sedimentatevt.沉积sedimentn.沉淀物sediment-carrying capacity挟砂能力sediment storing-releasing泥沙存贮-释放sediment - water interface沉积物-水界面sedimentary vanadium deposit沉积钒矿床sedimentary micro - facies沉积微相sediment particle morphology泥沙颗粒表面形貌sediment induced deformation沉积物诱发变形作用sediment concentration field含沙量场sedimentation balance method沉降天平法sedimentary facies evolution沉积演化