Hi,
We have many datasets for which we need to express the precision of the
time axis. For example, the OSTIA sea surface temperature dataset
contains daily fields. The data are considered "representative" of a
particular day, without necessarily being a simple average over the day.
At the moment the data are registered to 12:00Z on each day, but this is
indistinguishable from an instantaneous snapshot at this time.
I guess it would be possible to express the temporal precision using the
"bounds" attribute for the variable in question
(
http://cf-pcmdi.llnl.gov/documents/cf-conventions/1.4/cf-conventions.ht
ml#cell-boundaries), by specifying the start and end of each day as the
bounds. Is there a less verbose way of providing this information,
perhaps by stating the precision as "1 day/24 hours/whatever" as a
single attribute?
Jon
--
Dr Jon Blower
Technical Director, Reading e-Science Centre
Environmental Systems Science Centre
University of Reading
Harry Pitt Building, 3 Earley Gate
Reading RG6 6AL. UK
Tel: +44 (0)118 378 5213
Fax: +44 (0)118 378 6413
j.d.blower at reading.ac.uk
http://www.nerc-essc.ac.uk/People/Staff/Blower_J.htm
Received on Wed Jun 02 2010 - 07:26:23 BST
