PMIP 2 Home  >  Experimental design  >  Variables  >  Ocean

PMIP 2 Ocean Variables

 

Coordinator(s) Updated
Olivier Marti / LSCE 03/10/2005

 

Note: the list of required variables is not stable yet. You will find in the tables below the variables that are likely to be found in the database, and the variables that were suggested as useful but did not make it to the final list.

 

Required variables

Name(s) Units Description Axes Frequency DB
DA MO SE AN
2D oceanic variables - Mandatory
[sos]
sea_surface...
..._salinity		 1e-3 Ocean surface salinity XYT   O O   A2
tos
sea_surface...
..._temperature		 K Sea surface temperature XYT   O O   O1c2
zmlo
ocean_mixed_layer...
..._thickness		 m Mixed layer depth XYT   O O   O1f1
stfbarot
ocean_barotropic_...
...streamfunction		 m3 s-1 Oceanic barotropic stream function XYT   O O   O1c8
zos
sea_surface_height...
..._above_geoid		 m Sea surface elevation XYT   O O   O1c1
[uos]
sea_surface...
..._eastward...
..._sea_water...
..._velocity		 m s-1 Eastward surface current XYT   O O    
[vos]
sea_surface...
..._northward...
..._sea_water...
..._velocity		 m s-1 Northward surface current XYT   O O    
Number of variables: 7
Estimated database size
MO: 7     922.9 Mb / 100 year(s)
SE: 7     9.2 Mb
DB STORAGE REQUIRED = 0.9 Gb
 
Surface fluxes on ocean grid - Mandatory
[hfo]
[surface_downward...
..._heat_flux...
..._in_sea_water]		 W m-2 Total surface heat flux (+ down) XYT   O O    
[wfofs ?]
[water_flux...
..._into_ocean...
...for_free_surface ?]		 kg m-2 s-1 Fresh water flux (volume for free surface) XYT   O O    
wfo
water_flux...
..._into_ocean		 kg m-2 s-1 Fresh water flux (precipitation minus evaporation, plus runoff, melting of sea ice and any water flux correction calculated considering only the ocean-portion of each grid cell) XYT   O O   01c9
[tauu]
surface_downward...
..._eastward_stress		 Pa Eastward momentum flux at ocean surf. XYT   O O   A1a6
[tauv]
surface_downward...
..._northward_stress		 Pa Northward momentum flux at ocean surf. XYT   O O   A1a7
Number of variables: 5
Estimated database size
MO: 5     659.2 Mb / 100 year(s)
SE: 5     6.6 Mb
DB STORAGE REQUIRED = 0.7 Gb
 
Upper ocean characteristics - Recommended
[ziso20]
[depth]		 m Depth of 20 C isotherm XYT   O O    
[hcont300]
[heat_content...
..._of_ocean_layer]		 m K Heat content of upper 300 meters XYT   O O    
Number of variables: 2
Estimated database size
MO: 2     263.7 Mb / 100 year(s)
SE: 2     2.6 Mb
DB STORAGE REQUIRED = 0.3 Gb
 
3D variables, thermodynamics - Mandatory
thetao
sea_water...
..._potential...
..._temperature		 K Ocean potential temperature XYZT     Zn   O1e2
so
sea_water...
..._salinity		 1e-3 Ocean salinity XYZT     Zn   O1e1
Number of variables: 2
Estimated database size
SE-3D-25: 2     65.9 Mb
DB STORAGE REQUIRED = 0.1 Gb
 
3D variables, dynamics - Mandatory
uo
eastward...
..._sea_water...
..._velocity		 m s-1 Eastward current velocity XYZT     Zn   O1e4
vo
northward...
..._sea_water...
..._velocity		 m s-1 Northward current velocity XYZT     Zn   01e5
wo
upward...
..._sea_water...
..._velocity		 m s-1 Vertical current velocity (+ up) XYZT     Zn   01e6
Number of variables: 3
Estimated database size
SE-3D-25: 3     98.9 Mb
DB STORAGE REQUIRED = 0.1 Gb
 
