The Evaluation of Groundwater Resources Value of Beijing Based on Emergy Theory

Table 4

Emergy inputs and outputs within and outside BIS (Beijing industrial system), 2012.

	Item	Raw data	Unit	Transformity (sej/unit)	Emergy (10^20 sej)
1	Total inputs				3592.76
1.1	Renewable environmental resources				67.43
1.1.1	Solar		J	1^*	0.72
1.1.2	Wind		J	632^*	0.87
1.1.3	Industrial water		m^3		65.84
1.1.3.1	Tap water		m^3		40.40
1.1.3.1.1	From surface water		m^3		20.34
1.1.3.1.2	From groundwater		m^3		20.06
1.1.3.2	Engineering water from surface water		m^3		1.34
1.1.3.3	Engineering water from groundwater		m^3		5.40
1.1.3.4	Recycled water		m^3		18.70
1.2	Nonrenewable environmental resources				3525.33
1.2.1	Energy		J	39800^*	265.44
1.2.2	Raw material, labor, and other fees		¥		2543.08
1.2.3	^*Fixed assets depreciation		¥		716.81
2	Total outputs				8051.12
2.1	Farm and sideline food		¥		332.33
2.2	Textile and garment industry		¥		182.44
2.3	Wood and furniture		¥		76.92
2.4	Chemical products		¥		328.76
2.5	Chemical		¥		516.44
2.6	Rubber and plastic		¥		104.57
2.7	Raw coal		J	39800^*	62.41
2.8	Crude oil		J	66000^*	291.11
2.09	Electricity		J		1664.66
2.10	Steel	26000	t		0.46
2.11	Glass		t		2.13
2.12	Cement		t		173.15
2.13	General equipment industry outputs		¥		498.77
2.14	Special equipment industry outputs		¥		485.07
2.15	Transportation equipment manufacturing industry		¥		2586.97
2.16	Electrical machinery and equipment manufacturing		¥		636.54
2.17	Other manufacturing		¥		53.46
	Industrial waste water		J		54.92
	Contribution rate of groundwater resources %				1.83

Original source: [25, 26].
Transformity of Table 4 marked with “*” sited from Lv [22] and Odum [23]. Other Tr without “*” are calculated with the original data.