[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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[1932] | 6 | !! History : OPA ! 1990-10 (C. Levy - G. Madec) Original code |
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| 7 | !! 8.1 ! 1991-11 (G. Madec, M. Imbard) cosmetic changes |
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| 8 | !! NEMO 1.0 ! 2002-08 (G. Madec, C. Ethe) F90, add ice constants |
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[1860] | 9 | !! - ! 2006-08 (G. Madec) style |
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[1932] | 10 | !! 3.2 ! 2006-08 (S. Masson, G. Madec) suppress useless variables + style |
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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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[1932] | 26 | REAL(wp), PUBLIC :: rsmall = 0.5 * EPSILON( 1.e0 ) !: smallest real computer value |
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[3] | 27 | |
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[1932] | 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 = 7.292115083046061e-5_wp , & !: change the last digit! |
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| 36 | REAL(wp), PUBLIC :: omega !: earth rotation parameter |
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| 37 | REAL(wp), PUBLIC :: ra = 6371229._wp !: earth radius (meter) |
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| 38 | REAL(wp), PUBLIC :: grav = 9.80665_wp !: gravity (m/s2) |
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[3] | 39 | |
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[1932] | 40 | REAL(wp), PUBLIC :: rtt = 273.16_wp !: triple point of temperature (Kelvin) |
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| 41 | REAL(wp), PUBLIC :: rt0 = 273.15_wp !: freezing point of water (Kelvin) |
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[833] | 42 | #if defined key_lim3 |
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[1932] | 43 | REAL(wp), PUBLIC :: rt0_snow = 273.16_wp !: melting point of snow (Kelvin) |
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| 44 | REAL(wp), PUBLIC :: rt0_ice = 273.16_wp !: melting point of ice (Kelvin) |
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[833] | 45 | #else |
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[1932] | 46 | REAL(wp), PUBLIC :: rt0_snow = 273.15_wp !: melting point of snow (Kelvin) |
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| 47 | REAL(wp), PUBLIC :: rt0_ice = 273.05_wp !: melting point of ice (Kelvin) |
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[833] | 48 | #endif |
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[3] | 49 | |
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[2277] | 50 | REAL(wp), PUBLIC :: rau0 = 1035._wp !: reference volumic mass (density) (kg/m3) |
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[1932] | 51 | REAL(wp), PUBLIC :: rau0r !: reference specific volume (m3/kg) |
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| 52 | REAL(wp), PUBLIC :: rcp = 4.e+3_wp !: ocean specific heat |
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| 53 | REAL(wp), PUBLIC :: ro0cpr !: = 1. / ( rau0 * rcp ) |
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| 54 | |
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[833] | 55 | #if defined key_lim3 |
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[1932] | 56 | REAL(wp), PUBLIC :: rcdsn = 0.31_wp !: thermal conductivity of snow |
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| 57 | REAL(wp), PUBLIC :: rcdic = 2.034396_wp !: thermal conductivity of fresh ice |
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| 58 | REAL(wp), PUBLIC :: cpic = 2067.0 !: specific heat of sea ice |
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| 59 | REAL(wp), PUBLIC :: lsub = 2.834e+6 !: pure ice latent heat of sublimation (J.kg-1) |
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| 60 | REAL(wp), PUBLIC :: lfus = 0.334e+6 !: latent heat of fusion of fresh ice (J.kg-1) |
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| 61 | REAL(wp), PUBLIC :: rhoic = 917._wp !: volumic mass of sea ice (kg/m3) |
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| 62 | REAL(wp), PUBLIC :: tmut = 0.054 !: decrease of seawater meltpoint with salinity |
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[833] | 63 | #else |
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[1932] | 64 | REAL(wp), PUBLIC :: rcdsn = 0.22_wp !: conductivity of the snow |
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| 65 | REAL(wp), PUBLIC :: rcdic = 2.034396_wp !: conductivity of the ice |
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| 66 | REAL(wp), PUBLIC :: rcpsn = 6.9069e+5_wp !: density times specific heat for snow |
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| 67 | REAL(wp), PUBLIC :: rcpic = 1.8837e+6_wp !: volumetric latent heat fusion of sea ice |
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[2044] | 68 | REAL(wp), PUBLIC :: lfus = 0.3337e+6 !: latent heat of fusion of fresh ice (J.kg-1) |
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[1932] | 69 | REAL(wp), PUBLIC :: xlsn = 110.121e+6_wp !: volumetric latent heat fusion of snow |
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| 70 | REAL(wp), PUBLIC :: xlic = 300.33e+6_wp !: volumetric latent heat fusion of ice |
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| 71 | REAL(wp), PUBLIC :: xsn = 2.8e+6 !: latent heat of sublimation of snow |
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| 72 | REAL(wp), PUBLIC :: rhoic = 900._wp !: volumic mass of sea ice (kg/m3) |
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[833] | 73 | #endif |
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[1932] | 74 | REAL(wp), PUBLIC :: rhosn = 330._wp !: volumic mass of snow (kg/m3) |
