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<br />.....
<br />
<br />J7~ Comput<3nondl Fluid Dyn.:Jmicr.
<br />
<br />,,'
<br />
<br />Bed elevalton 1m)
<br />3OQ-Flov._ ~- _
<br />~ I' ......0_, ~ /-,.... ~ _ '--=~, ,_ 818
<br />~ j~:::,J;. ~~" - '= 813
<br />200~.~-~~__-::l-:r""" - -.. =
<br />W;;",~"-_~io-~~- ~ . _ 000
<br />%'-~ -.- '/'"' .......,
<br />r::- \
<br />100 h --::...~~-
<br />,:,:' =
<br />~.. -.#
<br />o
<br />o
<br />
<br />--
<br />"
<br />,-
<br />;~
<br />, ,
<br />,-
<br />c,
<br />u~
<br />
<br />-' . ,,--
<br />--=-~.,.
<br />..... -.
<br />~~
<br />
<br />250
<br />
<br />soo
<br />Ol$tancelromonletlm)
<br />
<br />750
<br />
<br />,b'
<br />
<br />Bed elevalL(ltl(m)
<br />3OOI'"Flo,,!-~,c.~ :r--_'-~_~_-_~ 818
<br />~ "'.Y-~,-u->v.-'~. - -' _ u'-~' E 813
<br />200 fiJ.....,--.. ,1_.... .~_.....::' ..._--- __-:c. .--
<br />,/-c.-:':::___~~';:-1:,rJ- ~---.- '-;:'iii
<br />l00~~..z:~~~~;-':_--~-~<~z~j-,-:::~ aoa
<br />l-_'~-~_,_,:::,",," ,-,,'C-' ~
<br />_-......... ,- "'L", i,,_
<br />a - J
<br />o 250 500 750
<br />o.slancelrom onlet (m)
<br />
<br />E-
<br />.E
<br />,-
<br />~~
<br />:g~
<br />u~
<br />
<br />,,'
<br />
<br />Bed elevatIOn (m)
<br />300 ~
<br />[Flow._<:; , /_ --==-- _ ~_.. :=: 818
<br />,Jr;t:;~<-...:::.. '~..:.::-'-- -~~
<br />~. ~'-2k'~) I~.-'-_---==--- 813
<br />200 _ ~L _~-_
<br />....///'" -,........~ '--' . -~ ~
<br />o.~ _ ;.~.-_ ~- _ .~--, '- _ ...... ,,_ 808
<br />...- .. ~ -& >----"" '" ~ -- .<'';''''- .'
<br />r~~?~~-- .~ .--~.~~
<br />'~~4:~,~~~..~
<br />o 250 500 750
<br />Otstal'lCEllromlflleflrn)
<br />Figurr J4. 10 Contour mdps of the P"liSdrles rt'deh dt /270mJ/s showing (d) the inlridl bed
<br />morphology (.allime = 01, Ibl the fTIOdt"l prediction .arrer 72 hours with rhE' low (1983) Sdnd
<br />supply .and dsu = O.14mm, .md(c) thE' model prf'dicrion "ner 71 hours ....irh Ihe high (1956)
<br />S<lnd supply iJnddsu= O.16mm.
<br />
<br />E-
<br />.E
<br />,-
<br />~~
<br />~.
<br />..
<br />u~
<br />
<br />where the thalweg is close 10 the righl bank. The deepesl part of the channd is
<br />downstream from (he inlet near Ihe centre of the channel. The right bank: consisls of
<br />a cliff along most of its length.
<br />Gullies mappc..-d b) Hereford t'laJ.II99I. 1(93) in Ihis reach are near G. The gentl}
<br />sloping surface abo..e G contains many artefach lYeatts. 1996; K. Thompson and
<br />A. POlochnik. SWCA, oral commuOIcalion. 1999). The gullie1i wilhln G in lhe
<br />Palisades reach halie a lower gradient and appear less deeply Incised Ihan gullies in
<br />the Abolie Lava Chuar reach. If further Incision of gullies is 10 be arrested or pasl
<br />InCIsion healed by deposition along the wale,'s edge. these slIes may be the bl:SI
<br />candidJ.tes for benefits from high rdeases.
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