Sharing and Promoting Data

Ifremer developed Sextant, the data infrastructure for marine environments, in 1999 to meet its own needs. Since 2006, Sextant has been accessible online and can therefore be used by all of Ifremer's partners, and by the general public. Since 2008, Sextant has continued to evolve within the framework of the INSPIRE directive.

Sextant aims to manage, share and retrieve a catalogue of referential data from marine environments. Sextant is therefore a support for marine studies and decision-making in environmental issues such as biodiversity, marine renewable energy, coastal management, fishing, coastal and deep-sea environments, exploration and exploitation of the seabed, etc.

This approach is perfectly adapted to the implementation of the "Grenelle de la Mer" Marine Environmental summit and its continuation within the European commission's Green Paper "Marine Knowledge 2020".

Sextant functions

Three data access services from Sextant.

Sextant offers a metadata catalogue service, a visualisation service, and data download service.

The Metadata Catalogue: Search for data

  • A catalogue which conforms to the Inspire directive, ISO standards and the OGC's CSW interface

Geoviewer: View data

  • Data display via the OGC's WMS protocol

Basket: Download data

  • Data made available via OGC's WFS and WCS protocols

Begin by exploring the metadata catalogue and then go on to view and/or download the data.

Access to data is generated directly by the data provider according to three levels of accessibility: 1) the metadata alone is accessible; 2) the data is visible via Geoviewer; 3) the data is available to download. These three accessibility levels of information can be limited to a specific group (by personal identification and password protection), or can be entirely accessible to the general public.