This HTML5 document contains 20 embedded RDF statements represented using HTML+Microdata notation.

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Namespace Prefixes

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n9	http://vocab.nerc.ac.uk/standard_name/ocean_tracer_xy_biharmonic_diffusivity/
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owl	http://www.w3.org/2002/07/owl#
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n14	http://mmisw.org/ont/cf/parameter/
n2	http://vocab.nerc.ac.uk/collection/P07/current/CF12N565/
n15	http://vocab.nerc.ac.uk/collection/P64/current/G915/

Statements

Subject Item

n2:

rdf:type

skos:Concept

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owl:sameAs

n9: n14:ocean_tracer_xy_biharmonic_diffusivity

skos:prefLabel

ocean_tracer_xy_biharmonic_diffusivity

dcterms:identifier

SDN:P07::CF12N565

dc:identifier

SDN:P07::CF12N565

dcterms:date

2009-07-06 15:41:29.0

skos:definition

Diffusivity is also sometimes known as the coefficient of diffusion. Diffusion occurs as a result of a gradient in the spatial distribution of mass concentration, temperature or momentum. The diffusivity may be very different in the vertical and horizontal directions. "xy diffusivity" means the lateral along_coordinate component of diffusivity due to motion which is not resolved on the grid scale of the model. xy diffusivities are used in some ocean models to counteract the numerical instabilities inherent in certain implementations of rotated neutral diffusion. "biharmonic diffusivity" means diffusivity for use with a biharmonic diffusion operator.

skos:notation

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2009-07-06 15:41:29.0

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