Annual Report for 2010/11 and Forward Programme - Sellafield Ltd

of artefacts affecting the original dataset, at a similar scale to the features we weretrying to identify.3. Without information on mobile bedforms it was not possible to deduce sedimenttransport directions and pathways from these data, or of the depth of the seabedinfluenced by these bedforms (to deduce potential burial depths of radioactiveparticles).4. A comparison of the 2009 swath and 2002 single-beam surveys suggested somechanges in the position of gross features but the significant difference in coverage(~100% vs.