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Last modified
1/26/2010 10:10:58 AM
Creation date
10/5/2006 4:43:20 AM
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Floodplain Documents
County
Statewide
Basin
Statewide
Title
Stream Hydraulics Graphics Package Addendum
Date
11/1/1979
Prepared For
US
Prepared By
US Army Corps of Engineers
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br /> Variable <br /> Name <br /> OLOSS <br /> QLOB <br /> QCH <br /> QROB <br /> XNL (K*XNL) <br /> XNCH (K*XNCH) <br />- <br />"" <br /> XNR (K*XNR) <br /> WTN (K*WTN) <br /> <br />CASE <br /> <br />HEC2 <br /> <br />TAPE95 VARIABLES <br /> <br />Description <br /> <br />Energy loss due to expansion or <br />contraction. <br /> <br />Amount of flow in the left overbank. <br />Amount of flow in the channel. <br />Amount of flow in the right overbank. <br /> <br />Manni ng' s 'n' for the 1 eft overbank . <br />area (times 1,000). <br /> <br />Manning's 'n' for the channel area <br />(times 1,000). <br /> <br />Manning's 'n' for the right overbank <br />area (times 1,000). <br /> <br />Weighted value of Manning's 'n' for <br />the channel based on the distance <br />between cross sections and channel <br />flow from the first cross section. <br />Used when computing Manning's 'n' <br />from high water marks (times 1,000). <br /> <br />A variable indicating how the water <br />surface elevation was computed. <br />Values of -1, -2, -3, and 0 indicate <br />assumptions of critical depth, <br />minimum difference a fixed change <br />(X5 card) or a balance between the <br />computed and assumed water surface <br />elevations. <br /> <br /> GEDA <br />Code Variable <br />Number Name Description <br />12 SUMP Total wetted perimeter <br />13 RTS Hydraulic radius to the 2/3 power. <br />14 QVAR Profile number. <br />15 QVAR Cross section counter. <br />16 SUBK(l)* .01 Sub-conveyance value. <br />17 SUBK(2)* .01 Sub-conveyance value. <br />18 SUBK(3)* .01 Sub-conveyance value. <br />19 ANV Average 'n' value. <br /> <br />20 <br /> <br />SUBK(4)*.Ol Sub-conveyance value. <br /> <br />., <br />
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