A new definition of suspended sediment: Implications for the measurement and prediction of sediment transport

IAHS-AISH Publication

Volumn , Issue 283, 2003, Pages 3-12

  Droppo, Ian G ^a  

^a ENVIRONMENT CANADA   (Canada)

Author keywords

Deposition; Floc; Flocculation; Suspended sediment; Transport

Indexed keywords

ENVIRONMENTAL IMPACT; POROSITY; STRUCTURAL ANALYSIS;

AQUATIC ENVIRONMENTS; FLOC SIZE;

SEDIMENT TRANSPORT;

FLUVIAL PROCESS; SEDIMENT TRANSPORT; SUSPENDED SEDIMENT;

EID: 0442313105     PISSN: 01447815     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (33)

1. Clifford, N.J. (2002) Hydrology: the changing paradigm. Prog. Phys. Geog. 26, 290-301.
2. Costerton, J. W., Cheng, K.-L., Geesey, G. G., Ladd, T., Nickel, J. C., Dasgupta, M. & Marrie, T. J. (1987) Bacterial biofilms in nature and disease. Ann. Rev. Microbiol 41, 435-464.
3. Decho A. W. (1990) Microbial exopolymer secretions in ocean environments: their role(s) in food webs and marine processes. Oceanogr. Mar. Biol. Ann. Rev. 28, 73-153.
4. Droppo, I. G. (2001) Rethinking what constitutes suspended sediment. Hydrol. Proc. 15, 1551-1564.
5. Droppo, I. G. & Amos, C. I. (2001) The structure, stability and transformation of contaminated lacustrine surface finegrain lanimae. J. Sed Res. 71, 718-727.
6. Droppo, I. G., Leppard, G. G., Flannigan, D. T. & Liss, S. N. (1997) The freshwater floc: a functional relationship of water and organic and inorganic floc constituents affecting suspended sediment properties. Water Air Soil Pollut. 99, 43-53.
7. Droppo, I. G., Walling, D. E. & Ongley, E. D. (1998) Suspended sediment structure: implications for sediment and contaminant transport modelling. In: Modelling Soil Erosion. Sediment Transport and Closely Related Hydrological Processes (ed. by W. Summer, E. Klaghofer & W. Zhang) (Proc. Symp., Vienna, Austria July 1998), 437-444. IAHS Publ. 249.
8. Droppo, I. G., Walling, D. E. & Ongley, E. D. (2000) The influence of floc size, density and porosity on sediment and contaminant transport. In: Role of Erosion and Sediment Transport in Nutrient and Contaminant Transfer (ed. by M. Stone) (Proc. Symp., Waterloo, Canada, July 2000), 141-147. IAHS Publ. 263.
9. Droppo, I. G., Lau, Y. L. & Mitchell, C. (2001) The effect of depositional history on contaminated bed sediment stability. Sci. Total Environ. 266, 7-13.
10. Fennessy, M. J., Dyer, K. R. & Huntley, D. A. (1994) INSSEV: An instrument to measure the size and settling velocity of flocs in situ. Mar. Geol. 117, 107-117.
11. Finlayson, J. C., Liao, B., Droppo, I. G., Leppard, G. G. & Liss, S. N. 1998. The relationship between the structure of activated sludge flocs and the sorption of hydrophobic pollutants. Water Sci. Technol. 37(4-5), 353-357.
12. Gibbs, R. J. (1983) Coagulation rates of clay minerals and natural sediments. J. Sed. Petrol. 53, 1193-1203.
13. Gibbs, R. J. (1985) Estuarine flocs: their size, settling velocity and density. J. Geophys. Res. 90(C2), 3249-3251.
14. Hawley, N. (1982) Settling velocity distribution of natural aggregates. J. Geophys. Res. 87(C12), 9489-9498.
15. Hjulstrom, F. (1939) Transportation of detritus by moving water. In: Recent Marine Sediments: a Symposium (ed. by P. Trask) (Proc. Tulsa, Oklahoma, USA), Am. Assoc. Petroleum Geologists.
