Title

Bathymetry and seafloor variables at 5-m resolution in the Lacaze-Duthiers Canyon, below130 m depth

Date (Creation)

2024-03-18

Date (Publication)

2025-03-25

Citation identifier

LD_Seafloor_variables_5m_under130m

Abstract

Seafloor variables were derived from the digital terrain models (DTMs) at a 5-m resolution for the entire canyon. The Lacaze-Duthiers Canyon was first delineated, and only data below 130 m depth were retained.

The dataset is composed of 15 variables : Bathymetry; Slope; Aspect; Curvature; Surface area to Planar area; Vector Ruggedness Measure (VRM) computed using 9, 25 and 49 pixels; and Bathymetric Position Index (BPI) calculated using windows of 3, 9, 11, 25, 49, 81, and 250 pixels.

This dataset was produced to assess the probable distribution of habitats (habitat suitability modeling) for cold-water corals in the Lacaze-Duthiers Canyon at different resolutions as part of the European H2020 project REDRESS (Restoration of Deep-Sea Habitats to Rebuild European Seas, https://redress-project.eu/, Grant Agreement No. 101135492).

This dataset is related to the article "Mapping and Conservation of Cold-Water Corals in the Lacaze-Duthiers Canyon for Transboundary Management", submitted to Mediterranean Marine Science by Fabri et al. in 2025.

Credit

Ifremer

Point of contact

Organisation name	Individual name	Electronic mail address	Role
IFREMER	Fabri Marie-Claire	Marie.Claire.Fabri@ifremer.fr	Author
IFREMER	Dreidemy Jeanne	jeannedrei@gmail.com	Author
IFREMER		sismer@ifremer.fr	Publisher

Thèmes Sextant

• /Milieu physique/Bathymétrie

GEMET - INSPIRE themes, version 1.0

• Caractéristiques géographiques océanographiques

Use limitation

CC-BY (Creative Commons - Attribution)

Access constraints

Copyright

Use constraints

Copyright

Other legal constraints

Cite the CALADU_2021 cruise (https://doi.org/10.17600/18001575)

Code

https://doi.org/10.17600/18001575

Association Type

Source

Initiative Type

Campaign

Code

https://doi.org/10.12770/f425108e-1b7d-4a3c-aae2-7942d42b56ca

Association Type

Cross reference

Code

https://doi.org/10.12770/1edf0153-b1d9-489f-9401-3592d5a3535f

Association Type

Cross reference

Code

https://doi.org/10.12770/0c56f019-5360-4676-b542-61b1e478b0d3

Association Type

Cross reference

Code

https://doi.org/10.12770/36301f2c-0a2b-4c64-bd81-aaa370366d4a

Association Type

Cross reference

Spatial representation type

Grid

Distance

10  meter

Language

English

Character set

UTF8

Topic category

• Oceans
• Environment

Begin date

2021-07-01

End date

2021-07-31

Unique resource identifier

EPSG:3395 Parallèle standard 42°30'N

Number of dimensions

0

Cell geometry

Area

Transformation parameter availability

Distribution format

Name	Version

OnLine resource

Protocol	Linkage	Name
COPYFILE		Bathymetry_seafloor_variables_5m

OnLine resource

Protocol	Linkage	Name
DOI	https://doi.org/10.12770/1cc30b12-ad4e-415f-8f1f-ad690e0c266c	Digital Object Identifier (DOI)

Hierarchy level

Dataset

Statement

Seafloor indices were derived from a DTM collected during CALADU_2021 cruise using Benthic Terrain Modeler extension in ArcMap 10.7 (ESRI).

https://coast.noaa.gov/digitalcoast/tools/btm.html

Source

• https://doi.org/10.12770/74492729-a034-42ee-a517-7037cda010b4

Metadata

File identifier

1cc30b12-ad4e-415f-8f1f-ad690e0c266c

Metadata language

Français

Character set

UTF8

Hierarchy level

Dataset

Date stamp

2025-04-10T15:41:32.148739Z

Metadata standard name

ISO 19115:2003/19139 - SEXTANT

Metadata standard version

1.0

Metadata author

Organisation name	Individual name	Electronic mail address	Role
IFREMER	Fabri Marie-Claire	Marie.Claire.Fabri@ifremer.fr	Author