| Calculating the available rainwater resources and analyzing the benefits of their utilization in Yangling urban area |
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| DOI：10.7606/j.issn.1000-7601.2009.05.40 |
| Key Words: potential of rainwater utilization runoff coefficient water resources Yangling Agricultural Hi-tech Industries Demonstration Zone |
| Author Name | Affiliation | | L Ling | College of Resource and Environment Northwest A ＆ F University, Yangling, Shaanxi 712100, China | | WU Pute | College of Resource and Environment Northwest A ＆ F University, Yangling, Shaanxi 712100, China；National Engineering Research Center for Water—saving Irrigation at Yangling, Yangling, Shaanxi 712100, China | | ZHAO Xining | College of Resource and Environment Northwest A ＆ F University, Yangling, Shaanxi 712100, China；National Engineering Research Center for Water—saving Irrigation at Yangling, Yangling, Shaanxi 712100, China | | WANG Yubao | College of Water Resources and Architectural Engineering Northwest A ＆ F University, Yangling, Shaanxi 712100, China |
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| Abstract: |
| Runoff coefficient method is used to analyze the potential amount of rainwater utilization in Yangling Agricultural Hi-tech Industries Demonstration Zone, and the results indicate that the total amount of recuperated rainwater from the urban area in 2007 is 1 239 100 m3, accounting for 28.3% of the zone's total water consumption.The total amount of runoff yield and possible water use is 3 671 500 m3, but only 129 300 m3 is now used for green land irrigation.It is predicted that by the year of 2020 year, the total amount of directly harvested rainwater is 32 330 300 m3, showing a huge potential of rainwater utilization.Evaluation and analysis is also made of the possible economic and social benefits resulted from rainwater utilization. |
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