John-
On 8/19/11 10:32 AM, John Caron wrote:
On 8/19/2011 8:02 AM, Jonathan Gregory wrote:
Im not sure I can actually implement prefixes for calendar fields,
since in general that would violate the need for integers.
millisecond makes sense, but millihour doesnt.
Yes, I see. Could we include ms then, and also a, ka and Ma for a year,
1000 years and a million years, used in paleoclimate?
i will add ms.
im not familiar with a, ka, and Ma. what are those?
a is an abbreviation for year (annus/anno) and recognized by udunits.
(see http://en.wikipedia.org/wiki/Year)
This is similar to what I was asking for with geophysical data.
Sometimes you'll see Mya (millions of years ago) and a common reference
date is 1950. I'm not suggesting that you support Mya, but
"Ma before reference_date" would be useful. Perhaps Jonathan knows how
this is currently specified for paleoclimate data.
Don
--
Don Murray
NOAA/ESRL/PSD and CIRES
303-497-3596
http://www.esrl.noaa.gov/psd/people/don.murray/
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