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JOURNAL OF DESERT RESEARCH  2012, Vol. 32 Issue (6): 1779-1785    DOI:
Ecology and Economics     
Dynamic Characteristics of Water Footprint and Water Resources Carrying Capacity in Heihe River Basin during 2004-2010
ZHANG Jun1,2,3, ZHOU Dong-mei1, ZHANG Ren-zhi1,2
1.College of Resources and Environmental Science, Gausu Agricultural University, Lanzhou 730070, China;
2.Gansu Province Engineering Technology Research Center of Water-saving Agriculture, Lanzhou 730070, China;
3.Gansu Key Laboratory of Aridland Crop Science, Lanzhou 730070, China
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Abstract  

China is facing serious water resources problems such as shortage in volume and uneven distribution in space and time. In the typical Heihe River basin in northwest China, water resources problems are restricting its social and economic development. With the Ecological Footprint Model we constructed five water resources accounts, they are agriculture water, urban public water, industrial water, domestic water, and eco-environmental water; and calculated and analyzed the water resources carrying capacity, water footprint and load situation of water resources in the Heihe River basin during 2004-2010. Results showed that the water resources carrying capacity gradually increased from 16.36 hm2 to 24.40 hm2; agriculture water footprint decreased from 541.48 hm2 to 443.65 hm2, industrial water footprint increased from 19.11 hm2 to 22.95 hm2, domestic water footprint increased from 10.85 hm2 to 14.93 hm2, urban public water footprint increased from 2.75 hm2 to 3.28 hm2 and eco-environmental water footprint increased from 0.37 hm2 to 5.19 hm2 during 2004-2010, and the total water resources ecological footprint gradually decreased from 571.81 hm2 to 486.73 hm2; water resources ecological deficit decreased from 555.45 hm2 to 462.33 hm2; and load index of water resources increased from 9.62 to 12.11 during 2004-2010. The load index of water resources is high and the exploitation potential is low in the Heihe River basin. The water resources carrying capacity is related with precipitation.

Key words:  water footprint      water resources carrying capacity      load index of water resources      Heihe River basin     
Received:  16 April 2012      Published:  20 December 2012
ZTFLH:  TV213  

Cite this article: 

ZHANG Jun1,2,3, ZHOU Dong-mei1, ZHANG Ren-zhi1,2. Dynamic Characteristics of Water Footprint and Water Resources Carrying Capacity in Heihe River Basin during 2004-2010. JOURNAL OF DESERT RESEARCH, 2012, 32(6): 1779-1785.

URL: 

http://www.desert.ac.cn/EN/     OR     http://www.desert.ac.cn/EN/Y2012/V32/I6/1779

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