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<br />CONTENTS <br /> <br />l <br /> <br />~ <br /> <br />Glossary vi <br />Abstract 1 <br />Introduction 1 <br />Literature review 2 <br />Data base 3 <br />Topographic and climatic variables 5 <br />Land-use variables 5 <br />Indices of urbanization 7 <br />Flood-frequency estimates 8 <br />Estimating procedures for ungaged urban sites 9 <br />Selection of data 10 <br />Seven-parameter estimating equations 10 <br />Three-parameter estimating equations 13 <br />Seven-parameter alternate estimating equations 14 <br />Correlation of significant variables 15 <br />Limitations of significant variables 16 <br />Other independent variables 18 <br />Other methods and models 19 <br />Ratio method 19 <br />Difference method 23 <br />Method of moments 23 <br />Harley method 24 <br />Verification and testing of regression equations 25 <br />Split-sample analysis 25 <br />Bias testing 27 <br />Sensitivity testing 27 <br />Urban peaks less than equivalent rural peaks 32 <br />Effects of detention storage 32 <br />Estimating basin Iagtime 33 <br />Estimating procedures for gaged sites 34 <br />Summary 34 <br />References 36 <br />Appendix I-Selected data for stations used in nationwide urban flood-frequency <br />study 39 <br />Appendix II-List of reports for estimating equivalent rural discharges for urban <br />watersheds 60 <br /> <br />Contents III <br />