/[MITgcm]/MITgcm/model/inc/FFIELDS.h
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revision 1.6 by adcroft, Wed May 5 18:32:34 1999 UTC revision 1.7 by heimbach, Mon Sep 11 23:14:12 2000 UTC
# Line 9  C     | particular experiment. Line 9  C     | particular experiment.
9  C     \==========================================================/  C     \==========================================================/
10  C  C
11  C--   For a classical "gyre" type experiment just one term is needed.  C--   For a classical "gyre" type experiment just one term is needed.
12  C     fu     - Zonal velocity tendency term ( m/s^2 )  C
13  C     fv     - Meridional velocity tendency term ( m/s^2 )  C     fu     - Zonal velocity tendency term
14  C     Qnet   - Surface heat flux (converted to degrees/second)  C                -> read assumes     N/m^2 (>0 from East to West)
15  C     EmPmR  - Evaporation - Precipitation - Runoff (converted to psu/second)  C                -> transformed to   m/s^2
16    C                   via              fu   ->   fu/(rhoNil*dR)
17    C                -> usage in gU:     gU = gU + fu[m/s^2]
18    C
19    C     fv     - Meridional velocity tendency term
20    C                -> read assumes     N/m^2 (>0 from North to South))
21    C                -> transformed to   m/s^2
22    C                   via              fv   ->   fv/(rhoNil*dR)
23    C                -> usage in gU:     gV = gV + fu[m/s^2]
24    C
25    C     EmPmR  - Evaporation - Precipitation - Runoff
26    C                -> read assumes     m/s (>0 for ocean salting)
27    C                -> transformed to   psu/s
28    C                   via              empmr -> -empmr*35./dR
29    C                -> usage in gS:     gS = gS + empmr[psu/s]
30    C
31    C     Qnet   - Surface heat flux
32    C                -> read assumes     W/m^2=kg/s^3 (>0 for ocean cooling)
33    C                -> transformed to   K/s
34    C                   via              Qnet -> -Qnet/(rhonil*Cp*dR)
35    C                -> usage in gT:     gT = gT + qnet[K/s]
36    C
37    C     Qsw    - Short-wave surface heat flux
38    C                -> read assumes     W/m^2=kg/s^3 (>0 for ocean cooling)
39    C                -> transformed to   K/s
40    C                   via              Qsw -> -Qsw/(rhonil*Cp*dR)
41    C                -> usage in gT:     gT = gT + Qswt[K/s]
42    C                   only for #define SHORTWAVE_HEATING
43    C
44  C     SST    - Sea surface temperature (degrees) for relaxation  C     SST    - Sea surface temperature (degrees) for relaxation
45  C     SSS    - Sea surface salinity (psu) for relaxation  C     SSS    - Sea surface salinity (psu) for relaxation
46  C     Qsw    - Short-wave surface heat flux (converted to degrees/second)  
47        COMMON /FFIELDS/        COMMON /FFIELDS/
48       &                 fu,       &                 fu,
49       &                 fv,       &                 fv,
# Line 31  C     Qsw    - Short-wave surface heat f Line 59  C     Qsw    - Short-wave surface heat f
59        _RS  SST      (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)        _RS  SST      (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
60        _RS  SSS      (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)        _RS  SSS      (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
61        _RS  Qsw      (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)        _RS  Qsw      (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
62    
63    C     surfaceTendencyU
64    C                -> usage in gU:     gU = gU + surfaceTendencyU[m/s^2]
65    C
66    C     surfaceTendencyV
67    C                -> usage in gV:     gV = gV + surfaceTendencyV[m/s^2]
68    C
69    C     surfaceTendencyS  
70    C            - EmPmR plus salinity relaxation term
71    C                -> calculate        -lambda*(S(model)-S(clim))
72    C                -> usage in gS:     gS = gS + surfaceTendencyS[psu/s]
73    C
74    C     surfaceTendencyT
75    C            - Qnet plus temp. relaxation
76    C                -> calculate        -lambda*(T(model)-T(clim))
77    C            >>> Qnet assumed to be total flux minus s/w rad. <<<
78    C                -> usage in gT:     gT = gT + surfaceTendencyT[K/s]
79    
80          COMMON /TENDENCY_FORCING/
81         &                         surfaceTendencyU,
82         &                         surfaceTendencyV,
83         &                         surfaceTendencyT,
84         &                         surfaceTendencyS
85          _RS  surfaceTendencyU  (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
86          _RS  surfaceTendencyV  (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
87          _RS  surfaceTendencyT  (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
88          _RS  surfaceTendencyS  (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)

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