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: [EMAIL PROTECTED] <== ------ J Alison Pamment Tel: +44 1235 778065 NCAS/British Atmospheric Data Centre Fax: +44 1235 446314 Rutherford Appleton Laboratory Email: [EMAIL PROTECTED] Chilton, Didcot, OX11 0QX, U.K. > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:cf-metadata- > [EMAIL PROTECTED] 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 > [EMAIL PROTECTED] Lawrence Livermore National Laboratory > +1 925 4236634 7000 East Avenue, Livermore, CA94550, > USA > ----------------------------------------------------------------------- > - > _______________________________________________ > CF-metadata mailing list > [email protected] > http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata -- Scanned by iCritical. _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
