The aim of this report is to carry out a further review of sediment monitoring data from built and currently being constructed offshore wind farms and produce recommendations on future sediment monitoring practices and procedures, which will be of particular benefit to Round 3 offshore wind farm development projects. This report builds on the results of an earlier study carried out in 2006 and 2007 and published on behalf of DECC, “Review of Round 1 sediment process monitoring data – lessons learnt” (DECC, 2008a). The specific objectives of this current study are:
- To enable the present evidence base, developed previously on behalf of DECC (DECC, 2008a), to be extended;
- To review the new information and consider any new lessons learnt; and
- To disseminate the findings to usefully inform the consents process facing new Round 3 projects.
Monitoring information and data were obtained from offshore wind farm managers, publicly available documents and record archives held by the authors. Information was collated in the form of reports, report summaries, survey and modelled data. The information was split into three technical categories of suspended sediments, seabed morphology and scour for further review.
Following the data review, any lessons learnt and recommendations for future sediment monitoring were made for each of the three categories. The recommendations made in the earlier study were also still found to be relevant.