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Articles 1 - 30 of 42
Full-Text Articles in Physical Sciences and Mathematics
Numerical Modeling Of The Effects Of Hydrologic Conditions And Sediment Transport On Geomorphic Patterns In Wetlands, Mehrnoosh Mahmoudi
Numerical Modeling Of The Effects Of Hydrologic Conditions And Sediment Transport On Geomorphic Patterns In Wetlands, Mehrnoosh Mahmoudi
FIU Electronic Theses and Dissertations
This dissertation focused on developing a numerical model of spatial and temporal changes in bed morphology of ridge and slough features in wetlands with respect to hydrology and sediment transport when a sudden change in hydrologic condition occurs. The specific objectives of this research were: (1) developing a two-dimensional hydrology model to simulate the spatial distribution of flow depth and velocity over time when a pulsed flow condition is applied, (2) developing a process-based numerical model of sediment transport coupled with flow depth and velocity in wetland ecosystems, and (3) use the developed model to explore how sediment transport may …
Cruise: Yr130619, Stations: S5153- S5168, York River Estuary And Pamunkey River, Virginia, Mudbed Longitudinal Profiler Station Survey Bracketing An Ebb Tide., Kelsey A. Fall, Grace M. Cartwright, Carl T. Friedrichs, David G. Bowers
Cruise: Yr130619, Stations: S5153- S5168, York River Estuary And Pamunkey River, Virginia, Mudbed Longitudinal Profiler Station Survey Bracketing An Ebb Tide., Kelsey A. Fall, Grace M. Cartwright, Carl T. Friedrichs, David G. Bowers
Data
Dataset consists of profile and water column burst Data collected as part of a longitudinal profiler station survey at approximately 20 km, 25 km, 35 km, 45 km, 56 km and 62 km upriver from the mouth of the York River Estuary.
Cruise: Yr130618, Stations: S5139- S5152, York River Estuary And Pamunkey River, Virginia, Mudbed Longitudinal Profiler Station Survey Bracketing An Ebb Tide., Kelsey A. Fall, Grace M. Cartwright, Carl T. Friedrichs, David G. Bowers
Cruise: Yr130618, Stations: S5139- S5152, York River Estuary And Pamunkey River, Virginia, Mudbed Longitudinal Profiler Station Survey Bracketing An Ebb Tide., Kelsey A. Fall, Grace M. Cartwright, Carl T. Friedrichs, David G. Bowers
Data
Dataset consists of profile and water column burst Data collected as part of a longitudinal profiler station survey at approximately 20 km, 25 km, 35 km, 45 km, 56 km and 62 km upriver from the mouth of the York River Estuary.
Cruise: Yr130612, Stations: S5127- S5138, York River Estuary And Pamunkey River, Virginia, Mudbed Longitudinal Profiler Station Survey Bracketing A Flood Tide., Kelsey A. Fall, Grace M. Cartwright, Carl T. Friedrichs, David G. Bowers
Cruise: Yr130612, Stations: S5127- S5138, York River Estuary And Pamunkey River, Virginia, Mudbed Longitudinal Profiler Station Survey Bracketing A Flood Tide., Kelsey A. Fall, Grace M. Cartwright, Carl T. Friedrichs, David G. Bowers
Data
Dataset consists of profile and water column burst Data collected as part of a longitudinal profiler station survey at approximately 20 km, 25 km, 35 km, 45 km, 56 km and 62 km upriver from the mouth of the York River Estuary.
