1 | MODULE phycst |
---|
2 | !!====================================================================== |
---|
3 | !! *** MODULE phycst *** |
---|
4 | !! Definition of of both ocean and ice parameters used in the code |
---|
5 | !!===================================================================== |
---|
6 | !! History : OPA ! 1990-10 (C. Levy - G. Madec) Original code |
---|
7 | !! 8.1 ! 1991-11 (G. Madec, M. Imbard) cosmetic changes |
---|
8 | !! NEMO 1.0 ! 2002-08 (G. Madec, C. Ethe) F90, add ice constants |
---|
9 | !! - ! 2006-08 (G. Madec) style |
---|
10 | !! 3.2 ! 2006-08 (S. Masson, G. Madec) suppress useless variables + style |
---|
11 | !! 3.4 ! 2011-11 (C. Harris) minor changes for CICE constants |
---|
12 | !!---------------------------------------------------------------------- |
---|
13 | |
---|
14 | !!---------------------------------------------------------------------- |
---|
15 | !! phy_cst : define and print physical constant and domain parameters |
---|
16 | !!---------------------------------------------------------------------- |
---|
17 | USE par_oce ! ocean parameters |
---|
18 | USE in_out_manager ! I/O manager |
---|
19 | |
---|
20 | IMPLICIT NONE |
---|
21 | PRIVATE |
---|
22 | |
---|
23 | PUBLIC phy_cst ! routine called by inipar.F90 |
---|
24 | |
---|
25 | REAL(wp), PUBLIC :: rpi = 3.141592653589793_wp !: pi |
---|
26 | REAL(wp), PUBLIC :: rad = 3.141592653589793_wp / 180._wp !: conversion from degre into radian |
---|
27 | REAL(wp), PUBLIC :: rsmall = 0.5 * EPSILON( 1.e0 ) !: smallest real computer value |
---|
28 | |
---|
29 | REAL(wp), PUBLIC :: rday = 24.*60.*60. !: day [s] |
---|
30 | REAL(wp), PUBLIC :: rsiyea !: sideral year [s] |
---|
31 | REAL(wp), PUBLIC :: rsiday !: sideral day [s] |
---|
32 | REAL(wp), PUBLIC :: raamo = 12._wp !: number of months in one year |
---|
33 | REAL(wp), PUBLIC :: rjjhh = 24._wp !: number of hours in one day |
---|
34 | REAL(wp), PUBLIC :: rhhmm = 60._wp !: number of minutes in one hour |
---|
35 | REAL(wp), PUBLIC :: rmmss = 60._wp !: number of seconds in one minute |
---|
36 | REAL(wp), PUBLIC :: omega !: earth rotation parameter [s-1] |
---|
37 | REAL(wp), PUBLIC :: ra = 6371229._wp !: earth radius [m] |
---|
38 | REAL(wp), PUBLIC :: grav = 9.80665_wp !: gravity [m/s2] |
---|
39 | |
---|
40 | REAL(wp), PUBLIC :: rtt = 273.16_wp !: triple point of temperature [Kelvin] |
---|
41 | REAL(wp), PUBLIC :: rt0 = 273.15_wp !: freezing point of fresh water [Kelvin] |
---|
42 | #if defined key_lim3 |
---|
43 | REAL(wp), PUBLIC :: rt0_snow = 273.15_wp !: melting point of snow [Kelvin] |
---|
44 | REAL(wp), PUBLIC :: rt0_ice = 273.15_wp !: melting point of ice [Kelvin] |
---|
45 | #else |
---|
46 | REAL(wp), PUBLIC :: rt0_snow = 273.15_wp !: melting point of snow [Kelvin] |
---|
47 | REAL(wp), PUBLIC :: rt0_ice = 273.05_wp !: melting point of ice [Kelvin] |
---|
48 | #endif |
---|
49 | REAL(wp), PUBLIC :: rau0 !: volumic mass of reference [kg/m3] |
---|
50 | REAL(wp), PUBLIC :: r1_rau0 !: = 1. / rau0 [m3/kg] |
---|
51 | REAL(wp), PUBLIC :: rcp !: ocean specific heat [J/Kelvin] |
---|
