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CN- 10m

94.0

91.7

90.7

CN- 30m

93.9

91.7

90.7

CN-HEC-1

-

85.82

-

Range

87-95

85-93

84-92

Mean

91

89

88

StdDev

2.74

2.74

2.74

CV (%)

3.01

3.08

3.11

# Table 5.4: Curve Number Values

Area 1 Area 2 Area 3

Figure 5.2 shows that for the areas analyzed, there is a general trend for both longest flow path (LFP) and slope. The trend in variations in slope reflects the trend in variations in longest flow path, as it is calculated from the longest flow path measurement. Both show higher variations with Area 1 and lower variations for Area 3. Another key point shown by Figure 5.2 is that for the small area (Area 1), there is more variation among parameters than for the larger area, Area 3, except in the case of perimeter and curve number.

5.2

ELASTICITY ANALYSIS

# In this study “elasticity” is used as a measure of the influence of one

variable

on

another.

While

describes

the

relationship

between

two

variables, it is a unit-dependent quantity. Elasticity, on the other hand, is a

dimensionless quantity. In simple terms, elasticity is the percent change in output

per percent change in input. If the elasticity is greater than one, the parameter is

“elastic” in that the dependent variable is more sensitive to the independent

95

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