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Last modified
1/25/2010 6:45:49 PM
Creation date
10/5/2006 12:30:53 AM
Metadata
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Template:
Floodplain Documents
County
Moffat
Basin
Yampa/White
Title
Interdisiplinary Paleoflood Investigation of the Elkhead River Basin and Vicinity near Craig
Date
11/4/1996
Prepared For
CWCB
Prepared By
USGS
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />. <br />9. Summary relation between high-water marks and paleostage indicators for streams in Colorado. <br /> <br />10, Relation between maximum unit discharge and: a.) elevation with envelope curve; and b.) drainage <br />area with envelope curve for northwestem Colorado. <br /> <br />11.Relation between maximum unit discharge and elevation with envelope curve for streams west of the <br />Continental Divide in Colorado. <br /> <br />12. Relation between maximum unit discharge and elevation with envelope curve for streams east of the <br />Continental Divide in Colorado. <br /> <br />13. Channel cross section for discharge reconstruction of 1984 and 1995 paleofloods in Fortification Creek <br />near upstream city limit (table 1; sites 54-57), <br /> <br />14. Upstream view of Virginia Canyon at Idaho Springs following flood of August 1991 ; note extensive <br />sediment deposits and changes to channel morphology following about a 2 inch rainfall in about 1 hour in a <br />basin that has limited mine tailings <br /> <br />. 15. Upstream view of Hahn's Peak north tributary (table 1; site 130). <br /> <br />16. Graph of daily hydrographs for June 1921 with annual instantaneous peak flow for. a.) normalized <br />(divided by monthly average value) for the Yampa River at Steamboat Springs, including normalized <br />maximum daily temperature normalized-daily rainfall at Steamboat Springs ( normalized values allow for a <br />relative comparison of streamflow, temperature and precipitation for June 1921); b,) Yampa River at <br />Steamboat Springs and Walton Creek near Steamboat Springs; c.) Elk river at Clark and Elk River near <br />Milner; d.). Yampa River near Maybell and White River near Meeker; <br /> <br />16 e.) relation of the difference of the annual peak flow minus average daily flow (Qp-ADF) versus <br />average daily flow for the Yampa River at Steamboat Springs (values for Qp-ADF greater than 1,000 fl3/S <br />are labeled by year of occurrence). <br /> <br />17. Magnitude-frequency relations with 95-percent confidence limits and maximum paleoflood estimates <br />for. a.) Yampa River at Steamboat River gage; b.) Walton Creek near Steamboat Springs with FEMA <br />relation; c.) Elk River at Clark and Elk River near Milner gages; d,) Elkhead Creek near Clark and at Elkhead <br />Reservoir with Ayres Associates relation; e.) Yampa River near Maybell; f.) composite for the four gages <br />on the Yampa River; and g.) White River near Meeker. Where available PMF values also are shown. <br /> <br />. 18. Relation of maximum paleoflood and probable maximum flood for basins in the Rocky Mountain region, <br /> <br />7 <br />
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