Cruise: Yr080507, Stations: S4526- S4540, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr080507, Stations: S4526- S4540, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 3-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr080514, Stations: S4541- S4564, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr080514, Stations: S4541- S4564, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 3-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr080416, Stations: S4489- S4497, Gloucester Point, York River Virginia 5-Hour Mudbed Calibration Survey Bracketing An Ebb Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr080416, Stations: S4489- S4497, Gloucester Point, York River Virginia 5-Hour Mudbed Calibration Survey Bracketing An Ebb Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 5-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr080415, Stations: S4461- S4488, Clay Bank, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing An Ebb Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr080415, Stations: S4461- S4488, Clay Bank, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing An Ebb Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 6-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr080418, Stations: S4498- S4514, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Ebb Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr080418, Stations: S4498- S4514, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Ebb Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 3-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr080505, Stations: S4515- S4525, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr080505, Stations: S4515- S4525, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 3-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr080515, Stations: S4565- S4591, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr080515, Stations: S4565- S4591, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 3-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr080606, Stations: S4602- S4620, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr080606, Stations: S4602- S4620, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 3-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr080609, Stations: S4621- S4635, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr080609, Stations: S4621- S4635, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 3-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr080603, Stations: S4582- S4601, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr080603, Stations: S4582- S4601, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey From A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst data and bottom burst data collected as part of a 3-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr080731, Stations: S4677- S4700, Gloucester Point, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing A Ebb Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr080731, Stations: S4677- S4700, Gloucester Point, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing A Ebb Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 6-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr081016, Stations: S4701- S4729, Clay Bank, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing A Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr081016, Stations: S4701- S4729, Clay Bank, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing A Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 6-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr090514, Stations: S4802- S4819, Clay Bank, York River Virginia ~4-Hour Mudbed Calibration Survey From Max Ebb To Max Flood, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr090514, Stations: S4802- S4819, Clay Bank, York River Virginia ~4-Hour Mudbed Calibration Survey From Max Ebb To Max Flood, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a ~4-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location
Cruise: Yr080610, Stations: S4636- S4650, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey Bracketing A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr080610, Stations: S4636- S4650, Clay Bank, York River Virginia 3-Hour Mudbed Calibration Survey Bracketing A Slack To Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 3-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr080729, Stations: S4651- S4776, Clay Bank, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing A Ebb Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr080729, Stations: S4651- S4776, Clay Bank, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing A Ebb Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 6-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr090108, Stations: S4730- S4757, Gloucester Point, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing A Ebb Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr090108, Stations: S4730- S4757, Gloucester Point, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing A Ebb Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 6-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr090226, Stations: S4758- S4781, Clay Bank, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing A Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr090226, Stations: S4758- S4781, Clay Bank, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing A Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 6-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Numerical Modeling Of The Fecal Bacteria Transport Processes In Sediment-Laden Flow, Guoxian Huang, Roger Falconer, Binliang Lin
Numerical Modeling Of The Fecal Bacteria Transport Processes In Sediment-Laden Flow, Guoxian Huang, Roger Falconer, Binliang Lin
International Conference on Hydroinformatics
Many experiments, field measurements and few numerical tests shows the transport and fate of Faecal Bacteria have a tight relationship of the sediment transport including the absorbing, releasing and changing the radiation of sunshine especially in the fine cohesive particles and etc. The nonuniform distribution of 2-D and 3-D structures of hydrodynamic, salinity and suspended sediment (SS) in the riverine and estuary may make the solution of Faecal Bacteria to become more complex. With related measured data, the different coupling models based on modified EFDC 2D model are built to solve the dynamic processes of Faecal Bacteria and decouple the …
"Smart Pebble" Design For Environmental Monitoring Applications, Manousos Valyrakis, Edgars Pavlovskis
"Smart Pebble" Design For Environmental Monitoring Applications, Manousos Valyrakis, Edgars Pavlovskis
International Conference on Hydroinformatics
Sediment transport, due to primarily the action of water, wind and ice, is one of the most significant geomorphic processes responsible for shaping Earth’s surface. It involves entrainment of sediment grains in rivers and estuaries due to the violently fluctuating hydrodynamic forces near the bed. Here an instrumented particle, namely a “smart pebble", is developed to investigate the exact flow conditions under which individual grains may be entrained from the surface of a gravel bed. This could lead in developing a better understanding of the processes involved, while focusing on the response of the particle during a variety of flow …
