Dear All,
The standard name table has been updated with the changes listed at the end of
this message.
The current version of the table is now 32, dated 5 April 2016. The links on
the CF website and list of standard name contributors have been updated
accordingly; the standard name changes have also been published on the NERC
vocabulary server.
The next update to standard names will take place on 17th May.
Best wishes,
Alison
1. New names
northward_northward_derivative_of_geopotential (canonical units: s-2)
northward_upward_derivative_of_geopotential (canonical units: s-2)
northward_westward_derivative_of_geopotential (canonical units: s-2)
upward_upward_derivative_of_geopotential (canonical units: s-2)
westward_upward_derivative_of_geopotential (canonical units: s-2)
westward_westward_derivative_of_geopotential (canonical units: s-2)
distance_from_geocenter (canonical units: m)
ocean_relative_vorticity (canonical units: s-1)
tendency_of_change_in_land_ice_amount (canonical units: kg m-2 s-1)
2. Modifications to definitions of existing names
The definition of sea_surface_temperature has been updated to correctly
cross-reference the more specific sea surface temperature standard names. The
definition now reads:
'Sea surface temperature is usually abbreviated as "SST". It is the temperature
of sea water near the surface (including the part under sea-ice, if any). More
specific terms, namely sea_surface_skin_temperature,
sea_surface_subskin_temperature, and surface_termperature are available for the
skin, subskin, and interface temperature. respectively. For the temperature of
sea water at a particular depth or layer, a data variable of
sea_water_temperature with a vertical coordinate axis should be used.'
3. Modifications to units of existing names
The two names heat_flux_into_sea_water_due_to_freezing_of_frazil_ice and
surface_downward_heat_flux_in_snow had both been correctly assigned units of W
m-2, but a typographical error meant that the whitespace was missing in the
specification of the canonical units. This was causing some problems with the
CF checker. The error has now been corrected.
4. Aliases
No new aliases are included in this update.
------
Alison Pamment Tel: +44
1235 778065
Centre for Environmental Data Analysis Email: [email protected]
STFC Rutherford Appleton Laboratory
R25, 2.22
Harwell Campus, Didcot, OX11 0QX, U.K.
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