|
<br />"-'
<br />
<br />h\lulua Ihal Jppear.. panly nun\?u in ..and In :J J 9..t I ground-
<br />ha"eJ pholOgraph IlhlicH.::" th;!! a IiITg\? part of th1.' eddy ..and
<br />bar at Pali..Ju.::.. d~'llal.::J by at l.::a'l ~ lJl h~'l\~<:<.'n ]1I..t I and
<br />2()Clllt D. J Tllpplllg. unruh. Ja[;J. 20l)()j; a~'nJ]'r!Hll<.'grarh
<br />;Inaly..i.. "Ugg6h thaI nlll'lllflhh Jdlillll.ln \~J., Uti.: 10 \?flhll'll
<br />IhalllCl'UrreJ ali!,.'r th.: dll'ur~' "f(jkn C;mYlll1 [hml(lf,lllh
<br />and So:hlmJI. Ili'N). .-\n .t.::ri.ll \ l~'\\ (If lh... Pal had.:, .lrl';l .1.. H
<br />looked in [Qi)5 I.. ,h,ml1 in IiglJrl':' \hl<.klmg \Hlr).. hy \\Il:k
<br />and Fran"':l'n 111)44. 2()1I1 ) mUK,lll:U that Ill'oJ '>Ugi.''> e\l......:J-
<br />ing 1.:'70 Ill'.. (45.000 Ii ;,) '::l'uIJ [..',ult In '>ub,t.!I1l1al d,'p".
<br />..ililll1 01\ the ,;mJ bar.. lJlll1l\'..llaldy bd,I\\ l'.tJI",J,>, <. red
<br />(\\ Ilh greater Jep'''llHm pr.:JI\"!\.'J ;111111\\.. III l'\(...'" (,f 2.:-.1.1)
<br />111' ~ [~100.1I1)1l fL ,,], ':1<:11 ;""'Ul1llllg J r~'btjld~ lul\ ,,'dink'llt
<br />':OIH;L'ntratWI\ 1t1lh<: !\U\\ I. ()n thL'lxI...I... ('flh\..'~L" hyJr"gr:lphh:
<br />mudd.... :,w.:h 11('1\... hall,.' r.<:<:n ",ugg~'...tL'd .I~ J nlL'Jlb r.y Idll\..'h
<br />to lffipnllL' pr':"'<,T\ ;lIiLlIJ 111' .lrL.h~lel'lll!,:h:al ~lt<:~ 111 the PJII...:!d~>...
<br />arL'J(\\iel<:JllJl-r;.trhL'L'n.l'N<}).
<br />Th..: 1.27() III ~ 1..J:'.i)(ro fl ~) c,lnlroll.:J fl."ld <'\fl<..'T1-
<br />I11Cllt11l 1 'Nt> .:au...eJ ",COUT and L'r,"'IOO (If ...and J':P""'lt... In
<br />
<br />A
<br />
<br />
<br />JJ..
<br />
<br />.
<br />v.~
<br />
<br />-
<br />
<br />~.
<br />
<br />~
<br />
<br />.
<br />
<br />_i-:
<br />
<br />--~
<br />
<br />
<br />.a _...
<br />
<br />
<br />.
<br />.
<br />t~.~
<br />
<br />.....-
<br />,- -'--",,-
<br />.c,;;--... -,_
<br />.~- .
<br />..J.
<br />
<br />=
<br />w
<br />
<br />-
<br />
<br />Figure4PlayadeposltsatlheeaSlernedgeollhePalisadesSludy
<br />area A The drainage channelrnlhe northernlupstreaml playa
<br />deposits IS the source tor the maIO arroyonet\'\Iork,whlchatfeClsse v.
<br />eral archaeological sites (photograph taken In ApriI200.H 8, Slandlng
<br />waler 10 the central part o! the playa ipholograph laken 10 NOliember
<br />20031 The reddish color of the playa sedlmenlrellects localdertv a.
