Chapter 4. Substantially enhanced discussion of flow over stepped spill-
ways.
Chapter 5. Extended treatment of scour in plunge pools.
Chapter 6. Enlarged treatment of hydrodynamic forces acting on low
and high-head gates and new sections dealing with cavita-
tion, aeration and vibrations of gates and automation,
control and reliability.
Chapter 7. Increased coverage of integrated risk analysis/management
and contingency/emergency planning in dam safety.
Chapter 9. Inclusion of barrages with raised sill.
Chapter 12. New text on small hydraulic power development and tidal
and wave power.
Chapter 14. More detailed treatment of wave breaking, wave statistics
and pipeline stability.
Chapter 15. Enhanced treatment of beach profile and wave/structure
interaction and a new section on coastal modelling.
Chapter 16. Enlarged discussion of mathematical, numerical and compu-
tational models in hydraulic engineering.
In order not to increase the size of the book unduly some less relevant
material has been omitted (particularly in Ch. 12).
P. Novak, A.I.B. Moffat and R. Narayanan
Newcastle upon Tyne, June 2006
xii PREFACE