/[MITgcm]/MITgcm/pkg/exf/exf_set_climtemp.F
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Contents of /MITgcm/pkg/exf/exf_set_climtemp.F

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Revision 1.5 - (show annotations) (download)
Tue Feb 18 05:33:54 2003 UTC (21 years, 4 months ago) by dimitri
Branch: MAIN
CVS Tags: checkpoint48f_post, checkpoint48i_post, checkpoint48h_post, checkpoint48g_post
Changes since 1.4: +63 -63 lines
Merging from release1_p12:
o Modifications for using pkg/exf with pkg/seaice
  - improved description of the various forcing configurations
  - added basic radiation bulk formulae to pkg/exf
  - units/sign fix for evap computation in exf_getffields.F
  - updated verification/global_with_exf/results/output.txt
o Added pkg/sbo for computing IERS Special Bureau for the Oceans
  (SBO) core products, including oceanic mass, center-of-mass,
  angular, and bottom pressure (see pkg/sbo/README.sbo).
o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
  to avoid negative values in shallow regions.
  - updated verification/natl_box/results/output.txt
  - updated verification/lab_sea/results/output.txt
o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
o Added useSingleCpuIO option (see PARAMS.h).
o Updated useSingleCpuIO option in mdsio_writefield.F to
  work with multi-field files, e.g., for single-file pickup.
o pkg/seaice:
  - bug fix in growth.F: QNET for no shortwave case
  - added HeffFile for specifying initial sea-ice thickness
  - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
  kpp_transport_t.F, forward_step.F, and the_main_loop.F
o pkg/seaice:
  - adjoint-friendly modifications
  - added a SEAICE_WRITE_PICKUP at end of the_model_main.F

