<br />Plood ?lain. - Th" felHively fl~~ or lo~'lMl<1 ;lfea adfoi1\i:\>: ., river,
<br />Hrea"T\, w3tefCo"rse, L1k~, Of O(heC body of ,ta"di,,>: W"cer which has
<br />
<br />"een or ",av "" covend ce..porarilv by flood '..acef.
<br />
<br />,,,
<br />
<br />wirhi" ;I d"si>:"ao,,<1 str~am r"arh.
<br />
<br />Per~hed Chann.el plow
<br />
<br />A ~ondition Wh""e ohe flow eLevarlon in the outer
<br />
<br />t;at~r S".tac<c orofilr - (This Crt'm is 5V"0"V"'0'lS '~i.ch FLood P,."fi Ie) - a
<br />"ca~h show1r", r"le relarionship of dw. wat..r sclff~ce e.leva~ ion. of a
<br />flood ewn.~ ro lO~,1~10n alon>: :. .tream or river.
<br />Wa~ersh"d~ - A drai:\a>:e basin or ar"" whIrh collects runoff ~d tran.smit.
<br />it u,"alty by "wa.~8 of 8~re3"T\S And tribu~ane" GO 01>" ou~lct of the.
<br />basin.
<br />
<br />,~d"T\i"istrat1Ve purp08es th~ flood plain "".lY b/. def:t,,~d as the ~re~
<br />~h~o '~ould "" inlln<l~t,'d hy rh~ 100l-veH flood.
<br />Left Strea"T\ !lank - Th~ lO'fc bank of th<. ~trOa1'. ,.hen lookinll; d",,,,srceam.
<br />
<br />POrtion5 of ohe flood plain i~ hi~hec than tho flow eLeva~ion. in th~
<br />
<br />main cha.~ncL
<br />
<br />Thi. ~ond1t10n occurs wher. a hill;h~r se~ondarv ehann~l
<br />
<br />rec~iv.," inflow fr011l 5""'" locatio" l1p.cr"arn and ma1ntai"" a flatocr
<br />slope o'lar. rhO' ",ai" chilnnel.
<br />"",ach _ A h\,dt'auli~ engineerin>: ~"r'" lls.'.d 0" desc~ibe l()"gi~udlnal
<br />~egrn"'n08 of a soream or river.
<br />Rillho Sore".. Bank - The eigho b,'nk of the .tream whe" looktnll do""'st~"'iI"T\.
<br />Runoff _ Thar r"rr of prectr>tration., ,.. welt a~ ~nv ooh~c flow ~onrrlhl\-
<br />dons, which ~ppcars in su~facc a[ua",. of d~_h~r ""r"nnL:ll o~
<br />int''''lIirr~n~ form.
<br />Sor",am _ Anv natural Ch"nn..l or d~pressi'm rnrough which w"o~r flo","
<br />WhHlw[ ,o"t1nuou,ly, In(~,,.iU.nr1v, or p.'riodi,aUy. ,,,dudinv,
<br />modi Hcation of th.' n,'~lIral chann~l 0<" M"r..~.io,.,.
<br />S(ru~~\Jr.. _ .\.~yrhing ~or.Hruct..d or ~r~c[t'd, ,h.- liS.' of whirh r"qnires ~
<br />
<br />rJ\Ore or Less llt'OldnHIO lo~a~ion or. or in r~\t' ~ro"1\d.
<br />
<br />11\("lud.'sbut i<
<br />
<br />not limito>d ~o bdd>:es. buil<linl1;s, (""nalo, d."',". di~('hes. div.'r"iCln",
<br />
<br />ir~i~arion syst.'ms, pump", p1r>~11"~s. railro;lds, f,,,,ds "~""""
<br />
<br />dis p"A,'1 ~Y"~""'", u!\de""ound oon~"i~ s, wan'r ,LIppI v "V"(,''''S "nd
<br />
<br />"",lis.
<br />
<br />tvni""l V.111~v Cross S~("oiCl" - An .."~i",,,'ri"J( rl"i1'~t,,>: ,)f a v"ni(",~1
<br />,eedo" of " ~rr..am ~h3"1\~1 an.d adjoini,,;;: la.~d8~~p" as viEW"d in "
<br />downstrcam dir"nion, Th~ dr,~'~b>: r..pr~"eI"" a spedfi..d loc~tio'"
<br />
<br />"
<br />
<br />25
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