My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
FLOOD09607
CWCB
>
Floodplain Documents
>
Backfile
>
9001-10000
>
FLOOD09607
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
1/26/2010 10:09:51 AM
Creation date
10/5/2006 4:29:30 AM
Metadata
Fields
Template:
Floodplain Documents
County
Montezuma
Community
Dolores
Stream Name
Dolores River
Basin
San Juan/Dolores
Title
Flood Hazard Information Hydrology
Date
11/1/1976
Prepared For
State of Colorado
Prepared By
US Army Corps of Engineers
Floodplain - Doc Type
Floodplain Report/Masterplan
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
33
PDF
Print
Pages to print
Enter page numbers and/or page ranges separated by commas. For example, 1,3,5-12.
After downloading, print the document using a PDF reader (e.g. Adobe Reader).
Show annotations
View images
View plain text
<br /> TABLE 6 <br /> SUB-AREA PHYSI_CAJ. CHA10Cl:.r:l(.r:~:r:IC1 <br /> L Elev. <br />No. Sub-Area Description D.A. L ,;.a Diff. <br /> (Hi 2) (Ni) 1"'''1) (Fl:.) <br /> I_'A. <br />1 Dolores River above <br /> confluence with <br /> ,It,st Dolores R. 270 38.1 21.2 4400 <br />2 Hest Dolores River <br /> upstream of Mouth 167 32.5 16.9 3000 <br />3 Local Area between <br /> Houth of West <br /> Dolores R. & <br /> Dolores, CO 67 13.9 7.0 2000 <br /> <br />A model was developed to simulate the Dolt",:.",; River basin above the <br /> <br />tOlm of Dolores and Lost Canyon Creek using the ,:omputer program HEC-1, <br /> <br />"Flood Hydrograph Package," and the unit hydroLr,'lph and loss rate data <br /> <br />previously described. Routing data for the reach between the mouth of <br /> <br />West Dolores River and the tOlom, of Dolores was ,,,,,;t:imated. The muskl.nguID. <br /> <br />routing technique was used with HKl1 equalling ]~O and "XU equalling O..4n <br />-s;,: ;'t=~-.,.t (,:.-",'<' <br />The model was tested using the .Ei~-,;;, 1970, storm and flood <br /> <br />hydrograph at Dolores. The historical and cOffiiHr::ed flood hydrographs <br /> <br />compared favorably (Figure 5) and the model Via:;; assumed to be calibrated <br /> <br />for computing the SPF hydrographs fcr each of the three locations in the <br /> <br />Dolores River study area (Figure 1). <br /> <br />,3.Y}{:rH}~~~,_~IORH1 <br /> <br />A probable maximum precipitation (PHP) depth--duration curve wa:3 <br /> <br />d~velo?ed by Hydromet of National Weather Service for the Dolores Rlver <br /> <br />8 . <br />
The URL can be used to link to this page
Your browser does not support the video tag.