52 | REAL(wp), PUBLIC :: r1_rcp !: = 1. / rcp [Kelvin/J] |
---|
53 | REAL(wp), PUBLIC :: rau0_rcp !: = rau0 * rcp |
---|
54 | REAL(wp), PUBLIC :: r1_rau0_rcp !: = 1. / ( rau0 * rcp ) |
---|
55 | |
---|
56 | REAL(wp), PUBLIC :: rhosn = 330._wp !: volumic mass of snow [kg/m3] |
---|
57 | REAL(wp), PUBLIC :: emic = 0.97_wp !: emissivity of snow or ice |
---|
58 | REAL(wp), PUBLIC :: sice = 6.0_wp !: salinity of ice [psu] |
---|
59 | REAL(wp), PUBLIC :: soce = 34.7_wp !: salinity of sea [psu] |
---|
60 | REAL(wp), PUBLIC :: cevap = 2.5e+6_wp !: latent heat of evaporation (water) |
---|
61 | REAL(wp), PUBLIC :: srgamma = 0.9_wp !: correction factor for solar radiation (Oberhuber, 1974) |
---|
62 | REAL(wp), PUBLIC :: vkarmn = 0.4_wp !: von Karman constant |
---|
63 | REAL(wp), PUBLIC :: stefan = 5.67e-8_wp !: Stefan-Boltzmann constant |
---|
64 | |
---|
65 | #if defined key_lim3 || defined key_cice |
---|
66 | REAL(wp), PUBLIC :: rhoic = 917._wp !: volumic mass of sea ice [kg/m3] |
---|
67 | REAL(wp), PUBLIC :: rcdic = 2.034396_wp !: thermal conductivity of fresh ice |
---|
68 | REAL(wp), PUBLIC :: rcdsn = 0.31_wp !: thermal conductivity of snow |
---|
69 | REAL(wp), PUBLIC :: cpic = 2067.0_wp !: specific heat for ice |
---|
70 | REAL(wp), PUBLIC :: lsub = 2.834e+6_wp !: pure ice latent heat of sublimation [J/kg] |
---|
71 | REAL(wp), PUBLIC :: lfus = 0.334e+6_wp !: latent heat of fusion of fresh ice [J/kg] |
---|
72 | REAL(wp), PUBLIC :: tmut = 0.054_wp !: decrease of seawater meltpoint with salinity |
---|
73 | REAL(wp), PUBLIC :: xlsn !: = lfus*rhosn (volumetric latent heat fusion of snow) [J/m3] |
---|
74 | #else |
---|
75 | REAL(wp), PUBLIC :: rhoic = 900._wp !: volumic mass of sea ice [kg/m3] |
---|
76 | REAL(wp), PUBLIC :: rcdic = 2.034396_wp !: conductivity of the ice [W/m/K] |
---|
77 | REAL(wp), PUBLIC :: rcpic = 1.8837e+6_wp !: volumetric specific heat for ice [J/m3/K] |
---|
78 | REAL(wp), PUBLIC :: cpic !: = rcpic / rhoic (specific heat for ice) [J/Kg/K] |
---|
79 | REAL(wp), PUBLIC :: rcdsn = 0.22_wp !: conductivity of the snow [W/m/K] |
---|
80 | REAL(wp), PUBLIC :: rcpsn = 6.9069e+5_wp !: volumetric specific heat for snow [J/m3/K] |
---|
81 | REAL(wp), PUBLIC :: xlsn = 110.121e+6_wp !: volumetric latent heat fusion of snow [J/m3] |
---|
82 | REAL(wp), PUBLIC :: lfus !: = xlsn / rhosn (latent heat of fusion of fresh ice) [J/Kg] |
---|
83 | REAL(wp), PUBLIC :: xlic = 300.33e+6_wp !: volumetric latent heat fusion of ice [J/m3] |
---|
84 | REAL(wp), PUBLIC :: xsn = 2.8e+6_wp !: volumetric latent heat of sublimation of snow [J/m3] |
---|
85 | #endif |
---|
86 | #if defined key_lim3 |
---|
87 | REAL(wp), PUBLIC :: r1_rhoic !: 1 / rhoic |
---|
88 | REAL(wp), PUBLIC :: r1_rhosn !: 1 / rhosn |
---|
89 | #endif |
---|
90 | !!---------------------------------------------------------------------- |
---|
91 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
---|
92 | !! $Id$ |
---|
93 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
94 | !!---------------------------------------------------------------------- |
---|
95 | |
---|
96 | CONTAINS |
---|
