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洪水资料是各类水利工程规划设计的重要基础性资料之一,针对部分中小流域洪水资料较短甚至缺乏的情况,文章根据现行一些通用的洪水资料差补延长方法进行了实例分析。差补延长后的洪水资料基本可以代表总体数据的统计特征,经与各类已有成果资料对比综合分析,资料系列具有一定的实用性和可靠性。对几种差补延长资料系列的方法做了对比分析,提出了具体建议和应用注意事项。
Flood data is one of the most important basic data for planning and designing various types of water conservancy projects. According to some shortcomings or even shortages of flood data in some small and medium-sized river basins, this paper analyzes some common flood data extension methods. The flood data after the poor supplement and extension can basically represent the statistical characteristics of the overall data. Compared with the comprehensive analysis of all kinds of existing achievements, the data series have certain practicality and reliability. Several methods to make up for the extended data series have been compared and analyzed, and specific suggestions and application considerations have been put forward.