WSP00029

• File Number: 8271.300
• Description: Colorado River Basin Salinity Control Program - General Information and Publications-Reports
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 6/1/1976
• Title: Computer Simulation of Surface Water Hydrology and Salinity with and Application to Studies of Colorado River Management -- Part 2 of 2 -- Page 143 - end
• Water Supply Pro - Doc Type: Report/Study

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191

FIGURE 6.4

Average Lake Powell Storage from Simulations
Using Different Inflow Sequences
(Maximum Allowed Powell Storage, SPM = 15 MAF)
(Target Discharge, Dt = 8.23 MAF/yr)

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20 0

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10

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-...;

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1 2 3 4 5 6 7 8 9 10
Simulation Run

FIGURE 6.5

The Decrease in Variability of Average Storage
Estimates with Increase in the Number of
Replications

<I
n

= - 2
2 n (S - Si)
<I = l: n
n i=l n(n - 1)

where n = the n',mber of replications
included in the estimate
of Sn;

S = the average storage over n
n
replications; and

Si

the average storage from
the ith replication.

(Emshoff and Sisson, 1970; p. 200).

21
1 2 3 4 5 6 7 8 9 10
Number of Replications, n

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