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<br />fig~tinQ, ~v~cuation, ~nd rescw~ activitie. w~ic~ may be required <br />during a flood e~"r;~nGt. <br /> <br />GL05SARY:),TEHMS <br /> <br />[;uvolopn'entPnli,iS3 <br /> <br />flOOd. An Qverrlo~ of l~nd~, not nor~ally covered by w~ter, th~t <br />are .J~ed or usaiJlu by ",,,no flood~ ~ave two Qssential c!'l~r~cteris. <br />tico: the inundation of l~nd is :em~or~ry; and the l~nd i~ Ildja- <br />cent to clrld im.ndclted by overflow from.. river or str,,~,", or ~n <br />ocu~n, l~ke, or other body of ~tanding w~ter. <br />Nornally, a "flood" i~ considered a. ~ny tempor~ry rise <br />in streamflow or st~gB, b~t not t~e ponding of surface water, that <br />reSults in significant adverse affects in the vicinity. Adverse <br />effect9 m~y inolude damages fro~ overflow of land areas, tempor~ry <br />b~ck~ater effects in se~~rs ~nd loc~l drainage c~annels, creation <br />of unsanitary condition~ or other unfavorable situations by deposi~ <br />tion of ~aterials in ~treem channels d~ring flood recessions, rise <br />of ground ~ater coincident with increased streamflow, and oth~r <br />problems. <br /> <br />~hile all regulatory controLs ere valuable tools in <br />comprehe"sive flood de""ge prevention plan"ing, probstly the mos'; <br />effective tool is in the area of development policies. "Flood <br />conscio~." government~l policies t~"t limit the e>ten~ion of pub- <br />lic ro~d", utilities, and other .~rvices into flood prone areas can <br />play ~n important indirect role in shaping ov~rall dsveloprnent. <br />Priv~te devslop~ent often follows the extension of p~blic services. <br />8y locating public facilities away fro~ flood prone areas, e 8oft- <br />sell negative inflwence is projected w~ich encourages the occupancy <br />of higher and safer grou"d. OthAr ~ctions thet con be hkM by <br />local governmental unite include t~e praservation of floodways through <br />~rban renew~l; providing favorable tax adjustments to l"nds held for <br />o~on opu:o ~sss; end maintaining necessary actions for t~a city e~ <br />c""nty to c<>"'ain in tMe Netional Flood Insuronce Progt<>m. Indr<;o&cf <br />financ~, lending institution., bot~ federal and priVlltB, can infllJ~"cA <br />flood pl"i" dev81op,"ent by ,~ithholding mortgage guore"toes cr ether <br />fundi",! from those who contemplatn projects t~at ..ill intsnaify known <br />flood problomG. <br /> <br />Flood :r"Gt. The md~imu~ utdgU o. "lev~tion r~~ch~d by the wat~r~ <br />of ~ flood at e given loc~tio~. <br /> <br />flood Pnnk. The m~~imu~ in~tontaneous di~chargB of e flood ~t a <br />~iv"n location. It usually occurs at or n"ar t~" tin'1e of t~s <br />flOOd cr~d. <br /> <br />Furth~r StLJCV <br />Continuing study and revi~w of tha floodways ond ot~ar <br />oreal dcoignationo which m~y te defin~d in GOrln"ction with flood <br />pl~i~ zoning ~re p.rticu13rly important in maint~ining a long tonge <br />l"nd u~e planning progca~. Co~munity ~"thoriti~~ should periodically <br />revie~' ,,"d adjust t~e proviaions governing t~e use of flGod ploin <br />l~nds w~enevor ns~ l~fo.m~tion indicd~~5 a ch~ng" in their flood <br />pot",ntial. <br /> <br />flood Plain. The relatively flat area or lowla~d~ adjoining t~e <br />channel of 0 rivet, ~traam or waterCOut5e, oc oce~n, lake, or <br />other body of standing ~ater, w~ic~ has b~en or may be covered by <br />floodw~hr. <br /> <br />flood Profile. A grap~ showing the relation~hip of w~ter surface <br />elevation to location, the l&tt~r gnnBtally Bxpres~ed as dista"ce <br />"bove ~uwt~ for ~ strB~m of watDt flowing in ~n open channel. It <br />is qenarally drewn to ohow surf~ce elevation for the crest of ~ <br />~pecific flood, but may be prep~red for conditions et a given time <br />or st~g~. <br /> <br />" <br /> <br />" <br />