97 | |
---|
98 | SUBROUTINE phy_cst |
---|
99 | !!---------------------------------------------------------------------- |
---|
100 | !! *** ROUTINE phy_cst *** |
---|
101 | !! |
---|
102 | !! ** Purpose : Print model parameters and set and print the constants |
---|
103 | !!---------------------------------------------------------------------- |
---|
104 | CHARACTER (len=64) :: cform = "(A12, 3(A13, I7) )" |
---|
105 | !!---------------------------------------------------------------------- |
---|
106 | |
---|
107 | IF(lwp) WRITE(numout,*) |
---|
108 | IF(lwp) WRITE(numout,*) ' phy_cst : initialization of ocean parameters and constants' |
---|
109 | IF(lwp) WRITE(numout,*) ' ~~~~~~~' |
---|
110 | |
---|
111 | ! Ocean Parameters |
---|
112 | ! ---------------- |
---|
113 | IF(lwp) THEN |
---|
114 | WRITE(numout,*) ' Domain info' |
---|
115 | WRITE(numout,*) ' dimension of model' |
---|
116 | WRITE(numout,*) ' Local domain Global domain Data domain ' |
---|
117 | WRITE(numout,cform) ' ',' jpi : ', jpi, ' jpiglo : ', jpiglo, ' jpidta : ', jpidta |
---|
118 | WRITE(numout,cform) ' ',' jpj : ', jpj, ' jpjglo : ', jpjglo, ' jpjdta : ', jpjdta |
---|
119 | WRITE(numout,cform) ' ',' jpk : ', jpk, ' jpk : ', jpk , ' jpkdta : ', jpkdta |
---|
120 | WRITE(numout,*) ' ',' jpij : ', jpij |
---|
121 | WRITE(numout,*) ' mpp local domain info (mpp)' |
---|
122 | WRITE(numout,*) ' jpni : ', jpni, ' jpreci : ', jpreci |
---|
123 | WRITE(numout,*) ' jpnj : ', jpnj, ' jprecj : ', jprecj |
---|
124 | WRITE(numout,*) ' jpnij : ', jpnij |
---|
125 | WRITE(numout,*) ' lateral domain boundary condition type : jperio = ', jperio |
---|
126 | ENDIF |
---|
127 | |
---|
128 | ! Define constants |
---|
129 | ! ---------------- |
---|
130 | IF(lwp) WRITE(numout,*) |
---|
131 | IF(lwp) WRITE(numout,*) ' Constants' |
---|
132 | |
---|
133 | IF(lwp) WRITE(numout,*) |
---|
134 | IF(lwp) WRITE(numout,*) ' mathematical constant rpi = ', rpi |
---|
135 | |
---|
136 | rsiyea = 365.25_wp * rday * 2._wp * rpi / 6.283076_wp |
---|
137 | rsiday = rday / ( 1._wp + rday / rsiyea ) |
---|
138 | #if defined key_cice |
---|
139 | omega = 7.292116e-05 |
---|
140 | #else |
---|
141 | omega = 2._wp * rpi / rsiday |
---|
142 | #endif |
---|
143 | IF(lwp) WRITE(numout,*) |
---|
144 | IF(lwp) WRITE(numout,*) ' day rday = ', rday, ' s' |
---|
145 | IF(lwp) WRITE(numout,*) ' sideral year rsiyea = ', rsiyea, ' s' |
---|
146 | IF(lwp) WRITE(numout,*) ' sideral day rsiday = ', rsiday, ' s' |
---|
147 | IF(lwp) WRITE(numout,*) ' omega omega = ', omega, ' s^-1' |
---|
148 | |
---|
149 | IF(lwp) WRITE(numout,*) |
---|
150 | IF(lwp) WRITE(numout,*) ' nb of months per year raamo = ', raamo, ' months' |
---|
151 | IF(lwp) WRITE(numout,*) ' nb of hours per day rjjhh = ', rjjhh, ' hours' |
---|
152 | IF(lwp) WRITE(numout,*) ' nb of minutes per hour rhhmm = ', rhhmm, ' mn' |
---|
153 | IF(lwp) WRITE(numout,*) ' nb of seconds per minute rmmss = ', rmmss, ' s' |
---|
154 | |
---|
155 | IF(lwp) WRITE(numout,*) |
---|
156 | IF(lwp) WRITE(numout,*) ' earth radius ra = ', ra, ' m' |
---|
157 | IF(lwp) WRITE(numout,*) ' gravity grav = ', grav , ' m/s^2' |
