HR: 1340h
AN: H23E-1464    [Abstracts]
TI: A Cyclic Sediment Transport Approach to Create a Synthetic Aquifer with Multiscale Heterogeneity
AU: * Craig, A
EM: ajcraig@engineering.uiowa.edu
AF: IIHR-Hydroscience & Engineering, The University of Iowa C. Maxwell Stanley Hydraulics Laboratory , Iowa City, IA 52242 United States
AU: Illman, W A
EM: walter-illman@uiowa.edu
AF: IIHR-Hydroscience & Engineering, The University of Iowa C. Maxwell Stanley Hydraulics Laboratory , Iowa City, IA 52242 United States
AU: Illman, W A
EM: walter-illman@uiowa.edu
AF: Department of Geoscience, 121 Trowbridge Hall The University of Iowa, Iowa City, IA 52242 United States
AU: Illman, W A
EM: walter-illman@uiowa.edu
AF: Department of Civil & Environmental Engineering, 4105 Seamans Center for the Engineering Arts and Sciences The University of Iowa, Iowa City, IA 52242 United States
AU: Liu, X
EM: xiaoyi-liu@uiowa.edu
AF: Department of Geoscience, 121 Trowbridge Hall The University of Iowa, Iowa City, IA 52242 United States
AB: A new approach has been developed to create a realistic looking fluvial deposit through the cyclic flux of sediment-laden water. Empirical sediment transport equations were first studied to determine whether they could be used to design a sediment transport schedule. It was found that the scour, transport, and deposition of sediments were difficult to predict with traditional empirical relationships due to the uniqueness of the flume used in the study. The flumes used in studies where empirical relationships have been developed were much longer than the flume used in this experimental study. Instead, unique empirical relationships based on the flow conditions observed for suspension (flume entrance) and scour (erosion) of many classes of sands were obtained under plain bed conditions. It has been found that this new approach works well in a quasi-two-dimensional flume and that the hypothesized sediment distribution of the interfingering type with inter- and intra-layer heterogeneity (i.e., multiscale heterogeneity) can be created through this approach.
DE: 1800 HYDROLOGY
DE: 1825 Geomorphology: fluvial (1625)
DE: 1862 Sediment transport (4558)
DE: 1895 Instruments and techniques: monitoring
DE: 3265 Stochastic processes (3235, 4468, 4475, 7857)
SC: Hydrology [H]
MN: Fall Meeting 2005