U.S. Geological Survey, Water-Resources Investigations Report 03-4176
by George S. Law and Gary D. Tasker
Table of Contents
Abstract
Introduction
Purpose and scope
Previous studies
Description of study area
Acknowledgments
Basin characteristics
Hydrologic areas
Physiographic-region factor
Flood-frequency prediction methods
Unregulated, gaged sites
Recurrence intervals
Bulletin 17B method
Unregulated, ungaged sites
Regional-regression method
Region-of-influence method
Comparison of methods
Use of computer application
Application of methods
Summary
References
Appendix A. Calculation of the prediction error and prediction
interval for flood-frequency predictions at
unregulated sites in Tennessee
Table A-1. Model error variance (γ2) for the single-variable and multivariable regional-regression
equations in tables 6 and 7Table A-2. Matrix {XTΛ-1X}-1 for the single-variable regional-regression equations in table 6
Table A-3. Matrix {XTΛ-1X}-1 for the multivariable regional-regression equations in table 7
Appendix B. Description of detailed output file produced by the region-of-influence method for Tennessee
Table B-1. Detailed output file produced by the region-of-influence method for Tennessee
Appendix C. Computing effective record length when historical information is available
Appendix D. Calculation of equivalent years of record for regression-predicted peak discharges
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