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利用清代黄河报汛资料和《中国近五百年旱涝分布图》等有关资料，推求出黄河三门峡站１４７０～１９１８年的天然年径流系列，与陕县（三门峡）１９１９～１９８９年实测期的７１年资料，组成１４７０～１９８９年共５２０年的天然年径流系列。
Based on the flood season information of the Yellow River in Qing Dynasty and the distribution map of drought and flood in China in the past 500 years and other related data, the natural annual runoff series from 1470 to 1918 of the Yellow River Sanmenxia Station were deduced and compared with the actual data of 1930 ~ 1989 in Shan County (Sanmenxia) Period of 71 years of data, composed of 1470 ~ 1989 a total of 520 years of natural annual runoff series.