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Use Old River Control Complex for Flood Control
MRC PRESENTATION APRIL 7, 2017
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Use Old River Control Complex for Flood Control MRC PRESENTATION - - PowerPoint PPT Presentation
Use Old River Control Complex for Flood Control MRC PRESENTATION - - PowerPoint PPT Presentation
Use Old River Control Complex for Flood Control MRC PRESENTATION APRIL 7, 2017 1 ORCC: Capacity & Crest at Baton 2 Rouge Corps Model of 2016 MS 2016 MS River Flood River Flood 75% Capacity for a week / cut 100% Capacity for 3 weeks
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ORCC: Capacity & Crest at Baton Rouge
2016 MS River Flood
- 75% Capacity for a week / cut
while still above flood stage
- 43 ft. Crest
Corps Model of 2016 MS River Flood
- 100% Capacity for 3 weeks
- 34.7 ft. Crest (8.3 ft. lower )
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Conclusion: ORCC can reduce the height and duration of floods.
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20 40 60 80 100 120 140 160 Number of Days (#)
Days Above Batture 30’ Flood Stage Days Above 35’ Flood Stage
More frequent and longer floods above flood stage
Baton Rouge Gage 1950-2016 # of days above 30’ and 35’ per year 3
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0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0 River Stage (ft)
Baton Rouge River Gage Stage Trends1950 -2016
max stage flood stage 35’
Flood Days Days/ Year Flood Years 1950-72 75 3.3 2/23 9% 1973-2016 1061 24.1 29/44 66% 2007-16 253 25.3 7/10 70%
ave stage batture flood stage 30’
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Atchafalaya Outlet
Ø Shorter Ø Steeper Ø Faster Ø Flood Easements
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Use ORCC To Prevent & Relieve Floods
u FCA 1954 – outdated / time to change u Increase the Mississippi’s discharge u Stop the rising river u Relieve major floods u Reduce batture flooding u Safer, better and fairer
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THE END
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