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| 75 | REAL(wp), PUBLIC :: emic = 0.97_wp !: emissivity of snow or ice |
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| 76 | REAL(wp), PUBLIC :: sice = 6.0_wp !: reference salinity of ice (psu) |
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| 77 | REAL(wp), PUBLIC :: soce = 34.7_wp !: reference salinity of sea (psu) |
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| 78 | REAL(wp), PUBLIC :: cevap = 2.5e+6_wp !: latent heat of evaporation (water) |
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| 79 | REAL(wp), PUBLIC :: srgamma = 0.9_wp !: correction factor for solar radiation (Oberhuber, 1974) |
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| 80 | REAL(wp), PUBLIC :: vkarmn = 0.4_wp !: von Karman constant |
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| 81 | REAL(wp), PUBLIC :: stefan = 5.67e-8_wp !: Stefan-Boltzmann constant |
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| 82 | !!---------------------------------------------------------------------- |
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[2528] | 83 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[1932] | 84 | !! $Id$ |
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[2528] | 85 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[1932] | 86 | !!---------------------------------------------------------------------- |
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[3] | 87 | |
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| 88 | CONTAINS |
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| 89 | |
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| 90 | SUBROUTINE phy_cst |
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| 91 | !!---------------------------------------------------------------------- |
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| 92 | !! *** ROUTINE phy_cst *** |
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| 93 | !! |
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| 94 | !! ** Purpose : Print model parameters and set and print the constants |
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| 95 | !!---------------------------------------------------------------------- |
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[888] | 96 | CHARACTER (len=64) :: cform = "(A12, 3(A13, I7) )" |
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[3] | 97 | !!---------------------------------------------------------------------- |
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| 98 | |
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[1932] | 99 | ! ! Define additional parameters |
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| 100 | rsiyea = 365.25 * rday * 2. * rpi / 6.283076 |
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| 101 | rsiday = rday / ( 1. + rday / rsiyea ) |
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| 102 | omega = 2. * rpi / rsiday |
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[3] | 103 | |
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[1932] | 104 | rau0r = 1. / rau0 |
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| 105 | ro0cpr = 1. / ( rau0 * rcp ) |
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| 106 | |
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| 107 | |
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| 108 | IF(lwp) THEN ! control print |
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| 109 | WRITE(numout,*) |
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| 110 | WRITE(numout,*) ' phy_cst : initialization of ocean parameters and constants' |
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| 111 | WRITE(numout,*) ' ~~~~~~~' |
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[888] | 112 | WRITE(numout,*) ' Domain info' |
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[88] | 113 | WRITE(numout,*) ' dimension of model' |
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[888] | 114 | WRITE(numout,*) ' Local domain Global domain Data domain ' |
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| 115 | WRITE(numout,cform) ' ',' jpi : ', jpi, ' jpiglo : ', jpiglo, ' jpidta : ', jpidta |
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| 116 | WRITE(numout,cform) ' ',' jpj : ', jpj, ' jpjglo : ', jpjglo, ' jpjdta : ', jpjdta |
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| 117 | WRITE(numout,cform) ' ',' jpk : ', jpk, ' jpk : ', jpk , ' jpkdta : ', jpkdta |
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| 118 | WRITE(numout,*) ' ',' jpij : ', jpij |
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[88] | 119 | WRITE(numout,*) ' mpp local domain info (mpp)' |
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| 120 | WRITE(numout,*) ' jpni : ', jpni, ' jpreci : ', jpreci |
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| 121 | WRITE(numout,*) ' jpnj : ', jpnj, ' jprecj : ', jprecj |
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| 122 | WRITE(numout,*) ' jpnij : ', jpnij |
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| 123 | WRITE(numout,*) ' lateral domain boundary condition type : jperio = ', jperio |
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[3] | 124 | WRITE(numout,*) |
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[1932] | 125 | WRITE(numout,*) ' Constants' |
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| 126 | WRITE(numout,*) |
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| 127 | WRITE(numout,*) ' mathematical constant rpi = ', rpi |
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| 128 | WRITE(numout,*) ' day rday = ', rday, ' s' |
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| 129 | WRITE(numout,*) ' sideral year rsiyea = ', rsiyea, ' s' |
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| 130 | WRITE(numout,*) ' sideral day rsiday = ', rsiday, ' s' |
