Measuring and understanding coastal processes for engineering purposes / Committee on Coastal Engineering Measurement Systems, Marine Board, Commission on Engineering and Technical Systems, National Research Council.

Format:

Book

Author/Creator:

National Research Council (U.S.). Committee on Coastal Engineering Measurement Systems.

Contributor:

Denner, Warren W.

National Research Council (U.S.). Committee on Coastal Engineering Measurement Systems.

Language:

English

Subjects (All):

Coastal engineering.

Coast changes.

Physical Description:

1 online resource (129 pages)

Edition:

1st ed.

Place of Publication:

Washington, D.C. : National Academy Press, 1989.

Language Note:

English

Summary:

Much of the U.S. coastline is rapidly changing--mostly eroding. That fact places increasing pressure on the planners and managers responsible for coastal development and protection, and could have a direct effect on many of the 125 million Americans living within 50 miles of the coast who rely on its resources and beaches for their livelihood or recreation. Although rapid advances have been made in the measurement systems needed to understand and describe the forces and changes at work in the surf-zone environment, their potential for allowing more accurate and reliable planning and engineering responses has not been fully realized. This book assesses coastal data needs, instrumentation, and analyses, and recommends areas in which more information or better instrumentation is needed.

Contents:

Measuring and Understanding Coastal Processes for Engineering Purposes

Copyright

Preface

Contents

Executive Summary

HIGH-PRIORITY RECOMMENDATIONS

HIGH-TO-MEDIUM-PRIORITY RECOMMENDATIONS

MEDIUM-PRIORITY RECOMMENDATIONS

1 Introduction

PREVIOUS RELEVANT REPORTS AND STUDIES

COASTAL ENGINEERING AND PROCESSES

MEASUREMENT COMPLEXITIES

Diversity of Conditions

Winds, Waves, Currents, and Tides

Topography

Summary of Measurement Complexities

ANALYTICAL METHODS IN THIS STUDY

2 Coastal Engineering Applications

ENGINEERING APPLICATION AREAS

Coastal Process Categories

Coastal Features and Coastal Engineering Applications

Shore

Backshores

Entrances

Harbors

3 Processes and Measurement Requirements

HIGH-FREQUENCY WATER MOTIONS

Processes

Measurement Requirements

Measurement Capabilities

Velocity Measurements-In Situ

Velocity Measurements-Remote Sensing

Wave Measurements-In Situ

Wave Measurements-Remote Sensing

Measurement Needs

Waves

Velocity

LOW-FREQUENCY WATER MOTIONS

Measurements Requirements

FLUID/SEDIMENT INTERACTIONS

Measurement Requirements and Capabilities

Near-Bed Sediment Transport

Fluid Turbulence

Bathymetry

Directional-Wave Characteristics

Spatial-Scale Observations

FLUID/STRUCTURE INTERACTIONS

Structure Types and Measurement Requirements

Breakwaters

Elevated Platforms

Seawalls

Jetties and Groins

Entrance Channels

Navigation Aids

Artificial Islands

Erosion at the Base of Rubble-Mound Structures

Shock Pressure Implosion

Storm Surge

Loss of Fine Particles

Overtopping

Armor Decomposition

Multidirectional Waves

Breakwater Stability

Summary.

4 Modeling Coastal Systems

PHYSICAL MODELS

MATHEMATICAL MODELS

Long-Period Waves and Currents

Waves and Wave-Induced Flows

Wave Refraction and Diffraction Modeling

Breaking Waves

Wave-Induced Nearshore Currents

Infragravity Waves

Swash Zone

Sediment Transport

Sediment Entrainment

Suspended Sediment Transport

Beach Morphology

Bed Forms

MODELING FORCES ON STRUCTURES

5 Data

QUALITY CONTROL

Capabilities for Quality Control

Quality Control Needs

STANDARDS AND CALIBRATION

DATA ASSIMILATION AND SYNTHESIS

6 Conclusions and Recommendations

MEDIUM-TO-LOW-PRIORITY RECOMMENDATIONS

DEVELOPMENT NEEDS

Appendix: Survey Findings

References.

Notes:

Committee chair: Warren W. Denner.

Includes bibliographical references.

ISBN:

9786610214112

9781280214110

1280214112

9780309571760

0309571766

9780585142937

0585142939

OCLC:

298988027