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<br />Hydrologic Analysis - The stuoJ' 0:: dete:::-mi!linq L.ood water-s <br />for a specific wa~ershed. <br /> <br />l,eft or Right Bank - The bank on t~e left or ric:tlt side of a <br />rlVer or stream, looking downstream. <br /> <br />- Levee - An artifical barrier cons~~ucted to prevent a river <br />or stream from overflowingb <br /> <br />- Reach - A hydraulic engineerin9 term to describe longitudinal <br />segments of a stream or river. <br /> <br />Riprap - An assemblage of broken stones erected in water or <br />adjacent to water, as on a stream bank, to protect ~he ground <br />in or near the floodplain from erosion. <br /> <br />Roughness Coefficient - A measurec.of the degree 0:: resistance <br />to water flow offered by a stream channel and the adjacent <br />floodplain, which is a function of vegetation, rocks, channel <br />material, and other such stream c~aracteristics. <br /> <br />- Seepage - The act or process of water passing througt s~a:l <br />openings or pores. <br /> <br />Stationing - An arbitrary systen for locating a position <br />al ::>ng a baseline, (reference line) usually a stream <br />ce.1terline, by starting from one end of the baseline and <br />nwnbering at regular intervals. <br /> <br />- Topographic Mapping - Mapping which graphically represents <br />the exact physical configuration 0:: a place or region, <br />inc:luding elevations, water bodies, and man made ~eatu~es. <br /> <br />Wat:er Surface Profile (This terrr. :is synomymous Io,T:~':t Flood <br />Prc1file) - a graph showing t~e relationship of th~ wzte~ <br />su!~ace level of a ~lood eve~~ t~ lo:a~ion a~on; 2 s~~e2~ O~ <br />river. <br /> <br />100-year Flood - A flood having a one percent chance <br />occurring or being exceeded in any ~iven year. I~ is <br />reasonably exoe=~ea ~o occu~ onc~ ~~ lCO-ye2~s, j~~ <br />h~~ ~~o 0= ~~=ee ~irnes ~ith~n a 'OG-yea= perlO~. <br /> <br />0:' <br />