Journal articles: 'Sediment transport – Champlain, Lake'

1

Nishri, A., and N. Koren. "Sediment transport in Lake Kinneret." SIL Proceedings, 1922-2010 25, no. 1 (September 1993): 290–92. http://dx.doi.org/10.1080/03680770.1992.11900117.

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Nishri, A., and N. Koren. "Sediment transport in Lake Kinneret." SIL Proceedings, 1922-2010 25, no. 4 (October 1994): 2522–25. http://dx.doi.org/10.1080/03680770.1992.11900685.

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Kjaran, Snorri Páll, Sigurdur Lárus Hólm, and Eric Matthew Myer. "Lake circulation and sediment transport in Lake Myvatn." Aquatic Ecology 38, no. 2 (2004): 145–62. http://dx.doi.org/10.1023/b:aeco.0000032049.94886.5a.

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Rayburn, John A., Thomas M. Cronin, David A. Franzi, Peter L. K. Knuepfer, and Debra A. Willard. "Timing and duration of North American glacial lake discharges and the Younger Dryas climate reversal." Quaternary Research 75, no. 3 (May 2011): 541–51. http://dx.doi.org/10.1016/j.yqres.2011.02.004.

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AbstractRadiocarbon-dated sediment cores from the Champlain Valley (northeastern USA) contain stratigraphic and micropaleontologic evidence for multiple, high-magnitude, freshwater discharges from North American proglacial lakes to the North Atlantic. Of particular interest are two large, closely spaced outflows that entered the North Atlantic Ocean via the St. Lawrence estuary about 13,200–12,900 cal yr BP, near the beginning of the Younger Dryas cold event. We estimate from varve chronology, sedimentation rates and proglacial lake volumes that the duration of the first outflow was less than 1 yr and its discharge was approximately 0.1 Sv (1 Sverdrup = 106 m3 s−1). The second outflow lasted about a century with a sustained discharge sufficient to keep the Champlain Sea relatively fresh for its duration. According to climate models, both outflows may have had sufficient discharge, duration and timing to affect meridional ocean circulation and climate. In this report we compare the proglacial lake discharge record in the Champlain and St. Lawrence valleys to paleoclimate records from Greenland Ice cores and Cariaco Basin and discuss the two-step nature of the inception of the Younger Dryas.

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Blom, G., and C. Toet. "Modelling Sediment Transport and Sediment Quality in a Shallow Dutch Lake (Lake Ketel)." Water Science and Technology 28, no. 8-9 (October 1, 1993): 79–90. http://dx.doi.org/10.2166/wst.1993.0606.

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Lake Ketel is a shallow Dutch lake, part of the river Rhine delta, with a surface area of 38 km2. Between 1960 and 1980 15×106 m3 contaminated sediment accumulated in the lake. After 1980 the contaminant load started to decrease. A common hypothesis was that the relatively clean solids supplied now, would slowly cover the contaminated sediment layer. Research indicated however a serious erosion of old and polluted bottom sediments. To quantify resuspension and sedimentation fluxes the sediment transport model STRESS-2d has been applied. Simulation results show a net sedimentation of 300×l06 kg year−1, but an erosion of old and polluted sediment of 350×106 kg year−1. In large areas in the lake net sedimentation is only a few millimetres a year, while high resuspension and sedimentation fluxes lead to an intensive interaction between sediment and water. Spatial variability in resuspension and sedimentation fluxes will lead to spatial gradients in the response of the bottom sediment to the reduced contaminant load. Based on the simulated resuspension and sedimentation fluxes, a simple model for the Cd concentration in the bottom sediment has been developed. Simulation results show a relatively fast decrease of the Cd concentration in the upper sediment layer areas with high net sedimentation and/or (brute) resuspension and sedimentation fluxes.

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Cardenas, Mary P., David J. Schwab, Brian J. Eadie, Nathan Hawley, and Barry M. Lesht. "Sediment Transport Model Validation in Lake Michigan." Journal of Great Lakes Research 31, no. 4 (January 2005): 373–85. http://dx.doi.org/10.1016/s0380-1330(05)70269-0.

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Meals, D. W. "Water quality response to riparian restoration in an agricultural watershed in Vermont, USA." Water Science and Technology 43, no. 5 (March 1, 2001): 175–82. http://dx.doi.org/10.2166/wst.2001.0280.

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Achievement of management goals for Lake Champlain (Vermont/New York, USA and Quebec, Canada) will require reduction of agricultural phosphorus loads, the dominant nonpoint source in the Basin. Cost-effective phosphorus reduction strategies need reliable treatment techniques beyond basic cropland and waste management practices. The Lake Champlain Basin Agricultural Watersheds National Monitoring Program (NMP) Project evaluates the effectiveness of livestock exclusion, streambank protection, and riparian restoration practices in reducing concentrations and loads of nutrients, sediment, and bacteria in surface waters. Treatment and control watersheds in northwestern Vermont have been monitored since 1994 according to a paired-watershed design. Monitoring consists of continuous stream discharge recording, flow-proportional sampling for total P, total Kjeldahl N, and total suspended solids, grab sampling for indicator bacterial, and land use/agricultural monitoring. Strong statistical calibration between the control and treatment watersheds has been achieved. Installation of riparian fencing, protected stream crossings, and streambank bioengineering was completed in 1997. Early post-treatment data suggest significant reduction in P concentrations and loads and in bacteria counts in the treated watershed. Monitoring is scheduled to continue through 2000.

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Chao, Xiaobo, A. K. M. Azad Hossain, Mohammad Z. Al-Hamdan, Yafei Jia, and James V. Cizdziel. "Three-Dimensional Numerical Modeling of Flow Hydrodynamics and Cohesive Sediment Transport in Enid Lake, Mississippi." Geosciences 12, no. 4 (April 2, 2022): 160. http://dx.doi.org/10.3390/geosciences12040160.

