[3] | 1 | MODULE phycst |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE phycst *** |
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| 4 | !! Definition of of both ocean and ice parameters used in the code |
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| 5 | !!===================================================================== |
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[1858] | 6 | !! History : OPA ! 1990-10 (C. Levy - G. Madec) Original code |
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| 7 | !! ! 1991-11 (G. Madec, M. Imbard) |
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| 8 | !! NEMO 1.0 ! 2002-08 (G. Madec, C. Ethe) F90, add ice constants |
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| 9 | !! - ! 2006-08 (G. Madec) style |
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| 10 | !! 3.0 ! 2008-08 (G. Madec) add LIM-3 |
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[888] | 11 | !!---------------------------------------------------------------------- |
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| 12 | |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | !! phy_cst : define and print physical constant and domain parameters |
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| 15 | !!---------------------------------------------------------------------- |
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[3] | 16 | USE par_oce ! ocean parameters |
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| 17 | USE in_out_manager ! I/O manager |
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| 18 | |
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| 19 | IMPLICIT NONE |
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| 20 | PRIVATE |
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| 21 | |
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[888] | 22 | PUBLIC phy_cst ! routine called by inipar.F90 |
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[3] | 23 | |
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[888] | 24 | REAL(wp), PUBLIC :: rpi = 3.141592653589793_wp !: pi |
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| 25 | REAL(wp), PUBLIC :: rad = 3.141592653589793_wp / 180._wp !: conversion from degre into radian |
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| 26 | REAL(wp), PUBLIC :: rsmall = 0.5 * EPSILON( 1. ) !: smallest real computer value |
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[3] | 27 | |
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[1858] | 28 | REAL(wp), PUBLIC :: rday = 24.*60.*60. !: day [s] |
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| 29 | REAL(wp), PUBLIC :: rsiyea !: sideral year [s] |
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| 30 | REAL(wp), PUBLIC :: rsiday !: sideral day [s] |
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| 31 | REAL(wp), PUBLIC :: raamo = 12._wp !: number of months in one year |
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| 32 | REAL(wp), PUBLIC :: rjjhh = 24._wp !: number of hours in one day |
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| 33 | REAL(wp), PUBLIC :: rhhmm = 60._wp !: number of minutes in one hour |
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| 34 | REAL(wp), PUBLIC :: rmmss = 60._wp !: number of seconds in one minute |
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| 35 | REAL(wp), PUBLIC :: omega !: earth rotation parameter [s-1] |
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| 36 | REAL(wp), PUBLIC :: ra = 6371229._wp !: earth radius [m] |
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| 37 | REAL(wp), PUBLIC :: grav = 9.80665_wp !: gravity [m/s2] |
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[3] | 38 | |
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[1858] | 39 | REAL(wp), PUBLIC :: rtt = 273.16_wp !: triple point of temperature [Kelvin] |
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| 40 | REAL(wp), PUBLIC :: rt0 = 273.15_wp !: freezing point of fresh water [Kelvin] |
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[833] | 41 | #if defined key_lim3 |
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[1858] | 42 | REAL(wp), PUBLIC :: rt0_snow = 273.16_wp !: melting point of snow [Kelvin] |
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| 43 | REAL(wp), PUBLIC :: rt0_ice = 273.16_wp !: melting point of ice [Kelvin] |
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[833] | 44 | #else |
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[1858] | 45 | REAL(wp), PUBLIC :: rt0_snow = 273.15_wp !: melting point of snow [Kelvin] |
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| 46 | REAL(wp), PUBLIC :: rt0_ice = 273.05_wp !: melting point of ice [Kelvin] |
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[833] | 47 | #endif |
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[1858] | 48 | REAL(wp), PUBLIC :: rau0 = 1035._wp !: volumic mass of reference [kg/m3] |
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| 49 | REAL(wp), PUBLIC :: r1_rau0 !: = 1. / rau0 [m3/kg] |
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| 50 | REAL(wp), PUBLIC :: rauw = 1000._wp !: volumic mass of pure water [m3/kg] |
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| 51 | REAL(wp), PUBLIC :: rcp = 4.e3_wp !: ocean specific heat [J/Kelvin] |
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| 52 | REAL(wp), PUBLIC :: r1_rcp !: = 1. / rcp [Kelvin/J] |
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| 53 | REAL(wp), PUBLIC :: r1_rau0_rcp !: = 1. / ( rau0 * rcp ) |
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[3] | 54 | |
