FLOOD01798

• County: Statewide
• Title: Australian Rainfall and Runoff 1998, Revision of Book VI - Estimation of Large to Extreme Floods
• Date: 11/28/1998
• Prepared By: Rory Nathan, Sinclair Knight Merz
• Floodplain - Doc Type: Educational/Technical/Reference Information

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UfV"'\l I.....

u........"' V,- ........"......"",....., ...c:..~....... ...^..<;.."...., ,............~

Table 12 Areal rainfall estimates without CRC-FORGE information,

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1000

E
.s

Jjj
c:
'n;
0::

81 99 120 136 162 182 211
89 109 137 154 181 206 239
0.760 0.796 0.832 0.843 0.868 0.896 0.912 0.928
0.760 0.796 0.832 0.841 0.866 0.893 0.908 0.924
50 65 82 101 118 145 166 196
56 71 91 115 133 162 187 221
400 510 600 670 760 810 860
17.06 18.37 17.94 12.71 13.30 14.39 12.19 11.30
0.309 0.302 0.304 0.303 0.308 0.319 0.327 0.346
0.752 0.752 0.752 0.752 0.752 0.754 0.756 0.762
120 153 190 219 265 302 353
260 332 398 449 519 566 822

100 ~

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Interpolation procedure l
B"ed on shape facto<s "
- - - B,sed on CRC-FORGE f

2

0.2 0.1 0.05 . 0.01 0.001
Annual Exceedance Probability (%)

0.0001

0.00001

0.5

Figure 11 Comparison of rainfall frequency curves derived using shape factors (Table 7, where credible limit of
extrapolation is 1 in 100 AEP) and CRC-FORGE information (where credible limit of extrapolation is 1 in 2000
AEP).