My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
FLOOD01385
CWCB
>
Floodplain Documents
>
Backfile
>
1001-2000
>
FLOOD01385
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
11/23/2009 10:40:01 AM
Creation date
10/4/2006 9:58:59 PM
Metadata
Fields
Template:
Floodplain Documents
County
Statewide
Title
Guide for Selecting Roughness Coefficient n Values for Stream Channels
Date
12/1/1963
Prepared By
USDA Soil Conservation Service
Floodplain - Doc Type
Educational/Technical/Reference Information
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
46
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 />, <br /> <br />. <br /> <br />u <br /> <br />Figure 8,2 Sample notes on roughness conditions, <br /> <br /> Nofes on Rou,?hness 8'1: oJ. Doe <br />I. Channel: boftom width 20 to 0 0 Conditions. <br />40ft., side slopes I to I to Section 2, Creel< <br />3 to I; depth range (j to 12 ft. <br />a. Bottom: small potholes andbars; 0 0 <br />average 'rode fairllf uniform. 3, Ri'lht flood plain: at least 90 % <br />So_ small101s and roofs affect cultivated, mostl,! row crops and <br />low flows, 0 0 some .small "rain,' small fi.lds; <br />b. Banks: some s/ou'lhin9 and erosion, 8 or 10 transverse fences with <br />fairly rou9h. brushy or WHdlf knee raws, <br />c. Section: size fairly lInifor.mJ" con- <br />siderable shape chan1feS but'lradval <br />over 200 io 400 ff. <br />d. Ve'letation: verlfliWe bottom; <br />.sides mostly qras.1 and weeds with <br />occasional pafches den$8 bru.sh 0 0 <br />3 to 5 ff. hi'lh. <br />2. Left flood plain: less than 10 % 0 0 <br />cu/f;vaf~d in small fields; few fences/ <br />50 to 60 % brush,! with small tr....s; <br />remainder scaifere" open areas 0 0 <br />wllh bunch 9rasses and weeds. <br /> . <br /> <br />
The URL can be used to link to this page
Your browser does not support the video tag.