CEFAS9fbfca53-d56b-4d91-8da7-a2914e9f591a English dataset Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) Cefas Lowestoft Laboratory Pakefield Road Lowestoft Suffolk NR33 0HT UK data.manager@cefas.co.uk pointOfContact 2023-02-06T01:20:18 EPSG Geodetic Parameter Registry 2022-01-07 revision WGS 84 / UTM zone 20N DPLUS0045 Anguilla Satellite Derived Bathymetry 2m 2019-02-01 publication 2023-02-06 revision 2018-08-29 creation CEFAS19315 https://data.cefas.co.uk Satellite derived bathymetry data created as part of the Darwin Plus funded project "Mapping Anguilla’s ‘Blue Belt’ Ecosystem Services". The project develops local capacity to undertake comprehensive marine resource assessments of Anguilla’s ‘Blue-Belt’, delivering best practice guidance for combining satellite and acoustic surveys, to extend mapping into deeper waters for the first time. Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) Cefas Lowestoft Laboratory Pakefield Road Lowestoft Suffolk NR33 0HT UK data.manager@cefas.co.uk originator Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) Cefas Lowestoft Laboratory Pakefield Road Lowestoft Suffolk NR33 0HT UK data.manager@cefas.co.uk custodian Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) Cefas Lowestoft Laboratory Pakefield Road Lowestoft Suffolk NR33 0HT UK data.manager@cefas.co.uk distributor notPlanned Bathymetry and Elevation SeaDataNet P02 parameter discovery vocabulary 2011-03-25 revision Coastal environment Ecology Remote Sensing GEMET, version 1.0 2008-06-01 publication Habitat SeaDataNet P03 parameter discovery vocabulary 2011-03-25 revision Habitats and biotopes GEMET - INSPIRE themes, version 1.0 2008-06-01 publication Infralittoral SeaVoX Vertical Co-ordinate Coverages 2010-05-18 revision Marine Environmental Data and Information Network MEDIN metadata record availability 2012-01-11 publication data.gov.uk MEDIN metadata record availability 2012-01-11 publication otherRestrictions noLimitations otherRestrictions Public data - no limitations to reuse 2 English environment -70.00 -60.00 10.00 20.00 2016-09-04 2017-01-31 Binary Unknown https://data.cefas.co.uk/view/19315 Cefas Data Portal download The Cefas Data Portal contains metadata records and data sets available to download and connect to in support of our commitment to open science. Data is available in the following formats: Binary download. dataset INSPIRE Data Specification on Habitats and Biotopes – Technical Guidelines 2013-12-10 publication false See the referenced specification 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 true See the referenced specification Satellite derived bathymetry (SDB) works by creating a relative depth map from the difference in the attenuation of blue and green wavelength light through water. As green light attenuates faster than blue the ratio between the two is used to calculate the relative depth. The relative depths are then tied to real depths (from the MBES survey) to create a bathymetry map. Data from the Pleiades 1A sensor was purchased for Anguilla at a resolution of 2m by 2 m. The pre-processing and processing of the data was undertaken by Environment Systems and Newcastle University. After the data had been standardised the bathymetry was derived using a method developed by Stumpf* et al.* (2003)[1] utilising the ratio between the differences in the attenuation of green and blue light. The map was then depth corrected to points taken from the MBES data collected as part of this project and from point depth samples collected around the island during a separate survey. [1] Stumpf, R.P., Holderied, K. and Sinclair, M. (2003) 'Determination of water depth with high-resolution satellite imagery over variable bottom types', Limnology and Oceanography, 48(1; NUMB 2), pp. 547-556. MEDIN 3.1.1