Flood frequency analysis was the main methods to calculate the design flood in water conservancy construction.Based on palaeoflood recorded in JH-CJC sedimentological profile between Bin County and Liquan County in Jinghe River channel, the flood frequenciies of the gauge flood, gauge flood+ historical flood and gauge flood+ historical flood+ palaeoflood were analyzed in this paper.The results showed that the palaeofloods data were connected with the historical flood and gauge flood data, the flood data sequence were prolonged and the credibility of flood frequency result was greatly advanced.So, studying the palaeoflood recorded in sedimentological evidence was very important to the conservancy construction, mitigate flood hazard and develop water resources.
ZHA Xiao-chun, HUANG Chun-chang, PANG Jiang-li, LI Yu-qin, GU Ming-xing
. Comparison about Flood Frequency Analysis on Different Time Scales in Jinghe River Channel[J]. SCIENTIA GEOGRAPHICA SINICA, 2009
, 29(6)
: 858
-863
.
DOI: 10.13249/j.cnki.sgs.2009.06.858
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