/[MITgcm]/manual/s_phys_pkgs/text/exf.tex
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revision 1.13 by jmc, Mon Aug 30 23:09:21 2010 UTC revision 1.15 by jmc, Wed Jun 22 02:06:29 2011 UTC
# Line 296  prepend the field name to the listed att Line 296  prepend the field name to the listed att
296  \paragraph{Example configuration} ~ \\  \paragraph{Example configuration} ~ \\
297  %  %
298  The following block is taken from the \texttt{data.exf} file  The following block is taken from the \texttt{data.exf} file
299  of the veification experiment \texttt{global\_with\_exf/}.  of the verification experiment \texttt{global\_with\_exf/}.
300  It defines attributes for the heat flux variable \texttt{hflux}:  It defines attributes for the heat flux variable \texttt{hflux}:
301    
302  \begin{verbatim}  \begin{verbatim}
# Line 313  It defines attributes for the heat flux Line 313  It defines attributes for the heat flux
313  \end{verbatim}  \end{verbatim}
314    
315  EXF will read a file of name 'ncep\_qnet.bin'.  EXF will read a file of name 'ncep\_qnet.bin'.
316  Its first record represents January 1st, 1991 at 00:00 UTC.  Its first record represents January 1st, 1992 at 00:00 UTC.
317  Next record is 2592000 seconds (or 30 days) later.  Next record is 2592000 seconds (or 30 days) later.
318    Note that the first record read and used by the EXF package corresponds to the
319    value 'startDate1' set in data.cal.  Therefore if you want to start the EXF
320    forcing from later in the 'ncep\_qnet.bin' file, it suffices to specify
321    startDate1 in data.cal as a date later than 19920101 (for example, startDate1
322    = 19940101, for starting January 1st, 1994).  For this to work,
323    'ncep\_qnet.bin' must have at least 2 years of data because in this
324    configuration EXF will read 2 years into the file to find the 1994 starting
325    value.
326  Interpolation on-the-fly is used (in the present case trivially  Interpolation on-the-fly is used (in the present case trivially
327  on the same grid, but included nevertheless for illustration),  on the same grid, but included nevertheless for illustration),
328  and input field grid starting coordinates and increments are  and input field grid starting coordinates and increments are
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