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[1858] | 55 | REAL(wp), PUBLIC :: rhosn = 330._wp !: volumic mass of snow [kg/m3] |
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| 56 | REAL(wp), PUBLIC :: emic = 0.97_wp !: emissivity of snow or ice |
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| 57 | REAL(wp), PUBLIC :: sice = 6.0_wp !: salinity of ice (psu) |
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| 58 | REAL(wp), PUBLIC :: soce = 34.7_wp !: salinity of sea (psu) |
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| 59 | |
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[833] | 60 | #if defined key_lim3 |
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[1858] | 61 | REAL(wp), PUBLIC :: rhoic = 917._wp !: volumic mass of sea ice [kg/m3] |
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| 62 | REAL(wp), PUBLIC :: rcdic = 2.034396_wp !: thermal conductivity of fresh ice |
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| 63 | REAL(wp), PUBLIC :: rcdsn = 0.31_wp !: thermal conductivity of snow |
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| 64 | REAL(wp), PUBLIC :: cpic = 2067.0_wp !: specific heat for ice |
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| 65 | REAL(wp), PUBLIC :: lsub = 2.834e+6_wp !: pure ice latent heat of sublimation [J/kg] |
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| 66 | REAL(wp), PUBLIC :: lfus = 0.334e+6_wp !: latent heat of fusion of fresh ice [J/kg] |
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| 67 | REAL(wp), PUBLIC :: tmut = 0.054_wp !: decrease of seawater meltpoint with salinity |
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| 68 | REAL(wp), PUBLIC :: xlsn !: = lfus*rhosn (volumetric latent heat fusion of snow) [J/m3] |
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[833] | 69 | #else |
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[1858] | 70 | REAL(wp), PUBLIC :: rhoic = 900._wp !: volumic mass of sea ice [kg/m3] |
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| 71 | REAL(wp), PUBLIC :: rcdic = 2.034396_wp !: conductivity of the ice [W/m/K] |
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| 72 | REAL(wp), PUBLIC :: rcpic = 1.8837e+6_wp !: volumetric specific heat for ice [J/m3/K] |
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| 73 | REAL(wp), PUBLIC :: cpic !: = rcpic / rhoic (specific heat for ice) [J/Kg/K] |
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| 74 | REAL(wp), PUBLIC :: rcdsn = 0.22_wp !: conductivity of the snow [W/m/K] |
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| 75 | REAL(wp), PUBLIC :: rcpsn = 6.9069e+5_wp !: volumetric specific heat for snow [J/m3/K] |
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| 76 | REAL(wp), PUBLIC :: xlsn = 110.121e+6_wp !: volumetric latent heat fusion of snow [J/m3] |
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| 77 | REAL(wp), PUBLIC :: lfus !: = xlsn / rhosn (latent heat of fusion of fresh ice) [J/Kg] |
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| 78 | REAL(wp), PUBLIC :: xlic = 300.33e+6_wp !: volumetric latent heat fusion of ice [J/m3] |
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| 79 | REAL(wp), PUBLIC :: xsn = 2.8e+6_wp !: volumetric latent heat of sublimation of snow [J/m3] |
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[833] | 80 | #endif |
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[1858] | 81 | REAL(wp), PUBLIC :: cevap = 2.5e+6_wp !: latent heat of evaporation (water) |
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| 82 | REAL(wp), PUBLIC :: srgamma = 0.9_wp !: correction factor for solar radiation (Oberhuber, 1974) |
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| 83 | REAL(wp), PUBLIC :: vkarmn = 0.4_wp !: von Karman constant |
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| 84 | REAL(wp), PUBLIC :: stefan = 5.67e-8_wp !: Stefan-Boltzmann constant |
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| 85 | !!---------------------------------------------------------------------- |
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| 86 | !! NEMO/OPA 3.3 , LOCEAN-IPSL (2010) |
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| 87 | !! $Id$ |
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| 88 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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| 89 | !!---------------------------------------------------------------------- |
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[3] | 90 | CONTAINS |
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| 91 | |
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| 92 | SUBROUTINE phy_cst |
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| 93 | !!---------------------------------------------------------------------- |
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| 94 | !! *** ROUTINE phy_cst *** |
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| 95 | !! |
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| 96 | !! ** Purpose : Print model parameters and set and print the constants |
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| 97 | !!---------------------------------------------------------------------- |
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[888] | 98 | CHARACTER (len=64) :: cform = "(A12, 3(A13, I7) )" |
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[3] | 99 | !!---------------------------------------------------------------------- |
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| 100 | |
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| 101 | IF(lwp) WRITE(numout,*) |
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| 102 | IF(lwp) WRITE(numout,*) ' phy_cst : initialization of ocean parameters and constants' |
