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

Table 5

The water resource contribution rate and value of Beijing industry system (2008–2012) (unit: 10²⁰ sej).

Item	2008	2009	2010	2011	2012
Emergy of water for industry	56.30	60.74	59.51	63.05	65.84
Emergy of groundwater for industry	24.97	25.24	23.17	23.69	25.45
Total emergy inputs for industry	1511.70	2938.67	3020.52	3254.55	3592.76
Total emergy outputs of industry	3068.95	5164.62	6832.95	7050.51	5805.11
WCR for industry (%)	3.73	2.07	1.97	1.93	1.83
GWCR for industry (%)	1.65	0.86	0.77	0.73	0.71
Emergy value of water resource for industry	114.38	106.74	134.62	136.59	147.55
Emergy value of groundwater resource for industry	50.70	44.36	52.43	51.33	57.04
EDR emergy/RMB (10^11 sej/¥)	6.76	6.49	7.26	8.121	9.51
Monetary value of water resource for industry (10^9 ¥)	16.92	16.45	18.53	16.83	15.52
Monetary value of groundwater resource for industry (10^9 ¥)	7.50	6.83	7.22	6.33	6.00
Total volume of water resource for industry (10^8 m^3)	5.2	5.23	5.06	5.01	4.89
Volume of water resource for industry (10^8 m^3)	2.42	2.29	2.11	2.1	2.13
Emergy transformity of water used in industry (10^13 sej/m^3)	22.0	20.4	26.6	27.3	30.2
Emergy transformity of groundwater used in industry (10^13 sej/m^3)	2.09	1.94	2.48	2.45	2.68
The monetary value of water resource per volume for industry (¥/m^3)	32.55	31.45	36.63	33.60	31.74
The monetary value of groundwater resource per volume for industry (¥/m^3)	30.97	29.83	34.14	30.19	28.19