MODULE phycst !!====================================================================== !! *** MODULE phycst *** !! Definition of of both ocean and ice parameters used in the code !!===================================================================== !! History : OPA ! 1990-10 (C. Levy - G. Madec) Original code !! 8.1 ! 1991-11 (G. Madec, M. Imbard) cosmetic changes !! NEMO 1.0 ! 2002-08 (G. Madec, C. Ethe) F90, add ice constants !! - ! 2006-08 (G. Madec) style !! 3.2 ! 2006-08 (S. Masson, G. Madec) suppress useless variables + style !!---------------------------------------------------------------------- !!---------------------------------------------------------------------- !! phy_cst : define and print physical constant and domain parameters !!---------------------------------------------------------------------- USE par_oce ! ocean parameters USE in_out_manager ! I/O manager IMPLICIT NONE PRIVATE PUBLIC phy_cst ! routine called by inipar.F90 REAL(wp), PUBLIC :: rpi = 3.141592653589793_wp !: pi REAL(wp), PUBLIC :: rad = 3.141592653589793_wp / 180._wp !: conversion from degre into radian REAL(wp), PUBLIC :: rsmall = 0.5 * EPSILON( 1.e0 ) !: smallest real computer value REAL(wp), PUBLIC :: rday = 24.*60.*60. !: day (s) REAL(wp), PUBLIC :: rsiyea !: sideral year (s) REAL(wp), PUBLIC :: rsiday !: sideral day (s) REAL(wp), PUBLIC :: raamo = 12._wp !: number of months in one year REAL(wp), PUBLIC :: rjjhh = 24._wp !: number of hours in one day REAL(wp), PUBLIC :: rhhmm = 60._wp !: number of minutes in one hour REAL(wp), PUBLIC :: rmmss = 60._wp !: number of seconds in one minute !! REAL(wp), PUBLIC :: omega = 7.292115083046061e-5_wp , & !: change the last digit! REAL(wp), PUBLIC :: omega !: earth rotation parameter REAL(wp), PUBLIC :: ra = 6371229._wp !: earth radius (meter) REAL(wp), PUBLIC :: grav = 9.80665_wp !: gravity (m/s2) REAL(wp), PUBLIC :: rtt = 273.16_wp !: triple point of temperature (Kelvin) REAL(wp), PUBLIC :: rt0 = 273.15_wp !: freezing point of water (Kelvin) #if defined key_lim3 REAL(wp), PUBLIC :: rt0_snow = 273.16_wp !: melting point of snow (Kelvin) REAL(wp), PUBLIC :: rt0_ice = 273.16_wp !: melting point of ice (Kelvin) #else REAL(wp), PUBLIC :: rt0_snow = 273.15_wp !: melting point of snow (Kelvin) REAL(wp), PUBLIC :: rt0_ice = 273.05_wp !: melting point of ice (Kelvin) #endif REAL(wp), PUBLIC :: rau0 = 1035._wp !: reference volumic mass (density) (kg/m3) REAL(wp), PUBLIC :: rau0r !: reference specific volume (m3/kg) REAL(wp), PUBLIC :: rcp = 4.e+3_wp !: ocean specific heat REAL(wp), PUBLIC :: ro0cpr !: = 1. / ( rau0 * rcp ) #if defined key_lim3 REAL(wp), PUBLIC :: rcdsn = 0.31_wp !: thermal conductivity of snow REAL(wp), PUBLIC :: rcdic = 2.034396_wp !: thermal conductivity of fresh ice REAL(wp), PUBLIC :: cpic = 2067.0 !: specific heat of sea ice REAL(wp), PUBLIC :: lsub = 2.834e+6 !: pure ice latent heat of sublimation (J.kg-1) REAL(wp), PUBLIC :: lfus = 0.334e+6 !: latent heat of fusion of fresh ice (J.kg-1) REAL(wp), PUBLIC :: rhoic = 917._wp !: volumic mass of sea ice (kg/m3) REAL(wp), PUBLIC :: tmut = 0.054 !: decrease of seawater meltpoint with salinity #else REAL(wp), PUBLIC :: rcdsn = 0.22_wp !: conductivity of the snow REAL(wp), PUBLIC :: rcdic = 2.034396_wp !: conductivity of the ice REAL(wp), PUBLIC :: rcpsn = 6.9069e+5_wp !: density times specific heat for snow REAL(wp), PUBLIC :: rcpic = 1.8837e+6_wp !: volumetric latent heat fusion of sea ice REAL(wp), PUBLIC :: lfus = 0.3337e+6 !: latent heat of fusion of fresh ice (J.kg-1) REAL(wp), PUBLIC :: xlsn = 110.121e+6_wp !: volumetric latent heat fusion of snow REAL(wp), PUBLIC :: xlic = 300.33e+6_wp !: volumetric latent heat fusion of ice REAL(wp), PUBLIC :: xsn = 2.8e+6 !: latent heat of sublimation of snow REAL(wp), PUBLIC :: rhoic = 900._wp !: volumic mass of sea ice (kg/m3) #endif REAL(wp), PUBLIC :: rhosn = 330._wp !: volumic mass of snow (kg/m3) REAL(wp), PUBLIC :: emic = 0.97_wp !: emissivity of snow or ice REAL(wp), PUBLIC :: sice = 6.0_wp !: reference salinity of ice (psu) REAL(wp), PUBLIC :: soce = 34.7_wp !: reference salinity of sea (psu) REAL(wp), PUBLIC :: cevap = 2.5e+6_wp !: latent heat of evaporation (water) REAL(wp), PUBLIC :: srgamma = 0.9_wp !: correction factor for solar radiation (Oberhuber, 1974) REAL(wp), PUBLIC :: vkarmn = 0.4_wp !: von Karman constant REAL(wp), PUBLIC :: stefan = 5.67e-8_wp !: Stefan-Boltzmann constant !!---------------------------------------------------------------------- !! NEMO/OPA 3.3 , NEMO Consortium (2010) !! $Id$ !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE phy_cst !!---------------------------------------------------------------------- !! *** ROUTINE phy_cst *** !! !! ** Purpose : Print model parameters and set and print the constants !!---------------------------------------------------------------------- CHARACTER (len=64) :: cform = "(A12, 3(A13, I7) )" !!---------------------------------------------------------------------- ! ! Define additional parameters rsiyea = 365.25 * rday * 2. * rpi / 6.283076 rsiday = rday / ( 1. + rday / rsiyea ) omega = 2. * rpi / rsiday rau0r = 1. / rau0 ro0cpr = 1. / ( rau0 * rcp ) IF(lwp) THEN ! control print WRITE(numout,*) WRITE(numout,*) ' phy_cst : initialization of ocean parameters and constants' WRITE(numout,*) ' ~~~~~~~' WRITE(numout,*) ' Domain info' WRITE(numout,*) ' dimension of model' WRITE(numout,*) ' Local domain Global domain Data domain ' WRITE(numout,cform) ' ',' jpi : ', jpi, ' jpiglo : ', jpiglo, ' jpidta : ', jpidta WRITE(numout,cform) ' ',' jpj : ', jpj, ' jpjglo : ', jpjglo, ' jpjdta : ', jpjdta WRITE(numout,cform) ' ',' jpk : ', jpk, ' jpk : ', jpk , ' jpkdta : ', jpkdta WRITE(numout,*) ' ',' jpij : ', jpij WRITE(numout,*) ' mpp local domain info (mpp)' #if defined key_mpp_rkpart WRITE(numout,*) ' recursive k-section decomposition used. See file: domain_decomp.ps' WRITE(numout,*) ' jpreci : ', jpreci, ' jprecj : ', jprecj #else ! These parameters are only used in the original, regular domain ! decomposition scheme so we don't print them if we're using ! recursive k-section partitioning. WRITE(numout,*) ' jpni : ', jpni, ' jpreci : ', jpreci