Table 3 Analysis of overall spatial network structure index of industrial carbon emission in the Hefei metropolitan area.
Year | ND | Number of network association relationships | NC | NG | NE |
|---|---|---|---|---|---|
2010 | 0.262 | 11 | 1 | 0.929 | 0.733 |
2011 | 0.191 | 8 | 1 | 0.909 | 0.933 |
2012 | 0.286 | 8 | 1 | 0.667 | 0.800 |
2013 | 0.238 | 10 | 1 | 0.857 | 0.867 |
2014 | 0.214 | 9 | 1 | 0.917 | 0.867 |
2015 | 0.214 | 9 | 1 | 0.909 | 0.867 |
2016 | 0.238 | 10 | 1 | 0.909 | 0.800 |
2017 | 0.262 | 11 | 1 | 0.909 | 0.733 |
2018 | 0.262 | 11 | 1 | 0.909 | 0.733 |
2019 | 0.262 | 11 | 1 | 0.909 | 0.733 |
2020 | 0.214 | 9 | 1 | 0.909 | 0.867 |
2021 | 0.191 | 8 | 1 | 0.909 | 0.933 |
2022 | 0.262 | 11 | 1 | 0.929 | 0.733 |
