NDLI: Upper Mississippi River-Illinois Waterway System Models Report : physical effects models

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Upper Mississippi River-Illinois Waterway System Models Report : physical effects models

Content Provider	Semantic Scholar
Author	Maynord, Stephen T. Knight, Sandra K. Bourne, S. Graham Graves, Mark R. Landwehr, Kevin J.
Copyright Year	2004
Abstract	The Upper Mississippi River – Illinois Waterway (UMR_IWW).system model is comprised of the NAVEFF and NAVSED models and determines the physical forces for the entire UMR-IWW reach as well as the fleet of tows using the waterway. This report documents the geographical information system components of the system models, input and output files formats, and assumptions used in the application of the models to the UMRIWW. The NAVEFF portion of the system model determines the maximum velocity change, tow drawdown of water level, wave height, bed scour, and bed shear stress. Many of these physical parameters provided input to various ecological models used in the System Feasibility study. NAVEFF output is also input to the NAVSED model that provides the time-history of sediment concentration as a result of tow passage. The NAVSED output also serves as input to various ecological models as well as sedimentation of secondary channels and backwaters. DISCLAIMER: The contents of this report are not to be used for advertising, publication, or promotional purposes. Citation of trade names does not constitute an official endorsement or approval of the use of such commercial products. All product names and trademarks cited are the property of their respective owners. The findings of this report are not to be construed as an official Department of the Army position unless so designated by other authorized documents. DESTROY THIS REPORT WHEN IT IS NO LONGER NEEDED. DO NOT RETURN TO THE ORIGINATOR.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://erdc-library.erdc.dren.mil/xmlui/bitstream/handle/11681/5122/ENV-Report-42.pdf?isAllowed=y&sequence=1
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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