1 c $Header: /u/gcmpack/MITgcm/pkg/exf/exf_set_climtemp.F,v 1.1.4.5 2003/02/09 16:27:56 dimitri Exp $
2
3 #include "EXF_CPPOPTIONS.h"
4
5
6 subroutine exf_set_climtemp(
7 O mycurrenttime
8 I , mycurrentiter
9 I , mythid
10 & )
11
12 c ==================================================================
13 c SUBROUTINE exf_set_climtemp
14 c ==================================================================
15 c
16 c o Get the current climatological sea surface salinity field.
17 c
18 c started: Christian Eckert eckert@mit.edu 27-Aug-1999
19 c changed: Christian Eckert eckert@mit.edu 11-Jan-2000
20 c - Restructured the code in order to create a package
21 c for the MITgcmUV.
22 c Christian Eckert eckert@mit.edu 12-Feb-2000
23 c - Changed Routine names (package prefix: exf_)
24 c changed: heimbach@mit.edu 08-Feb-2002
25 c mods for pkg/seaice: menemenlis@jpl.nasa.gov 20-Dec-2002
26 c
27 c ==================================================================
28 c SUBROUTINE exf_set_climtemp
29 c ==================================================================
30
31 implicit none
32
33 #include "EEPARAMS.h"
34 #include "SIZE.h"
35 #include "GRID.h"
36
37 #include "exf_param.h"
38 #include "exf_constants.h"
39 #include "exf_clim_param.h"
40 #include "exf_clim_fields.h"
41
42 c == routine arguments ==
43
44 _RL mycurrenttime
45 integer mycurrentiter
46 integer mythid
47
48 #ifdef ALLOW_CLIMTEMP_RELAXATION
49
50 c == local variables ==
51
52 logical first, changed
53 integer count0, count1
54 _RL fac
55
56 integer bi, bj
57 integer i, j, k
58
59 c == end of interface ==
60
61 if ( climtempfile .NE. ' ' ) then
62
63 #ifdef ALLOW_CLIM_CYCLIC
64 c record numbers are assumed 1 to 12 corresponding to
65 c Jan. through Dec.
66 call cal_GetMonthsRec(
67 O fac, first, changed,
68 O count0, count1,
69 I mycurrenttime, mycurrentiter, mythid
70 & )
71 #else
72 c get record numbers and interpolation factor for climtemp
73 call exf_GetFFieldRec(
74 I climtempstartdate, climtempperiod
75 O , fac, first, changed
76 O , count0, count1
77 I , mycurrenttime, mycurrentiter, mythid
78 & )
79 #endif
80
81 if ( first ) then
82 call mdsreadfield( climtempfile, exf_clim_iprec
83 & , exf_clim_yftype, nr
84 & , climtemp1, count0, mythid
85 & )
86 if (exf_clim_yftype .eq. 'RL') then
87 call exf_filter_rl( climtemp1, climtempmask, mythid )
88 else
89 call exf_filter_rs( climtemp1, climtempmask, mythid )
90 end if
91 endif
92
93 if (( first ) .or. ( changed )) then
94 call exf_SwapFFields_3d( climtemp0, climtemp1, mythid )
95
96 call mdsreadfield( climtempfile, exf_clim_iprec
97 & , exf_clim_yftype, nr
98 & , climtemp1, count1, mythid
99 & )
100 if (exf_clim_yftype .eq. 'RL') then
101 call exf_filter_rl( climtemp1, climtempmask, mythid )
102 else
103 call exf_filter_rs( climtemp1, climtempmask, mythid )
104 end if
105 endif
106
107 c Loop over tiles.
108 do bj = mybylo(mythid),mybyhi(mythid)
109 do bi = mybxlo(mythid),mybxhi(mythid)
110 do k = 1,nr
111 do j = 1,sny
112 do i = 1,snx
113
114 c Set to freezing temperature if less
115 if (climtemp0(i,j,k,bi,bj) .lt. climtempfreeze)
116 & climtemp0(i,j,k,bi,bj) = climtempfreeze
117 if (climtemp1(i,j,k,bi,bj) .lt. climtempfreeze)
118 & climtemp1(i,j,k,bi,bj) = climtempfreeze
119
120 c Interpolate linearly onto the current time.
121 climtemp(i,j,k,bi,bj) =
122 & fac * climtemp0(i,j,k,bi,bj) +
123 & (exf_one - fac) * climtemp1(i,j,k,bi,bj)
124
125 enddo
126 enddo
127 enddo
128 enddo
129 enddo
130
131 endif
132
133 #endif /* ALLOW_CLIMTEMP_RELAXATION */
134
135 end
136
137
138 subroutine exf_init_climtemp(
139 I mythid
140 & )
141
142 c ==================================================================
143 c SUBROUTINE exf_init_climtemp
144 c ==================================================================
145 c
146 c o
147 c
148 c started: Ralf.Giering@FastOpt.de 25-Mai-2000
149 c
150 c ==================================================================
151 c SUBROUTINE exf_init_climtemp
152 c ==================================================================
153
154 implicit none
155
156 c == global variables ==
157
158 #include "EEPARAMS.h"
159 #include "SIZE.h"
160
161 #include "exf_fields.h"
162 #include "exf_param.h"
163 #include "exf_clim_fields.h"
164
165 c == routine arguments ==
166
167 integer mythid
168
169 #ifdef ALLOW_CLIMTEMP_RELAXATION
170
171 c == local variables ==
172
173 integer bi, bj
174 integer i, j, k
175
176 c == end of interface ==
177
178 do bj = mybylo(mythid), mybyhi(mythid)
179 do bi = mybxlo(mythid), mybxhi(mythid)
180 do k=1,nr
181 do j = 1, sny
182 do i = 1, snx
183 climtemp (i,j,k,bi,bj) = 0. _d 0
184 climtemp0(i,j,k,bi,bj) = 0. _d 0
185 climtemp1(i,j,k,bi,bj) = 0. _d 0
186 enddo
187 enddo
188 enddo
189 enddo
190 enddo
191
192 #endif /* ALLOW_CLIMTEMP_RELAXATION */
193
194 end

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