Jim,

Thanks so much for the clarification.  Our team was under the impression that 
standard names were required for CF compliance.  I should have read the 
conventions more closely.

It seems that for the time being, long names will suffice.


Kind regards,
Tom

---
Thomas Estilow
Rutgers University Global Snow Lab
[email protected]





On Nov 12, 2013, at 2:44 PM, Jim Biard wrote:

> Thomas,
> 
> I think the sort of thing you are wanting to do is covered in a new standard 
> name that I thought should have been in the latest release.  Here’s the info 
> about it from previous emails on the topic.
> 
> status_flag
> 
> A variable with the standard name of status_flag contains an indication of 
> quality or other status of another data variable.  The linkage between the 
> data variable and the variable with the standard_name of status_flag is 
> achieved using the ancillary_variables attribute.
> 
> This is a dimensionless quantity (canonical units = 1).
> 
> The status_flag standard name allows you to have a variable that is filled 
> with status information about another variable.  Notice that a variable that 
> uses this standard name is assumed to be linked to another variable that 
> contains some sort of measurement data (via the ancillary_variables attribute 
> on the other variable).
> 
> I don’t think that standard names are otherwise associated with variables 
> containing only status flags.  Standard names are intended (for the most 
> part) to identify kinds/classes of scientific measurements.
> 
> The specific meanings to associate with particular bit patterns is 
> accomplished via the flag_values, flag_masks, and flag_meanings attributes on 
> the variable containing the status information.
> 
> And one more thing.  I don’t think it's a violation of CF to have a variable 
> without a standard_name attribute.  If none applies, none applies.  The same 
> goes with units.
> 
> Grace and peace,
> 
> Jim
> 
> Visit us on
> Facebook      Jim Biard
> Research Scholar
> Cooperative Institute for Climate and Satellites NC
> North Carolina State University
> NOAA's National Climatic Data Center
> 151 Patton Ave, Asheville, NC 28801
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> o: +1 828 271 4900
> 
> 
> 
> 
> On Nov 12, 2013, at 2:34 PM, Thomas Estilow <[email protected]> wrote:
> 
>> Hello,
>> 
>> My apologies for several messages to the list, I thought separate threads 
>> would be best, as each message relates to an individual data product.
>> 
>> Our team is working on a gridded product (EASE-Grid 2.0) showing daily 
>> Greenland surface melt extent.  We discussed possible standard names such as:
>> 
>> surface_snow_melt_binary_mask
>> 
>> or
>> 
>> surface_snow_and_ice_melt_binary_mask
>> 
>> 
>> Please note, the data flags we are using in each layer of the netCDF are not 
>> simply 1 and 0.  Any advice or recommendations on how to proceed would be 
>> much appreciated.
>> 
>> 
>> Thank you,
>> Tom
>> 
>> 
>> ---
>> Thomas Estilow
>> Rutgers University Global Snow Lab
>> [email protected]
>> 
>> 
>> 
>> 
>> 
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