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Enid Lake is one of the largest reservoirs located in Yazoo River Basin, the largest basin in the state of Mississippi. The lake was impounded by Enid Dam on the Yocona River in Yalobusha County and covers an area of 30 square kilometers. It provides significant natural and recreational resources. The soils in this region are highly erodible, resulting in a large amount of fine-grained cohesive sediment discharged into the lake. In this study, a 3D numerical model was developed to simulate the free surface hydrodynamics and transportation of cohesive sediment with a median diameter of 0.0025 to 0.003 mm in Enid Lake. Flow fields in the lake are generally induced by wind and upstream river inflow, and the sediment is also introduced from the inflow during storm events. The general processes of sediment flocculation and settling were considered in the model, and the erosion rate and deposition rate of cohesive sediment were calculated. In this model, the sediment simulation was coupled with flow simulation. In this research, remote sensing technology was applied to estimate the sediment concentration at the lake surface and provide validation data for numerical model simulation. The model results and remote sensing data help us to understand the transport, deposition and resuspension processes of cohesive sediment in large reservoirs due to wind-induced currents and upstream river flows.

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Lesht, Barry M. "Climatology of Sediment Transport on Indiana Shoals, Lake Michigan." Journal of Great Lakes Research 15, no. 3 (January 1989): 486–97. http://dx.doi.org/10.1016/s0380-1330(89)71504-5.

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Hawley, Nathan, Courtney K. Harris, Barry M. Lesht, and Anne H. Clites. "Sensitivity of a sediment transport model for Lake Michigan." Journal of Great Lakes Research 35, no. 4 (December 2009): 560–76. http://dx.doi.org/10.1016/j.jglr.2009.06.004.

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Kennie, Patricia, Jim Bogen, and Hans Olsen. "Estimating long term sediment yields from sediment core analysis." Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation 42, no. 1 (January 1, 2010): 115–26. http://dx.doi.org/10.2478/v10060-008-0070-x.

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Estimating long term sediment yields from sediment core analysis Sediment cores from lakes and reservoirs can be used to estimate sediment yields. In proglacial lakes, the bed sediment typically accumulates as varves, reflecting changes in seasonal and annual sedimentation. This report compares the results from two different methods of measuring suspended sediment transport in a Norwegian glacial river and lake. Sediment yields obtained from a study of sediment cores in the proglacial lake Nigardsvatn along with measurements of the delta topset were compared with a 25-year record of sediment transport based on automatic water sampling and water discharge measurements at a monitoring station at the inflowing river. During the period from 1980 to 2005, analyses of sediment cores taken from the lake bed along with measurements and grain size distribution analysis of the delta indicated that a volume of 175,670 to 202,697 m3 was deposited in the lake Nigardsvatn and corresponding river delta. The year 1980 was selected as a convenient starting point because a large-magnitude flood with a 100-year recurrence interval occurred at the end of 1979, leaving an easily recognizable sediment layer and accurate reference point. Sediment cores were taken at a total of 24 locations throughout the lake and 25 locations in the delta. The densities of the sediment cores were found to vary between 1.3 and 1.5 g/cm3 during the period examined in this study, giving a total suspended sediment load of between 175,670 and 202,697 tons. The measurements carried out at the sediment station in the glacier melt-water river gave a value of 294,800 tons during the same period. A final value of 211,100 tons is calculated from the monitoring station results after deduction of the sediment fraction which passes through the lake without being deposited. This gives a discrepancy between the two methods of 8,403 to 35,430 tons (4-20%). This can be partially attributed to the difficulties of measuring the water discharge in the unstable glacier meltwater river. In conclusion, sediment cores may be used to extrapolate or correct measurements from sediment monitoring stations over longer periods but caution should be made when considering single years.

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12

Blom, G., and C. Toet. "A Sediment Transport Model for Lake Ketel (The Netherlands): A Tool for Water Management." Water Science and Technology 24, no. 6 (September 1, 1991): 141–48. http://dx.doi.org/10.2166/wst.1991.0150.

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In Lake Ketel (The Netherlands) the bottom sediment is contaminated with heavy metals and organic micro pollutants. To simulate the effect of management options on transport of polluted bottom sediment STRESS-2d, a 2-dimensional model for sediment transport, resuspension and sedimentation in shallow lakes was adapted for Lake Ketel. Model development, calibration and simulation results are discussed in some detail, with emphasis on the effects of uncertainty in parameter values.

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YAMASAKI, Yusuke, Yasuo NIHEI, and Masatake OOZEKI. "COMPUTATION OF SEDIMENT TRANSPORT IN LAKE TEGANUMA WITH A COUPLED RIVER-LAKE MODEL." PROCEEDINGS OF HYDRAULIC ENGINEERING 49 (2005): 1225–30. http://dx.doi.org/10.2208/prohe.49.1225.

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14

Larsson, Per, Lennart Okla, Sven-Olof Ryding, and Bengt Westöö. "Contaminated Sediment as a Source of PCBs in a River System." Canadian Journal of Fisheries and Aquatic Sciences 47, no. 4 (April 1, 1990): 746–54. http://dx.doi.org/10.1139/f90-085.

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The transport of PCBs (Aroclor 1242) in a river system in southern Sweden was governed by outflow from sediment in a 26-ha contaminated lake. Experiments in the lake revealed that 14 g PCBs/d escaped from the sediment, while sedimentation was 3 g PCB/d. Volatilization of PCBs from the lake surface was 0.02 g/d, which was considerably higher than the atmospheric fallout [Formula: see text]. The majority of the sediment-desorbed compounds (80%) remained at the river mouth, 60 km downstream, and entered the Baltic Sea. Desorption increased the ratio of tetrachlorobiphenyls to pentachlorobiphenyls in the water. Transport across the water/air interface was higher for trichlorobiphenyls, while atmospheric deposition was dominated by penta- and hexachlorobiphenyls. Therefore, the sediment of the lake acted as a source of PCBs entering the river system as well as the atmosphere.

