黄河河口流路同时行河方式研究

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中图分类号:TV856;TV882.1 文献标志码:A doi:10.3969/j.issn.1000-1379.2025.09.004引用格式:,,,等.黄河河口流路同时行河方式研究[J].人民黄河,2025,47(9):24-30,42.
Research on the Simultaneous Flow Mode of the Yellow River Estuary Channels
YU Xin1,2.3,YUShoubing1,23,,FAYaoshen1,23,ENGQing1,23,WANG Wanzhan 1,2,3 (2 (1.Yellow River Institute of Hydraulic Research, Zhengzhou 450oo3, China; 2.Key Laboratory ofLower Yellow Riverand Estuary Regulation,Ministryof Water Resources,Zhengzhou 450o03,China; 3.Yellow River Laboratory, Zhengzhou 4500o3,China)
Abstract:SincetheoperatioofXialangdiReservoi,theanualsedimentadeteringintoteYelowRiverestuaryhasdereasdto6 millontos.However,undertheelativelabundantwaterconditiosfromO18toO1,theapidilationoftheiverchaelaftersco ringandtheextensionoftheriverlengthhaveapproachedthemaximumvaluebeforetheflodseasonin996.Thedisappearanceofthe stablebranchtatlastedforOyearsfterthefodseasoninO4andtheappearanceofmultiplelargescalebrachsonbothsidefte sandspitindicatethattheQingbachaChannelhasenteredanustablestage.Inacordancewiththenaturalfeatureoftheestuarycael avulsionneartetidalzeboundaryitisecommededtompleentthesultaeousfloofteingsigouCaelandteaokouhe ChannelinthYellowRiverestuary.TheconstructionofGuxianReservoirwillmakethewaterandsedimentconditionsenteringtheestuary favorableforsimultaneousflowinthefutureperiod.Underthedesigned waterandsedimentscenario,diverting12.5bilion m3 of water for the Qingshuigou Channel canachievea slight balance betwen erosionandsedimentation.The Diaokouhe Channel diverts9bilion m3 ,and by digging and maintaining a 375 m wide main channel,it can achieve a flow rate of 2000m3/s without siltation. Simultaneous flow is conducivetoraisingcialwaressofprotetooftkoelatioalingtespatialdistrbutiofdt,singte proportionofdimenttrasporedtohpanducingtedcotrolpresueonthurentQingsigouCael.eple mentationofthesecificplanonsiderationsouldbegiventotepotentialimpactoneecologicalflowofQngshigouChanelndthc ological water volume in the nearby waters.
Key words:Yellow River estuary;channel;simultaneous flow;Qingshuigou Channel;Diaokouhe Channel
黄河河口流路同时行河指的是两条及以上流路同时作为黄河入海通道。(剩余10415字)