During mid tide when tidal currents tend to reach their maximum speeds sediment movement is mainly controlled by these currents but wave action may also be a factor especially when the water is shallow during low tide and small bed forms ripples are commonly developed the sediments of this main zone of inter tidal flats often consist of. Waves tides and shallow water processes open university on amazoncom free shipping on qualifying offers waves tides and shallow water processes completely revised and updated for its second edition this volume belongs to the open university series on oceanography it is designed so that it can be read on its own or studied as part . Completely revised and updated for its second edition this volume belongs to the open university series on oceanography it is designed so that it can be read on its own or studied as part of the open university third level course s330 oceanography the book begins by describing the characteristics of waves and tides and their behaviour in shallow water. Waves tides and shallow water processes second edition open university completely revised and updated for its second edition this volume belongs to the open university series on oceanography