Analysis of Water Resources Utilization Efficiency in Heilongjiang Province Based on Input-Output Model
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Abstract:
An input-output model of water resources was established based on the water consumption data of Heilongjiang Province in 2002 and 2007, and it was used to estimate the water consumption efficiency, water consumption benefit, water consumption correlation, and consumption of virtual water of each sector of national economy. The results showed that agriculture sector had the highest proportion in total water consumption of Heilongjiang Province whereas transportation sector had the lowest. Water consumption correlation between each sector presented decreasing trend from 2002 to 2007. The virtual water was exported in Heilongjiang Province from 2002 to 2007, and agriculture sector had the largest amount of exported virtual water. The results can provide theoretical foundation and data support to improve the economic value of water resources.
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