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For the complete list where we have to get names from, or have them added to is: http://cf-pcmdi.llnl.gov/documents/cf-standard-names/
This table is under construction, please fill in any missing UD units or CF standard names, using on the CF guidelines for construction of names . For the lay-out of SWAN netCDF files where these standard names will appear, refer to the Spectral grids page of this wiki.

OVKEYW

OVSNAM

OVLNAM

OVUNIT

OVLLIM

OVULIM

OVEXCV

new: OVCFUD (UD units)

new: OVCFSN (standard name)

XP

Xp

X user coordinate

UL

-10000000000

10000000000

-10000000000

m

projection_x_coordinate,longitude

YP

Yp

Y user coordinate

UL

-10000000000

10000000000

-10000000000

m

projection_y_coordinate,latitude

DIST

Dist

distance along output curve

UL

0

10000000000

-99

 

 

DEP

Depth

Depth

UH

-100

100

-99

 

sea_floor_depth_below_sea_level

VEL

Vel

Current velocity

UV

-2

2

0

 

sea_water_x_velocity + sea_water_y_velocity alias: x_sea_water_velocity + y_sea_water_velocity

UBOT

Ubot

Orbital velocity at the bottom

UV

0

1

-10

 

 

DISS

Dissip

Energy dissipation

(in W/m2 or m2/s, depending on command INPUT.SET)

0

0.1

-9

 

 

QB

Qb

Fraction breaking waves

 

0

1

-1

 

 

LEA

Leak

Energy leak over spectral boundaries

m2/s

0

100

-9

 

 

HS

Hsig

Significant wave height

UH

0

10

-9

m

sea_surface_wave_significant_height alias: significant_height_of_wind_and_swell_waves, sea_surface_wind_wave_significant_height, alias: significant_height_of_wind_waves

TM01

Tm01

Average absolute wave period

UT

0

100

-9

 

sea_surface_wave_mean_period_from_variance_spectral_density_first_frequency_moment, sea_surface_wind_wave_mean_period_from_variance_spectral_density_first_frequency_moment

RTP

RTpeak

Relative peak period

UT

0

100

-9

 

 

DIR

Dir

Average wave direction

UDI

0

360

-999

degrees_true if nautical

sea_surface_wave_from_direction

PDI

PkDir

direction of the peak of the spectrum

UDI

0

360

-999

 

 

TDI

TDir

direction of the energy transport

UDI

0

360

-999

 

 

DSPR

Dspr

directional spreading

UDI

0

60

-9

 

 

WLEN

Wlen

Average wave length

UL

0

200

-9

 

 

STEE

Steepn

Wave steepness

 

0

0.1

-9

 

 

TRA

Transp

Wave energy transport

m3/s

-10

10

0

 

 

FOR

WForce

Wave driven force per unit surface

UF

-10

10

0

 

 

AAAA

AcDens

spectral action density

m2s

0

100

-99

 

 

EEEE

EnDens

spectral energy density

m2

0

100

-99

 

 

AAAA

Aux

auxiliary variable

 

-10000000000

10000000000

-10000000000

 

 

XC

Xc

X computational grid coordinate

 

0

100

-9

m

projection_x_coordinate,longitude

YC

Yc

Y computational grid coordinate

 

0

100

-9

m

projection_y_coordinate,latitude

WIND

Windv

Wind velocity at 10 m above sea level

UV

-50

50

0

m

wind_speed

FRC

FrCoef

Bottom friction coefficient

 

0

1

-9

 

 

RTM01

RTm01

Average relative wave period

UT

0

100

-9

 

 

EEEE

EnDens

energy density integrated over direction

m2

0

100

-99

 

 

DHS

dHs

difference in Hs between iterations

UH

0

1

-9

 

 

DRTM01

dTm

difference in Tm between iterations

UT

0

2

-9

 

 

TM02

Tm02

Zero-crossing period

UT

0

100

-9

s

sea_surface_wave_zero_upcrossing_period, sea_surface_wind_wave_zero_upcrossing_period, sea_surface_wave_mean_period_from_variance_spectral_density_second_frequency_moment, sea_surface_wind_wave_mean_period_from_variance_spectral_density_second_frequency_moment

FSPR

FSpr

Frequency spectral width (Kappa)

 

0

1

-9

 

 

URMS

Urms

RMS of orbital velocity at the bottom

UV

0

1

-9

 

 

UFRI

Ufric

Friction velocity

UV

0

1

-9

 

 

ZLEN

Zlen

Zero velocity thickness of boundary layer

UL

0

1

-9

 

 

TAUW

TauW

 

 

0

1

-9

 

 

CDRAG

Cdrag

Drag coefficient

 

0

1

-9

 

 

SETUP

Setup

Setup due to waves

m

-1

1

-9

 

 

TIME

Time

Date-time

 

0

1

-99999

 

 

TSEC

Tsec

Time in seconds from reference time

s

-100000

1000000

-99999

 

time

PER

Period

Average absolute wave period

UT

0

100

-9

 

sea_surface_wind_wave_period, alias: wind_wave_period

RPER

RPeriod

Average relative wave period

UT

0

100

-9

 

 

HSWE

Hswell

Wave height of swell part

UH

0

10

-9

 

sea_surface_swell_wave_significant_height alias: significant_height_of_swell_waves

sea_surface_swell_wave_period, alias: swell_wave_period

URSELL

Ursell

Ursell number

 

0

1

-9

 

 

ASTD

ASTD

Air-Sea temperature difference

K

-10

10

-99

 

