Project Report Static Analyzer Lin Yin, Jin Yi, Yu Miao, Zhao Muzhi
Presenter: (()Louie) L. Yu Lin...Presenter: (()Louie) L. Yu Lin Title: Hydraulics Engineer Memphis...
Transcript of Presenter: (()Louie) L. Yu Lin...Presenter: (()Louie) L. Yu Lin Title: Hydraulics Engineer Memphis...
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Presenter: (Louie) L. Yu Lin( )Title: Hydraulics Engineer
Memphis District
Date: August 23, 2010
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ObjectivesObjectives
Develop Unsteady State Model UsingDevelop Unsteady State Model Using Hec-RAS Model
Support the White River Comprehensive St dStudy
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ProceduresProcedures
Develop GIS Based InformationDevelop GIS Based Information Conduct Field Study
P f H S Perform Hyro-Survey Collect Gage Stage/Flow Data Develop Cross Sections Build Hec-RAS ModelBuild Hec RAS Model Calibrate Model
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Unsteady State ModelHec-RAS
Conservation of MassConservation of Mass
C ti f M t Conservation of Momentum
Conservation of Energy
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GIS InformationGIS Information
2006 Aerial Photos2006 Aerial Photos U.S.G.S Quad Maps
Whit Ri C t Li White River Center Line White River Overbank White River Flowlines (1 – 2 year
flowlines))
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Field Study (2008-2009)
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Hydro-Survey(2008-2009)
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Add XYZ with Aerial PhotoAdd XYZ with Aerial Photo
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Digital Elevation Model White River
Convert Hydrologic Datum (Low WaterConvert Hydrologic Datum (Low Water Reference Plane) to Geodetic Datum (NGVD)(NGVD) Combine All Points in Accordance with
Daily Gage ReadingDaily Gage Reading Create White River DEM
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Create Master DEMCreate Master DEM
Collect U S G S DEMCollect U.S.G.S DEM
C il Whit Ri DEM Compile White River DEM
Mosaic both DEMs Using ArcInfo
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Cross SectionsCross Sections
Develop Cross Sections Including RiverDevelop Cross Sections Including River Valley and Overland
Present Water Flow through Channel and O l dOverland
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Geo-RAS ModelGeo RAS Model
Develop One-Dimensional HydraulicsDevelop One Dimensional Hydraulics Model for the White River
Create XYZ in ArcInfor
Export to RAS Modelp
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Cross Section ProfileCross Section Profile
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Other FeaturesOther Features
Levee SystemsLevee Systems
B id Bridges
Top Banks
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Frequency and Duration Analyses
Gage Data – Mississippi River JunctionGage Data Mississippi River Junction, Clarendon, DeVall Bluff, DesArc, Georgetown Augusta and NewportGeorgetown, Augusta, and Newport (1965-2009)
Supermodel – Little Rock District (1940-2009)2009)
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(Continued)(Continued)
1 2 5 10 25 50 and 100 Year1, 2, 5, 10, 25, 50 and 100 Year Frequency
Stage Analysis
Statistical Software Package (Hec-SSP)g ( )
Data Storage System or HEC DSSVueBUILDING STRONG®
Data Storage System, or HEC-DSSVue27
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Gage DataGage Data
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SupermodelSupermodel
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Frequency AnalysisHec-SSP
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Stage CalibrationStage Calibration230
200
210
220 1 Yr Gage
1 Yr Model
2 Yr Gage
2 Yr Model
180
190
200
Stag
e (ft
) 5 Yr Gage
5 Yr Model
10 Yr Gage
10 Yr Model
25 Y G
160
170
25 Yr Gage
25 Yr Model
50 Yr Gage
50 Yr Model
100 Yr Gage150
0 50 100 150 200 250 300
River Mile
100 Yr Model
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Comments and Question?Comments and Question?
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