水库供水预警线研究
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摘要
水库作为重要的蓄水和供水工程,对城乡供水安全起着极其关键的作用。干旱时期,水库可能由于前期蓄水不足满足不了后期的用水需求,这就需要及早作出预警,以便采取应对措施。本文以永康市的杨溪水库为研究对象,界定了黄色、橙色、红色供水预警等级,采用长系列(1965-2009)逆时序逐日调节计算得出历年逐日水库所需蓄水量成果,并对45年成果进行统计分析,确定了杨溪水库黄色、橙色、红色三条预警线及各预警线的浮动上限。本研究成果能够指导干旱期水库供水运行管理工作,使区域的经济社会不因缺水产生过度影响,确保区域平稳有序度过不同程度的干旱期。
As an important water supply project,reservoirs play a key role in the safety of urban and rural water supply.Because of the deficiency of the early reservoir inflow,the reservoir can't meet the water needs of the next stage during drought period.The early warning of reservoir storage is needed,in order to take measures earlier for water shortage.This paper takes Yangxi Reservoir in Yongkang City as a research object,defines three-grade early warning described by the colors yellow,orange,red,and blue respectively,gives the results of the one-day reservoir storage capacity inverse timing adjustable calculated with one day for a period of time by using series of multi-year data(1965-2008).Through the statistical analysis of the results of reservoir storage capacity,this paper identifies the yellow,orange and red lines and change limits of three-grade warning lines.The results of this study can guide the drought period water supply of reservoir operation management,so that regional economy society does not create an unduly influence due to the lack of water,to ensure that different degrees of drought period can be got through smoothly.
As an important water supply project,reservoirs play a key role in the safety of urban and rural water supply.Because of the deficiency of the early reservoir inflow,the reservoir can't meet the water needs of the next stage during drought period.The early warning of reservoir storage is needed,in order to take measures earlier for water shortage.This paper takes Yangxi Reservoir in Yongkang City as a research object,defines three-grade early warning described by the colors yellow,orange,red,and blue respectively,gives the results of the one-day reservoir storage capacity inverse timing adjustable calculated with one day for a period of time by using series of multi-year data(1965-2008).Through the statistical analysis of the results of reservoir storage capacity,this paper identifies the yellow,orange and red lines and change limits of three-grade warning lines.The results of this study can guide the drought period water supply of reservoir operation management,so that regional economy society does not create an unduly influence due to the lack of water,to ensure that different degrees of drought period can be got through smoothly.
引文
[1]United Nations.Mar Del Plata Action Plan[C]∥Nations WaterConference,Argentina,1977:14-25.
[2]邓娟.城市水务供水预警机制的研究[D].重庆:重庆交通大学,2010.
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[8]李国章.我国南方水稻需水量与需水系数的研究[J].广西水利水电,1991,(3):55-60.
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[2]邓娟.城市水务供水预警机制的研究[D].重庆:重庆交通大学,2010.
[3]朱易春,张光明,李爽,等.水库水源地突发污染事件应急监测分析[J].人民长江,2010,41(10):90-93.
[4]周莹,程和琴,塔娜,等.海平面上升背景下上海市水源地供水安全预警系统研究[J].资源科学,2012,34(7):1312-1317.
[5]山东省水利厅.关于实行重点工程可供水量预警管理的通知[EB/OL].山东水利网,2011.
[6]施祖兴.永康市水利志[M].浙江永康:永康县水利电力局,1989.
[7]陈微,王宝库,谭哲强.水库供水调节计算的探讨[J].黑龙江水利科技,2005,33(2):16-17.
[8]李国章.我国南方水稻需水量与需水系数的研究[J].广西水利水电,1991,(3):55-60.
[9]武鹏林.水利计算与水库调度[M].北京:地震出版社,20002000.
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