Sediment and Contaminant Transport in Surface WatersContaminated bottom sediments and their negative impacts on water quality are a major problem in surface waters throughout the United States as well as in many other parts of the world. Even after elimination of the primary contaminant sources, these bottom sediments will be a main source of contaminants for many years to come. In order to determin |
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Page 4
... flow rate is lower, and its sediments contain a smaller amount of PCBs; however, PCB concentrations are similar. Over the distance from Lake Winnebago to Green Bay, the river drops by 52 m. To develop water power and improve navigation ...
... flow rate is lower, and its sediments contain a smaller amount of PCBs; however, PCB concentrations are similar. Over the distance from Lake Winnebago to Green Bay, the river drops by 52 m. To develop water power and improve navigation ...
Page 13
... flow rate in the Saginaw River as a function of time for the 50-year period from 1940 to 1990 (Cardenas et al., 1995). The average flow rate is about 50 m3/s. However, this average flow is punctuated by high flows of relatively short ...
... flow rate in the Saginaw River as a function of time for the 50-year period from 1940 to 1990 (Cardenas et al., 1995). The average flow rate is about 50 m3/s. However, this average flow is punctuated by high flows of relatively short ...
Page 18
... flux of chemicals between the sediments and the overlying water is primarily due to ... flow. Gas transport also may be important in some cases. All these processes are significantly influenced by sorption and especially the finite rate ...
... flux of chemicals between the sediments and the overlying water is primarily due to ... flow. Gas transport also may be important in some cases. All these processes are significantly influenced by sorption and especially the finite rate ...
Page 35
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Contents
1 | |
21 | |
Chapter 3 Sediment Erosion | 45 |
Chapter 4 Flocculation Settling Deposition and Consolidation | 103 |
Chapter 5 Hydrodynamic Modeling | 175 |
Chapter 6 Modeling Sediment Transport | 215 |
Chapter 7 The Sorption and Partitioning of Hydrophobic Organic Chemicals | 279 |
Chapter 8 Modeling the Transport and Fate of Hydrophobic Chemicals | 313 |
References | 373 |
Index | 389 |
Back cover | 399 |
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Common terms and phrases
adsorption approximately assumed average bedload benthic bentonite bioturbation bottom sediments bulk density calculations chemical cm/s collisions colloids consolidation constant cores decreases depends DePere Dam deposited sediments described desorption determined Detroit River Detroit River sediments differential settling disaggregation distribution downstream dredged effects Equation equilibrium eroded erosion rates experimental results experiments fine-grained floc diameter flocculation flow rate fluid shear Fox River fresh water function of depth gas fraction increases Kalamazoo River Kooc L/kg Lake Erie layer Lick Lumbriculus variegatus maximum measured median ment mg/L molecular diffusion numerical occurs overlying water parameters particle diameter partition coefficient PCBs permission processes quantities resuspension Section Sedflume sedi sediment bed sediment transport sediment-water flux sediment-water interface settling speeds shear stress shown in Figure solids sorbed sorption Source steady-state surface suspended load suspended sediment concentration time-dependent tion turbulent velocity vertical well-mixed wind