基于规则格网DEM的水库库容快速计算
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摘要
水库库容是水利水电工程设计和运营管理的重要参数,水库库容计算的成果要求必须具备较高的可靠性和准确性。随着GIS技术的快速发展,DEM法计算水库库容已经得到了广泛应用。利用ArcGIS软件,采用规则格网DEM法能快速有效地计算水库库容,对作业原理及流程做了详细说明,并在此基础上,利用ArcGIS软件自带的图形化模型构建器Modelbuilder将此过程中使用的所有工具和数据通过流程化结合在一起,实现了数据处理的自动化,极大地提高了工作效率,避免了人工计算可能产生的错误。同时,通过Modelbuilder构建的工具可以在不同库容计算工程中重复使用,在类似工作中具有重要参考意义。
Reservoir capacity is the most important parameter of water conservancy and hydropower project design and operation management,so the results of reservoir capacity calculation has high reliability and is precise.The DEM method has been widely applied in reservoir capacity calculation,with the fast development of GIS.In this paper,the process of reservoir capacity calculation using ArcGIS by DEM method was described in detail.Then all the tools and data used in the process were combined by Modelbuilder,it realized data processing of automation,raised the work efficiency greatly,avoided mistakes by hand.The tool can be reused in different reservoir capacity calculating project.It is possessed of a very valuable reference value in similar engineering practice.
Reservoir capacity is the most important parameter of water conservancy and hydropower project design and operation management,so the results of reservoir capacity calculation has high reliability and is precise.The DEM method has been widely applied in reservoir capacity calculation,with the fast development of GIS.In this paper,the process of reservoir capacity calculation using ArcGIS by DEM method was described in detail.Then all the tools and data used in the process were combined by Modelbuilder,it realized data processing of automation,raised the work efficiency greatly,avoided mistakes by hand.The tool can be reused in different reservoir capacity calculating project.It is possessed of a very valuable reference value in similar engineering practice.
引文
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[2]米鸿燕,宰建,蒋兴华.静库容计算方法的比较分析[J].地矿测绘,2007(2):1-4.
[3]李志林,朱庆.数字高程模型[M].武汉测绘科技大学出版社,2000.
[4]王新生,王红,朱超平.ArcGIS软件操作与应用[M].科学出版社,2010.
[5]吕敏.水库泥沙淤积分析及库容测量[J].水利技术监督,2016,24(1):84-86.
[6]刘佳雨,杨武年,邓琮.基于ArcGIS ModelBuilder的生态区鸟类栖息地的选择[J].地理空间信息,2014(3):115-117.
[7]王永峰,王涛,徐莹.利用ArcGIS10建模工具实现放线测量成果的自动处理[J].城市勘测,2014(2):48-50.
[8]王媛媛,段建刚.基于规则格网DEM计算水库库容方法研究[J].吉林水利,2013(11):9-10.
[9]谭德宝,申邵洪.基于规则格网DEM的库容计算与精度分析[J].长江科学院院报,2009(3):49-52.
[10]刘丽丽,赵轩.闹德海水库泥沙淤积对库容的影响分析[J].水利规划与设计,2014(7):30-33.