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Kim, J. W., H. K. Ha, S. B. Woo, M. S. Kim, and H. K. Kwon. "Unbalanced sediment transport by tidal power generation in Lake Sihwa." Renewable Energy 172 (July 2021): 1133–44. http://dx.doi.org/10.1016/j.renene.2021.03.088.

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Dostal, Tomas, Josef Krasa, Karel Vrana, Martin Dockal, Petr Koudelka, Vaclav David, and Adam Vokurka. "Sediment transport and water quality in Máchovo Lake (Czech Republic)." Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation 42, no. 1 (January 1, 2010): 139–48. http://dx.doi.org/10.2478/v10060-008-0072-8.

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Sediment transport and water quality in Máchovo Lake (Czech Republic) Máchovo Lake is a historical reservoir founded by Czech King Charles IV. in 14th century. Located in northern part of central Bohemia it has been widely used for recreation purposes for many decades (or even centuries). Its catchments (ca 100 sq km) consist of intensively used agricultural land (ca 25% of area) and of large forested area under nature protection. Several other lakes (ponds) are chained on the two reservoir's inlets. Irrespective of its great recreation potential Máchovo Lake is one of the Bohemian lakes known for its problems with eutrophication and water quality. The project was set up to point out sources of nutrients and to search for proper solutions. Sediment loads in every lake within the catchments were measured and sampled in order to quantify the nutrients and other pollution. Point and non point sources of phosphorus and other nutrients were searched. Sediment transport within catchments was modelled using WaTEM/SEDEM model. Interestingly, the water quality in the particular ponds varies significantly even though each one of several hundred years old ponds is heavily silted. Soil erosion protection measures within catchments were proposed altogether with flood protection measures in the stream valleys and waste water treatment facilities in surrounding villages. Setting up water quality sampling devices in selected stream profiles was tested and designed. The continual proper management should lead to water quality improvement.

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Siegenthaler, C., and M. Sturm. "Slump induced surges and sediment transport in Lake Uri, Switzerland." SIL Proceedings, 1922-2010 24, no. 2 (March 1991): 955–58. http://dx.doi.org/10.1080/03680770.1989.11898889.

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18

Østrem, Gunnar, Nils Haakensen, and Hans Chr Olsen. "Sediment transport, delta growth and sedimentation in lake nigardsvatn, norway." Geografiska Annaler: Series A, Physical Geography 87, no. 1 (March 2005): 243–58. http://dx.doi.org/10.1111/j.0435-3676.2005.00256.x.

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19

Coakley, John P., and Donald J. Poulton. "Tracers for Fine Sediment Transport in Humber Bay, Lake Ontario." Journal of Great Lakes Research 17, no. 3 (January 1991): 289–303. http://dx.doi.org/10.1016/s0380-1330(91)71366-x.

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20

Blom, G., and H. J. Winkels. "Modelling sediment accumulation and dispersion of contaminants in Lake Ijsselmeer (The Netherlands)." Water Science and Technology 37, no. 6-7 (March 1, 1998): 17–24. http://dx.doi.org/10.2166/wst.1998.0730.

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In this study two models are integrated for the simulation of sediment distribution and quality in the Lake IJsselmeer area. STRESS-2d, a two dimensional dynamic model for simulation of sediment transport due to resuspension, erosion, sedimentation and horizontal advection and dispersion is used to simulate the sediment transport dynamics for a period of one year. The model is calibrated on water level, suspended solids concentration and sedimentation flux measurements. The model has a high spatial and temporal resolution. The model DIASPORA, which is based on STRESS-2d results, simulates the effects of sediment transport on morphology and contaminant concentrations in the sediment for a period of decades. DIASPORA also simulates dilution by internally produced CaCO3 and consolidation of sediment layers. The models produce a reasonable reconstruction of suspended solids concentrations and long term accumulation of sediments in deep areas within the lake. Also the temporal and spatial variability in the contaminant concentration in sediments in Lake IJsselmeer is reconstructed with sufficient quality. Model simulations show that internal redistribution of old deposits in the IJsselmeer area and internal production of CaCO3 are diluting the contaminated solids supplied by the river IJssel.

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Wang, Hua, John Paul Kaisam, Dongfang Liang, Yanqing Deng, and Yuhan Shen. "Wind impacts on suspended sediment transport in the largest freshwater lake of China." Hydrology Research 51, no. 4 (July 9, 2020): 815–32. http://dx.doi.org/10.2166/nh.2020.153.

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Abstract Poyang Lake, the largest freshwater lake in China, is distinguished by complicated suspended sediment (SS) dynamics. Apart from lake currents, wind is an important form of natural disturbance in driving SS transport. Combining field data, laboratory experiments, and numerical simulations, we gained valuable insight into wind impacts on SS dynamics in Poyang Lake. (1) Lake current patterns exert great influence on the level of wind impacts. Due to reduced sediment carrying capacity, SS under weak current suffers from stronger wind influence than under strong currents. (2) Wind speed determines the degree of wind impact, not only affecting horizontal SS transport, but also regulating vertical dynamics. Winds exceeding critical intensity can enhance horizontal transport through both surface drift and Stokes drift at different water depths, triggering sediment suspension to feed the loads in overlying water. (3) Wind impact is influenced by lake morphology. The broad water surface in the central lake permits formation of continuous waves, leading to the largest SS fluctuation, from −10.05 mg·L−1 to +20.17 mg·L−1, while average variation in the south and north part of the lake is only −6.59 mg·L−1 to +10.36 mg·L−1. (4) SS in four reserves are characterized by notable wind impact, while in the other two reserves SS show no obvious departure from values without wind.

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Lu, Jianzhong, Haijun Li, Xiaoling Chen, and Dong Liang. "Numerical Study of Remote Sensed Dredging Impacts on the Suspended Sediment Transport in China’s Largest Freshwater Lake." Water 11, no. 12 (November 21, 2019): 2449. http://dx.doi.org/10.3390/w11122449.

