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Water Scarcity and Generalized Water Resources Management in Urumqi: Contributions from Noncompetitive Water Input-Output Model

Liu, Yong / Yang, Degang / Lü, Guanghui

Water exists in both a physical and virtual sense. This paper presents a noncompetitive water input-output model for investigating water allocation. The model achieves a robust first-pass diagnostic of water flows in Urumqi, China. Generalized water resources amounted to $4.973 billion m^{3}$ in 2012, of which fresh, recycled, indirect virtual, and net external virtual water accounted for 22, 4, 12, and 62%, respectively. The water deficit reached $3.678 billion m^{3}$ , approximately 2.84 times the amount of physical water on hand. External virtual water levels amounted to $3.45 billion m^{3}$ , 3.14 times the volume of freshwater available. Agricultural activities generated 1.5% of the gross domestic product, but such activities consumed 60% of all freshwater available. In addition, $0.37 billion m^{3}$ of local water flowed out of Urumqi in a virtual sense. As a result, generalized water resources management is dependent on the following two basic measures: improving the water infrastructure construction mechanisms to increase physical water supplies, and improving trade with water-rich regions to increase virtual water supplies.

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Water Scarcity and Generalized Water Resources Management in Urumqi: Contributions from Noncompetitive Water Input-Output Model

Liu, Yong / Yang, Degang / Lü, Guanghui

Water exists in both a physical and virtual sense. This paper presents a noncompetitive water input-output model for investigating water allocation. The model achieves a robust first-pass diagnostic of water flows in Urumqi, China. Generalized water resources amounted to $4.973 billion m^{3}$ in 2012, of which fresh, recycled, indirect virtual, and net external virtual water accounted for 22, 4, 12, and 62%, respectively. The water deficit reached $3.678 billion m^{3}$ , approximately 2.84 times the amount of physical water on hand. External virtual water levels amounted to $3.45 billion m^{3}$ , 3.14 times the volume of freshwater available. Agricultural activities generated 1.5% of the gross domestic product, but such activities consumed 60% of all freshwater available. In addition, $0.37 billion m^{3}$ of local water flowed out of Urumqi in a virtual sense. As a result, generalized water resources management is dependent on the following two basic measures: improving the water infrastructure construction mechanisms to increase physical water supplies, and improving trade with water-rich regions to increase virtual water supplies.

Water Scarcity and Generalized Water Resources Management in Urumqi: Contributions from Noncompetitive Water Input-Output Model

Liu, Yong / Yang, Degang / Lü, Guanghui

Water exists in both a physical and virtual sense. This paper presents a noncompetitive water input-output model for investigating water allocation. The model achieves a robust first-pass diagnostic of water flows in Urumqi, China. Generalized water resources amounted to $4.973 billion m^{3}$ in 2012, of which fresh, recycled, indirect virtual, and net external virtual water accounted for 22, 4, 12, and 62%, respectively. The water deficit reached $3.678 billion m^{3}$ , approximately 2.84 times the amount of physical water on hand. External virtual water levels amounted to $3.45 billion m^{3}$ , 3.14 times the volume of freshwater available. Agricultural activities generated 1.5% of the gross domestic product, but such activities consumed 60% of all freshwater available. In addition, $0.37 billion m^{3}$ of local water flowed out of Urumqi in a virtual sense. As a result, generalized water resources management is dependent on the following two basic measures: improving the water infrastructure construction mechanisms to increase physical water supplies, and improving trade with water-rich regions to increase virtual water supplies.

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Title:

Water Scarcity and Generalized Water Resources Management in Urumqi: Contributions from Noncompetitive Water Input-Output Model

Contributors:

Liu, Yong (author) / Yang, Degang (author) / Lü, Guanghui (author)

Published in:

Journal of Water Resources Planning and Management ; 143

Publication date:

2017-05-29

ISSN:

0733-9496 , 1943-5452

DOI:

https://doi.org/10.1061/(ASCE)WR.1943-5452.0000783

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

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