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| 103 | IF(lwp) WRITE(numout,*) ' ~~~~~~~' |
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| 104 | |
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| 105 | ! Ocean Parameters |
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| 106 | ! ---------------- |
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| 107 | IF(lwp) THEN |
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[888] | 108 | WRITE(numout,*) ' Domain info' |
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[88] | 109 | WRITE(numout,*) ' dimension of model' |
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[888] | 110 | WRITE(numout,*) ' Local domain Global domain Data domain ' |
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| 111 | WRITE(numout,cform) ' ',' jpi : ', jpi, ' jpiglo : ', jpiglo, ' jpidta : ', jpidta |
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| 112 | WRITE(numout,cform) ' ',' jpj : ', jpj, ' jpjglo : ', jpjglo, ' jpjdta : ', jpjdta |
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| 113 | WRITE(numout,cform) ' ',' jpk : ', jpk, ' jpk : ', jpk , ' jpkdta : ', jpkdta |
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| 114 | WRITE(numout,*) ' ',' jpij : ', jpij |
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[88] | 115 | WRITE(numout,*) ' mpp local domain info (mpp)' |
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| 116 | WRITE(numout,*) ' jpni : ', jpni, ' jpreci : ', jpreci |
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| 117 | WRITE(numout,*) ' jpnj : ', jpnj, ' jprecj : ', jprecj |
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| 118 | WRITE(numout,*) ' jpnij : ', jpnij |
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| 119 | WRITE(numout,*) ' lateral domain boundary condition type : jperio = ', jperio |
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[3] | 120 | ENDIF |
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| 121 | |
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| 122 | ! Define constants |
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| 123 | ! ---------------- |
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| 124 | IF(lwp) WRITE(numout,*) |
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[888] | 125 | IF(lwp) WRITE(numout,*) ' Constants' |
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[3] | 126 | |
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| 127 | IF(lwp) WRITE(numout,*) |
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[88] | 128 | IF(lwp) WRITE(numout,*) ' mathematical constant rpi = ', rpi |
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[3] | 129 | |
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| 130 | rsiyea = 365.25 * rday * 2. * rpi / 6.283076 |
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| 131 | rsiday = rday / ( 1. + rday / rsiyea ) |
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| 132 | omega = 2. * rpi / rsiday |
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| 133 | IF(lwp) WRITE(numout,*) |
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[88] | 134 | IF(lwp) WRITE(numout,*) ' day rday = ', rday, ' s' |
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| 135 | IF(lwp) WRITE(numout,*) ' sideral year rsiyea = ', rsiyea, ' s' |
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| 136 | IF(lwp) WRITE(numout,*) ' sideral day rsiday = ', rsiday, ' s' |
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| 137 | IF(lwp) WRITE(numout,*) ' omega omega = ', omega, ' s-1' |
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[3] | 138 | |
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| 139 | IF(lwp) WRITE(numout,*) |
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[88] | 140 | IF(lwp) WRITE(numout,*) ' nb of months per year raamo = ', raamo, ' months' |
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| 141 | IF(lwp) WRITE(numout,*) ' nb of hours per day rjjhh = ', rjjhh, ' hours' |
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| 142 | IF(lwp) WRITE(numout,*) ' nb of minutes per hour rhhmm = ', rhhmm, ' mn' |
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| 143 | IF(lwp) WRITE(numout,*) ' nb of seconds per minute rmmss = ', rmmss, ' s' |
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[3] | 144 | |
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| 145 | IF(lwp) WRITE(numout,*) |
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[88] | 146 | IF(lwp) WRITE(numout,*) ' earth radius ra = ', ra, ' m' |
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| 147 | IF(lwp) WRITE(numout,*) ' gravity grav = ', grav , ' m/s^2' |
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[3] | 148 | |
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| 149 | IF(lwp) WRITE(numout,*) |
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[88] | 150 | IF(lwp) WRITE(numout,*) ' triple point of temperature rtt = ', rtt , ' K' |
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| 151 | IF(lwp) WRITE(numout,*) ' freezing point of water rt0 = ', rt0 , ' K' |
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| 152 | IF(lwp) WRITE(numout,*) ' melting point of snow rt0_snow = ', rt0_snow, ' K' |
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| 153 | IF(lwp) WRITE(numout,*) ' melting point of ice rt0_ice = ', rt0_ice , ' K' |
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[3] | 154 | |
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[1858] | 155 | r1_rau0 = 1.e0 / rau0 |
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| 156 | r1_rcp = 1.e0 / rcp |
