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SEDZLJ has been developed by Sandia National Laboratories, and the SEDZLJ EFDC User Manual is downloadable from the EE website. In his paper on this sub-model, the primary developer, Scott C. James, provides a detailed description of how recently-developed sediment dynamics formulations are incorporated into the United States Environmental Protection Agency’s EFDC. The new approach is an extension of previous models and accounts for multiple sediment size classes, has a unified treatment of suspended load and bedload, and appropriately replicates bed armouring. The resulting flow, transport, and sediment dynamics model is an improvement to previous models because it may directly incorporate site-specific data, while maintaining a physically consistent, unified treatment of bedload and suspended load.
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Figure 1 Active Modules Tab
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