> So I'm wondering
> whether the coordinate variable, lev(lev), has the standard_name and
> formula_terms attributes that should allow the checker to recognize them.
From the file:
> double lev(lev) ;
> lev:bounds = "lev_bnds" ;
> lev:units = "1" ;
> lev:axis = "Z" ;
> lev:positive = "down" ;
> lev:long_name = "hybrid sigma pressure coordinate" ;
> lev:standard_name =
> "atmosphere_hybrid_sigma_pressure_coordinate" ;
> lev:formula = "p = a*p0 + b*ps" ;
> lev:formula_terms = "p0: p0 a: a b: b ps: ps" ;
> double lev_bnds(lev, bnds) ;
> lev_bnds:formula = "p = a*p0 + b*ps" ;
> lev_bnds:standard_name =
> "atmosphere_hybrid_sigma_pressure_coordinate" ;
> lev_bnds:units = "1" ;
> lev_bnds:formula_terms = "p0: p0 a: a_bnds b: b_bnds
> ps: ps" ;
- Kyle
On 02/23/2011 01:37 PM, Brian Eaton wrote:
> The checker also didn't recognize that the "a" and "b" variables are being
> used to describe a dimensionless vertical coordinate. So I'm wondering
> whether the coordinate variable, lev(lev), has the standard_name and
> formula_terms attributes that should allow the checker to recognize them.
>
> Brian
>
>
> On Wed, Feb 23, 2011 at 06:17:01PM +0000, Jonathan Gregory wrote:
>> Dear Karl et al
>>
>> To me it looks like the checker couldn't tell that they were bounds variables,
>> because there is no bounds attribute pointing to them. They look like data
>> variables.
>>
>> Best wishes
>>
>> Jonathan
>>
>> On Wed, Feb 23, 2011 at 09:48:21AM -0800, Karl Taylor wrote:
>>> Date: Wed, 23 Feb 2011 09:48:21 -0800
>>> From: Karl Taylor<taylor13 at llnl.gov>
>>> User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US;
>>> rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7
>>> To: Kyle Olivo<Kyle.Olivo at noaa.gov>
>>> CC: aparna Radhakrishnan<Aparna.Radhakrishnan at noaa.gov>,
>>> "cf-metadata at cgd.ucar.edu"<cf-metadata at cgd.ucar.edu>, "Doutriaux,
>>> Charles"<doutriaux1 at llnl.gov>
>>> Subject: Re: [CF-metadata] CF Standards
>>>
>>> Hi all,
>>>
>>> If a, b, a_bnds, and b_bnds are dimensionless (and I think they
>>> are), then CF should not raise an error that "no units attribute
>>> set". Does anyone disagree?
>>>
>>> thanks,
>>> Karl
>>>
>>> On 2/23/11 6:55 AM, Kyle Olivo wrote:
>>>> Hi Charles,
>>>>
>>>> We recently CMORized the Amon variable clw and noticed that the output
>>>> doesn't seem to adhere to CF standards.
>>>>
>>>>> double a_bnds(lev, bnds) ;
>>>>> a_bnds:long_name = "vertical coordinate formula term:
>>>>> a(k+1/2)" ;
>>>>> double b_bnds(lev, bnds) ;
>>>>> b_bnds:long_name = "vertical coordinate formula term:
>>>>> b(k+1/2)" ;
>>>>> double a(lev) ;
>>>>> a:long_name = "vertical coordinate formula term: a(k)" ;
>>>>> double b(lev) ;
>>>>> b:long_name = "vertical coordinate formula term: b(k)" ;
>>>> CF-Checker results:
>>>>
>>>>> ------------------
>>>>> Checking variable: a
>>>>> ------------------
>>>>> ERROR (3.1): No units attribute set
>>>>> ------------------
>>>>> Checking variable: a_bnds
>>>>> ------------------
>>>>> ERROR (3.1): No units attribute set
>>>>> ------------------
>>>>> Checking variable: b
>>>>> ------------------
>>>>> ERROR (3.1): No units attribute set
>>>>> ------------------
>>>>> Checking variable: b_bnds
>>>>> ------------------
>>>>> ERROR (3.1): No units attribute set
>>>> Any advice on how to proceed on this? Should a units value of some kinds
>>>> have been included in the Amon MIP table?
>>>>
>>>> Thanks,
>>>> Kyle
>>>>
>>> _______________________________________________
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>>> CF-metadata at cgd.ucar.edu
>>> http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
>> _______________________________________________
>> CF-metadata mailing list
>> CF-metadata at cgd.ucar.edu
>> http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
--
Kyle Olivo
Modeling Services Group
Geophysical Fluid Dynamics Lab
o: 609-452-5316 | c: 541-450-9010
Received on Wed Feb 23 2011 - 11:59:01 GMT
