Talking about the flood disaster from a hundred years' hydrology

Happened 20 times disaster flood above the flood level 23.00 m in the 100 years' hydrology data series of the Wuzhou hydrology station. Using those hydrologic data, the author analyzed the upper stream discharge and silt, section change, riverbed scour and fill, flood embankment influence to flood, the change of water level and discharge relation and general regularity of disaster flood, and made conclusion that the Wuzhou flood have its periodic variation regularity.