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<br />Table 9,--SI.:.::;,'7".!T'".j cf fl-;:d Hi~ressiC'l .1;~UltS
<br />
<br />(E~uations field peak disch2rge in cubic feet ~er second for i~dicated flood cbar~cter-
<br />isticj Q5, QI0,..,QIOO, pe2k discharge for reC'Jnence :.ntervals of S, 10",.100 years;
<br />AL, e:ff~ctive drainage .Hea, in. square miles; :;:"F, reli/'f factor, in feeti 124100, 24-
<br />tour, IOO-rear rainfall intensitYi --, r;ct ari'lic2ble] -
<br />
<br />Regressioll method Gnd model
<br />
<br />Equ.:;t:ie':l
<br />
<br />Average standard
<br />error, in percent
<br />
<br />Regression Prediction
<br />
<br />Ordin,ry least-squares method:
<br />
<br />Linear model:
<br />
<br />Log Q5=4.13-2.21..lJ;-O, 12S+C,24 Log H'
<br />
<br />Log QI0:=4.74"'2.6!JJ~-O.1.2S+0.23 Log Ri' 51
<br />
<br />
<br />Log Q2Y:S.41'''3.C2JJ~-O.12S+0.21 Log RF Sl
<br />
<br />
<br />Log Q50:=5,85"3,3CJJ~-O.12S+0.19 Log RF SLI
<br />
<br />
<br />Leg QIOO=6,25-3.SSA.E-O.12S+O,17 1.og RF 59
<br />
<br />Generalized least-sQ~ares method:
<br />
<br />LiD.E2r model:
<br />
<br />Log Q5=), 99-2. 12AE"0. l "+0.25 Lo:~ F1'
<br />Lo,g Ql 0:=4,56- 2. 45A1:- 0',125+0,22 Log RF
<br />Lo.! Q2S::5.18-2,SlAE-O.12S+0.22 L()g RF
<br />Log Q50:=5. 60- 3. 06AE-O' 125+).20 L<;g F-F
<br />Log QIOO=6. 01- 3. 31AE- 0 .12 5'+0.19 tog PJ'
<br />
<br />Quadratic model:
<br />
<br />Log Q5=j.83-1.k6(AE-o.12S)t
<br />;:3.83d,k6AE-o.2S
<br />
<br />Log QIO=='.21-1.c2(A.E-O.12S)2
<br />~:l., 21.-1. 62AE-O' 25
<br />
<br />Log Q25::4.61-1.80(AE-o.12S)2
<br />='.6l~1.80~X-O.2S
<br />
<br />log Q50,,4,B7-1.92(AE-0.12':,z
<br />.4. B7-1, nAg-o."
<br />
<br />Log Q100=5,12-2,04(~E"0.l")Z
<br />:;5.12~2.0L.JJ~-o.H
<br />
<br />Secol1d-order model:
<br />
<br />Log Q5=2,56+0,57(Lcg P1')(Lcg 124 100)
<br />~1.09;..E-O.2S -
<br />
<br />Log Q10=3,05+D.53(l.',g Rf)(lcg 124 100)
<br />_] .29A.E-O.2S
<br />
<br />Log Q25=3. 64-0.45 (1..,g Rf)(Log 124,_100)
<br />-1.53/$-0.1!;
<br />
<br />Log Q50=4,03+0.39(1."g Rf)(Log 124 1(0)
<br />-1. 70AE-o. 25 .-
<br />
<br />Log QIOO;4,41-0,33(1.og Rf)(Log 12',_100)
<br />-1.85AE-o.2s
<br />
<br />57
<br />
<br />LB
<br />
<br />LO
<br />
<br />3B
<br />
<br />39
<br />
<br />42
<br />
<br />51
<br />
<br />42
<br />
<br />39
<br />
<br />40
<br />
<br />'3
<br />
<br /> L)
<br /> 37
<br /> 36
<br />~
<br />~
<br /> .;8
<br /> 1.2
<br />
<br />'<6
<br />
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