/[MITgcm]/MITgcm/pkg/thsice/THSICE_VARS.h
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Contents of /MITgcm/pkg/thsice/THSICE_VARS.h

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Revision 1.12 - (show annotations) (download)
Wed Aug 1 18:22:41 2012 UTC (11 years, 10 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint64a, checkpoint64c, checkpoint64b, checkpoint64e, checkpoint64d, checkpoint64g, checkpoint64f, checkpoint63r, checkpoint63s, checkpoint64
Changes since 1.11: +5 -2 lines
File MIME type: text/plain
implement correction of ocean fresh-water flux for imbalance of Atmos+Land
 fresh-water flux: uniform correction or proportional to local precip.

1 C $Header: /u/gcmpack/MITgcm/pkg/thsice/THSICE_VARS.h,v 1.11 2009/07/08 23:35:05 jmc Exp $
2 C $Name: $
3
4 #ifdef ALLOW_THSICE
5
6 C !ROUTINE: THSICE_VARS.h
7 C -------------------------------
8 C THSICE_VARS.h
9 C variable for thermodynamics - Sea-Ice model
10 C -------------------------------
11
12 C-- COMMON /THSICE_VARS/ state variables of sea-ice model :
13 C iceMask :: sea-ice fraction: no ice=0, grid all ice 1 []
14 C iceHeight :: depth of ice layer [m]
15 C snowHeight:: depth of snow layer [m]
16 C Tsrf :: temperature at surface [oC]
17 C Tice1 :: temperature of ice layer 1 [oC]
18 C Tice2 :: temperature of ice layer 2 [oC]
19 C Qice1 :: enthalpy of ice layer 1 [J/kg]
20 C Qice2 :: enthalpy of ice layer 2 [J/kg]
21 C snowAge :: snow age [s]
22 COMMON /THSICE_VARS/
23 & iceMask, iceHeight, snowHeight,
24 & Tsrf, Tice1, Tice2,
25 & Qice1, Qice2, snowAge
26
27 _RL iceMask(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
28 _RL iceHeight (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
29 _RL snowHeight(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
30 _RL Tsrf (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
31 _RL Tice1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
32 _RL Tice2 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
33 _RL Qice1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
34 _RL Qice2 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
35 _RL snowAge(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
36
37 C-- COMMON /THSICE_FLUX/ hold fluxes needed for thsice model
38 C sHeating :: surf heating left to melt snow or ice (= Atmos-Conduction)
39 C flxCndBt :: heat flux conducted through the ice to bottom surface
40 C snowPrc :: snow precipitation [kg/m2/s]
41 C siceAlb :: area weighted sea-ice albedo [0-1]
42 C icAlbNIR :: seaice(+snow) surface Near Infra-Red Albedo
43 C atmospheric fluxes (change along the time-stepping):
44 C icFlxSW :: short-wave heat flux (+=down) over sea-ice
45 C (downward SW / net SW @ surface / net SW below sea-ice)
46 C icFlxAtm :: Atmospheric surf. heat flux over sea-ice [W/m2] (+=down)
47 C (over sea-ice only / weighted by ice-fraction)
48 C icFrwAtm :: fresh-water flux (E-P) from the atmosphere [kg/m2/s] (+=up)
49 C ( ice Evap only / ice E-P / ice - ocean weighted E-P )
50 C oceQnet :: net heat flux to the ocean (+=down) [W/m2]
51 C oceQsw :: net short-wave that enter the ocean (+=down) [W/m2]
52 C oceFWfx :: net fresh water flux to the ocean (+=down) [kg/m2]
53 C oceSflx :: net salt flux to the ocean (+=down) [psu.kg/m2]
54 C adjustFrW :: global adjustment to surface fresh-water flux [kg/m2/s]
55 COMMON / THSICE_FLUX /
56 c & oceQsw, oceQnet, oceFWfx, oceSflx,
57 & sHeating, flxCndBt,
58 & snowPrc, siceAlb, icAlbNIR,
59 & icFlxSW, icFlxAtm, icFrwAtm,
60 & adjustFrW
61
62 c _RL oceQnet(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
63 c _RL oceQsw (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
64 c _RL oceFWfx(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
65 c _RL oceSflx(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
66 _RL sHeating(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
67 _RL flxCndBt(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
68 _RL snowPrc (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
69 _RL siceAlb (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
70 _RL icAlbNIR(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
71 _RL icFlxSW (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
72 _RL icFlxAtm(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
73 _RL icFrwAtm(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
74 _RL adjustFrW
75
76 C-- COMMON /THSICE_DYN_R/ variables used with sea-ice advection/diffusion
77 C oceFWfx :: fresh water flux to the ocean [kg/m^2/s]
78 C oceSflx :: salt flux to the ocean [psu.kg/m^2/s] (~g/m^2/s)
79 C oceQnet :: heat flux to the ocean [W/m^2]
80 C---
81 C Note :: when ice volume is too small to be kept, ice & snow is melt
82 C and fresh water, salt and heat are returned to the ocean.
83 C For now, those fluxes are stored separately and will try to find
84 C out how to incorporate them more naturally in the usual forcing.
85 C---
86 COMMON /THSICE_DYN_R/
87 & oceFWfx, oceSflx, oceQnet
88
89 _RL oceFWfx(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
90 _RL oceSflx(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
91 _RL oceQnet(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
92
93 C-- COMMON / THSICE_OCEMXLAYER / oceanic mixed layer state
94 C hOceMxL :: thickness of the ocean mixed layer [m]
95 C tOceMxL :: temperature in the ocean mixed layer [oC]
96 C sOceMxL :: salinity in the ocean mixed layer [psu]
97 C v2ocMxL :: velocity (square) in the mixed layer [m2/s2]
98 COMMON / THSICE_OCEMXLAYER /
99 & hOceMxL, tOceMxL, sOceMxL, v2ocMxL
100
101 _RL hOceMxL(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
102 _RL tOceMxL(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
103 _RL sOceMxL(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
104 _RL v2ocMxL(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy)
105
106 #endif /* ALLOW_THSICE */
107
108 CEH3 ;;; Local Variables: ***
109 CEH3 ;;; mode:fortran ***
110 CEH3 ;;; End: ***

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