16. Leppard, G. G. (1985) Transmission electron microscopy applied to water fractionation studies - a new look at DOC. Water Pollut. Res. J. Can. 20, 100-110.
17. Leppard, G. G. (1997) Colloidal organic fibrils of acid polysaccharides in surface waters: electron-optical characteristics. activities and chemical estimates of abundance. Colloid Surf. 120, 1-15.
18. Li, D. H. & Ganczarczyk, J. (1987) Stroboscopic determination of settling velocity, size and porosity of activated sludge flocs. Water Res. 21, 257-262.
19. Liao, B. Q., Allen, D. G., Droppo, I. G., Leppard, G. G. & Liss, S. N. (2000) Bound water content of activated sludge and its relationships to sludge retention time, floc structure and surface properties. Water Environ. Res. 72, 722-730.
20. Liao, B. Q., Allen, D. G., Droppo, I. G., Leppard, G. G. & Liss, S. N. (2001) Surface properties of activated sludge and their role in bioflocculation and settling: extracellular polymeric substances, hydrophobicity and surface charge. Water Res. 35, 339-350.
21. Liao, B. Q., Allen, D. G., Leppard, G. G., Droppo, I. G. & Liss, S. N. (2002) Interparticle interactions affecting the stability of sludge flocs. J. Colloid Interface Sci. 249, 372-380.
22. Liss, S. N., Droppo, I. G., Flannigan, D. & Leppard, G. G. (1996) Floc architecture in wastewater and natural riverine systems. Environ. Sci. Technol. 30, 680-686.
23. Logan, B. E. (1993) Theoritical analysis of size distributions determined with screens and filters. Limnol. Oceanogr. 38, 372-381.
24. Logan, B. E. & Hunt, J. R. (1987) Advantages to microbes of growth in permeable aggregates in marine systems. Limnol. Oceanogr. 32, 1034-1048.
25. Logan, B. E. & Hunt, J. R. (1988) Bioflocculation as a microbial response to substrate limitations. Biotechnol. Bioeng. 31, 91-101.
26. Masliyah, J. H. & M. Polikar (1980) Termminal velocity of porous spheres. Can. J. Chem. Eng. 58, 299-302.
27. Muschenheim, D. K., Kepkay, P. E. & Kranck, K. (1989) Microbial growth in turbulent suspension and its relation to marine aggregate formation. Nether. J. Sea Re. 23, 283-292.
28. Nicholas, A. P. & Walling, D. E. (1996) The significance of particle aggregation in the overbank deposition of suspended sediment on river floodplains. J. Hydrol. 186, 275-293.
29. Ongley, E. D., Krishnappan, B. G., Droppo, I. G., Rao, S. S. & Maguire, R. J. (1992) Cohesive sediment transport: Emerging issues for toxic chemical management. Hydrobiologia 235/236, 177-187.
30. Petticrew, E. L. & Droppo, I. G. (2000) The morphology and settling characteristics of fine-grained sediment from a selection of Canadian rivers. In: Contributions to IAP-V by Canadian Experts, IHP-V-Technical Documents in Hydrology, 111-126, UNESCO Publ. no. 33, Paris, France.
31. Phillips, J. M. & Walling, D. E. (1995) An assessment of the effects of sample collection, storage and resuspension on the representativeness of measurements on the effective particle size distribution of fluvial suspended sediment. Water Res. 29, 2498-2508.
32. Tsai, C. H., Iacobellis, S. & Lick, W. (1987) Flocculation of fine-grained lake sediments due to a uniform shear stress. J. Great Lakes Res. 13, 135-146.
33. Van Leussen, W. (1988) Aggregation of particles, settling velocity of mud flocs: a review. In: Physical Processes in Estuaries (ed. by J. Donkers & W. van Leussen), 347-403, Springer, Berlin, Germany.