Evaluation of Airport Environmental Carrying Capacity: A Case Study in Guangzhou Baiyun International Airport, China

Table 2

The normalized values of 16 indicators.

Subsystem	Indicators	Normalized values
		2008	2009	2010	2011	2012	2013	2014	2015	2016	2017
D	y1	1	0.97	0.38	0.37	0.35	0.32	0.30	0.18	0.06	0
	y2	0.04	0	0.13	0.26	0.37	0.57	0.69	0.82	0.88	1
P	y3	0	0.25	0.42	0.45	0.51	0.57	0.70	0.78	0.88	1
	y4	0	0.11	0.23	0.36	0.46	0.59	0.66	0.67	0.81	1
	y5	0	0.15	0.26	0.37	0.50	0.62	0.71	0.70	0.84	1
S	y6	1	0.96	0.89	0.78	0.71	0.56	0.46	0.34	0.24	0
	y7	1	0.86	0.74	0.63	0.51	0.40	0.31	0.31	0.17	0
	y8	1	0.85	0.74	0.63	0.50	0.38	0.29	0.30	0.16	0
	y9	1	0.93	0.75	0.63	0.51	0.40	0.31	0.31	0.17	0
	y10	1	0.85	0.74	0.63	0.50	0.39	0.30	0.31	0.13	0
	y11	0.87	0.77	0.83	0.90	1	0.97	0.93	0.93	0	0.66
	y12	1	0.95	0.51	0.61	0.43	0.37	0.00	0	0.75	0.74
R	y13	0	0.16	0.36	0.49	0.64	0.67	0.79	0.85	0.92	1
	y14	0.27	0.18	0.45	0.32	0.68	0.5	0.59	0	0.73	1
	y15	0.26	0.29	0	0.41	0.19	0.28	0.03	0.33	1	0.32
	y16	0.69	1	0.89	0.68	0.76	0	0.67	0.72	0.78	0.80