Improving Sediment Transport Modelling By A Combination Of Field Data And Sensitivity Analysis, Tom Vanwalleghem, Juan Pablo Garcia, Juan Vicente Giráldez
Improving Sediment Transport Modelling By A Combination Of Field Data And Sensitivity Analysis, Tom Vanwalleghem, Juan Pablo Garcia, Juan Vicente Giráldez
International Conference on Hydroinformatics
Traditionally, the relationship between flow rate and sediment concentration in rivers has been estimated empirically. However, the problem of empirical data collection is that it is often difficult to cover the entire range of flow rates. Especially higher flow rates are often undersampled, which might lead to an underestimation of modelled sediment transport as flood events are often associated with important erosion events. In order to overcome this limitation, the introduction of the transport capacity concept can establish a safe upper bound of this sediment transport relationship. Nevertheless, given the number of implied variables in this equation, there is a …
The Benthic Geoecology Model Within The Modular System For Shelves And Coasts (Mossco), Mohammad Hassan Nasermoaddeli, Carsten Lemmen, Richard Hofmeister, Frank Koesters, Knut Klingbeil
The Benthic Geoecology Model Within The Modular System For Shelves And Coasts (Mossco), Mohammad Hassan Nasermoaddeli, Carsten Lemmen, Richard Hofmeister, Frank Koesters, Knut Klingbeil
International Conference on Hydroinformatics
The Modular System for Shelves and Coasts (MOSSCO) integrates physical, biological, chemical and geological models of shelves and coasts for the North Sea and Baltic Sea in an exchangeable way. The MOSSCO software forms a coupling framework for exchanging data and models, which distinguishes between physical domains (Earth System compartments such as the benthic and pelagic zone) and processes (such as benthic geochemistry, physical erosion and biological stabilization). Information exchange across physical domains with different grids and time steps are managed using the ESMF (Earth System Modelling Framework), whereas coupling of processes within individual modules is achieved using FABM (Framework …
Numerical Simulation Of Sediment Transport And Bedmorphology Around A Hydraulic Structure On A River, Van Thinh Nguyen, Carlos Serrano Moreno
Numerical Simulation Of Sediment Transport And Bedmorphology Around A Hydraulic Structure On A River, Van Thinh Nguyen, Carlos Serrano Moreno
International Conference on Hydroinformatics
Scour around hydraulic structures is a critical problem in hydraulic engineering. Under prediction of scour depth may lead to costly failures of the structure, while over prediction might result in unnecessary costs. Unfortunately, up-to-date empirical scour prediction formulas are based on laboratory experiments that are not always able to reproduce field conditions due to complicated geometry of rivers and temporal and spatial scales of a physical model. However, computational fluid dynamics (CFD) tools can perform using real field dimensions and operating conditions to predict sediment scour around hydraulic structures. In Korea, after completing the Four Major Rivers Restoration Project, several …
2-D And 3-D Numerical Modeling Of Dam Break Waves Over Moveable Beds, Kamal El Kadi Abderrezzak, Riadh Ata, Pablo Tassi, Dongchen Wang, Jean-Michel Hervouet, Andres Die Moran
2-D And 3-D Numerical Modeling Of Dam Break Waves Over Moveable Beds, Kamal El Kadi Abderrezzak, Riadh Ata, Pablo Tassi, Dongchen Wang, Jean-Michel Hervouet, Andres Die Moran
International Conference on Hydroinformatics
Dam-break waves over movable beds are multi-physical processes that involve rapidly varying flows, intense sediment transport and significant alteration in bed morphology. In turn, this change in morphology may strongly affect the maximum water levels and arrival time of the wave front, which are the main characteristics to consider for use in risk assessment. In this paper, we report numerical simulations of dam-break waves induced sediment transport using the open source Telemac-Mascaret modeling system (www.opentelemac.org). The 3D hydrodynamic model, TELEMAC-3D, and the 2D depth-averaged hydrodynamic model, TELEMAC-2D, are used. Both models are internally coupled with the sediment transport module SISYPHE. …
Numerical Modeling Of Flow And Sediment Transport Within The Lower Reaches Of The Athabasca River: A Case Study, Shalini Kashyap, Ahmad Shakibaei, Ali Oveisy, Yonas Dibike, Terry Prowse, Droppo Ian
Numerical Modeling Of Flow And Sediment Transport Within The Lower Reaches Of The Athabasca River: A Case Study, Shalini Kashyap, Ahmad Shakibaei, Ali Oveisy, Yonas Dibike, Terry Prowse, Droppo Ian
International Conference on Hydroinformatics
This study investigates flow and sediment transport patterns within the lower reaches of the Athabasca River (~250 km) in Alberta, Canada, which are characterized by complex bathymetry, regions of high tortuosity, and variable discharges and bed slopes. Sediment within this reach is primarily sand and gravel, but there is also a high percentage (>10%) of cohesive clay with unique settling properties. A combination of 1D and 2D regional numerical modeling is used here to predict hydrodynamics of the flow and transport of suspended sediment. Bathymetry measurements were obtained from a combination of high resolution 3D Geoswath and ADCP surveys, …
Cruise: Yr111220, Stations: S4989- S5004, Clay Bank, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing An Ebb Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr111220, Stations: S4989- S5004, Clay Bank, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing An Ebb Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 6-hour anchor station survey in support of an Acoustic Doppler Velocimeter (ADV) tripod deployed in nearby location.
Cruise: Yr121006, Stations: S5038-S5077, Clay Bank, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing A Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Cruise: Yr121006, Stations: S5038-S5077, Clay Bank, York River Virginia 6-Hour Mudbed Calibration Survey Bracketing A Flood Tide, Grace M. Cartwright, Carl T. Friedrichs
Data
Dataset consists of profile and water column burst Data and bottom burst Data collected as part of a 6-hour anchor station survey in support of an Acoustic Doppler Velicometer (ADV) tripod deployed in nearby location.||During each station in the survey a profile or bottom time series was collected with a suite of instrumentation including: a RDI 1200 KHz ADCP, a YSI 6600 CTD, a Sequia LISST 100X, a Sontek ADVOcean and a PICS floc camera. The raw Data of profile stations is processed to provide a smooth profile of Data throughout the water column and a series of between 2 …