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As the largest freshwater lake in China, Poyang Lake plays an important role in the ecosystem of the Yangtze River watershed. The high suspended sediment concentration (SSC) has been an increasingly significant problem under the influence of extensive sand dredging. In this study, a hydrodynamic model integrated with the two-dimensional sediment transport model was built for Poyang Lake, considering sand dredging activities detected from satellite images. The sediment transport model was set with point sources of sand dredging, and fully calibrated and validated by observed hydrological data and remote sensing results. Simulations under different dredging intensities were implemented to investigate the impacts of the spatiotemporal variation of the SSC. The results indicated that areas significantly affected by sand dredging were located in the north of the lake and along the waterway, with a total affected area of about 730 km2, and this was one of the main factors causing high turbidity in the northern part of the lake. The SSC in the northern area increased, showing a spatial pattern in which the SSC varied from high to low from south to north along the main channel, which indicated close agreement with the results captured by remote sensing. In summary, this study quantified the influence of human induced activities on sediment transport for the lake aquatic ecosystem, which could help us to better understand the water quality and manage water resources.

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Mantasa Salve Prastica, Rian, Herr Soeryantono, and Dwinanti Rika Marthanty. "2-D Numerical modelling of hydrodynamic and sediment transport in Agathis Lake." MATEC Web of Conferences 270 (2019): 04019. http://dx.doi.org/10.1051/matecconf/201927004019.

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Problems about lakes are inclining every year, especially for water quality problem. Policy decisions to conserve lakes could be well achieved by data prediction. Modelling by using software could describe the future conditions of lake and give policymakers to legislate the best alternative solution. This research studies Agathis lake characteristics. The lake is situated in Universitas Indonesia, Depok, West Java, Indonesia. The research employs Resource Modelling Associates (RMA) program to simulate hydraulic and water quality data. This research will determine the most representative water sampling location and type of TSS for calibration analysis. Next, this research simulates two scenarios of lake’s conditions. The simulation is run by modelling the lake with wetland scenario and with rainy season scenario. After running several iterations, the most representative water sampling location is in the upper part of the water column and the best model of TSS is mixed TSS. Two simulated scenarios produce a reasonable result and could predict the future conditions of Agathis Lake. The research recommends that the sediment trap, that is located in the inlet of the lake, should be well-treated regularly in rainy season, and Universitas Indonesia should manage and arrange the suitable plants to be applied in the future constructed wetland.

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Juschus, Olaf, Maksim Pavlov, Georg Schwamborn, Frank Preusser, Grigory Fedorov, and Martin Melles. "Late Quaternary lake-level changes of Lake El'gygytgyn, NE Siberia." Quaternary Research 76, no. 3 (November 2011): 441–51. http://dx.doi.org/10.1016/j.yqres.2011.06.010.

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AbstractLake El'gygytgyn is situated in a 3.6 Ma old impact crater in northeastern Siberia. Presented here is a reconstruction of the Quaternary lake-level history as derived from sediment cores from the southern lake shelf. There, a cliff-like bench 10 m below the modern water level has been investigated. Deep-water sediments on the shelf indicate high lake levels during a warm Mid-Pleistocene period. One period with low lake level prior to Marine Oxygen Isotope Stage (MIS) 3 has been identified, followed by a period of high lake level (10 m above present). In the course of MIS 2 the lake level dropped to − 10 m. At the end of MIS 2 the bench was formed and coarse beach sedimentation occurred. Subsequently, the lake level rose rapidly to the Holocene level. Changes in water level are likely linked to climate variability. During relatively temperate periods the lake becomes free of ice in summer. Strong wave actions transport sediment parallel to the coast and towards the outlet, where the material tends to accumulate, resulting in lake level rise. During cold periods the perennial lake ice cover hampers any wave activity and pebble-transport, keeping the outlet open and causing the lake level to drop.

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Kelderman, P., P. De Rozari, S. Mukhopadhyay, and R. O. Ang'weya. "Sediment dynamics in shallow Lake Markermeer, The Netherlands: field/laboratory surveys and first results for a 3-D suspended solids model." Water Science and Technology 66, no. 9 (November 1, 2012): 1984–90. http://dx.doi.org/10.2166/wst.2012.325.

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In 2007/08, a study was undertaken on sediment dynamics in shallow Lake Markermeer, The Netherlands. Firstly, the sediment characteristics median grain size, mud content and loss on ignition showed a spatial as well as water depth related pattern indicating wind-induced sediment transport. Sediment dynamics were investigated in a sediment trap field survey at two stations. Sediment yields, virtually all coming from sediment resuspension, were significantly correlated with wind speeds. Resuspension rates for Lake Markermeer were very high, viz. ca. 1,000 g/m2day as an annual average, leading to high suspended solids (SS) contents, due to the large lake area and its shallowness (high ‘Dynamic Ratio’). Sediment resuspension behaviour was further investigated in preliminary laboratory experiments using a ‘micro-flume’, applying increasing water currents onto five Lake Markermeer sediments. Resuspension showed a clear exponential behaviour. Finally, a 3-D model was set up for water quality and SS contents in Lake Markermeer; first results showed a good agreement between modelled and actual SS contents. Construction of artificial islands and dams will reduce wind fetches and may be expected to cause a substantial decrease in lake water turbidity.

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Watzin, Mary C., Alan W. McIntosh, Erik A. Brown, Rebekah Lacey, Deborah C. Lester, Kathleen L. Newbrough, and Ann R. Williams. "ASSESSING SEDIMENT QUALITY IN HETEROGENEOUS ENVIRONMENTS: A CASE STUDY OF A SMALL URBAN HARBOR IN LAKE CHAMPLAIN, VERMONT, USA." Environmental Toxicology and Chemistry 16, no. 10 (1997): 2125. http://dx.doi.org/10.1897/1551-5028(1997)016<2125:asqihe>2.3.co;2.

