Coupling and Coordination Degree between Urbanization and Ecological Environment in Guizhou, China

Table 3

CCD values.

Year	Coupling degree (C)	Coordination index (D)	CCD (D)	CCD level
2013	0.92	0.241	0.471	Barely coordinated
2014	0.945	0.175	0.407	Barely coordinated
2015	0.954	0.231	0.469	Barely coordinated
2016	0.991	0.324	0.567	Barely coordinated
2017	0.958	0.439	0.648	Slightly coordinated
2018	0.997	0.884	0.939	Strongly coordinated