CONTENTS 



Page 



CONVERSION FACTORS, U.S. CUSTOMARY TO METRIC (SI) 5 



SYMBOLS AND DEFINITIONS 6 



I INTRODUCTION 7 



II HARBOR CHARACTERISTICS 7 



III PROCEDURE 8 



1. Data Requirements 8 



2. Solution 9 



IV EXAMPLE PROBLEM 13 



V SUMMARY AND CONCLUSIONS 17 



1. Evaluation of Method 17 



2. Settling Velocity Distribution 17 



3. Sediment Mass Carried Into Harbor 17 



4. Effects of Navigation Channel 17 



5. Winter Sedimentation 18 



LITERATURE CITED 19 



TABLE 



Part of sediment deposited in harbor basin 16 



FIGURES 



1 Definition sketch of an enclosed harbor 7 



2 Sediment-concentration correction coefficient 10 



3 Part of sediment, P, deposited in the harbor basin as a function 



of tidal range or river rise in the basin, a , and particle size.... 11 



4 Graph to correct P when sill elevation is not zero 12 



5 Correction factor, K. , for time variations in the suspended 



concentration of sediment entering the basin 12 



6 Location map of Dillingham Harbor, Alaska 14 



7 Composite settling velocity and size-frequency histogram of 



suspended sediment obtained at Dillingham Harbor, Alaska 15 



