摘要
ArangesurveydatabaseisestablishedandusedtostudythedepositionorerosionprocessesintheLowerYellowRiver(LYR).Thehugeamountofdataobtainedthroughrangesurveysovernearly50yearsismanagedbysoftware(RGTOOLS)developedforthisstudy.RGTOOLSisalsousedtoevaluatetheamountanddistributionofdepositionorerosioninLYR.Volumetricmethodisusedforcomputationoftheamountofdeposition.Spatialandtemporalvariationsofthedepositionarestudiedandillustratedwithdrawings.Itisfoundthatatotalof6.44billionm3ofsedimentweredepositedinthelowerYellowRiveroverapproximately50years.Thepatternofdepositionvariesinresponsetothevariationofoncomingflow,whichisinfluencedbynaturalclimaticvariationsandalsobyreservoiroperation.
出版日期
2002年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)