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Starting to bring comments up to date and format comments for document extraction of "prototypes".
Modifications and additions to enable automatic differentiation. Detailed info's in doc/notes_c37_adj.txt
Made sure each .F and .h file had the CVS keywords Header and Name at its start. Most had header but very few currently have Name, so lots of changes!
Fixed confusion about units of forcing arrays in FFIELDS.h
namely Fu,Fv,Qnet,Qsw,EmPmR:
- Removed verification/natl_box/code/external_fields_scale.F
(did not differ from that in model/src)
- Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
(see FFIELDS.h for description)
- Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
kpp_calc.F and kpp_transport_t.F
- Removed model/src/external_fields_scale.F and calls to it
- verification/natl_box uses flux data with "atmospheric" sign so
a special version of external_fields_load.F is used to
change the data as it's read in. This way, the arrays
have the right units and signs at all times tha a user could
possibly use them.
Rescaling of forcing fields done immediately after reading fields.
Added fields for surface tendency forcings. Documented units, signs and rescaling. Tested for exp(0,2,4).
Implemented new I/O package (mdsio.F). This package does parallel
I/O in much the same way as dfile.F used to except it uses "direct
access" rather than (f77) unformatted sequential access.
Problems with dfile.F package included:
o unnecessary memory use (each process had two global sized buffers)
o inability to read the files it had written without post-processing
o "tiled" files were tiled by process/thread rather than actual tiles
o created huge numbers of files with no alternatives
Features of the mdsio.F package:
o direct-access binary writes
o no excessive memory use
o ability to read/write from multiple record files
o "tiled" files are based on "WRAPPER" tiles so that the number
and content of files is independent of the number of threads
and/or processes
o option to create single "global" files rather than "tiled" files
o ability to read both "global" and "tiled" files
[Caveat: the tiling of files must match the model tiles]
o checkpoints now use a single file per model section
ie. one file for the hydrostatic model core, one file
for the non-hydrostatic extensions and one file for the C-D
extensions
o the mid-level I/O routines now is broken into more source files
read_write_fld.F supplies basic I/O routines with the same interface
as the original I/O package
read_write_rec.F supplies I/O routines which allow multiple records
write_state.F writes the model state
checkpoint.F supplies the read/write checkpoint routines
All the example input data has had to be modified to be direct-access.
Otherwise only routines that used I/O have been affected and not
all of those have been due to the continuity of arguments in
the read_write_fld.F routines.
What needs to be done? We have to create a suite of conversion
utilities for users with old-style data. Also supply the option
for using old-style I/O, not just for die-hards but for reading
data too extensive to be converted. And more...
After great excitement and confusion we discovered that we didn't have a bug or sign error in the E-P flux. However, we did think it prudent to use a better name for it. EmPpR is now EmPmR and it really is E-P-R!
Introduced time-dependant forcing, loaded and interpolated in load_external_fields.F in a subroutine load_interpolate_forcing(). Control is by one logical and two real variables in PARAMS.h: periodicExternalForcing, externForcingCycle and externForcingPeriod. The code in load_external_fields.F is "customized" so needs to be edited for non-global type runs. We'll tidy it up later.
Fairly coplete 4 degree global intercomparison setup. Includes changes to make convective adjustment and hydrostatic pressure correct as well as IO for climatological datasets
$Id to $Header changes
Initial revision
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