Tag Archive: hydraulic modeling

Jun 03 2013

A Few Good Reads (6/3/13): Flooding in Oklahoma Less Than 2 Weeks After Devastating Tornadoes

This week: Flooding in Oklahoma less than 2 weeks after devastating tornadoes, Iowa City dodges major flooding for now, more on the Washington State bridge collapse, China stepping up flood preparations after 55 people die in May flooding, the latest USACE cost analysis of the Morganza to Gulf Coast levee along Louisiana coast, and plugging …

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Apr 01 2013

A Few Good Reads (4/1/13): Fargo Prepares for Yet Another Potentially Major Flood Season

This week: Fargo prepares for another potentially heavy flooding season, questioning ASCE’s infrastructure grading, WRDA bill clears senate committee and how the bill shields the Corps, the importance of steamgages, and extending your HEC-RAS cross sections to high ground. ND officials: Permanent flood protection needed (AP) The latest weather service flood outlook for Fargo and …

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Aug 07 2012

Criteria for Selecting Hydraulic Models, Part 4


Continuing with our coverage of the new HDS 7 manual from FHWA. Part 1, Part 2, Part 3 Countermeasure Design The HEC-23 manual provides guidance on designing countermeasures for stream instability and scour. Many countermeasures, including spurs, guide banks, and transverse dikes, significantly alter flow paths and flow distributions. Two-dimensional models that are set up …

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Aug 02 2012

Criteria for Selecting Hydraulic Models, Part 3


Continuing with our coverage of the new HDS 7 manual from FHWA. Part 1, Part 2 Bends, Confluences and Angle of Attack Highly sinuous rivers are, by definition, not one-dimensional, especially during floods when water in the floodplain flows more directly down valley and moves in and out of the channel. One-dimensional models must consider …

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