 | 0.152 | 0.961 |
2008–2009 | − 0.039 | 0.028 | − 0.973 | 1.479 | − 0.977 | 1.471 | 0.988 |
2009–2010 | − 0.019 | − 0.140 | − 0.099 | 0.811 | − 0.097 | 0.376 | 0.833 |
2010–2011 | − 0.032 | − 0.501 | 0.132 | 0.581 | − 0.129 | 0.385 | 0.436 |
2011–2012 | 0.001 | − 0.586 | 0.312 | 0.439 | − 0.114 | 0.328 | 0.380 |
2012–2013 | 0.033 | − 1.795 | − 0.119 | 0.783 | − 0.251 | 0.514 | − 0.835 |
2013–2014 | − 0.008 | − 0.530 | 0.260 | 0.529 | − 0.114 | 0.296 | 0.433 |
2014–2015 | − 0.036 | − 0.266 | − 0.297 | 1.015 | − 0.440 | 0.713 | 0.690 |
2015–2016 | 0.185 | − 0.083 | 0.082 | 0.667 | − 0.140 | 0.386 | 1.097 |
2016–2017 | − 0.230 | − 0.249 | 0.138 | 0.610 | 0.021 | 0.202 | 0.493 |
2017–2018 | − 0.074 | − 0.583 | − 0.075 | 0.784 | − 0.065 | 0.336 | 0.323 |
2018–2019 | − 0.090 | − 0.597 | 0.071 | 0.735 | − 0.705 | 0.876 | 0.290 |
2019–2020 | 0.179 | 2.348 | 1.584 | − 0.331 | 0.148 | − 0.445 | 3.482 |