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| 131 | WRITE(numout,*) ' omega omega = ', omega, ' s-1' |
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| 132 | WRITE(numout,*) |
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| 133 | WRITE(numout,*) ' nb of months per year raamo = ', raamo, ' months' |
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| 134 | WRITE(numout,*) ' nb of hours per day rjjhh = ', rjjhh, ' hours' |
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| 135 | WRITE(numout,*) ' nb of minutes per hour rhhmm = ', rhhmm, ' mn' |
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| 136 | WRITE(numout,*) ' nb of seconds per minute rmmss = ', rmmss, ' s' |
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| 137 | WRITE(numout,*) |
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| 138 | WRITE(numout,*) ' earth radius ra = ', ra, ' m' |
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| 139 | WRITE(numout,*) ' gravity grav = ', grav , ' m/s^2' |
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| 140 | WRITE(numout,*) |
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| 141 | WRITE(numout,*) ' triple point of temperature rtt = ', rtt , ' K' |
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| 142 | WRITE(numout,*) ' freezing point of water rt0 = ', rt0 , ' K' |
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| 143 | WRITE(numout,*) ' melting point of snow rt0_snow = ', rt0_snow, ' K' |
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| 144 | WRITE(numout,*) ' melting point of ice rt0_ice = ', rt0_ice , ' K' |
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| 145 | WRITE(numout,*) |
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| 146 | WRITE(numout,*) ' ocean reference volumic mass rau0 = ', rau0 , ' kg/m^3' |
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| 147 | WRITE(numout,*) ' ocean reference specific volume rau0r = ', rau0r, ' m^3/Kg' |
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| 148 | WRITE(numout,*) ' ocean specific heat rcp = ', rcp |
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| 149 | WRITE(numout,*) ' 1. / ( rau0 * rcp ) = ro0cpr = ', ro0cpr |
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| 150 | WRITE(numout,*) |
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[88] | 151 | WRITE(numout,*) ' thermal conductivity of the snow = ', rcdsn , ' J/s/m/K' |
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| 152 | WRITE(numout,*) ' thermal conductivity of the ice = ', rcdic , ' J/s/m/K' |
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[833] | 153 | #if defined key_lim3 |
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| 154 | WRITE(numout,*) ' fresh ice specific heat = ', cpic , ' J/kg/K' |
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| 155 | WRITE(numout,*) ' latent heat of fusion of fresh ice / snow = ', lfus , ' J/kg' |
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| 156 | WRITE(numout,*) ' latent heat of subl. of fresh ice / snow = ', lsub , ' J/kg' |
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| 157 | #else |
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[88] | 158 | WRITE(numout,*) ' density times specific heat for snow = ', rcpsn , ' J/m^3/K' |
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| 159 | WRITE(numout,*) ' density times specific heat for ice = ', rcpic , ' J/m^3/K' |
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| 160 | WRITE(numout,*) ' volumetric latent heat fusion of sea ice = ', xlic , ' J/m' |
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| 161 | WRITE(numout,*) ' volumetric latent heat fusion of snow = ', xlsn , ' J/m' |
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| 162 | WRITE(numout,*) ' latent heat of sublimation of snow = ', xsn , ' J/kg' |
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[833] | 163 | #endif |
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[88] | 164 | WRITE(numout,*) ' density of sea ice = ', rhoic , ' kg/m^3' |
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| 165 | WRITE(numout,*) ' density of snow = ', rhosn , ' kg/m^3' |
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| 166 | WRITE(numout,*) ' emissivity of snow or ice = ', emic |
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| 167 | WRITE(numout,*) ' salinity of ice = ', sice , ' psu' |
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| 168 | WRITE(numout,*) ' salinity of sea = ', soce , ' psu' |
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| 169 | WRITE(numout,*) ' latent heat of evaporation (water) = ', cevap , ' J/m^3' |
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| 170 | WRITE(numout,*) ' correction factor for solar radiation = ', srgamma |
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| 171 | WRITE(numout,*) ' von Karman constant = ', vkarmn |
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| 172 | WRITE(numout,*) ' Stefan-Boltzmann constant = ', stefan , ' J/s/m^2/K^4' |
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[3] | 173 | WRITE(numout,*) |
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[88] | 174 | WRITE(numout,*) ' conversion: degre ==> radian rad = ', rad |
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[3] | 175 | WRITE(numout,*) |
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[88] | 176 | WRITE(numout,*) ' smallest real computer value rsmall = ', rsmall |
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[3] | 177 | ENDIF |
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| 178 | |
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| 179 | END SUBROUTINE phy_cst |
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| 180 | |
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| 181 | !!====================================================================== |
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| 182 | END MODULE phycst |
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