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sedimentation rate

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Published: 02 October 2017
Figure 3. Sedimentation rate in sediment cores A and B of Lake Qionghai. More
Journal Article
Aquatic Ecosystem Health & Management (2019) 22 (1): 77–85.
Published: 02 January 2019
... invertebrate settlement, Onset Hobo Pendant® Temperature logger was also attached with the tripods. The sediment traps in duplicate were also erected in the study site to assess the sedimentation rate of the reef ecosystem. About 80% of recruited coral spats were observed on the tiles which were exposed at 60...
Journal Article
Aquatic Ecosystem Health & Management (2005) 8 (1): 33–40.
Published: 01 January 2005
... waters. Dredged sediments have also been used in various trial projects to demonstrate potential handling and beneficial reuse strategies. Some significant findings of these studies are: 1) Long-term sedimentation rates are high, and average 1–3 cm y −1 ; 2) total concentrations of several trace metals...
Journal Article
Aquatic Ecosystem Health & Management (2017) 20 (4): 457–464.
Published: 02 October 2017
...Figure 3. Sedimentation rate in sediment cores A and B of Lake Qionghai. ...
Journal Article
Aquatic Ecosystem Health & Management (2005) 8 (1): 53–62.
Published: 01 January 2005
... sensitivity analyses at one of our sediment management sites, the Lower Fox River, has demonstrated that the rate at which polychlorinated biphenyl exposure decreases with time under natural processes is inversely proportional and very sensitive to the depth of mixing in the surficial sediments of the system...
Journal Article
Aquatic Ecosystem Health & Management (2004) 7 (1): 31–41.
Published: 01 January 2004
.... Release rates of soluble reactive phosphorus from frozen sediments collected at eleven representative sites in the marsh were highly variable, ranging from 0.96 to 28.28 mg m 2 d −1 . We wanted to evaluate spatial variance of the benthic microbial community and determine if this variation could be...
Journal Article
Aquatic Ecosystem Health & Management (2005) 8 (2): 133–145.
Published: 01 April 2005
... better predict the success of remediation in Cootes Paradise, reliable information on the sediment P release rates is essential. To assess the importance of internal loadings of nutrients from sediments in Cootes Paradise, a nutrient loading budget has to be developed. This requires quantification of...
Journal Article
Aquatic Ecosystem Health & Management (2000) 3 (3): 359–368.
Published: 01 January 2000
... by limiting the rate of suspended contaminated particles and creating an uncontaminated refuge for benthic organisms. A_quatic Ecosrstem Health & Management Aquatic Ecosystem Health and Management 3 (2000) 359-368 www.elsevier.com/locate/aquech Influence of sediment organic matter and fluoranthene...
Journal Article
Aquatic Ecosystem Health & Management (2005) 8 (3): 313–322.
Published: 01 July 2005
... not sensitive to toxicity in sediment from any of the three environments. Ceriodaphnia dubia was sensitive to chronic toxicity in bulk field sediments from all three environments, and showed an increase in mortality rate in tests with oxidized sediment. Billings sediment, with or without aeration...
Journal Article
Aquatic Ecosystem Health & Management (2018) 21 (1): 93–106.
Published: 02 January 2018
... remained consistent between 2006 and 2011. Contaminant down-flux rates for the upper St. Clair River have also decreased since remediation; however, data for hexachlorobenzene were variable with no apparent trend through time. Bottom sediment data for hexachlorobenzene, octachlorostyrene and...
Includes: Supplementary data
Journal Article
Aquatic Ecosystem Health & Management (2000) 3 (3): 317–334.
Published: 01 January 2000
... objectives. Based on the outcame of this study it is recommended that the priority for remedial action is made dependent on the rate of natural covering with sediments from the rivers Rhine and Meuse. Aquatic Ecosystem Health and Management 3 (2000) 317-334 quatic Ecosystem Health & Management...
Journal Article
Aquatic Ecosystem Health & Management (1999) 2 (4): 347–360.
Published: 01 January 1999
... currents (Rodhe and Holt, 1996). Sediment grain size and accumula- tion rates are quite heterogeneous within the study area due to differences in bottom current velocities (North Sea Task Force, 1993). This variation is reflected in the wide range for dry weight of the sedi- ments investigated in this...
Journal Article
Aquatic Ecosystem Health & Management (2011) 14 (4): 414–421.
Published: 01 October 2011
...Michael L. Knuth; John R. Kelly The amount of excess fixed nitrogen removed from the freshwater aquatic nitrogen cycle, particularly by freshwater wetlands, through denitrification (DNF) is largely unknown. Typically, DNF rates increase within sediments that have higher organic content and a source...
Journal Article
Aquatic Ecosystem Health & Management (2000) 3 (3): 387–396.
Published: 01 January 2000
... beyond source control. Apart from source control, the levels and rates for clean-up are far from obvious, and in some cases, appear unknown. While decisions to clean-up contaminated sediment depend on a large number of variables (i.e. economics, regulations, tech- nology), sound science must be one...
Journal Article
Aquatic Ecosystem Health & Management (2005) 8 (1): 41–51.
Published: 01 January 2005
... deposition in response to imposed tidal current forcing and passes time series of erosion rate, deposition rate, suspended sediment load, and shear velocity to the biogeochemical water quality model. The water quality model simulates interactions between a water column, a resuspendable floc layer, and the...
Journal Article
Aquatic Ecosystem Health & Management (2006) 9 (3): 351–356.
Published: 01 September 2006
...Shenyu Miao; R. D. DeLaune; A. Jugsujinda Nitrification and denitrification rates were estimated simultaneously using a 15 N dilution technique in sediment-water columns of Lake Cataouatche that receives diverted Mississippi River water. Labeled and unlabeled NO 3 were added to surface water of...
Journal Article
Aquatic Ecosystem Health & Management (2002) 5 (3): 329–343.
Published: 01 September 2002
... ages. At the sites studied, there was a large proportion of dead shells, suggesting colonization over an extended period, as well as a relatively high mortality rate due to burial by periodic catastrophic sedimentation after storms. This vulnerability and the need to be near to source areas make it...
Journal Article
Aquatic Ecosystem Health & Management (2004) 7 (3): 415–424.
Published: 01 July 2004
... the spiked sediment samples was estimated using a Beta-Poisson dose-response model. Using this approach, lower limit values corresponded to exposure levels of Escherichia coli 0157:H7 that meet United States Environmental Protection Agency accepted illness rates for recreational swimming. As the...
Journal Article
Aquatic Ecosystem Health & Management (2003) 6 (2): 217–228.
Published: 01 April 2003
...P. J. den Besten; A. Naber; E. M. M. Grootelaar; C. van de Guchte A field bioassay was developed to study the in situ effects of sediment contamination on Chironomus riparius larvae. The survival, development rate and increase in Chironomus larvae biomass was compared between laboratory bioassays...
Journal Article
Aquatic Ecosystem Health & Management (2004) 7 (3): 351–356.
Published: 01 July 2004
... kinetics (rates) and thermodynamics (positions of equilibrium) of the reactions that lead to the chemical species that are present at the ‘rim.’ Rarely is information available on the amounts of the active forms of detoxification components of water and/or sediments and the characteristics of the reactions...