Hi Jonathan,
I have sorted out the cell methods for daily mean and depth average velocities. The "total" in total_eastward_sea_water_velocity was to indicate barotropic and baroclinic velocities, but it has been suggested that the standard name eastward_sea_water_velocity covers this. We have a barotropic and baroclinic tide-surge model and I am out putting the resultant velocities.
sea_floor_depth_below_mean_tidal_level - Our model bathymetry has been created using a year of tides to generate the mean tidal level. The person who generated the bathymetry feels mean sea level is a hypothetical level. We have had some discussions and have decided that using the standard name sea_floor_depth_below_mean_sea_level will be adequate though.
Thanks for your comments and suggestions,
Jenny
-----Original Message-----
From: cf-metadata-bounces at cgd.ucar.edu [mailto:cf-metadata-bounces at cgd.ucar.edu] On Behalf Of Jonathan Gregory
Sent: 10 August 2009 20:17
To: cf-metadata at cgd.ucar.edu
Subject: [CF-metadata] CF standard names for Ocean Dynamics
Dear Jenny
> 1)sea_floor_depth_below_mean_tidal_level units: m
> Our model bathymetry has been generated for mean tidal level, which is not exactly the same as mean sea level.
Could you please explain what the difference is?
> 3)total_eastward_sea_water_velocity units:m s^-1
> 4)total_northward_sea_water_velocity units:m s^-1
What would "total" indicate here?
I agree with Nan that depth- and time-average should be indicated by
cell_methods.
> 10)vertical_grid_level units: 1
> The level of the vertical grid above the sea bed. Level 1 = the bed, increasing positively up to the surface.
I would suggest the standard name model_level_number is appropriate for this.
The coordinate variable should have a positive="up" attribute.
Cheers
Jonathan
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Received on Tue Aug 11 2009 - 01:56:51 BST
