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North West Mediterranean modelled seabed shear stress (90th percentile)

Seabed shear stress (in N.m-2) is a measure of the friction of water on the seabed due to waves and currents. The 90th percentile over the available period is used as layer for habitat models prediction.

Simple

Date ( Publication )
2010-02-01T00:00:00
Identifier
https://sextant.ifremer.fr/eng/Data/Catalogue#/metadata/0364bd13-ed7a-4b33-95d8-b0237035ac7b
Presentation form
Digital map
Credit
Ifremer
Credit
EMODnet Seabed habitats
Status
Completed
Resource provider
Ifremer - Mickael Vasquez
Author
Ifremer - Aurelie Rivier
Publisher
Ifremer - Sandrine Vaz
Maintenance and update frequency
As needed
Thèmes Sextant ( Theme )
  • /Physical Environment/Hydrodynamics/Swell
  • /Physical Environment/Hydrodynamics/Currents
GEMET - INSPIRE themes, version 1.0 ( Theme )
  • Oceanographic geographical features
DCSMM : Descripteurs ( Theme )
  • D6: Sea-floor Integrity
  • D7: Hydrographical Conditions
  • D1: Coastal benthic habitats
  • D1: Deep-sea benthic habitats
Sous-regions marines ( Place )
  • Western Mediterranean
Thématiques - SIMM ( Theme )
  • /Environmental Status/Hydrodynamics
  • Research
  • /Environmental Status/Habitats
Type de jeux de donnée ODATIS ( Theme )
  • /Processed data/Composite products
Use limitation
CC-BY-NC-SA (Creative Commons - Attribution, No commercial usage, Sharing under the same conditions)
Access constraints
Other restrictions
Other constraints
Cite Rivier A., 2010. Evaluation de l'action de la houle et du courant sur les fonds marins dans le cadre de la réalisation de cartographie d'habitats marins. Ifremer internal report.
Spatial representation type
Grid
Metadata language
en
Character set
UTF8
Topic category
  • Oceans
Environment description
Microsoft Windows XP ; ESRI ArcGIS 9.x
Date
N
S
E
W
thumbnail


Begin date
2007-06-01
End date
2009-04-30
Begin date
2001-01-01
End date
2001-12-31

Vertical extent

Reference system identifier
4326
Number of dimensions
2
Dimension name
Vertical
Dimension size
0
Dimension name
Time
Cell geometry
surface
Transformation parameter availability
No

Distributor

Distributor
Ifremer - Centre de Brest
OnLine resource
Seabed_stress_Pct90_NWMed ( OGC:WMS )
Protocol
COPYFILE
Name
Seabed_stress_Pct90_NWMed
Hierarchy level
Dataset
Statement

Seabed shear stress was estimated using hydrodynamic models of the whole Mediterranean bassin or limited to the north-west Mediterranean. Analysed period includ 2001 and June 2007 to April 2009 (limited to available wave data periods)

In the North-west Mediterranean, current fields were generated using 3D MEDNOR hydrodynamic model with a 1x1km spatial resolution and 3h time resolution.

Wave significant height, peak frequency, peak direction and bathymetry were estimated using the MED01DEG model at 0.1° spatial resolution over 3h time steps.

The methodology is detailed in Rivier, 2010. Rugosity length was set to 0.1 mm.

Rivier A., 2010. Evaluation de l'action de la houle et du courant sur les fonds marins dans le cadre de la réalisation de cartographie d'habitats marins. Ifremer internal report.

Description
The 90th percentile of seabed shear stress was computed over the available period to illustrate the largest shear stress values exerted on the seabed as a result of waves and currents. The regular grid of seabed shear stress was transformed in geotif flayer.
Description
Rivier A., 2010. Evaluation de l'action de la houle et du courant sur les fonds marins dans le cadre de la réalisation de cartographie d'habitats marins. Ifremer internal report.
File identifier
0364bd13-ed7a-4b33-95d8-b0237035ac7b XML
Metadata language
en
Character set
UTF8
Hierarchy level
Dataset
Date stamp
2021-08-30T13:28:56
Metadata standard name
ISO 19115:2003/19139 - SEXTANT
Metadata standard version
1.0
Point of contact
Ifremer - Sextant
Point of contact
Ifremer - Sandrine Vaz
Point of contact
Ifremer - Mickael Vasquez
 
 

Overviews

overview

Spatial extent

N
S
E
W
thumbnail


Keywords

DCSMM : Descripteurs
D1: Coastal benthic habitats D1: Deep-sea benthic habitats D6: Sea-floor Integrity D7: Hydrographical Conditions
GEMET - INSPIRE themes, version 1.0
Oceanographic geographical features
Thèmes Sextant
/Physical Environment/Hydrodynamics/Currents /Physical Environment/Hydrodynamics/Swell
Thématiques - SIMM
/Environmental Status/Habitats /Environmental Status/Hydrodynamics Research
Type de jeux de donnée ODATIS
/Processed data/Composite products

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