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Last modified
1/26/2010 2:15:53 PM
Creation date
10/12/2006 12:41:25 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8271.300
Description
Colorado River Basin Salinity Control Program - General Information and Publications-Reports
Basin
Colorado Mainstem
Water Division
5
Date
4/1/1982
Author
R Johnson S Schumm
Title
Geomorphic and Lithologic Controls of Diffuse-Source Salinity -- Grand Valley - Western Colorado
Water Supply Pro - Doc Type
Report/Study
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<br />39 <br /> <br />Table 5.4. <br /> <br />Analysis of variance of soil depth according to lithology: <br />A = basins underlain by shale; B = basins underlain by <br />interbedded shale and sandstone. <br /> <br />I--" <br />W <br />(CJ <br />o <br /> <br />A. HO: <br /> <br />Mean soil depth is the same for the three basins <br />underlain by shale bedrock. <br /> <br />. <br /> <br />Basin <br /> <br />n <br /> <br />F-ratio <br />(calculated) <br /> <br />F-ratio <br />(a=.05) <br /> <br />Accept or <br />reject HO <br /> <br />. <br /> <br />A,N,Q <br /> <br />32 <br /> <br />1. 720 <br /> <br />F(2,29)=3.39 <br /> <br />accept <br /> <br />B. <br /> <br />HO: <br /> <br />Mean soil depth is the same for the three basins <br />underlain by interbedded shale and sandstone <br />bedrock. <br /> <br />Basin <br /> <br />n <br /> <br />F-ratio <br />(calculated) <br /> <br />F-ratio <br />(a=.05) <br /> <br />Accept or <br />reject HO <br /> <br />S,T,U <br /> <br />43 <br /> <br />0.923 <br /> <br />F(2,40)=3.23 <br /> <br />accept <br /> <br />Table 5.5. Two-tailed T-test of soil depth for the two sets of basins <br />according to lithology. <br /> <br />HO: <br /> <br />Mean soil depth is the same for basins underlain by shale <br />and basins underlain by interbedded shale and sandstone. <br /> <br /> Mean soil Mean soil <br /> depth for depth for <br /> shale shale - <br />n basins sandstone T-ratio T-ratio Accept or <br />pairs (cm) basins (calculated) (a=.05) reject HO <br /> (cm) <br />32 4.8 9.8 T (31)=7.462 2.039 reject <br /> <br />I , <br />
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