WRITE(numout,*) ' jpnj : ', jpnj, ' jprecj : ', jprecj WRITE(numout,*) ' jpnij : ', jpnij #endif WRITE(numout,*) ' lateral domain boundary condition type : jperio = ', jperio WRITE(numout,*) WRITE(numout,*) ' Constants' WRITE(numout,*) WRITE(numout,*) ' mathematical constant rpi = ', rpi WRITE(numout,*) ' day rday = ', rday, ' s' WRITE(numout,*) ' sideral year rsiyea = ', rsiyea, ' s' WRITE(numout,*) ' sideral day rsiday = ', rsiday, ' s' WRITE(numout,*) ' omega omega = ', omega, ' s-1' WRITE(numout,*) WRITE(numout,*) ' nb of months per year raamo = ', raamo, ' months' WRITE(numout,*) ' nb of hours per day rjjhh = ', rjjhh, ' hours' WRITE(numout,*) ' nb of minutes per hour rhhmm = ', rhhmm, ' mn' WRITE(numout,*) ' nb of seconds per minute rmmss = ', rmmss, ' s' WRITE(numout,*) WRITE(numout,*) ' earth radius ra = ', ra, ' m' WRITE(numout,*) ' gravity grav = ', grav , ' m/s^2' WRITE(numout,*) WRITE(numout,*) ' triple point of temperature rtt = ', rtt , ' K' WRITE(numout,*) ' freezing point of water rt0 = ', rt0 , ' K' WRITE(numout,*) ' melting point of snow rt0_snow = ', rt0_snow, ' K' WRITE(numout,*) ' melting point of ice rt0_ice = ', rt0_ice , ' K' WRITE(numout,*) WRITE(numout,*) ' ocean reference volumic mass rau0 = ', rau0 , ' kg/m^3' WRITE(numout,*) ' ocean reference specific volume rau0r = ', rau0r, ' m^3/Kg' WRITE(numout,*) ' ocean specific heat rcp = ', rcp WRITE(numout,*) ' 1. / ( rau0 * rcp ) = ro0cpr = ', ro0cpr WRITE(numout,*) WRITE(numout,*) ' thermal conductivity of the snow = ', rcdsn , ' J/s/m/K' WRITE(numout,*) ' thermal conductivity of the ice = ', rcdic , ' J/s/m/K' #if defined key_lim3 WRITE(numout,*) ' fresh ice specific heat = ', cpic , ' J/kg/K' WRITE(numout,*) ' latent heat of fusion of fresh ice / snow = ', lfus , ' J/kg' WRITE(numout,*) ' latent heat of subl. of fresh ice / snow = ', lsub , ' J/kg' #else WRITE(numout,*) ' density times specific heat for snow = ', rcpsn , ' J/m^3/K' WRITE(numout,*) ' density times specific heat for ice = ', rcpic , ' J/m^3/K' WRITE(numout,*) ' volumetric latent heat fusion of sea ice = ', xlic , ' J/m' WRITE(numout,*) ' volumetric latent heat fusion of snow = ', xlsn , ' J/m' WRITE(numout,*) ' latent heat of sublimation of snow = ', xsn , ' J/kg' #endif WRITE(numout,*) ' density of sea ice = ', rhoic , ' kg/m^3' WRITE(numout,*) ' density of snow = ', rhosn , ' kg/m^3' WRITE(numout,*) ' emissivity of snow or ice = ', emic WRITE(numout,*) ' salinity of ice = ', sice , ' psu' WRITE(numout,*) ' salinity of sea = ', soce , ' psu' WRITE(numout,*) ' latent heat of evaporation (water) = ', cevap , ' J/m^3' WRITE(numout,*) ' correction factor for solar radiation = ', srgamma WRITE(numout,*) ' von Karman constant = ', vkarmn WRITE(numout,*) ' Stefan-Boltzmann constant = ', stefan , ' J/s/m^2/K^4' WRITE(numout,*) WRITE(numout,*) ' conversion: degre ==> radian rad = ', rad WRITE(numout,*) WRITE(numout,*) ' smallest real computer value rsmall = ', rsmall ENDIF END SUBROUTINE phy_cst !!====================================================================== END MODULE phycst