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| 157 | r1_rau0_rcp = 1.e0 / ( rau0 * rcp ) |
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[3] | 158 | IF(lwp) WRITE(numout,*) |
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[1858] | 159 | IF(lwp) WRITE(numout,*) ' volumic mass of pure water rauw = ', rauw , ' kg/m3' |
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| 160 | IF(lwp) WRITE(numout,*) ' volumic mass of reference rau0 = ', rau0 , ' kg/m3' |
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| 161 | IF(lwp) WRITE(numout,*) ' 1. / rau0 r1_rau0 = ', r1_rau0, ' m3/kg' |
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| 162 | IF(lwp) WRITE(numout,*) ' ocean specific heat rcp = ', rcp , ' J/Kelvin' |
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| 163 | IF(lwp) WRITE(numout,*) ' 1. / ( rau0 * rcp ) r1_rau0_rcp = ', r1_rau0_rcp |
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[3] | 164 | |
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[1858] | 165 | |
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| 166 | #if defined key_lim3 |
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| 167 | xlsn = lfus * rhosn ! volumetric latent heat fusion of snow [J/m3] |
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| 168 | #else |
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| 169 | cpic = rcpic / rhoic ! specific heat for ice [J/Kg/K] |
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| 170 | lfus = xlsn / rhosn ! latent heat of fusion of fresh ice |
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| 171 | #endif |
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| 172 | |
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[3] | 173 | IF(lwp) THEN |
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| 174 | WRITE(numout,*) |
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[88] | 175 | WRITE(numout,*) ' thermal conductivity of the snow = ', rcdsn , ' J/s/m/K' |
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| 176 | WRITE(numout,*) ' thermal conductivity of the ice = ', rcdic , ' J/s/m/K' |
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[833] | 177 | WRITE(numout,*) ' fresh ice specific heat = ', cpic , ' J/kg/K' |
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| 178 | WRITE(numout,*) ' latent heat of fusion of fresh ice / snow = ', lfus , ' J/kg' |
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[1858] | 179 | #if defined key_lim3 |
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[833] | 180 | WRITE(numout,*) ' latent heat of subl. of fresh ice / snow = ', lsub , ' J/kg' |
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| 181 | #else |
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[1858] | 182 | WRITE(numout,*) ' density times specific heat for snow = ', rcpsn , ' J/m3/K' |
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| 183 | WRITE(numout,*) ' density times specific heat for ice = ', rcpic , ' J/m3/K' |
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[88] | 184 | WRITE(numout,*) ' volumetric latent heat fusion of sea ice = ', xlic , ' J/m' |
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| 185 | WRITE(numout,*) ' latent heat of sublimation of snow = ', xsn , ' J/kg' |
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[833] | 186 | #endif |
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[1858] | 187 | WRITE(numout,*) ' volumetric latent heat fusion of snow = ', xlsn , ' J/m^3' |
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| 188 | WRITE(numout,*) ' density of sea ice = ', rhoic , ' kg/m3' |
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| 189 | WRITE(numout,*) ' density of snow = ', rhosn , ' kg/m3' |
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[88] | 190 | WRITE(numout,*) ' emissivity of snow or ice = ', emic |
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| 191 | WRITE(numout,*) ' salinity of ice = ', sice , ' psu' |
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| 192 | WRITE(numout,*) ' salinity of sea = ', soce , ' psu' |
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[1858] | 193 | WRITE(numout,*) ' latent heat of evaporation (water) = ', cevap , ' J/m3' |
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[88] | 194 | WRITE(numout,*) ' correction factor for solar radiation = ', srgamma |
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| 195 | WRITE(numout,*) ' von Karman constant = ', vkarmn |
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| 196 | WRITE(numout,*) ' Stefan-Boltzmann constant = ', stefan , ' J/s/m^2/K^4' |
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[3] | 197 | |
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| 198 | WRITE(numout,*) |
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[88] | 199 | WRITE(numout,*) ' conversion: degre ==> radian rad = ', rad |
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[3] | 200 | |
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| 201 | WRITE(numout,*) |
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[88] | 202 | WRITE(numout,*) ' smallest real computer value rsmall = ', rsmall |
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[3] | 203 | ENDIF |
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[1858] | 204 | ! |
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[3] | 205 | END SUBROUTINE phy_cst |
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| 206 | |
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| 207 | !!====================================================================== |
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| 208 | END MODULE phycst |
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