| [253] | 1 | subroutine newtrelax(mu0,sinlat,popsk,temp,pplay,pplev,dtrad,firstcall) |
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| 2 | |
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| 3 | implicit none |
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| 4 | |
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| 5 | #include "dimensions.h" |
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| 6 | #include "dimphys.h" |
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| 7 | #include "comcstfi.h" |
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| 8 | #include "callkeys.h" |
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| 9 | #include "netcdf.inc" |
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| 10 | |
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| 11 | !================================================================== |
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| 12 | ! |
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| 13 | ! Purpose |
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| 14 | ! ------- |
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| 15 | ! Alternative Newtonian radiative transfer scheme. |
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| 16 | ! |
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| 17 | ! Authors |
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| 18 | ! ------- |
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| 19 | ! R. Wordsworth (2010) |
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| 20 | ! |
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| 21 | !================================================================== |
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| 22 | |
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| 23 | ! Input |
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| 24 | real mu0(ngridmx) ! cosine of sun incident angle |
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| 25 | real sinlat(ngridmx) ! sine of latitude |
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| 26 | real temp(ngridmx,nlayermx) ! temperature at each layer (K) |
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| 27 | real pplay(ngridmx,nlayermx) ! pressure at each layer (Pa) |
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| 28 | real pplev(ngridmx,nlayermx+1) ! pressure at each level (Pa) |
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| 29 | real popsk(ngridmx,nlayermx) ! pot. T to T converter |
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| 30 | |
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| 31 | ! Output |
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| 32 | real dtrad(ngridmx,nlayermx) |
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| 33 | |
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| 34 | ! Internal |
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| 35 | real Trelax(ngridmx,nlayermx), Trelax_V, Trelax_H |
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| 36 | save Trelax |
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| 37 | |
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| 38 | real T_trop ! relaxation temperature at tropopause (K) |
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| 39 | real T_surf ! relaxation temperature at surface (K) |
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| 40 | real dT_EP ! Equator-Pole relaxation temperature difference (K) |
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| 41 | |
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| 42 | real sig, f_sig, sig_trop |
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| 43 | integer l,ig |
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| 44 | logical firstcall |
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| 45 | |
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| 46 | |
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| 47 | logical tidallocked |
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| 48 | parameter (tidallocked = .true.) |
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| 49 | |
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| 50 | ! Setup relaxation temperature |
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| 51 | if(firstcall) then |
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| 52 | |
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| 53 | print*,'-----------------------------------------------------' |
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| 54 | print*,'| ATTENTION: You are using a Newtonian cooling scheme' |
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| 55 | print*,'| for the radiative transfer. This means that ALL' |
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| 56 | print*,'| other physics subroutines must be switched off.' |
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| 57 | print*,'-----------------------------------------------------' |
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| 58 | |
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| 59 | if(tidallocked)then |
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| 60 | do ig=1,ngridmx |
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| 61 | |
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| 62 | T_surf = 126. + 239.*mu0(ig) |
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| 63 | T_trop = 140. + 52.*mu0(ig) |
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| 64 | do l=1,nlayermx |
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| 65 | |
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| 66 | if(mu0(ig).le.0.0)then ! night side |
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| 67 | Trelax(ig,l)=0.0 |
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| 68 | else ! day side |
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| 69 | Trelax(ig,l) = T_surf*popsk(ig,l) |
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| 70 | if (Trelax(ig,l).lt.T_trop) Trelax(ig,l) = T_trop |
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| 71 | endif |
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| 72 | |
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| 73 | enddo |
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| 74 | enddo |
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| 75 | |
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| 76 | else |
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| 77 | |
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| 78 | T_trop = 200. |
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| 79 | T_surf = 288. |
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| 80 | dT_EP = 70. |
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| 81 | |
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| 82 | sig_trop=(T_trop/T_surf)**(1./rcp) |
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| 83 | |
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| 84 | do l=1,nlayermx |
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| 85 | do ig=1,ngridmx |
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| 86 | |
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| 87 | ! vertically varying component |
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| 88 | Trelax_V = T_surf*popsk(ig,l) |
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| 89 | if (Trelax_V.lt.T_trop) Trelax_V = T_trop |
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| 90 | |
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| 91 | ! horizontally varying component |
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| 92 | sig = pplay(ig,l)/pplev(ig,1) |
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| 93 | if(sig.ge.sig_trop)then |
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| 94 | f_sig=sin((pi/2)*((sig-sig_trop)/(1-sig_trop))) |
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| 95 | else |
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| 96 | f_sig=0.0 |
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| 97 | endif |
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| 98 | Trelax_H = -f_sig*dT_EP*(sinlat(ig)**2 - 1./3.) |
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| 99 | |
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| 100 | Trelax(ig,l) = Trelax_V + Trelax_H |
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| 101 | |
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| 102 | enddo |
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| 103 | enddo |
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| 104 | |
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| 105 | endif |
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| 106 | |
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| 107 | firstcall=.false. |
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| 108 | |
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| 109 | endif |
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| 110 | |
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| 111 | ! Calculate radiative forcing |
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| 112 | do l=1,nlayermx |
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| 113 | do ig=1,ngridmx |
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| 114 | dtrad(ig,l) = -(temp(ig,l) - Trelax(ig,l)) / tau_relax |
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| 115 | if(temp(ig,l).gt.500.)then ! Trelax(ig,l))then |
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| 116 | print*,'ig=',ig |
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| 117 | print*,'l=',l |
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| 118 | print*,'temp=',temp(ig,l) |
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| 119 | print*,'Trelax=',Trelax(ig,l) |
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| 120 | endif |
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| 121 | enddo |
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| 122 | enddo |
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| 123 | |
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| 124 | call writediagfi(ngridmx,'Tref','rad forc temp','K',3,Trelax) |
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| 125 | !call writediagfi(ngridmx,'ThetaZ','stellar zenith angle','deg',2,mu0) |
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| 126 | |
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| 127 | return |
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| 128 | end subroutine newtrelax |
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