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Periodic Variation of Annual Precipitation in Liaocheng City
Author(s): 
Pages: 90-93
Year: Issue:  5
Journal: JOURNAL OF CHINA HYDROLOGY

Keyword:  年降水量周期性变化聊城市;
Abstract: 依据近代三百年的历史旱涝灾情资料,以年降水量为年际对比指标,将不同的丰枯年份概化为丰水年、偏丰年、平水年、枯水年四个类型,逐年确定丰枯水等级,得到长系列概化年降水量系列,统计分析本区域降水量年际变化规律,对未来聊城降水量变化趋势进行预测,供制定抗旱防汛决策参考.
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