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Watzin, Mary C., Alan W. McIntosh, Erik A. Brown, Rebekah Lacey, Deborah C. Lester, Kathleen L. Newbrough, and Ann R. Williams. "Assessing sediment quality in heterogeneous environments: A case study of a small urban harbor in Lake Champlain, Vermont, USA." Environmental Toxicology and Chemistry 16, no. 10 (October 1997): 2125–35. http://dx.doi.org/10.1002/etc.5620161020.

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Allen, Phillip P., Richard Hewitt, Maciej K. Obryk, and Peter T. Doran. "Sediment transport dynamics on an ice-covered lake: the ‘floating’ boulders of Lake Hoare, Antarctica." Antarctic Science 27, no. 2 (September 23, 2014): 173–84. http://dx.doi.org/10.1017/s0954102014000558.

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AbstractBetween 1995 and 2011 a global positioning system survey of 13 boulders and three ablation stakes (long stakes frozen in the ice) on the frozen surface of Lake Hoare was undertaken. Data interpretation illustrates complexities of post-depositional transport dynamics of boulders. Earlier studies on comparable datasets have suggested linear ‘conveyor’ type transport mechanisms for lake surface boulders. Yet explanations for non-linear boulder displacements or ‘walks’ and the mechanisms responsible for movements are inadequate. Two modes of boulder specific movement were observed. First, localized changes in the ice surface promote individual boulder movement (rolling). Second, ice rafting, which indicates the displacement of ‘plates’ of lake ice on which the boulder is located. Ablation stakes used as fixed survey control points support the hypothesis that ice cover moves as discrete plates rather than as a single homogenous mass. Factors that create the conditions to generate either of the two modes of movement may be related to location specific energy budgets. A relationship between average orientations and prevailing wind direction was also observed. The investigation describes the local-scale behaviour of surveyed boulders, and offers methodologies and interpretive frameworks for additional studies of modern and ancient sediment transportation dynamics in Antarctic lacustrine environments.

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Wang, Hua, Zhizhang Zhang, Depeng Song, Yiyi Zhou, and Xiaodong Liu. "Water and sediment transport mechanisms in a large river-connected lake." Water and Environment Journal 29, no. 3 (May 5, 2015): 391–401. http://dx.doi.org/10.1111/wej.12121.

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Wang, Chao, Chao Shen, Pei-Fang Wang, Jin Qian, Jun Hou, and Jia-Jia Liu. "Modeling of sediment and heavy metal transport in Taihu Lake, China." Journal of Hydrodynamics 25, no. 3 (June 2013): 379–87. http://dx.doi.org/10.1016/s1001-6058(11)60376-5.

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Hawley, Nathan, and Chang-Hee Lee. "Sediment resuspension and transport in Lake Michigan during the unstratified period." Sedimentology 46, no. 5 (September 1999): 791–805. http://dx.doi.org/10.1046/j.1365-3091.1999.00251.x.

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Bodnár, Eszter, Klára Polyák, and József Hlavay. "Material transport between the atmosphere and sediment of the Lake Balaton." Microchemical Journal 79, no. 1-2 (January 2005): 221–30. http://dx.doi.org/10.1016/j.microc.2004.05.009.

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Van Duin, E. H. S., G. Blom, L. Lijklema, and M. J. M. Scholten. "Aspects of modelling sediment transport and night conditions in Lake Marken." Hydrobiologia 235-236, no. 1 (July 1992): 167–76. http://dx.doi.org/10.1007/bf00026209.

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Freeman, Angelina M., Felix Jose, Harry H. Roberts, and Gregory W. Stone. "Storm induced hydrodynamics and sediment transport in a coastal Louisiana lake." Estuarine, Coastal and Shelf Science 161 (August 2015): 65–75. http://dx.doi.org/10.1016/j.ecss.2015.04.011.

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Delwiche, Kyle, Junyao Gu, Harold Hemond, and Sarah P. Preheim. "Vertical transport of sediment-associated metals and cyanobacteria by ebullition in a stratified lake." Biogeosciences 17, no. 12 (June 19, 2020): 3135–47. http://dx.doi.org/10.5194/bg-17-3135-2020.

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Abstract. Bubbles adsorb and transport particulate matter in a variety of natural and engineered settings, including industrial, freshwater, and marine systems. While methane-containing bubbles emitted from anoxic sediments are found widely in freshwater ecosystems, relatively little attention has been paid to the possibility that these bubbles transport particle-associated chemical or biological material from sediments to surface waters of freshwater lakes. We triggered ebullition and quantified transport of particulate material from sediments to the surface by bubbles in Upper Mystic Lake, MA, and in a 15 m tall experimental column. Particle transport was positively correlated with the volume of gas bubbles released from the sediment, and particles transported by bubbles appear to originate almost entirely in the sediment, rather than being scavenged from the water column. Concentrations of arsenic, chromium, lead, and cyanobacterial cells in bubble-transported particulate material were similar to those of bulk sediment, and particles were transported from depths exceeding 15 m, implying the potential for daily average fluxes as large as 0.18 µg arsenic m−2 and 2×104 cyanobacteria cells m−2 in the strongly stratified Upper Mystic Lake. Bubble-facilitated arsenic transport currently appears to be a modest component of total arsenic cycling in this lake. Although more work is needed to reduce uncertainty in budget estimates, bubble-facilitated cyanobacterial transport has the potential to contribute substantially to the cyanobacteria cell recruitment to the surface of this lake and may thus be of particular importance in large, deep, stratified lakes.

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Hongbin, GAO, LI Changyou, SUN Biao, SHI Xiaohong, and FAN Cairui. "Solutes transport between lake water and sediment pore water during the lake water level fluctuation in Lake Hulun." Journal of Lake Sciences 29, no. 6 (2017): 1331–41. http://dx.doi.org/10.18307/2017.0605.

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Ventling-Schwank, Andrea R., and David M. Livingstone. "Transport and Burial as a Cause of Whitefish (Coregonus sp.) Egg Mortality in a Eutrophic Lake." Canadian Journal of Fisheries and Aquatic Sciences 51, no. 9 (September 1, 1994): 1908–19. http://dx.doi.org/10.1139/f94-192.

