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[CF-metadata] Salinity units

From: Durack, Paul J. <durack1>
Date: Fri, 22 May 2015 19:09:51 +0000

Hi Nan,

Quite sometime ago we updated a bunch of CF entries to reflect the new TEOS-10 names: http://mailman.cgd.ucar.edu/pipermail/cf-metadata/2011/022581.html

With these new entries we did in fact get salinity units for absolute and preformed salinity variables.

Other than PSS-78 (which is the default storage format in databases) and the current 1e-3 used in the CMIP notation I?m not sure how much further things can be taken here..?

Cheers,

P

From: Karl Taylor <taylor13 at llnl.gov<mailto:taylor13 at llnl.gov>>
Date: Friday, May 22, 2015 at 10:22 AM
To: "Durack , Paul J." <durack1 at llnl.gov<mailto:durack1 at llnl.gov>>
Subject: Fwd: Re: [CF-metadata] Salinity units

FYI


-------- Forwarded Message --------
Subject: Re: [CF-metadata] Salinity units
Date: Fri, 22 May 2015 13:03:24 -0400
From: Nan Galbraith <ngalbraith at whoi.edu><mailto:ngalbraith at whoi.edu>
Reply-To: ngalbraith at whoi.edu<mailto:ngalbraith at whoi.edu>
Organization: WHOI
To: cf-metadata at cgd.ucar.edu<mailto:cf-metadata at cgd.ucar.edu>, OceanSITES Data Management Team <oceansites-dmt at jcommops.org><mailto:oceansites-dmt at jcommops.org>



Hello all -

It's been a long time, but is anyone interested in re-visiting the subject
of units for practical salinity in CF?

I was recently notified that my salinity data was likely to be
overlooked by
some users, because I'd used '1' as the units, not '.001'. Somehow, I'd
forgotten the (long-ago) discussion on the CF list about salinity units.

Some members of the OceanSITES project are interested in revising our
format spec to encourage the use of '1' as an indication that salinity does
not have units - but, of course, we'd mostly rather remain CF-compliant.

Thanks for any feedback on this.

Cheers - Nan


On 6/17/09 2:48 AM, Lowry, Roy K wrote:

> Dear All,
>
> During an exercise with Alison mapping the CF Standard Names to a
> units vocabulary in the BODC vocabulary server I noticed that the
> units for salinity were '1.00E-03', i.e. parts per thousand. My
> understanding in that since the introduction of the Practical
> Salinity Scale that salinity is dimensionless with units of '1'. Is
> there agreement for our changing the units in the Standard Name
> table?
>
> Cheers, Roy.

--
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* Nan Galbraith        Information Systems Specialist *
* Upper Ocean Processes Group            Mail Stop 29 *
* Woods Hole Oceanographic Institution                *
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