Marine Digimap

• Summary
• What marine and coastal data are available?
• What does Marine Digimap provide?
• How can I get access to Marine Digimap?

Summary

Marine Digimap is part of the Digimap Collection of on-line mapping and data delivery facilities. Users are able to view maps through their web browser, save them for printing and download the marine and coastal data for use in GIS (geographical information systems).

What marine and coastal data are available?

The datasets available in Marine Digimap are shown in the table below

Raster Charts

Raster Charts is a raster GeoTIFF rendition from official International Hydrographic Organisation (IHO) chart producers. Raster Charts are derived from paper charts and chart panels, captured at the scale of compilation, and geo-referenced to the local coordinate reference system. These charts are ideal for general reference and backdrop mapping but are NOT for navigational use. The charts cover a broad range of scales, which fall into these internationally recognised usage bands:

• Overview - small scale (> 1:1,000,000 to 1:300,000)
• General - small to mid scale (1:200,000 to 1:100,000)
• Coastal - mid scale ( 1:100,000 to 1:50,000)
• Approaches - mid to large scale ( 1:50,000 to 1:15,000)
• Harbour - large scale ( 1:25,000 to 1:2,500)

More information: https://www.oceanwise.eu/data/raster-charts/

Marine Themes Vector

A key digital geographic information product depicting the UK marine and coastal zone environment. This rich vector dataset is provided in a number of Themes:

• Elevation
• Shipwrecks and Obstructions
• Industrial Facilities
• Transport
• Administrative and Management Units
• Geographical Regions
• Geology
• Tides and Tidal Currents

More information: https://www.oceanwise.eu/data/marine-themes/

Bathymetry: Marine Themes Digital Elevation Model (DEM)

The Marine Themes Digital Elevation Model (DEM) is a seabed surface model, comprising detailed and accurate data of the seabed.

The dataset utilises the most recent commercial single and multi-beam survey and lidar data available, with chart-derived data providing additional coverage.

More information: https://www.oceanwise.eu/data/dem/

What does Marine Digimap provide?

Marine Digimap provides the following:

• Marine Roam: an easy to use interface to allow you to view and print Marine Themes Vector data.
• Chart Roam: an easy to use interface that allows you to view and print Raster Charts.
• Marine Download: a simple data download facility which allows you to search for and download Raster Charts, Marine Themes Vector and Marine Themes Digital Elevation Model (DEM) data for your area of interest.
• On-line help: information on using Marine Digimap, understanding the marine data and how to use data in GIS software.

How can I get access to Marine Digimap?

Institutions who wish to access to the service will be required to pay an annual subscription and sign a licence agreement.

Marine Digimap is available free to all staff and students within a subscribing HE/FE institution. Individual user registration is required.

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