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Predictions based on the Shields diagram and confirmed by experiments conducted in eutrophic Lake Sempach imply that bottom currents associated with winter storm events are responsible for the simultaneous transport of coregonid eggs and fine silt and clay (grain size [Formula: see text]) from the spawning grounds into deeper lake regions. The critical shear stress required to initiate egg transport is estimated to lie in the range 0.02–0.04 N∙m−2, corresponding to mean current speeds of 10–15 cm∙s−1 at a reference height of 0.5 m above the sediment surface. On settling out, egg burial is likely. This will increase egg mortality not only by physically hindering oxygen transport to the egg, but also, in POC-rich eutrophic lake sediment, by relocating the egg in a zone of steep oxygen gradients and low mean oxygen concentrations. Microelectrode measurements and computation of the thickness of the oxygen diffusive boundary layer over the sediment reveal that even eggs that escape interment are likely to be subjected to ambient oxygen concentrations insufficient for development to hatching. It is suggested that transport and burial may in general be important factors determining coregonid egg mortality in eutrophic lakes.

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38

Appleby, P. G., P. Semertzidou, G. T. Piliposian, R. C. Chiverrell, D. N. Schillereff, and J. Warburton. "The transport and mass balance of fallout radionuclides in Brotherswater, Cumbria (UK)." Journal of Paleolimnology 62, no. 4 (September 27, 2019): 389–407. http://dx.doi.org/10.1007/s10933-019-00095-z.

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Abstract This paper investigates the role of intervening transport processes on lake sediment records of the atmospherically deposited radionuclides 210Pb and 137Cs. Brotherswater is of particular interest to this issue in that its large catchment/lake area ratio and short water residence time are likely to amplify the influence of these processes, both from the catchment and through the water column. Brotherswater is also unique in being the site of two earlier multicore studies that, together with the present study, span a period of 4 decades. Measurements of fallout radionuclides were made on soil cores, suspended sediments and sediment cores, and the results combined with those from earlier studies to construct mass balances for 210Pb and 137Cs in Brotherswater. The results showed that catchment inputs accounted for 63% of 210Pb entering the lake. Further, just 47% of 210Pb entering the water column was delivered to the sediment record. For comparison, in an earlier study at nearby Blelham Tarn with a relatively smaller catchment but longer water residence time it was shown that 47% of 210Pb inputs were delivered via the catchment, 75% of which were delivered to the sediment record. Results from both sites suggest that 210Pb is predominantly transported on fine particulates with a mean particle size of 3–4 μm. Their relatively slow removal from the water column allows them to be transported relatively uniformly throughout the lake and may help account for the fact that simple 210Pb dating models are relatively reliable in spite of the complexities of the transport processes. Mass balance calculations for 137Cs are more complicated because of the variable fallout record. Measurements of 137Cs in the input stream and water column showed that catchment inputs are still significant 30 years after the last significant fallout (Chernobyl). Modelled results showed that catchment inputs delayed the date of peak inputs of weapons test fallout to the lake though by no more than 2 years. Although the results presented here are primarily concerned with fallout radionuclides and their reliability for dating, they also have implications for the use of sediment archives in reconstructing historical records of other atmospherically deposited substances such as trace metals or persistent organic pollutants.

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39

Courtney Mustaphi, Colin J., and Konrad Gajewski. "Holocene sediments from a coastal lake on northern Devon Island, Nunavut, Canada." Canadian Journal of Earth Sciences 50, no. 5 (May 2013): 564–75. http://dx.doi.org/10.1139/cjes-2012-0143.

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Sediment cores from Lake DV09, northern Devon Island, Nunavut, Canada (75°34′34″N, 89°18′55″W), were studied to reconstruct the lake ontogeny through analysis and interpretation of the sediment stratigraphy. The lake was uplifted from marine inundation ∼7600 cal BP. After a millennium of rapid sediment accumulation, which coincided with the Holocene Thermal Maximum in the region, accumulation rates decreased over the past 6000 years as the Arctic became colder. This resulted in the deposition of very fine laminae that were interpreted as varves. The uppermost laminated sediments provided a ∼1600 year history of annual sediment transport and deposition into the lake. During periods of warmer temperatures, such as between 6000 and 7500 cal BP and during the Medieval Climate Anomaly (∼950–1300 CE; CE, Christian Era), hydroclimatic and permafrost slope processes increased sedimentation rates into the basin.

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40

Normandeau, Alexandre, Patrick Lajeunesse, Annie-Pier Trottier, Antoine G. Poiré, and Reinhard Pienitz. "Sedimentation in isolated glaciomarine embayments during glacio-isostatically induced relative sea level fall (northern Champlain Sea basin)." Canadian Journal of Earth Sciences 54, no. 10 (October 2017): 1049–62. http://dx.doi.org/10.1139/cjes-2017-0002.

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The nature of glaciomarine sediments deposited during ice margin retreat can vary according to physiographic setting and relative sea level fluctuations. To understand the effects of these two parameters on sedimentation, we analyzed the sediment records of four lakes located within former isolated glaciomarine embayments of the northern Champlain Sea basin. These lakes were initially inundated by marine water of the Champlain Sea, following deglaciation, and have subsequently experienced basin isolation owing to glacio-isostatic rebound. Three of these lakes reveal a common litho- and acoustic stratigraphic succession, characterized by an IRD-free glaciomarine to marine facies consisting of homogeneous to faintly laminated clayey silts grading into well-laminated silts with rapidly deposited layers. These two units recorded the transitional environment from glaciomarine sedimentation below multiyear shorefast ice to increased terrestrial runoff and rapid glacio-isostatic rebound once the ice margin retreated inland. During ice margin retreat, relative sea level fell concomitantly resulting in the deposition of coarser sediments in marine embayments. Upon the complete retreat of the ice margin, the supply of terrestrial sediments diminished and lake isolation, driven by relative sea level fall, led to higher biogenic content and increased bioturbation. This study provides a framework for sedimentation in isolated glaciomarine embayments which differs from deep-water sedimentation owing to the presence of shorefast sea-ice and their protected location from major ice-stream outlets.