Zonal means - Recommended
[thetaozm]
sea_water...
..._potential...
..._temperature		 K Zonal mean ocean potential temperature YZRT     ZonR ZonR A2
[sozm]
sea_water...
..._salinity		 1e-3 Zonal mean ocean salinity YZRT     ZonR ZonR A2
Number of variables: 2
Estimated database size
SE-ZON-25-REG-4: 2     1.1 Mb
SE-ZON-25-REG-4: 2     9.2 Mb / 100 year(s)
DB STORAGE REQUIRED = 0.0 Gb
 
Meridional stream functions - Mandatory
This is a volume stream function. The unit does not include mass.
The stream function should include all effects : eulerian velocities and eddy induced velocities (Gent-McWilliams type parameterization)
stfmmc
ocean_meridional...
..._overturning...
..._streamfunction		 m3 s-1 Mean meridional stream function YZRT     ZonR ZonR O1b1
Number of variables: 1
Estimated database size
SE-ZON-25-REG-4: 1     0.5 Mb
SE-ZON-25-REG-4: 1     4.6 Mb / 100 year(s)
DB STORAGE REQUIRED = 0.0 Gb
 
Northward heat transport - Mandatory
Heat transport should include all effects : eulerian velocities, eddy induced velocities (Gent-McWilliams type parameterization) and turbulent diffusivity
hfogo
northward_ocean...
..._heat_transport		 W Oceanic northward heat transport YRT     YR YR O1a1
Number of variables: 1
Estimated database size
SE-Y-REG-4: 1     0.0 Mb
SE-Y-REG-4: 1     0.2 Mb / 100 year(s)
DB STORAGE REQUIRED = 0.0 Gb
 
Northward salt transport - Mandatory
Salt transport should include all effects : eulerian velocities, eddy induced velocities (Gent-McWilliams type parameterization) and turbulent diffusivity
[sltov]
northward_ocean...
..._salt_transport		 kg s-1 Oceanic northward salt transport: global YRT     YR YR O1f5
O1f6
O1f7
Number of variables: 1
Estimated database size
SE-Y-REG-4: 1     0.0 Mb
SE-Y-REG-4: 1     0.2 Mb / 100 year(s)
DB STORAGE REQUIRED = 0.0 Gb
 
Compound variables - Optional
[mpuoto]
[product_of...
..._eastward_current...
..._and_temperature]		 m s-1 K Mean product of eastward current and temperature XYZT     Zn    
[mpvoto]
[product_of...
..._northward_current...
..._and_temperature]		 m s-1 K Mean product of northward current and temperature XYZT     Zn    
[mpuoso]
[product_of...
..._eastward_current...
..._and_salinity]		 m s-1 PSU Mean product of eastward current and salinity XYZT     Zn    
[mpvoso]
[product_of...
..._eastward_current...
..._and_temperature]		 m s-1 PSU Mean product of northward current and salinity XYZT     Zn    
[mpuoeito]
[product_of...
..._eastward...
..._eiv_current...
..._and_temperature]		 m s-1 K Mean product of eastward EIV velocity and temperature XYZT     Zn    
[mpvoeito]
[product_of...
..._northward...
..._eiv_current...
..._and_temperature]		 m s-1 K Mean product of northward EIV velocity and temperature XYZT     Zn    
[mpuoeiso]
[product_of...
..._eastward...
..._eiv_current...
..._and_salinity]		 m s-1 PSU Mean product of eastward EIV velocity and salinity XYZT     Zn    
[mpvoeiso]
[product_of...
..._northward...
..._eiv_current...
..._and_salinity]		 m s-1 PSU Mean product of northward EIV velocity and salinity XYZT     Zn    
Number of variables: 8
Estimated database size
SE-3D-25: 8     263.7 Mb
DB STORAGE REQUIRED = 0.3 Gb
 

Notes

Comments

Rejected variables

Name(s) Units Description Axes Frequency DB
DA MO SE AN
Variables moved to the ice Variables' list
sea_area_fraction % Sea ice fraction XYT          
Number of variables: 1
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