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<br /> <br />I Urban Equations <br /> <br />The NFF program includes additional equations <br />for some cities and metropolitan areas that were devel- <br />oped for local use in those designated areas only, These <br />Joc:aI urban equations can be used in lieu of the nation- <br />wide urban equations, or they can be used for compar- <br />alive purposes. It would be highly coincidental for the <br />local equations and the nationwide equations to give <br />identical results. Therefore, the user is advised to com- <br />pare results of the two (or more) sets of urban equa- <br />tions, and to also compare the urban results to the <br />equivalent rural results. Ultimately, it is the user's deci- <br />sion as to which urban results to use. <br /> <br />A brief description of the local urban equations is <br />given in the section of this repon which describes the <br />individual State equations. Local urban equations are <br />available in NFF for the following cities, metropolitan <br />areas, or States: <br /> <br />Alabama <br />Florida <br /> <br />Georgia <br />Missouri <br />North Carolina <br />Ohio <br />Oregon <br />Tennessee <br /> <br />Texas <br /> <br />Wisconsin <br /> <br />Statewide Urban <br />Tampa Urban <br />Leon County Urban <br />Statewide Urban <br />Statewide Urban <br />Piedmont Province Urban <br />Statewide Urban <br />Portland-Vancouver, Washington Urban <br />Memphis Urban <br />Statewide Urban <br />Austin Urban <br />DalJas.Ft. Worth Urban <br />Houston Urban <br />Statewide Urban <br /> <br />In addition, some of the rural repons contain estimation <br />techniques for urban watersheds. Several of the rural <br />r~ports suggest the use of the nationwide equations <br />gIven by Sauer and others (1983) and described above, <br /> <br />URBAN FLOOD-FREQUENCY ESTIMATING TECHNIQUES <br /> <br />11 <br />