[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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[1860] | 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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[888] | 10 | !!---------------------------------------------------------------------- |
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| 11 | |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! phy_cst : define and print physical constant and domain parameters |
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| 14 | !!---------------------------------------------------------------------- |
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[3] | 15 | USE par_oce ! ocean parameters |
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| 16 | USE in_out_manager ! I/O manager |
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| 17 | |
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| 18 | IMPLICIT NONE |
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| 19 | PRIVATE |
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| 20 | |
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[888] | 21 | PUBLIC phy_cst ! routine called by inipar.F90 |
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[3] | 22 | |
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[888] | 23 | REAL(wp), PUBLIC :: rpi = 3.141592653589793_wp !: pi |
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| 24 | REAL(wp), PUBLIC :: rad = 3.141592653589793_wp / 180._wp !: conversion from degre into radian |
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| 25 | REAL(wp), PUBLIC :: rsmall = 0.5 * EPSILON( 1. ) !: smallest real computer value |
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[3] | 26 | |
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[15] | 27 | REAL(wp), PUBLIC :: & !: |
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[3] | 28 | rday = 24.*60.*60. , & !: day (s) |
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| 29 | rsiyea , & !: sideral year (s) |
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| 30 | rsiday , & !: sideral day (s) |
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| 31 | raamo = 12._wp , & !: number of months in one year |
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| 32 | rjjhh = 24._wp , & !: number of hours in one day |
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| 33 | rhhmm = 60._wp , & !: number of minutes in one hour |
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| 34 | rmmss = 60._wp , & !: number of seconds in one minute |
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| 35 | !!! omega = 7.292115083046061e-5_wp , & !: change the last digit! |
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| 36 | omega , & !: earth rotation parameter |
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| 37 | ra = 6371229._wp , & !: earth radius (meter) |
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[15] | 38 | grav = 9.80665_wp !: gravity (m/s2) |
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[3] | 39 | |
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[15] | 40 | REAL(wp), PUBLIC :: & !: |
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[3] | 41 | rtt = 273.16_wp , & !: triple point of temperature (Kelvin) |
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| 42 | rt0 = 273.15_wp , & !: freezing point of water (Kelvin) |
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[833] | 43 | #if defined key_lim3 |
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| 44 | rt0_snow = 273.16_wp , & !: melting point of snow (Kelvin) |
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| 45 | rt0_ice = 273.16_wp , & !: melting point of ice (Kelvin) |
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| 46 | #else |
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[3] | 47 | rt0_snow = 273.15_wp , & !: melting point of snow (Kelvin) |
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| 48 | rt0_ice = 273.05_wp , & !: melting point of ice (Kelvin) |
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[833] | 49 | #endif |
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[1739] | 50 | rau0 = 1035._wp , & !: volumic mass of reference (kg/m3) |
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[888] | 51 | rauw = 1000._wp , & !: volumic mass of pure water (kg/m3) |
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[3] | 52 | rcp = 4.e+3_wp, & !: ocean specific heat |
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| 53 | ro0cpr !: = 1. / ( rau0 * rcp ) |
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| 54 | |
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[15] | 55 | REAL(wp), PUBLIC :: & !: |
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[833] | 56 | #if defined key_lim3 |
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| 57 | rcdsn = 0.31_wp , & !: thermal conductivity of snow |
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| 58 | rcdic = 2.034396_wp , & !: thermal conductivity of fresh ice |
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| 59 | cpic = 2067.0 , & |
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| 60 | lsub = 2.834e+6 , & !: pure ice latent heat of sublimation (J.kg-1) |
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| 61 | lfus = 0.334e+6 , & !: latent heat of fusion of fresh ice (J.kg-1) |
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[888] | 62 | rhoic = 917._wp , & !: volumic mass of sea ice (kg/m3) |
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[833] | 63 | tmut = 0.054 , & !: decrease of seawater meltpoint with salinity |
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| 64 | #else |
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[3] | 65 | rcdsn = 0.22_wp , & !: conductivity of the snow |
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| 66 | rcdic = 2.034396_wp , & !: conductivity of the ice |
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| 67 | rcpsn = 6.9069e+5_wp, & !: density times specific heat for snow |
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| 68 | rcpic = 1.8837e+6_wp, & !: volumetric latent heat fusion of sea ice |
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[1860] | 69 | lfus = 0.3337e+6 , & !: latent heat of fusion of fresh ice (J.kg-1) |
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| 70 | xlsn = 110.121e+6_wp , & !: = lfus * rhosn, volumetric latent heat fusion of snow |
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| 71 | xlic = 300.33e+6_wp , & !: = lfus * rhosn, volumetric latent heat fusion of ice |
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[3] | 72 | xsn = 2.8e+6 , & !: latent heat of sublimation of snow |
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[888] | 73 | rhoic = 900._wp , & !: volumic mass of sea ice (kg/m3) |
