ef61792f-5297-4087-8304-f116066ac212 English dataset United Kingdom Hydrographic Office customerservices@ukho.gov.uk pointOfContact 2025-06-27 MEDIN 3.1.2 WGS 84 20121205 - HI1398 - Thames Estuary - Long Sand Head - 1m - Bathymetric Survey 2022-03-23 publication ef61792f-5297-4087-8304-f116066ac212 This processed bathymetric data set has been derived from an Echosounder - multibeam survey. The source data was collected, validated and processed for the purpose of Safety Of Life At Sea (SOLAS). The data set must not be used for navigation or to create products that could be used for navigation. Netsurvey customerservices@ukho.gov.uk originator United Kingdom Hydrographic Office customerservices@ukho.gov.uk custodian United Kingdom Hydrographic Office customerservices@ukho.gov.uk distributor Maritime and Coastguard Agency customerservices@ukho.gov.uk owner notPlanned Elevation GEMET - INSPIRE themes, version 1.0 2009-07-30 creation Marine Environmental Data and Information Network MEDIN metadata record availability 2012-01-10 revision Bathymetry and Elevation SeaDataNet Parameter Discovery Vocabulary 2006-09-29 revision Marine Environmental Data and Information Network MEDIN metadata record availability 2012-01-10 revision otherRestrictions There are no limitations on public access to spatial data sets and services. otherRestrictions Open Government License The Supplied Material is not to be used for Navigation or to create products that could be used for Navigation. 1 English UTF-8 elevation 1.5172637 1.6664205 51.7660686 51.8441798 2012-10-06 2012-12-05 -26.25 -0.61 Geographic Information System Delimited https://seabed.admiralty.co.uk Seabed Mapping Service download dataset 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 2010-12-08 publication false This data set has been derived from an Echosounder - multibeam survey which was collected for the purpose of Safety of navigation, which was collected against S-44 survey specification (of the time). The survey has been validated and processed by the UKHO.