|Missouri Water Science Center|
U.S. Geological Survey Scientific Investigations Report 2006-5089
Geographic information system (GIS) software ARC/INFO was used to create velocity magnitude and direction profiles from results of the two-dimensional hydraulic model of the study reach between 63rd Street and Blue Parkway. Twelve flood-stage elevations (2-ft increments for 750 to 772 ft above NGVD29) are depicted for the downstream vicinity of 63rd Street in Appendix 1, the middle of the study reach in Appendix 2, and the upstream vicinity of the lower Blue Parkway Bridge in Appendix 3.
63rd Street Map-750 ft
63rd Street Map-752 ft
63rd Street Map-754 ft
63rd Street Map-756 ft
63rd Street Map-758 ft
63rd Street Map-760 ft
63rd Street Map-762 ft
63rd Street Map-764 ft
63rd Street Map-766 ft
63rd Street Map-768 ft
63rd Street Map-770 ft
63rd Street Map-772 ft
Blue Parkway Map-750 ft
Blue Parkway Map-752 ft
Blue Parkway Map-754 ft
Blue Parkway Map-756 ft
Blue Parkway Map-758 ft
Blue Parkway Map-760 ft
Blue Parkway Map-762 ft
Blue Parkway Map-764 ft
Blue Parkway Map-766 ft
Blue Parkway Map-768 ft
Blue Parkway Map-770 ft
Blue Parkway Map-772 ft
The Kansas City Missouri ALERT Gage at Blue Parkway was chosen as the reference gage for the Blue River flood inundation mapping to provide a consistent naming convention between flood maps and two-dimensional model results. A Blue River NWS flood stage elevation of 750 ft (NGVD 29) at Blue Parkway was used as the base elevation for generation of all flood inundation maps. Twelve maps were produced at 2-ft intervals from stage elevations from 750 to 772 ft at Blue Parkway to approximate the range of river stages from the 2- to 500-year flood frequencies. Stage elevations and gage heights for floods at forecast locations within the study area for flooding on the Blue River are listed in following table.
Equivalent flood stage elevations and gage heights for forecast locations for flood inundation on the Blue River.
[ft, feet; datum NGVD29; bold stage elevation indicates gage height is above flood stage]
|12th Street||U.S. Highway 40||Stadium Drive||Blue Parkway||63rd Street|
Two-dimensional model results, boundaries of the study area and study reach, cross sections of equal flood-stage elevation at gages, and changes in flood profile slopes were input into the geographic information system (GIS) software program ARC/INFO. ARC/INFO software was used to interpolate flood-stage elevations for each flood profile to produce sloped flood inundation surfaces. Twelve Blue River flood inundation maps are shown in Appendix 4.
The USGS gage on the Missouri River at Kansas City, Missouri, was chosen as the reference gage for maps of Blue River inundation caused by backwater from floods on the Missouri River. Backwater inundation maps of the Blue River were developed using techniques similar to those used to create the Blue River flood inundation maps. At the mouth of the Blue River, a Missouri River stage elevation of 730.9 ft was used as the lowest elevation for generation of backwater inundation maps. This stage elevation corresponds to an elevation of 738.4 ft and a NWS flood stage of 32 ft at the USGS gage on the Missouri River at Kansas City. Twelve maps were produced at 2-ft intervals from 730.9 to 752.9 ft (Missouri River stage at the USGS gage from 32 to 59.3 ft) to include the historic range of Missouri River stage elevations above flood stage elevation for the Kansas City area. Equivalent stage elevations and gage heights for forecast locations within the study area for Missouri River backwater inundation of the Blue River are listed in the following table.
Equivalent stage elevations and gage heights for forecast locations for Missouri River backwater inundation of the Blue River.
[ft, feet; datum NGVD29; bold stage elevation indicates gage height is above flood stage; na, not applicable]
|Missouri River||Blue River||12th Street||U.S. Highway 40||Stadium Drive||Blue Parkway||63rd Street|
|at Kansas City||At the mouth|
The elevation of the backwater inundation surface as calculated is constant and equal to the stage elevation at the mouth of the Blue River. Backwater-inundation-stage elevations were created in ARC/INFO by assigning the stage elevation at the mouth of the Blue River to all cells in each raster data set. Twelve Blue River backwater inundation maps are shown in appendix 5.
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Last modified: Thursday, December 01 2016, 07:09:29 PM