[CF-metadata] daily maximum of running 8-hour means

From: Schultz, Martin <m.schultz>
Date: Fri, 28 Oct 2011 14:48:17 +0200

Dear Jonathan,

     I'd appreciate this.

Thanks,

Martin

> -----Original Message-----
> From: Jonathan Gregory [mailto:j.m.gregory at reading.ac.uk]
> Sent: Thursday, October 27, 2011 8:07 PM
> To: Schultz, Martin
> Cc: cf-metadata at cgd.ucar.edu
> Subject: Re: [CF-metadata] daily maximum of running 8-hour means
>
> Dear Martin
>
> I think we all prefer the second alternative then i.e. the summary of what
> was done, rather than explicit coordinates.
>
> > Upon calculating this "index", one will generally assign the daily value to
> one single time "coordinate" value representing the respective day. Now,
> this would mean that the "offset" value will likely be undefined if I
> understood this correctly.
>
> I suppose so. I think the "offset" and "period" would both be optional
> anyway.
> It sounds like you really only need to record the "period" i.e. 8 hours, and I
> suggested the "offset" too for completeness, following Philip's email. It
> would be sufficient to put
> "time: mean (period: 8 hours) time: maximum (interval: 1 hour)".
> to indicate a (daily) maximum made from 8-hour running means if you aren't
> concerned exactly how the 8-hourly periods correspond to the days. In that
> case we can simplify the proposal by omitting "offset" until someone needs
> it.
>
> If no-one has a better idea, shall we propose this extended syntax in a trac
> ticket?
>
> Cheers
>
> Jonathan

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Received on Fri Oct 28 2011 - 06:48:17 BST