CONTENTS 



Page 



PREFACE 1 



LIST OF TABLES 6 



LIST OF FIGURES 6 



CONVERSION FACTORS, NON-SI TO SI (METRIC) UNITS OF MEASUREMENT 8 



PART I: INTRODUCTION 9 



GENESIS 9 



Mode of Interaction with GENESIS 11 



Cautions 13 



Scope of This Report 13 



PART II: OVERVIEW OF BEACH CHANGE MODELS . 15 



Need for Models of Shoreline Change 15 



Shoreline Change Model and Capabilities 16 



Duration and Extent of Simulation 17 



Comparison of Beach Change Models 20 



Conclusions 24 



PART III: SHORELINE CHANGE MODELING AS A TOOL IN THE PLANNING PROCESS . 25 



Elements of the Planning Process 25 



Role of Shoreline Change Modeling 29 



Conclusions 31 



PART IV: PROJECT EVALUATION AND USES OF GENESIS 32 



Scoping Mode and Design Mode 32 



Input Data 33 



Boundary Conditions 41 



Variability in Coastal Processes 42 



Calibration and Verification 44 



Sensitivity Testing 45 



Interpretation of Results 45 



PART V: THEORY OF SHORELINE RESPONSE MODELING AND GENESIS 47 



Basic Assumptions of Shoreline Change Modeling 47 



Governing Equation for Shoreline Change 50 



Sand Transport Rates 52 



Empirical Parameters 54 



Wave Calculation 61 



Internal Wave Transformation Model 62 



External Wave Transformation Model: RCPWAVE 74 



