Table 2.

Elements decomposition analysis of changes in overall carbon emissions in smart cities.

Year	Contribution of each factor (104 tC)					Each factor index
	Industrial carbon emission intensity factors	Industrial structure effect	Economic development factors	Population factor	Overall	Industrial carbon emission intensity factors	Industrial structure effect	Economic development factors	Population factor	Overall
	ΔCf	ΔCsf	ΔCg	ΔCp	ΔC	D f	D s	D g	D p	D
2009–2010	−84.09	−19.29	90.16	14.71	1.5	0.92	0.98	1.1	1.02	1
2010–2011	−48.48	−11.77	104.18	18.76	52.69	0.95	0.99	1.11	1.02	1.06
2011–2012	31.95	15.08	143.36	18.21	208.35	1.03	1.01	1.13	1.02	1.2
2012–2013	1.01	42.67	194.5	27.27	265.47	1	1.03	1.15	1.02	1.21
2013–2014	145.03	21.94	208.73	35.7	411.22	1.08	1.01	1.13	1.03	1.27
2014–2015	−141.55	7.48	242.87	38.23	147.03	0.93	1	1.13	1.02	1.08
2015–2016	−124.11	28.51	277.38	35.62	217.38	0.94	1.01	1.14	1.02	1.1
2016–2017	−153.71	−35.15	236.09	27.38	74.71	0.93	0.99	1.11	1.01	1.03
2017–2018	9.31	−37.33	253.58	21.16	246.71	1	0.96	1.11	1.01	1.1
2018–2019	−346.7	23.63	1716.24	241.89	1635.06	0.81	1.01	2.78	1.16	2.65