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<br />9 <br /> <br />CHANNEL REACH <br />A ~-- uEi------rm---C----------r---- D <br /> <br />- <br /> <br />- <br /> <br />~.., - <br />~.. <br /> <br />'" -- <br /> <br />C!?i;."'nel <br /> <br />, 100 - YEA R FLOOD PLAIN <br />. LIMITS <br />- ----- <br />-, 10-YEAR FLOO.I{, __'" --::.-::, _ -- <br />::-::' ~I,~I~," - ,.----- <br />------- ,,' <br />-:::::-~ <br /> <br />-- <br /> <br />~ <br /> <br />_ ....,25.YEAR FLOOD PLAIN LIMITS <br /> <br />- <br /> <br />- <br /> <br />-'" <br /> <br />- <br /> <br />-- <br /> <br />~_______u__ L_____ <br /> <br />l <br /> <br />..J <br /> <br />EXAMPLES FOR DECISION UNIT A <br /> <br />- <br /> <br />2 10 100 <br />RETURN PERIOD, T <br /> <br />..l. <br />2 10 <br />RETURN <br /> <br />I l <br />100 <br /> <br />PERIOD,T <br /> <br /> <br />FROM LAND USE a <br />ECONOMICS STUDY <br /> <br />Q <br /> <br />STAGE <br /> <br /> <br />~ <br /> <br />DAMAlE <br />~..----- c::;> <br />/ FROM <br />/' HYDRAULICS STUDY <br /> <br />FROM <br />HYDROLOGY STUDY <br /> <br />~ <br /> <br />STAGE <br /> <br />{~ <br /> <br />DAMAGE <br /> <br /> <br />DAMAGE <br />IN D,U,A, <br /> <br /> <br />I <br />NOTE: P' T <br /> <br />2 10 100 <br />RETURN PERIOD, T <br /> <br />~' <br /> <br />, <br />o 0,5 <br />EXCEEDANCE <br /> <br />..l. <br />1,0 <br />PROBAB ILlTY, P <br /> <br />. <br /> <br />Figure II-I. Calculation of Damage-Frequency <br />Relationship for Decision Unit A <br />