| 1 | MODULE free_param |
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| 2 | |
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| 3 | implicit none |
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| 4 | |
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| 5 | ! TIME (s) |
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| 6 | ! real, parameter :: TSTOP = 3 !Stop |
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| 7 | real, parameter :: TSTOP = 3600 !Stop |
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| 8 | ! real, parameter :: TSTOP = 86400.0D0 ! Stop |
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| 9 | |
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| 10 | integer, parameter :: nbin = 100 |
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| 11 | |
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| 12 | |
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| 13 | ! FLAGS |
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| 14 | logical, parameter :: MERGE = .FALSE. ! Mode merging |
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| 15 | logical, parameter :: NUCLEA = .TRUE. ! Homogeneous nucleation |
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| 16 | logical, parameter :: MASSFLUX = .TRUE. ! Thermodyn. equi. and cond./evap. |
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| 17 | logical, parameter :: HETNUCLEA = .FALSE. ! Heterogeneous nucleation |
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| 18 | logical, parameter :: SEDIM = .FALSE. ! Sedimentation |
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| 19 | logical, parameter :: COAG = .FALSE. ! Coagulation |
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| 20 | integer, parameter :: PROD = 0 ! No aer production |
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| 21 | !! integer, parameter :: PROD = 1 ! Aer production with normal distri |
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| 22 | ! integer, parameter :: PROD = 2 ! Production only in 1 layer |
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| 23 | |
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| 24 | |
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| 25 | ! MODE 1 & 2 - James 1997 + Knollenberg and Hunten 1980 |
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| 26 | ! Be careful, you need to change sigma in sed_and_prod.f90 too |
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| 27 | real, parameter :: sigma1 = 1.56D0 ! Geometric standard deviation |
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| 28 | real, parameter :: ri1 = 3.0D-7 ! Geometric radius (m) |
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| 29 | real, parameter :: sigma2 = 1.29D0 ! Geometric standard deviation |
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| 30 | real, parameter :: ri2 = 1.0D-6 ! Geometric radius (m) |
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| 31 | |
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| 32 | |
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| 33 | ! RADIUS GRID |
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| 34 | real, parameter :: rmin = 0.0001D-6 !m |
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| 35 | real, parameter :: rmax = 100.0D-6 !m |
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| 36 | |
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| 37 | |
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| 38 | ! PRODUCTION - AEROSOL NB: The source should be at more or less 55km ! |
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| 39 | real, parameter :: r_aer = 0.125D-6 !m |
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| 40 | real, parameter :: p_aer = 310000.D0 !Pa, 40km on Venus |
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| 41 | ! real, parameter :: p_aer = 260000.D0 !Pa, 40km on Venus |
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| 42 | real, parameter :: sig_aer = 1.56D0 !Of the distribution, same as mode 1 |
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| 43 | real, save :: ntot_aer !#/m-3 |
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| 44 | real, parameter :: ntot_aer_flag2 = 4.D5 !#/m-3 |
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| 45 | real, parameter :: tx_prod = 9.D-7 !kg.m-2.s-1, JB:tx_prod = 3.5D-13 |
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| 46 | real, parameter :: rho_aer = 2000.D0 !kg/m-3 |
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| 47 | REAL, PARAMETER :: sigz = 20.0D3 ! currently set to 20km |
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| 48 | |
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| 49 | |
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| 50 | ! HETEROGENEOUS NUCLEATION |
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| 51 | real, parameter :: mtetalocal = 0.952D0 ! moullabilite |
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| 52 | |
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| 53 | |
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| 54 | END MODULE free_param |
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