 

TMM10

Tm_10

Average absolute wave period

UT

0

100

-9

 

sea_surface_wave_mean_period_from_variance_spectral_density_inverse_frequency_moment, sea_surface_wind_wave_mean_period_from_variance_spectral_density_inverse_frequency_moment

RTMM10

RTm_10

Average relative wave period

UT

0

100

-9

 

 

DIFPAR

DifPar

Diffraction parameter

 

-10

10

-99

 

 

TMBOT

TmBot

Bottom wave period

UT

0

100

-9

 

 

WATL

Watlev

Water level

UH

-100

100

-99

 

 

BOTL

Botlev

Bottom level

UH

-100

100

-99

 

 

TPS

TPsmoo

Relative peak period (smooth)

UT

0

100

-9

 

 

DISB

Disbot

Bottom friction dissipation

(in W/m2 or m2/s, depending on command INPUT.SET)

0

0.1

-9

 

 

DISSU

Dissrf

Wave breaking dissipation

(in W/m2 or m2/s, depending on command INPUT.SET)

0

0.1

-9

 

 

DISW

Diswcp

Whitecapping dissipation

(in W/m2 or m2/s, depending on command INPUT.SET)

0

0.1

-9

 

 

DISM

Dismud

Fluid mud dissipation

(in W/m2 or m2/s, depending on command INPUT.SET)

0

0.1

-9

 

 

WLENMR

Wlenmr

Average wave length with mud real part

UL

0

200

-9

 

 

KI

ki

Average wave number with mud imag part

rad/m

0

1

-9

 

 

MUDL

Mudlayer

Mudlayer thickness

UH

0

100

-99

 

 

VaDens

VaDens

spectral variance density

m2/Hz

0

100

-99

m2 s

sea_surface_wave_variance_spectral_density

integrated in sp1

VaDens

VaDens

spectral variance density

m2/Hz/degr

0

100

-99

m2 s degr-1

sea_surface_wave_directional_variance_spectral_density

per directional bin in sp2

Swind

Swind

wind source term

m2

0

100

-99

 

 

Swcap

Swcap

whitecapping dissipation

m2

0

100

-99

 

 

Sfric

Sfric

bottom friction dissipation

m2

0

100

-99

 

 

Smud

Smud

fluid mud dissipation

m2

0

100

-99

 

 

Ssurf

Ssurf

surf breaking dissipation

m2

0

100

-99

 

 

Snl3

Snl3

triad interactions

m2

0

100

-99

 

 

Snl4

Snl4

quadruplet interactions

m2

0

100

-99

 

 

KIMAG

KIMAG

Wave number with mud imag part

rad/m

NaN

NaN

NaN

 

 

KREAL

KREAL

Wave number with mud real part

rad/m

NaN

NaN

NaN

 

 

NDIR

 

 

 

 

 

 

s-1

 

CDIR

 

 

 

 

 

 

s-1

 

AFREQ

 

 

 

 

 

 

s-1

wave_frequency, sea_surface_wave_frequency

RFREQ

 

 

 

 

 

 

s-1

wave_frequency, sea_surface_wave_frequency

QP

 

peakedness of the wave spectrum (dimensionless).

 

 

 

 

 

 

BFI

 

Benjamin-Feir index (dimensionless).

 

 

 

 

 

 

PROPA

PROPAgat

sum of PROPXY, PROPTHETA and PROPSIGMA

(in W/m2 or m2/s, depending on command INPUT.SET).

 

 

 

 

 

 

 

PROPX

PROPXy

energy propagation in geographic space; sum of x- and y-direction, terms

(in W/m2 or m2/s, depending on command INPUT.SET).

 

 

 

 

 

 

 

PROPT

PROPTheta

energy propagation in theta space

(in W/m2 or m2/s, depending on command INPUT.SET).

 

 

 

 

 

 

 

PROPS

PROPSigma

energy propagation in sigma space

(in W/m2 or m2/s, depending on command INPUT.SET).

 

 

 

 

 

 

 

GENE

GENErat

total energy generation

(in W/m2 or m2/s, depending on command INPUT.SET).

 

 

 

 

 

 

 

GENW

GENWind

energy generation due to wind

(in W/m2 or m2/s, depending on command INPUT.SET).

 

 

 

 

 

 

 

REDI

REDIst

total energy redistribution

(in W/m2 or m2/s, depending on command INPUT.SET).

 

 

 

 

 

 

 

REDQ

REDQuad

energy redistribution due to quadruplets

(in W/m2 or m2/s, depending on command INPUT.SET).

 

 

 

 

 

 

 

REDT

REDTriad

energy redistribution due to triads

(in W/m2 or m2/s, depending on command INPUT.SET).

 

 

 

 

 

 

 

RADS

RADStr

energy transfer between waves and currents due to radiation stress

(in W/m2 or m2/s, depending on command INPUT.SET).

 

 

 

 

 

 

 

This table was generated with the (OpenEarthTools) Matlab code:

[D,D0] = swan_quantity % part of Openearth.eu[addrowcol(char(D0.OVKEYW),0,[-1 1],'|') char(D0.OVSNAM) addrowcol(char(D0.OVLNAM),0,[-1 1],'|') char(D0.OVUNIT) addrowcol(num2str(cell2mat(D0.OVLEXP')),0,[-1 1],'|') addrowcol(num2str(cell2mat(D0.OVHEXP')),0,[1],'|') addrowcol(num2str(cell2mat(D0.OVEXCV')),0,[1],'| | |')]
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