Analysis of water supply and consumption structural change in Tianjin
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Abstract:
Water supply and consumption structure reflects the interconnected and interdependent structural relationships between the water supply and consumption types of different industrial sectors in a region. Studying the characteristics and changes of regional water supply and consumption structure has important practical significance in realizing coordinate and harmonious development of regional economy and environment. This paper analyzed the water supply and consumption structural change during 2001-2013 in Tianjin, and analyzed the spatial distribution characteristics of water-use types using Lorenz curve and Gini coefficient. The results showed that the total amount of water supply and consumption tended to rise at an average annual growth rate of 2.31%. The change of water supply and consumption structure was relatively stable. The spatial distribution of agricultural water and domestic water was reasonable, but that of industrial water was greatly unbalanced and exceeded the internationally recognized warning level.
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