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McFall, Brian C., Honghai Li, David Arnold, Katherine E. Brutsché, David Bucaro, and Erin Maloney. "SEDIMENT TRANSPORT AND SHORELINE RESPONSE TO NEARSHORE PLACEMENT OF DREDGED SEDIMENT IN SOUTHERN LAKE MICHIGAN, USA." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 49. http://dx.doi.org/10.9753/icce.v36.sediment.49.

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Shoreline erosion downdrift of littoral barriers, such as harbor breakwaters, is a universal concern. The beneficial use of dredged sediment through placement in the nearshore downdrift of littoral barriers is common place, but key questions about the sediment transport and shoreline response remain challenging. To that end, the shoreline at Ogden Dunes, Indiana, along the southern shores of Lake Michigan is investigated with historical aerial photographs, nearshore placement records, hydrodynamic and bathymetric field data, and numerical models.

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Levine, Suzanne N., Andrea Lini, Milton L. Ostrofsky, Heather Burgess-Grant, Andrea Lami, Elizabeth Collyer-Gilles, Daun Reuter, Lindsay Schwarting-Miller, and Neil Kamman. "The relative roles of point and nonpoint phosphorus sources in the eutrophication of Lake Champlain as recorded in sediment cores." Journal of Great Lakes Research 44, no. 5 (October 2018): 1043–56. http://dx.doi.org/10.1016/j.jglr.2018.06.005.

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43

LIN, PENGZHI, YINNA WU, JUNLI BAI, and QUANHONG LIN. "A NUMERICAL STUDY OF DAM-BREAK FLOW AND SEDIMENT TRANSPORT FROM A QUAKE LAKE." Journal of Earthquake and Tsunami 05, no. 05 (December 2011): 401–28. http://dx.doi.org/10.1142/s1793431111001169.

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Dam-break flows are simulated numerically by a two-dimensional shallow-water-equation model that combines a hydrodynamic module and a sediment transport module. The model is verified by available analytical solutions and experimental data. It is demonstrated that the model is a reliable tool for the simulation of various transient shallow water flows and the associated sediment transport and bed morphology on complex topography. The validated model is then applied to investigate the potential dam-break flows from Tangjiashan Quake Lake resulting from Wenchuan Earthquake in 2008. The dam-break flow evolution is simulated by using the model in order to provide the flooding patterns (e.g., arrival time and flood height) downstream. Furthermore, the sediment transport and bed morphology simulation is performed locally to study the bed variation under the high-speed dam-break flow.

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44

Cossu, R., A. L. Forrest, H. A. Roop, G. B. Dunbar, M. J. Vandergoes, R. H. Levy, P. Stumpner, and S. G. Schladow. "Seasonal variability in turbidity currents in Lake Ohau, New Zealand, and their influence on sedimentation." Marine and Freshwater Research 67, no. 11 (2016): 1725. http://dx.doi.org/10.1071/mf15043.

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Layers of sediment that are deposited on the floor of Lake Ohau, New Zealand, offer a means to reconstruct past climate conditions in the Southern Hemisphere at subdecadal and annual resolution. A robust understanding of the modern physical processes that control the influx and dispersal of sediment in the lake is required to reconstruct climate from these sedimentary archives. In this study, water temperature and velocity measurements collected during 2012–13 were analysed to determine the primary physical processes that influence sediment transport in the lake. Sediment input from river inflow occurs throughout the year but exhibits strong seasonal variation. Large inflow events (Q>500m3s–1) that follow strong summer rainstorms trigger high-concentration turbidity currents, which are the main agents for sediment delivery and deposition. During winter, smaller turbidity currents also occur after rain events and contribute to annual sediment accumulation. In addition, large internal waves were observed during the summer and may influence sedimentation. In conclusion, several processes including river inflow, internal waves and convectively driven flows control sediment deposition and accumulation in the Lake Ohau system. We utilise these observations to establish a conceptual model to explain the observed infill stratigraphy in Lake Ohau and guide interpretation of the longer sedimentary record.

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45

Lamoureux, Scott F. "Catchment and lake controls over the formation of varves in monomictic Nicolay Lake, Cornwall Island, Nunavut." Canadian Journal of Earth Sciences 36, no. 9 (September 1, 1999): 1533–46. http://dx.doi.org/10.1139/e99-040.

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On the basis of thin-section sedimentology, 137Cs and 210Pb profiles, and the pronounced seasonality of runoff and sediment delivery, sediments from Nicolay Lake, Cornwall Island, Nunavut (77°46'N, 94°40'W) are interpreted as varves. In thin section, the laminae are conformable, normally graded units of silt and clay. Depending on the location in the lake, the varves frequently contain one or more subannual rhythmites and inclusions of coarse sand and silt grains. Given the unstratified nature of the lake, the rhythmites are interpreted as products of sediment inflow events derived from rainfall, snowmelt, or mass wasting processes. In the most proximal site, these rhythmites may reflect insolation-driven diurnal variations in sediment transport. Isolated coarse grains in the varves are interpreted as eolian sediments washed off the lake ice cover. The lake is currently isothermal, and persistent ice cover and cold inflow prevent the formation of thermal stratification. The high accumulation rate is a critical factor in varve formation and it is probable that increased sediment yield during the past 500 years has led to the formation of varves, compared to the underlying massive mud that accumulated when deposition was focused inland of the lake during higher relative sea level. Evidence in the catchment indicates that high-elevation deglacial deposits have acted as an important fine-grained sediment source throughout the Holocene. These sediments moved progressively downstream through a series of basins by successive degradation and aggradation controlled by glacioisostatic emergence, hence, limiting the progression of this paraglacial sediment wave to areas upstream of the lake until the late Holocene. These results identify the importance of shifting catchment boundary conditions on sediment yield throughout the Holocene, and also indicate the difficulty of interpreting low-frequency yield variations as the direct consequence of changing climate in similar varve records.

