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Wave exposure index at the sea surface - Norway

Wave exposure (m2/s) was modelled, with a spatial resolution of 25 m, as an index using data on fetch (distance to nearest shore, island or coast), averaged wind speed and wind frequency (estimated as the amount of time that the wind came from one of 16 direction). Data on wind speed and direction were delivered by the Norwegian Meteorological Institute and averaged over a 10-year period (i.e. 1995-2004). The model is run using the program WaveImpact based on the method ÔÇ£Simplified Wave ModelÔÇØ (SWM) developed and described by Is├ªus (2004). The method is a fetch model, where the fetch values are adjusted to simulate refraction and diffraction effects. The estimated fetch values for each of the 16 directions are multiplied with the average wind speed in the given direction.



The model has been run by NIVA for the whole Norwegian coast, and has been used as part of the habitat modelling of the National program for mapping biodiversity ÔÇô coast (Bekkby et al. 2013). The model has also been applied in several research projects in Norway (e.g. Bekkby et al. 2008, 2009, 2014, 2015, Bekkby & Moy 2011, Norderhaug et al. 2012, 2014, Pedersen et al. 2012, Rinde et al. 2014). The model has also been run for Sweden (e.g. Eriksson et al. 2004), Finland (Is├ªus & Rygg 2005), the Danish region of the Skagerrak coast and the Russian, Latvian, Estonian, Lithuanian and German territories of the Baltic Sea (Wijkmark & Is├ªus 2010). The wave exposure values range from Ultra sheltered to Extremely exposed (cf Wijkmark & Is├ªus 2010, similar to the EUNIS system of Davies & Moss 2004).

Simple

Date (Publication)
2019-12-05
Date (Creation)
2004-01-01
Citation identifier
EMODnet Seabed Habitats / swmcorrny_WGS84
Point of contact
Organisation name Individual name Electronic mail address Role

NIVA

trine.bekkby@niva.no

Distributor

GEMET - INSPIRE themes, version 1.0

  • Oceanographic geographical features

Bekkby et al. 2013

  • OCEAN WAVES

Use limitation

Viewable on the EMODnet Seabed Habitats portal, but not downloadable.



Please contact NIVA Norway for use of modelled product.

Distance
25  km
Language
English
Topic category
  • Oceans
N
S
E
W
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Begin date
1995
End date
2004
Reference system identifier
WGS84
Distribution format
Name Version

TIFF

1

OnLine resource
Protocol Linkage Name
http://www.emodnet-seabedhabitats.eu/
Hierarchy level
Dataset

Conformance result

Title

1

Date (Publication)
Explanation

COMMISSION REGULATION (EC) No 1205/2008 of 3 December 2008 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards metadata

Pass
Statement

More information on methodology available from EMODnet Seabed habitats :

Metadata

File identifier
513f5c70-22d0-49d6-bc1c-8b378a2ff30f XML
Metadata language
English
Character set
MD_CharacterSetCode_utf8
Hierarchy level
Dataset
Date stamp
2020-04-27T09:56:19
Metadata standard name

ISO19115

Metadata standard version

2003/Cor.1:2006

Metadata author
Organisation name Individual name Electronic mail address Role

Joint Nature Conservation Committee

euseamap@jncc.gov.uk

Point of contact
 
 

Overviews

Spatial extent

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Keywords

GEMET - INSPIRE themes, version 1.0

Oceanographic geographical features


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