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[833] | 74 | #endif |
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[888] | 75 | rhosn = 330._wp , & !: volumic mass of snow (kg/m3) |
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[3] | 76 | emic = 0.97_wp , & !: emissivity of snow or ice |
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| 77 | sice = 6.0_wp , & !: salinity of ice (psu) |
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| 78 | soce = 34.7_wp , & !: salinity of sea (psu) |
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| 79 | cevap = 2.5e+6_wp , & !: latent heat of evaporation (water) |
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| 80 | srgamma = 0.9_wp , & !: correction factor for solar radiation (Oberhuber, 1974) |
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| 81 | vkarmn = 0.4_wp , & !: von Karman constant |
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| 82 | stefan = 5.67e-8_wp !: Stefan-Boltzmann constant |
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[719] | 83 | !!---------------------------------------------------------------------- |
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[1860] | 84 | !! NEMO/OPA 3.2 , LOCEAN-IPSL (2010) |
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[1152] | 85 | !! $Id$ |
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[1860] | 86 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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[719] | 87 | !!---------------------------------------------------------------------- |
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[3] | 88 | |
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| 89 | CONTAINS |
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| 90 | |
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| 91 | SUBROUTINE phy_cst |
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| 92 | !!---------------------------------------------------------------------- |
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| 93 | !! *** ROUTINE phy_cst *** |
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| 94 | !! |
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| 95 | !! ** Purpose : Print model parameters and set and print the constants |
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| 96 | !!---------------------------------------------------------------------- |
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[888] | 97 | CHARACTER (len=64) :: cform = "(A12, 3(A13, I7) )" |
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[3] | 98 | !!---------------------------------------------------------------------- |
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| 99 | |
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| 100 | IF(lwp) WRITE(numout,*) |
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| 101 | IF(lwp) WRITE(numout,*) ' phy_cst : initialization of ocean parameters and constants' |
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| 102 | IF(lwp) WRITE(numout,*) ' ~~~~~~~' |
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| 103 | |
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| 104 | ! Ocean Parameters |
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| 105 | ! ---------------- |
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| 106 | IF(lwp) THEN |
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[888] | 107 | WRITE(numout,*) ' Domain info' |
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[88] | 108 | WRITE(numout,*) ' dimension of model' |
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[888] | 109 | WRITE(numout,*) ' Local domain Global domain Data domain ' |
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| 110 | WRITE(numout,cform) ' ',' jpi : ', jpi, ' jpiglo : ', jpiglo, ' jpidta : ', jpidta |
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| 111 | WRITE(numout,cform) ' ',' jpj : ', jpj, ' jpjglo : ', jpjglo, ' jpjdta : ', jpjdta |
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| 112 | WRITE(numout,cform) ' ',' jpk : ', jpk, ' jpk : ', jpk , ' jpkdta : ', jpkdta |
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| 113 | WRITE(numout,*) ' ',' jpij : ', jpij |
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[88] | 114 | WRITE(numout,*) ' mpp local domain info (mpp)' |
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| 115 | WRITE(numout,*) ' jpni : ', jpni, ' jpreci : ', jpreci |
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| 116 | WRITE(numout,*) ' jpnj : ', jpnj, ' jprecj : ', jprecj |
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| 117 | WRITE(numout,*) ' jpnij : ', jpnij |
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| 118 | WRITE(numout,*) ' lateral domain boundary condition type : jperio = ', jperio |
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[3] | 119 | ENDIF |
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| 120 | |
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| 121 | ! Define constants |
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| 122 | ! ---------------- |
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| 123 | IF(lwp) WRITE(numout,*) |
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[888] | 124 | IF(lwp) WRITE(numout,*) ' Constants' |
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[3] | 125 | |
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| 126 | IF(lwp) WRITE(numout,*) |
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[88] | 127 | IF(lwp) WRITE(numout,*) ' mathematical constant rpi = ', rpi |
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[3] | 128 | |
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| 129 | rsiyea = 365.25 * rday * 2. * rpi / 6.283076 |
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| 130 | rsiday = rday / ( 1. + rday / rsiyea ) |
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| 131 | omega = 2. * rpi / rsiday |
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| 132 | IF(lwp) WRITE(numout,*) |
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[88] | 133 | IF(lwp) WRITE(numout,*) ' day rday = ', rday, ' s' |
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| 134 | IF(lwp) WRITE(numout,*) ' sideral year rsiyea = ', rsiyea, ' s' |
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| 135 | IF(lwp) WRITE(numout,*) ' sideral day rsiday = ', rsiday, ' s' |
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| 136 | IF(lwp) WRITE(numout,*) ' omega omega = ', omega, ' s-1' |
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[3] | 137 | |
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| 138 | IF(lwp) WRITE(numout,*) |
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[88] | 139 | IF(lwp) WRITE(numout,*) ' nb of months per year raamo = ', raamo, ' months' |
