Coastal Defences,9780415198448

Coastal Defences

by
ISBN13: 9780415198448
ISBN10: 0415198445
Format: Hardcover
Pub. Date: 2001-06-26
Publisher(s): Routledge
List Price: $315.00

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Summary

This work provides an alternative view of coastal defenses, rather than the traditional one supplied by pure engineering books. It presents the broad spectrum of methods that engineers use to protect the coastline, with case studies for and against each of the techniques that investigate the sorts of issues that can arise as a result.

Table of Contents

List of figures
ix
List of tables
xi
List of plates
xiii
List of boxes
xv
Acknowledgements xvi
PART I Introduction 1(46)
Introduction to coastal defences
3(16)
Introduction
3(2)
Historical background to coastal defences
5(2)
Problems of a static coastline
7(2)
Recent trends in defence planning
9(8)
Structure of this book
17(2)
Role of coastal processes in coastal defence management
19(28)
Introduction
19(1)
Importance of waves
20(10)
Importance of tides
30(2)
Importance of wind
32(2)
Concept of the coastal sediment budget
34(3)
Problem of changing sea level
37(9)
Summary
46(1)
PART II Hard approaches to coastal defence 47(120)
Sea walls and revetments
51(21)
Introduction
51(5)
Types of sea wall and their uses
56(4)
Impacts of sea walls on the coast
60(6)
Benefits of sea walls to the coastal environment
66(2)
Sea walls and sea level rise
68(1)
Summary
69(3)
Groynes and jetties: shore normal structures
72(24)
Introduction
72(9)
Shore normal structures and their methodologies
81(4)
Impacts of groynes and jetties
85(7)
Benefits of groynes and jetties for the coastal environment
92(1)
Groynes and sea level rise
93(1)
Summary
94(2)
Cliff stabilisation
96(45)
Introduction
96(7)
Role of cliffs in coastal sediment supply
103(10)
Methods of cliff protection
113(12)
Impacts associated with cliff protection
125(3)
Cliff management by non-intervention
128(9)
Cliff defences and sea level rise
137(1)
Summary
138(3)
Offshore structures: breakwaters and sills
141(26)
Introduction
141(2)
Offshore structures and their usage
143(15)
Impacts of offshore structures on the coast
158(4)
Beneficial aspects of offshore structures
162(1)
Offshore breakwaters and sea level rise
163(1)
Summary
164(3)
PART III Soft approaches to coastal defence 167(134)
Beach feeding
169(46)
Introduction
169(4)
The importance of beaches for wave attenuation
173(1)
Beach recharge techniques
174(9)
Important considerations for successful beach recharge
183(9)
The issue of permanence
192(4)
Where is all the recharge material coming from?
196(3)
Beach recharge and tourism
199(1)
Impacts associated with beach recharge
200(4)
Benefits of a recharged beach
204(1)
Beach feeding and sea level rise
205(1)
Other forms of soft management of beaches
206(5)
Summary
211(4)
Dune building
215(29)
Introduction
215(3)
Importance of dunes in coastal defence
218(1)
The dune problem
219(11)
Methods of dune protection and rehabilitation
230(8)
Impacts associated with dune protection
238(1)
Sand dunes and sea level rise
239(3)
Summary
242(2)
Increasing sedimentation in mudflat environments
244(27)
Introduction
244(1)
Philosophy of encouraging fine sediment deposition
245(1)
Methods of increasing natural sedimentation
246(8)
Increasing wave attenuation with vegetation
254(10)
Impacts associated with increasing natural sedimentation
264(4)
Benefits of increased coastal sedimentation
268(1)
Intertidal mudflats and sea level rise
268(1)
Summary
269(2)
Managed realignment
271(30)
Introduction
271(2)
Rationale of giving land back to the sea
273(7)
Methods and environmental factors in managed realignment
280(10)
Storm breaches: a natural analogue to managed realignment
290(3)
Impacts associated with managed realignment
293(1)
Economics of managed realignment
294(2)
Managed realignment and sea level rise
296(2)
Summary
298(3)
PART IV Coastal defences in a changing environment 301(25)
Coastal defences revisited
303(8)
Introduction
303(1)
Common problems with coastal defences
304(2)
Developed coastlines: a location for `staged retreat'?
306(1)
Undeveloped coastlines: planning and insurance - true costing in coastal areas?
307(2)
Summary
309(2)
Coastal defences in the future
311(15)
Introduction
311(1)
Sea level rise and the hard versus soft debate
312(3)
Public perception of hard and soft defences
315(4)
Where is coastal defence going?
319(4)
Summary
323(3)
References 326(29)
Subject index 355(7)
Geographical index 362

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