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CONCENTRATION: 作品数：1453被引量：3242H指数：21; 导出分析报告; 相关领域：医药卫生更多>>; 相关作者：白克智匡廷云朱建国王云霞杨连新更多>>; 相关机构：中国科学院清华大学四川大学中国科学院植物研究所更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

The Igarapé Weir decelerated transport of contaminated sediment in the Paraopeba River after the failure of the B1 tailings dam(Brumadinho): 《International Journal of Sediment Research》2023年第5期673-697,共25页Daniela Patrícia Salgado Terencio Fernando Antonio Leal Pacheco Renato Farias do Valle Junior Mayte Maria Abreu Pires de Melo Silva Teresa Cristina Tarle Pissarra Marília Carvalho de Melo Carlos Alberto Valera Luís Filipe Sanches Fernandes; supported by National Funds of FCT e Portuguese Foundation for Science and Technology(Project No.UIDB/04033/2020).; The B1 dam of Corrego do Feijao Mine,owned by Vale,S.A.mining company and located on the Ferro-Carvao stream,collapsed and injected 2.8 Mm^(3)of clayey,silty,and sandy iron-and manganese-rich tailings into the Paraope...; 关键词：Sediment transport Tailings dam break Metal contamination Hydrodynamic modelling RiverFlow2D Ratio concentration analysis

Modeling the effect of sediment concentration on the flow-like behavior of natural debris flow被引量：2: 《International Journal of Sediment Research》2020年第4期315-327,共13页Leonardo Schippa; The rheological behavior of natural slurries consisting of fine-grained,reconstituted debris-flow deposits on pyroclastic terrains having different solid concentrations(ranging from 30 to 42%)has been investigated usi...; 关键词：DEBRIS FLOW RHEOLOGY GRAIN CONCENTRATION Herschel-Bulkley model

Experimental study of near-bed concentration and sediment vertical mixing parameter for vertical concentration distribution in the surf zone: 《International Journal of Sediment Research》2020年第1期27-41,共15页Yang Zhang Zhili Zou Wushan Xue Dapeng Sun; financial support by the National Natural Science Foundation of China (Grant No:51879033); Two formulae for the near-bed concentration(Ca)and the sediment vertical mixing parameter(m)are established based on a large scale wave flume experiment.The advantage of the new formulae is that the turbulent kinetic ...; 关键词：Near-bed CONCENTRATION SEDIMENT VERTICAL mixing PARAMETER Turbulent kinetic energy Surf zone Wave type

Linear spectral unmixing algorithm for modelling suspended sediment concentration of flash floods,upper Tekeze River,Ethiopia: 《International Journal of Sediment Research》2020年第1期79-90,共12页Hagos GGebreslassie Assefa MMelesse Kevin Bishop Azage GGebremariam; Addis Ababa University,Ethiopia,for providing partial cover of financial support for this research; Flash floods are the highest sediment transporting agent,but are inaccessible for in-situ sampling and have rarely been analyzed by remote sensing technology.Laboratory and field experiments were done to develop linea...; 关键词：Empirical REMOTE sensing Flash floods LINEAR spectral UNMIXING Suspended SEDIMENT CONCENTRATION Tekeze RIVER

Effects of rainfall patterns on runoff and rainfall-induced erosion被引量：13: 《International Journal of Sediment Research》2019年第3期270-278,共9页Morteza Alavinia Farzin Nasiri Saleh Hossain Asadi; Rainfall-induced erosion involves the detachment of soil particles by raindrop impact and their transport by the combined action of the shallow surface runoff and raindrop impact.Although temporal variation in rainfal...; 关键词：RAINFALL pattern SEDIMENT CONCENTRATION Soil LOSS SEDIMENT transport mechanisms

Study of deposition of fine sediment within the pores of a coarse sediment bed stream: 《International Journal of Sediment Research》2013年第2期210-219,共10页N.K.KHULLAR U.C.KOTHYARI K.G.Ranga RAJU; Elaborate experiments were performed in a 30 m long, 0.5 m deep and 0.2 m wide laboratory flume to study the process of infiltration of fine sediment into the pores of coarse sediment forming the channel bed material....; 关键词：Fine sediment Flume experiment Bed material Concentration of suspended sediment Depositioncondition

Experimental study on three dimensional movements of particles Ⅰ Effects of particle diameter on velocity and concentration distributions被引量：6: 《International Journal of Sediment Research》2009年第2期159-168,共10页Limo TANG Xingkui WANG; supported by the National Natural Science Foundation of China (No. 50279013 & No. 50221903);the Science and Technology Innovation Foundation of Hohai University (2006406711); Based on the three Dimensional Particle Tracking Velocimetry （3D PTV） system, the characteristics of motion of particles with four different diameters were investigated under the steady flow conditions The longitudi...; 关键词：Particle diameter 3D movement VELOCITY CONCENTRATION

PREDICTION OF THE GRAIN SIZE OF SUSPENDED SEDIMENT:IMPLICATIONS FOR CALCULATING SUSPENDED SEDIMENT CONCENTRATIONS USING SINGLE FREQUENCY ACOUSTIC BACKSCATTER被引量：4: 《International Journal of Sediment Research》2007年第1期1-15,共15页R. A. KUHNLE D. G. WREN J. P. CHAMBERS; Collection of samples of suspended sediment transported by streams and rivers is difficult and expensive. Emerging technologies, such as acoustic backscatter, have promise to decrease costs and allow more thorough sam...; 关键词：Suspended sediment Grain size Acoustic backscatter Concentration errors

KINETIC MODELING OF CONSTITUTIVE RELATIONS FOR PARTICLE MOTION IN LOW TO MODERATELY CONCENTRATED FLOWS被引量：3: 《International Journal of Sediment Research》2005年第4期305-318,共14页Guangqian WANG Xudong FU Xingkui WANG; the financial support of the National Natural Science Foundation of China(Grant Nos.50309007, 50221903); of the Fundamental Research Funding of Tsinghua University(Jc2003009).; Formulating underlying mechanisms of concentrated solid-liquid flows is essential for simulation of various industrial processes and natural phenomena. A generalized constitutive model for particle motion in flows wit...; 关键词：Constitutive relations Kinetic model Two-phase flow Turbulent diffusion Collisions Stress CONCENTRATION Shear rate

CONCENTRATION AND VELOCITY OF DEBRIS FLOWS: 《International Journal of Sediment Research》2002年第3期233-243,共11页Xiangjun FEI Peng CUI Yong LI; This research is supported by the National Science Foundation;NSF grant No.49831010.; Debris flows in nature generally fall into three groups distinct in their grain composition: water-stone flow, or sub-viscous debris flow, dominated by coarse grains; muddy flow, dominated by fine grains; and viscous ...; 关键词：Sub-viscous debris flow Viscous debris flow Grain composition CONCENTRATION VELOCITY

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