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| 140 | IF(lwp) WRITE(numout,*) ' nb of hours per day rjjhh = ', rjjhh, ' hours' |
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| 141 | IF(lwp) WRITE(numout,*) ' nb of minutes per hour rhhmm = ', rhhmm, ' mn' |
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| 142 | IF(lwp) WRITE(numout,*) ' nb of seconds per minute rmmss = ', rmmss, ' s' |
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[3] | 143 | |
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| 144 | IF(lwp) WRITE(numout,*) |
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[88] | 145 | IF(lwp) WRITE(numout,*) ' earth radius ra = ', ra, ' m' |
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| 146 | IF(lwp) WRITE(numout,*) ' gravity grav = ', grav , ' m/s^2' |
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[3] | 147 | |
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| 148 | IF(lwp) WRITE(numout,*) |
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[88] | 149 | IF(lwp) WRITE(numout,*) ' triple point of temperature rtt = ', rtt , ' K' |
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| 150 | IF(lwp) WRITE(numout,*) ' freezing point of water rt0 = ', rt0 , ' K' |
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| 151 | IF(lwp) WRITE(numout,*) ' melting point of snow rt0_snow = ', rt0_snow, ' K' |
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| 152 | IF(lwp) WRITE(numout,*) ' melting point of ice rt0_ice = ', rt0_ice , ' K' |
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[3] | 153 | |
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[88] | 154 | ro0cpr = 1. / ( rau0 * rcp ) |
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[3] | 155 | IF(lwp) WRITE(numout,*) |
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[88] | 156 | IF(lwp) WRITE(numout,*) ' volumic mass of pure water rauw = ', rauw, ' kg/m^3' |
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| 157 | IF(lwp) WRITE(numout,*) ' volumic mass of reference rau0 = ', rau0, ' kg/m^3' |
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| 158 | IF(lwp) WRITE(numout,*) ' ocean specific heat rcp = ', rcp |
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| 159 | IF(lwp) WRITE(numout,*) ' 1. / ( rau0 * rcp ) = ro0cpr = ', ro0cpr |
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[3] | 160 | |
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[1860] | 161 | #if defined key_lim3 |
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| 162 | xlsn = lfus * rhosn ! volumetric latent heat fusion of snow [J/m3] |
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| 163 | #else |
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| 164 | lfus = xlsn / rhosn ! latent heat of fusion of fresh ice |
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| 165 | #endif |
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| 166 | |
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[3] | 167 | IF(lwp) THEN |
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| 168 | WRITE(numout,*) |
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[88] | 169 | WRITE(numout,*) ' thermal conductivity of the snow = ', rcdsn , ' J/s/m/K' |
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| 170 | WRITE(numout,*) ' thermal conductivity of the ice = ', rcdic , ' J/s/m/K' |
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[833] | 171 | #if defined key_lim3 |
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| 172 | WRITE(numout,*) ' fresh ice specific heat = ', cpic , ' J/kg/K' |
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| 173 | WRITE(numout,*) ' latent heat of fusion of fresh ice / snow = ', lfus , ' J/kg' |
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| 174 | WRITE(numout,*) ' latent heat of subl. of fresh ice / snow = ', lsub , ' J/kg' |
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| 175 | #else |
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[88] | 176 | WRITE(numout,*) ' density times specific heat for snow = ', rcpsn , ' J/m^3/K' |
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| 177 | WRITE(numout,*) ' density times specific heat for ice = ', rcpic , ' J/m^3/K' |
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| 178 | WRITE(numout,*) ' volumetric latent heat fusion of sea ice = ', xlic , ' J/m' |
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| 179 | WRITE(numout,*) ' volumetric latent heat fusion of snow = ', xlsn , ' J/m' |
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| 180 | WRITE(numout,*) ' latent heat of sublimation of snow = ', xsn , ' J/kg' |
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[833] | 181 | #endif |
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[88] | 182 | WRITE(numout,*) ' density of sea ice = ', rhoic , ' kg/m^3' |
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| 183 | WRITE(numout,*) ' density of snow = ', rhosn , ' kg/m^3' |
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| 184 | WRITE(numout,*) ' emissivity of snow or ice = ', emic |
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| 185 | WRITE(numout,*) ' salinity of ice = ', sice , ' psu' |
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| 186 | WRITE(numout,*) ' salinity of sea = ', soce , ' psu' |
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| 187 | WRITE(numout,*) ' latent heat of evaporation (water) = ', cevap , ' J/m^3' |
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| 188 | WRITE(numout,*) ' correction factor for solar radiation = ', srgamma |
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| 189 | WRITE(numout,*) ' von Karman constant = ', vkarmn |
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| 190 | WRITE(numout,*) ' Stefan-Boltzmann constant = ', stefan , ' J/s/m^2/K^4' |
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[3] | 191 | |
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| 192 | WRITE(numout,*) |
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[88] | 193 | WRITE(numout,*) ' conversion: degre ==> radian rad = ', rad |
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[3] | 194 | |
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| 195 | WRITE(numout,*) |
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[88] | 196 | WRITE(numout,*) ' smallest real computer value rsmall = ', rsmall |
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[3] | 197 | ENDIF |
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| 198 | |
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| 199 | END SUBROUTINE phy_cst |
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| 200 | |
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| 201 | !!====================================================================== |
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| 202 | END MODULE phycst |
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