About: sea_surface_wave_mean_wavelength_from_variance_spectral_density_inverse_wavenumber

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About: sea_surface_wave_mean_wavelength_from_variance_spectral_density_inverse_wavenumber_moment Goto Sponge NotDistinct Permalink

An Entity of Type : skos:Concept, within Data Space : foodie-cloud.org, foodie-cloud.org associated with source document(s)

Attributes	Values
type	Concept
versionInfo	1
sameAs	sea_surface_wave_mean_wavelength_from_variance_spectral_density_inverse_wavenumber_moment sea_surface_wave_mean_wavelength_from_variance_spectral_density_inverse_wavenumber_moment
preferred label	sea_surface_wave_mean_wavelength_from_variance_spectral_density_inverse_wavenumber_moment (en)
Identifier	SDN:P07::05YLQ0LQ
dc:identifier	SDN:P07::05YLQ0LQ
Date	2023-02-06 17:17:13.0
definition	The wave directional spectrum can be written as a five dimensional function S(t,x,y,k,theta) where t is time, x and y are horizontal coordinates (such as longitude and latitude), k is wavenumber and theta is direction. S has the standard name sea_surface_wave_directional_variance_spectral_density. S can be integrated over direction to give S1= integral(S dtheta) and this quantity has the standard name sea_surface_wave_variance_spectral_density. Wavenumber is the number of oscillations of a wave per unit distance. Wavenumber moments, M(n) of S1 can then be calculated as follows: M(n) = integral(S1 k^n dk), where k^n is k to the power of n. The inverse wave wavenumber, k(m-1), is calculated as the ratio M(-1)/M(0). The wavelength is the horizontal distance between repeated features on the waveform such as crests, troughs or upward passes through the mean level. (en)
notation	SDN:P07::05YLQ0LQ
alternative label
owl:deprecated	false
note	accepted (en)
void:inDataset	http://vocab.nerc.ac.uk/.well-known/void
has related	http://vocab.nerc.ac.uk/collection/P06/current/ULAA/
http://purl.org/pav/authoredOn	2023-02-06 17:17:13.0
http://purl.org/pav/hasCurrentVersion	http://vocab.nerc.ac.uk/collection/P07/current/05YLQ0LQ/1/
http://purl.org/pav/version	1
is has member of	Climate and Forecast Standard Names

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