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Canário, João, Laurier Poissant, Nelson O'Driscoll, Carlos Vale, Martin Pilote, and David Lean. "Sediment processes and mercury transport in a frozen freshwater fluvial lake (Lake St. Louis, QC, Canada)." Environmental Pollution 157, no. 4 (April 2009): 1294–300. http://dx.doi.org/10.1016/j.envpol.2008.11.042.

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47

Mikkelsen, A. B., B. Hasholt, N. T. Knudsen, and M. H. Nielsen. "Jökulhlaups and sediment transport in Watson River, Kangerlussuaq, West Greenland." Hydrology Research 44, no. 1 (August 28, 2012): 58–67. http://dx.doi.org/10.2166/nh.2012.165.

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For 3 years, during a 4-year observation period (2007–2010), jökulhlaups were observed from a lake at the northern margin of Russells Gletscher. At a gauging station located on a bedrock sill near the outlet of Watson River into Sdr Strømfjord, discharge and sediment transport was monitored during the jökulhlaups. The stage rose up to 5.3 m and a maximum discharge of 1,430 m3 s−1 was recorded. The jökulhlaups were very different, indicating varying influences of weather and englacial drainage conditions. Although the jökulhlaups caused high discharge and sediment transport rates, their share of the annual discharge and sediment transport were less than 2%.

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Liu, Yan, and Jiasong Fang. "Coastal Lakes as a Buffer Zone for the Accumulation and Redistribution of Plastic Particles from Continental to Marine Environment: A Case Study of the Dishui Lake in Shanghai, China." Applied Sciences 10, no. 6 (March 13, 2020): 1974. http://dx.doi.org/10.3390/app10061974.

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Microplastics, as an emerging environmental contaminant, have attracted increasing attention worldwide. Previous studies have addressed this environmental problem in either the marine or continental environment, but ignored the water bodies in between. Coastal lakes are transitional aquatic systems and may play an important role in transport, reworking and redistribution of plastics across catchment scale. Here, we report results of our investigation of plastic pollution in sediment of a coastal lake, the Dishui Lake, in Shanghai, China. The lake is located in coastal Shanghai and connected to the East China Sea via a 7-km long canal. Sediment samples were collected from around the lake and the canal. Plastic particles were detected in the sediment with various shapes, colors and compositions. The total particle count in the canal sediment was orders of magnitude higher than in the lake sediment. Polypropylene was the dominant polymer in the sediment. Our results suggest that coastal lakes can serve as a reworking zone for accumulation and reworkings of plastic particles, and a buffer zone contributing to plastic pollution in the marine environment. This study addresses the most understudied area of plastic pollution, i.e., reworking and redistribution of plastic debris at catchment scale across the marine and continental environment.

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Robbins, John A., Alena Mudroch, and Barry G. Oliver. "Transport and Storage of 137Cs and 210Pb in Sediments of Lake St. Clair." Canadian Journal of Fisheries and Aquatic Sciences 47, no. 3 (March 1, 1990): 572–87. http://dx.doi.org/10.1139/f90-066.

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In 1985 cores were collected by diver from areas with fine-grained sediments in Lake St. Clair. Although the lake is shallow, rapidly flushed, and possesses only a thin layer of postglacial sediment (ca. 30 cm max.), 8% of the estimated, 137Cs loading from atmospheric nuclear testing in the mid-1960s and 13% of the potential standing crop of excess 210Pb were retained. A sediment column transport model including eddy diffusive mixing, advection and resuspension, acceptably described the vertical distribution of these radionuclides as well as stable lead and implied that such efficient retention may be of recent origin, occurring with the onset of net sedimentation about 100 yr ago. The model showed that, at selected sites, the history of lake loading by particle-associated contaminants can be reconstructed from sediment profiles. Horizontally averaged characteristics of the deposit indicate a surface mixed layer mass of 5 g∙cm−2 and tracer residence time of 3 yr in accord with residence times of surficial Hg, PCBs, and DDT. Trap-collected materials from two sites show markedly contrasting seasonal variations in,137Cs activity reflecting differing proportions of particles derived from inflow (ca 300 mBq∙g−1) and resuspension (< 30 mBq∙g−1).

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He, Anpeng, Xianqiang He, Yan Bai, Qiankun Zhu, Fang Gong, Haiqing Huang, and Delu Pan. "Simulation of Sedimentation in Lake Taihu with Geostationary Satellite Ocean Color Data." Remote Sensing 11, no. 4 (February 13, 2019): 379. http://dx.doi.org/10.3390/rs11040379.

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In this study, the goal is to estimate the sedimentation on the bottom bed of Lake Taihu using numerical simulation combined with geostationary satellite ocean color data. A two-dimensional (2D) model that couples the dynamics of shallow water and sediment transport is presented. The shallow water equations are solved using a semi-implicit finite difference method with an Alternating Direction Implicit (ADI) method. Suspended sediment transport is simulated by solving the general convection-diffusion equation with resuspension and deposition terms using a second-order explicit central difference method in space and two-step Adams–Bashforth method in time. Moreover, the total suspended particulate matter (TSM) is retrieved by the world’s first geostationary satellite ocean color sensor Geostationary Ocean Color Imager (GOCI) using atmospheric correction algorithm for turbid waters using ultraviolet wavelengths (UV-AC) and regional empirical TSM algorithm. The 2D model and GOCI-retrieved TSM are applied to study the sediment transport and sedimentation in Lake Taihu. Validation results show rationale TSM concentration retrieved by GOCI, and the simulated TSM concentrations are consistent with GOCI observations. In addition, simulated sedimentation results reveal the dangerous locations that must be observed and desilted.

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Journal articles on the topic 'Sediment transport – Champlain, Lake'

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