6ccb942d-60a5-49e0-9d4c-ae41d6d109a7 English series series 2026-04-07T15:49:40 MEDIN 3.1.2 geoscientificInformation oceans Side-scan sonar SeaDataNet Parameter Discovery Vocabulary 2023-12-12 revision Geotechnics SeaDataNet Parameter Discovery Vocabulary 2023-12-12 revision Bathymetry and Elevation SeaDataNet Parameter Discovery Vocabulary 2023-12-12 revision Horizontal velocity of the water column (currents) SeaDataNet Parameter Discovery Vocabulary 2023-12-12 revision Post-Construction monitoring The Crown Estate Renewable Energy Development Phases 2012-05-15 revision Renewable Energy Lease area The Crown Estate Renewable Energy Development Areas 2012-05-15 revision Elevation GEMET - INSPIRE themes, version 1.0 2009-07-31 revision SeaDataNet sea areas 2012-11-07 revision English Channel 2013-11-28T00:00:00 2014-06-19T00:00:00 1.831959 2.023934 51.730637 51.981616 2.58 38.90 TCE-438 Marine Data Exchange 2013-2014, HR Wallingford, Greater Gabbard, Post-Installation Scour Assessment Post-Installation Scour Assessment 2021-05-17T13:37:51 publication English SSE Offshore Wind Generation requested HR Wallingford to perform a scour review based on the 2013 inter-array cable survey data at the Greater Gabbard Offshore Wind Farm (OWF). The survey data was assessed at every turbine location to provide descriptive scour parameters and to provide a baseline description for future asset management. As part of the existing licence agreement with the Marine Management Organisation, SSE is required to perform yearly (for up to three years) high-resolution swath-bathymetry surveys of the OWF cable route in order to assess the extent of any changes in morphology relative to the pre-construction baseline survey. HR Wallingford has previously investigated whether apparent magnitude of seabed movements observed in the 2013 survey data had a physical basis or were attributable to inaccuracies and errors in surveying and/or GPS positioning. The results of this study demonstrated that the 2013 survey data was subject to a total vertical uncertainty of ±0.35 m. The total vertical uncertainty (TVU) is defined by the International Hydrographic Organisation (2008) as that component of the total propagated uncertainty (TPU) in the vertical dimension, where TPU is the result of uncertainty propagation, when all contributing measurement uncertainties, both random and systematic, have been included in the propagation. The report presented analysis of bed level movements across the wind farm array cable routes. The current report evaluates the foundation scour development using the same data. There will be no limitations when published on the Marine Data Exchange otherRestrictions Data Must be used in accordance to the Marine Data Exchange's Terms of Use: https://www.marinedataexchange.co.uk/content/info/terms-of-use otherRestrictions The Crown Estate +44 020 7851 5000 enquiries@thecrownestate.co.uk custodian HR Wallingford Group Ltd. +44 (0) 1491 835381 info@hrwallingford.co.uk originator The Crown Estate +44 020 7851 5000 enquiries@thecrownestate.co.uk distributor RWE Renewables UK Swindon Limited support@rwe.com owner asNeeded Database Delimited Documents Geographic Information System https://www.marinedataexchange.co.uk/details/TCE-438/summary A link to the web service or dataset. https://www.marinedataexchange.co.uk A link to the general host site. Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services 2010-12-08T00:00:00 publication Conformity with the Commission Regulation (EU) No 1089/2010 was either not relevant to this dataset or not a requirement of the Marine Data Exchange for the creation and submission of this dataset; therefore, conformity has not been assessed and cannot be declared False series All data subsequently employed for analysis have been processed to provide a consistent projection and vertical datum. Data is plotted to a common coordinate system and datum (WGS 84, UTM Zone 31N and LAT based on VORF) and analysed using ArcGIS. EBR5209-RT001-R02-00_Validation Of 2013 Bathymetry Survey Data EBR5209-RT003-R03-00_Post-Installation Scour Assessment (2013 Survey) EBR5209-RT004-R02-00_Scour assesment based on first annual survey (2013) EBR5209-RT005-R02-00_Substation Scour Review EBR5209_GGOWF_May2013_Appendix_B_GIS_IG EBR5209_GGOWF_May2013_Appendix_C_GIS_GA SSE Renewables +44 (0)141 226 8916 info@sserenewables.com pointOfContact EPSG Geodetic Parameter Registry 2022-12-12 revision WGS 84 / UTM zone 31N