⇐ ⇒

[CF-metadata] Is there a convention defining day offsets to use for monthly average time series?

From: Jim Biard <Jim.Biard>
Date: Wed, 10 Aug 2011 08:53:47 -0400

I like that! Beepers. Very retro-chic! I say we go for it!

On 8/10/2011 8:31 AM, John Caron wrote:
> On 8/8/2011 3:43 PM, Jim Biard wrote:
>> Hi.
>>
>> I have a time series of monthly averaged values. I have an
>> integer-valued time coordinate variable and an associated time_bounds
>> variable. Is it correct to use the 15th of February and the 16th of
>> all the other months for my time centers, or should I use the 16th of
>> every month?
>>
>> Also, should I do anything differently if my data are climatological
>> monthly averages (say, over 30 years of data)? And, in this case,
>> should the time coordinate values be day numbers from the beginning
>> of the 30-year time interval, the end of the time interval, or
>> something else entirely?
>>
>> Grace and peace,
>>
>> Jim Biard
>>
>
> At the moment, IMO the best that can be done in CF is to accurately
> record the date range (using the bounds attribute). The coordinate
> value should then be considered for labeling purposes only. Make a one
> line description and put into the long_name attribute. Make sure you
> have human readable documentation that explains whats going on in
> detail, and add a global attribute that references it. Set up a
> 24-hour hotline to answer questions, staffed by post-docs wearing
> beepers. Ok, maybe not the last ;^)
> _______________________________________________
> CF-metadata mailing list
> CF-metadata at cgd.ucar.edu
> http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata

-- 
Jim Biard
Government Contractor, STG Inc.
Remote Sensing and Applications Division (RSAD)
National Climatic Data Center
151 Patton Ave.
Asheville, NC 28801-5001
jim.biard at noaa.gov
828-271-4900
Received on Wed Aug 10 2011 - 06:53:47 BST

This archive was generated by hypermail 2.3.0 : Tue Sep 13 2022 - 23:02:41 BST

⇐ ⇒