Table of Contents 7


7.1 7.2 7.3


7.3.1 7.3.2 7.3.3


7.4


7.4.1 7.4.2 7.4.3 7.4.4 7.4.5


7.5


7.5.1 7.5.2 7.5.3 7.5.4 7.5.5 7.5.6 7.5.7


7.6


Marine Geology, Oceanography and Physical Processes ................................1 Introduction .................................................................................................1 Consultation.................................................................................................2


Scope ...........................................................................................................5 Study Area.............................................................................................................5 Worst Case............................................................................................................5


Embedded Mitigation Specific toMarine Geology, Oceanography and Physical Processes ............................................................................................................17


Assessment Methodology........................................................................... 18 Legislation, Policy and Guidance ........................................................................18 Data Sources.......................................................................................................21 Impact Assessment Methodology ......................................................................23 Cumulative Impact Assessment..........................................................................31 Transboundary Impact Assessment ...................................................................31


Existing Environment .................................................................................. 32 Data and Information Sources............................................................................32 Bathymetry and Morphology .............................................................................33 Geology...............................................................................................................33 Water Levels .......................................................................................................34 Currents ..............................................................................................................35 Wind and Wave Regimes....................................................................................35 Sediment Regime................................................................................................36


Potential Impacts........................................................................................ 38


Preliminary Environmental Information May 2014


East Anglia THREE Offshore Windfarm


Chapter 7 Marine Geology Marine Geology, Oceanography and Physical Processes


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