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FLOOD00787
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Last modified
11/23/2009 1:21:29 PM
Creation date
10/4/2006 9:28:25 PM
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Template:
Floodplain Documents
County
Denver
Community
All
Stream Name
All
Title
Floodplain Management Tools for Alluvial Fans
Date
11/1/1981
Prepared For
State of Colorado
Prepared By
FEMA
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />specified in future regulations; and <br /> <br />~ <br /> <br />5. the development of damage information for <br /> <br /> <br />st~uctures on fans which will assist the flcod <br /> <br /> <br />Insurance Administration in determining <br /> <br /> <br />insurance risks where management tools are <br /> <br /> <br />used. <br /> <br />It became clear early in the study that additional, <br />subordinate goals should be set to ensure that the selection <br />of management tools is based on sound knowledge of flood <br />processes on fans. These goals are: <br /> <br />,. the completion of a survey of developed or <br />developing alluvial fans to identify all key <br />fan and watershed characteristics; <br /> <br />2. ~he investigation of hydraulic and <br />sedimentation processes on fans using both a <br />literature search and physical model tests of <br />idealized alluvial fan conditions; and <br /> <br />3. the development of a tentative and qualitative <br />methodology for identifying the location and <br />severity of flood conditions and flood hazards <br />which must be managed. <br /> <br />The scope of this study was restricted to analyses which <br />were directly related to evaluation and application of <br />management tools. Investigation of flood processes on fans <br />was limited to developing data necessary to the selection <br />and design of measures. Evaluation of the existing FIA <br />alluvial fan methodology and alternative hazard <br />quantification procedures have not been pursued. The <br />development of design principles and standards for <br />management tools was also beyond the study scope. future <br /> <br />9 <br /> <br />
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