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<br />CONTENTS <br /> <br />Page <br /> <br />Abstract. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br />Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . 2 <br />Purpose and scope of the urban study......................... 2 <br />Acknowledgments. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . .. . . . . . .. . . .. . 2 <br />Conversion to metric nnits................................... 3 <br />Physical setting............................................. 3 <br />Description of the hydrologic model.............................. . 5 <br />Data-collection methods and use of data........................... 8 <br />Drainage area and main-channel length and slope.............. 10 <br /> <br />Impervious area.............................................. 10 <br />Rainfall and runoff.......................................... 13 <br />Evaporation.. .... ...... ................ ........... ........... 13 <br />Distance-area curves................,........................ 16 <br />Comparison of observed and computed peak discharges............... 16 <br />Extension of flood records in time at gaging stations............. 16 <br />Regionalization of flood-peak characteristics..................... 41 <br /> <br />Flood-frequency equations.................................... 42 <br />Flood-frequency nomograph.................................... 42. <br />Effect of urbanization on flood runoff............................ 45 <br /> <br />Changes in flood peaks....................................... 45 <br />Changes in the volume of annual runoff....................... 47 <br /> <br />Summary and conclusions........................................... 50 <br />References cited.................................................. 51 <br /> <br />III <br />