Hi Roy, John,
The methane bubbles are in both models and observations. Specifically, the
methane bubbles are measured using sonar reflectivity, and my colleagues are
trying to match those observations in a model.
How much of the bubbles dissolve is of particular importance, and by their
nature it means that the total methane concentration (gas + dissolved) exceeds
methane solubility on some scale.
Hence, it makes sense to me to keep 'dissolved' in the CF table for
consistency, precision, and future expansion into bubbles.
Best wishes :-),
Philip
Sent by Philip Cameron-Smith from his blackberry.
----- Original Message -----
From: Lowry, Roy K. [mailto:[email protected]]
Sent: Saturday, May 18, 2013 02:52 AM
To: Cameron-smith, Philip; '[email protected]'
<[email protected]>; '[email protected]'
<[email protected]>
Subject: RE: [CF-metadata] is molecular oxygen in seawater always dissolved?
Hello Philip,
Was that measured (John's area of concern) or a parameter in a numerical
simulation?
Cheers, Roy.
________________________________________
From: CF-metadata [[email protected]] On Behalf Of
Cameron-smith, Philip [[email protected]]
Sent: 18 May 2013 10:12
To: '[email protected]'; '[email protected]'
Subject: Re: [CF-metadata] is molecular oxygen in seawater always dissolved?
Hi John,
I don't recall the original discussion. However, I do work on a problem
involving both dissolved methane and methane that is in bubbles, and the
distinction is critical, ie we need to know whether a plume of bubbles will
make it to the ocean surface.
Best wishes,
Philip
Sent by Philip Cameron-Smith from his blackberry.
----- Original Message -----
From: John Graybeal [mailto:[email protected]]
Sent: Friday, May 17, 2013 11:47 AM
To: CF Metadata List <[email protected]>
Subject: [CF-metadata] is molecular oxygen in seawater always dissolved?
Hi all,
I found an odd thing in one of the standard names, and I'm not sure if it's
exactly right or I need another name.
For context: We (Marinexplore, new affiliation) are aggregating data from A Lot
of different sources. So this question is not about one specific observation,
but how to best represent all the observations we'll be working with.
The name is mole_concentration_of_dissolved_molecular_oxygen_in_sea_water.
There is no equivalent name without "dissolved", and I am wondering if a mole
concentration of molecular oxygen in sea water will always be dissolved? Or
should I request a name without that in it? (In the original CF email from
2010 requesting this name "dissolved" did not appear, and it isn't clear from
the history what motivated its inclusion.)
Thanks for your advice, and thanks to Alison for your research help.
John
---------------------------------------------------
John Graybeal
Senior Data Manager, Metadata and Semantics
T +1 (408) 675-5545
F +1 (408) 616-1626
skype: graybealski
Marinexplore
920 Stewart Drive
Sunnyvale, CA
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