Dear Philip,
Thanks for spotting the mistake!  And yes, I did mean y-axis.
Thanks for your comments.
Best wishes,
Alison
==> Please note new email address: alison.pamment at stfc.ac.uk <==
------
J Alison Pamment                        Tel: +44 1235 778065
NCAS/British Atmospheric Data Centre    Fax: +44 1235 446314
Rutherford Appleton Laboratory          Email: alison.pamment at stfc.ac.uk
Chilton, Didcot, OX11 0QX, U.K.
> -----Original Message-----
> From: cf-metadata-bounces at cgd.ucar.edu [mailto:cf-metadata-
> bounces at cgd.ucar.edu] On Behalf Of Philip J. Cameronsmith1
> Sent: 06 November 2008 01:03
> To: CF-metadata email list
> Subject: Re: [CF-metadata] Standard name(s) needed for satellite-based
> ice driftproducts
> 
> On Wed, 5 Nov 2008, Pamment, JA (Alison) wrote:
> 
> > Dear Thomas,
> >
> > Thank you for your query.  It is not necessary to open a trac ticket
> > because discussion of standard names normally takes place on the
> mailing
> > list.
> [....]
> >
> > sea_ice_y_displacement            [m]
> > 'Displacement' means the change in geospatial position of an object
> that
> > has moved over time.  The time interval during which the motion took
> > place must be specified using a bounds variable for the time
> coordinate
> > variable.  A displacement is a vector quantity. Sea ice displacement
> is
> > defined as a two-dimensional vector, with no vertical component.
"y"
> > indicates a vector component along the grid x-axis, when this is not
> > true longitude, positive with increasing y.  A y displacement is
> > calculated from the difference in the moving object's grid y
> coordinate
> > between the start and end of the interval given in the time bounds
> > variable.
> 
> Hi Alison,
> 
> I think I spotted a cut-and-paste error in the above description.  I
> assume that it should be "y-axis" instead of "x-axis"?
> 
> Otherwise, the descriptions seem clear and reasonable to me. :-)
> 
> Best wishes,
> 
>       Philip
>
-----------------------------------------------------------------------
> -
> Dr Philip Cameron-Smith        Atmospheric, Earth, and Energy Division
> pjc at llnl.gov                   Lawrence Livermore National Laboratory
> +1 925 4236634                 7000 East Avenue, Livermore, CA94550,
> USA
>
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Received on Thu Nov 06 2008 - 02:54:22 GMT