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<br />24 <br /> <br />20 <br /> <br />San Dieguito River <br /> <br />Hydrographs <br /> <br />16 <br /> <br />II <br />~ 12 I-Mar, s-j-Mar. <br />,= <br />d <br /> <br />Feb.21-rFeb,22-I-Feb, ~~4b <br /> <br />8 <br /> <br />,.. Feb. 1980 flood <br /> <br />4 <br /> <br /> <br /> <br />o <br /> <br />20 <br /> <br />40 <br /> <br />60 <br /> <br />60 <br /> <br />100 <br /> <br />120 <br /> <br />140 <br /> <br />lima, hours <br /> <br />FIG. 2.-FIood Hydrographs <br /> <br />banks of Section 60-63 and by bank protections at the north banks of <br />Sections 51 and 58. <br />Two floods passed through the river, one in March, 1978 (peak flow <br />= 4,400 cfs), and another in February, 1980 (peak flow = 22,000 cfs), <br /> <br />:~-;:"-~ n/'..... / ---n....fr.- <br />2O~ _ ~ <br />400 600 600 1000 1200 1400 1800 100012110 1400.1800 1800_y~..s:'T~11lOO <br /> <br />~,,~:;:."-"'/ ..' ""..... JY' ~..."'~ ~I <br />~~ ~ ~. ,::,;tr...J" ""-:.. <br />J:IlOO~~::' ,.. \'~"'~=:7 '''~'llOOSee.~ 'lIDO 2ODO" ~_ 2<100 <br />~ I _.. _. _. <br />~:!Ot --: - _.. <br />~ 10:'800 2ODO 22IlO 24001400 1600 lllDO 2ODO 2200 2<<lO 1400 IfJOO 1800 2000 ~ :uoo <br /> <br />:~\d'~~ <br /> <br />2014001600 1600 2llllO 220ll 80ll 1000 1201l4Oll BOO BOO 1000 1200 200 400 600 800 <br /> <br />:f...."0~~ <br />oo~ <br />'200 400 600 6000 200 400 6000 2IlO 400 600 <br />Stalion.'-l <br /> <br />_lllidlHpnl/illI <br />-"'-""-~ <br />-~-~ <br /> <br />San Dieguito River <br />-- <br /> <br />FIG. 3.-Slmulatsd and Measured Cross-Sectional Changes <br />163 <br /> <br />12 <br />