---|
158 | |
---|
159 | IF(lwp) WRITE(numout,*) |
---|
160 | IF(lwp) WRITE(numout,*) ' triple point of temperature rtt = ', rtt , ' K' |
---|
161 | IF(lwp) WRITE(numout,*) ' freezing point of water rt0 = ', rt0 , ' K' |
---|
162 | IF(lwp) WRITE(numout,*) ' melting point of snow rt0_snow = ', rt0_snow, ' K' |
---|
163 | IF(lwp) WRITE(numout,*) ' melting point of ice rt0_ice = ', rt0_ice , ' K' |
---|
164 | |
---|
165 | IF(lwp) WRITE(numout,*) ' reference density and heat capacity now defined in eosbn2.f90' |
---|
166 | |
---|
167 | #if defined key_lim3 || defined key_cice |
---|
168 | xlsn = lfus * rhosn ! volumetric latent heat fusion of snow [J/m3] |
---|
169 | #else |
---|
170 | cpic = rcpic / rhoic ! specific heat for ice [J/Kg/K] |
---|
171 | lfus = xlsn / rhosn ! latent heat of fusion of fresh ice |
---|
172 | #endif |
---|
173 | #if defined key_lim3 |
---|
174 | r1_rhoic = 1._wp / rhoic |
---|
175 | r1_rhosn = 1._wp / rhosn |
---|
176 | #endif |
---|
177 | IF(lwp) THEN |
---|
178 | WRITE(numout,*) |
---|
179 | WRITE(numout,*) ' thermal conductivity of the snow = ', rcdsn , ' J/s/m/K' |
---|
180 | WRITE(numout,*) ' thermal conductivity of the ice = ', rcdic , ' J/s/m/K' |
---|
181 | WRITE(numout,*) ' fresh ice specific heat = ', cpic , ' J/kg/K' |
---|
182 | WRITE(numout,*) ' latent heat of fusion of fresh ice / snow = ', lfus , ' J/kg' |
---|
183 | #if defined key_lim3 || defined key_cice |
---|
184 | WRITE(numout,*) ' latent heat of subl. of fresh ice / snow = ', lsub , ' J/kg' |
---|
185 | #else |
---|
186 | WRITE(numout,*) ' density times specific heat for snow = ', rcpsn , ' J/m^3/K' |
---|
187 | WRITE(numout,*) ' density times specific heat for ice = ', rcpic , ' J/m^3/K' |
---|
188 | WRITE(numout,*) ' volumetric latent heat fusion of sea ice = ', xlic , ' J/m' |
---|
189 | WRITE(numout,*) ' latent heat of sublimation of snow = ', xsn , ' J/kg' |
---|
190 | #endif |
---|
191 | WRITE(numout,*) ' volumetric latent heat fusion of snow = ', xlsn , ' J/m^3' |
---|
192 | WRITE(numout,*) ' density of sea ice = ', rhoic , ' kg/m^3' |
---|
193 | WRITE(numout,*) ' density of snow = ', rhosn , ' kg/m^3' |
---|
194 | WRITE(numout,*) ' emissivity of snow or ice = ', emic |
---|
195 | WRITE(numout,*) ' salinity of ice = ', sice , ' psu' |
---|
196 | WRITE(numout,*) ' salinity of sea = ', soce , ' psu' |
---|
197 | WRITE(numout,*) ' latent heat of evaporation (water) = ', cevap , ' J/m^3' |
---|
198 | WRITE(numout,*) ' correction factor for solar radiation = ', srgamma |
---|
199 | WRITE(numout,*) ' von Karman constant = ', vkarmn |
---|
200 | WRITE(numout,*) ' Stefan-Boltzmann constant = ', stefan , ' J/s/m^2/K^4' |
---|
201 | WRITE(numout,*) |
---|
202 | WRITE(numout,*) ' conversion: degre ==> radian rad = ', rad |
---|
203 | WRITE(numout,*) |
---|
204 | WRITE(numout,*) ' smallest real computer value rsmall = ', rsmall |
---|
205 | ENDIF |
---|
206 | |
---|
207 | END SUBROUTINE phy_cst |
---|
208 | |
---|
209 | !!====================================================================== |
---|
210 | END MODULE phycst |
---|