<br />tIOn !rom the Dox Formation (Stevenson and Beus, 19B21.1O contrast
<br />10 Ihe Iyplcally buH.colored Colorado River flood deposllS AnalysIs of
<br />photographs bvThompson and PotochnikI20001md,cateslhal. prror
<br />10 1980. dralOage of the playa area was blocked t!v aeolriln dunes. and
<br />had not yet reached therrver aSlhenonhern part 01 It does IOda\,'
<br />
<br />Palisades Area
<br />
<br />9
<br />
<br />thL' P;III',JUL'''' eJu~ on II,,->r klt,\lthI1ugh J nL.tl"...... ol....:Jj-
<br />1l1.:11I ('<':l:urr.:J Itl thl:' Jrl.'J ,lunng lhL' <'\r":r1m.:nl. thl.' ll(loJ
<br />..kpll...il.:J "'Jl1J 111 thL' muwh of Ih..: m:l1l1 Jrro~\J I YI.';llh.
<br />1'l(J1l1 RL'fl<.."<U.:J hig.h-rL.....,lutiull ...ur..:y... in Ihe yeJr fiJllO\\-
<br />IIlg lh.: I'/\jf, t]p"d dL'llllllblrJIL"J a ...hghl nL>1 f;lin of "'l.'dillll.'1I1
<br />f I"" l1l' 111 the 'UT\':y Jr,:;!1 ;Ihll\': 111.: 1.27u III ... 1 Ill<..' ~..J5.0110
<br />Ii ...: "'Ur\ L'~'" JI l'all...aJ.:... \\.:rL' ':('IlJUl:tL'J 11\\' lJ1'llllh... and
<br />].~ 1l1,l[llh~ .llkr Ih.: 11"'II.IJ. -[ hl~ ,IL'L'rL"lall1 InJlL"lIlL'd thJI ....:JI-
<br />IJ1L'nl JL'r'....llL'J lf1 anJ JTl'lmJ lh.: arro)t' muulh haJ Jrr:Jr<:ntl~
<br />ol.'<:n trJtl'-f'l.n.:J hI hr!,'hL'r L'k\ JIIt'n b~ \\ inJ J<:II(1111 \''::It[,,.
<br />1'/'1-.. ':lllhhlc'lll With lh.: .rL....t"ratjll.'. rr('<:L'~"":... pn.po,.:J o~
<br />r IHlll1p~'>l1 ,lIld [>(,tu..::hniJ.. (2t>uo r Sun~'~ Il1Jrrl1l!,: L'()JJJUl:I.:J
<br />
<br />'f.;. .... -t-
<br />.;.!\ . ~.,"
<br />.. ....:.Y
<br />
<br />\
<br />N
<br />
<br />~.
<br />,Of.
<br />,'" .
<br />. . .
<br />:;.. .
<br />.
<br />
<br />.....
<br />.. ..--
<br />
<br />t~
<br />" ~
<br />,~ ,
<br />.
<br />
<br />- .
<br />, .
<br />
<br />I
<br />
<br />.
<br />
<br />.
<br />f
<br />
<br />rI\ It.
<br />.
<br />
<br />,
<br />
<br />""
<br />"
<br />
<br />,
<br />I
<br />.. ."
<br />....
<br />
<br />.
<br />
<br />. .'
<br />
<br />.
<br />
<br /> .
<br /> .
<br /> .
<br /> .
<br /> . ,
<br /> ,
<br /> .
<br />. .
<br /> .
<br />.
<br /> .
<br />
<br />L'
<br />
<br />
<br />. .
<br />
<br />.
<br />.
<br />
<br />\
<br />
<br />..
<br />
<br />.
<br />
<br />.
<br />
<br />.
<br />
<br />..
<br />
<br />.
<br />
<br />.
<br />
<br /> ." '.
<br />. ..:
<br />t .
<br /> n
<br />t') _~;
<br /> .
<br />
<br />.
<br />.
<br />t"
<br />
<br />,.
<br />.
<br />, "
<br />..
<br />
<br />..
<br />
<br />.
<br />
<br />.
<br />
<br />.
<br />
<br />FigureS. AerIal pholographt196SJoftne Palisades study area JphOlO-
<br />grallhlromlhe Grand Canyon Monltorlllg and Research CenterLRlve f
<br />discharge '5 berween 680and 792 m' s
<br />
|