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Last modified
1/25/2010 6:49:28 PM
Creation date
10/5/2006 1:37:27 AM
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Template:
Floodplain Documents
County
Statewide
Basin
Statewide
Title
HEC-RAS River Analysis System
Date
2/1/1995
Prepared By
US Army Corps of Engineers
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />Chapter 4 Example Application <br /> <br /> <br />4-4 <br /> <br />Edit Yiew rabies .Qptions Help <br /> <br /> <br />Figure 4.3 Geometric Data Window with example river schematic <br /> <br />Entering Cross Section Data <br /> <br />The next step is to enter the cross section data. This is accomplished by <br />pressing the Cross Section button on the Geometric Data window (Figure <br />4.3). Once this button is pressed, the Cross Section Data editor will appear as <br />shown in Figure 4.4 (except yours should be blank). To enter cross section <br />data do the following: <br /> <br />1. Select a Reach to work with. For this example start with the Fall Cr. <br />reach. <br /> <br />2. Go to the Options menu and select Add a new Cross Section. An <br />input box will appear prompting you to enter a river station identifier <br />for the new cross section. The identifier does not have to be the actual <br />river station, but it must be a numeric value. The numeric value <br />describes where this cross section is located in reference to all the <br />other cross sections within the reach. Cross sections are located from <br />upstream (highest river station) to downstream (lowest river station). <br />For this cross section enter a value of 10.0. <br />
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