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curve number selection #1

@pertetotale

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@pertetotale

Hi,
thanks for providing an example how to use the S0 with lambda 0.05, and clarifying mm / inches handling
I still am confused about which CN set to use when...
Is it right you have to use the table from CN0.05 75 to CN0.20 80, as in the nb you provided, and not from 75 to 65?

CN0.20 S0.20(in) CN0.05 S0.05(in) Pcrit (in)

100.00 0.000 100.00 0.000 -----
95.00 0.526 94.02 0.636 2.44
90.00 1.111 86.95 1.501 1.72
85.00 1.765 79.64 2.556 1.95
80.00 2.500 72.39 3.815 2.27
75.00 3.333 65.31 5.311 2.63
Logically I'd think we ve to go from CN0.20 to CN0.05
thanks to clarify

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