NDLI: Analyses of the changing process and influencing factors of water resource utilization in megalopolis of arid area

Content Provider	Springer Nature Link
Author	Zhang, Yu fang Yang, De gang Tang, Hong Liu, Ya xuan
Copyright Year	2015
Abstract	Urumqi, a megacity located in an arid region, was selected as the object for this study. The level of economic development, population size, the efficiency of the industrial water use and the water resource development as well as utilization level were comprehensively considered. Through constructing all factor decomposition model, Logarithmic Mean Divisia Index (LMDI) decomposition method was used to conduct decomposition analyses on the factors that caused the changes in total water consumption and water use efficiency in Urumqi from 1995 to 2012. The relative contribution rates of various positively driving factors and inhibitory factors were calculated, and their influence levels and directions were measured. The results indicated that the level of economic development and water use intensity, and the effects of industrial water use structures, economic level, and water use intensity were the determining factors that influenced the water use consumption and efficiency respectively. The results obtained from this study could provide guidance for the studies on the correct understanding of the relationship between the process of water utilization and the process of economic development in this oasis city and for promoting the social and economic development and for increasing the ensuring ability of water resources. The adjustment of industrial structures and the upgrading of industrial technologies caused certain inhibitory effects on the total water consumption but these effects were not strong. Other methods used as the supplements are needed for relaxation of the sharp contradictions between the demand and supply of water resources. The amount of water supply per capital had inhibitory effects to a certain extent on water resource utilization efficiency. The efficiency of water resource utilization can be increased through controlling water resources supply to artificially create the shortage of water resource supply so that the contradictions between the increasing demand on water use for social and economic development and the water supply shortage can be effectively alleviated.
Starting Page	712
Ending Page	720
Page Count	9
File Format	PDF
ISSN	00978078
Journal	Water Resources
Volume Number	42
Issue Number	5
e-ISSN	1608344X
Language	English
Publisher	Pleiades Publishing
Publisher Date	2015-09-03
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	LMDI decomposition method water use efficiency total water consumption Urumqi Hydrogeology Hydrology/Water Resources Waste Water Technology Water Pollution Control Water Management Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Water Science and Technology

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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