| 1 | MODULE iono_h |
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| 2 | |
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| 3 | IMPLICIT NONE |
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| 4 | |
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| 5 | character*1,save,allocatable :: o1d_eq(:) |
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| 6 | character*1,save,allocatable :: ho2_eq(:) |
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| 7 | character*1,save,allocatable :: oh_eq(:) |
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| 8 | character*1,save,allocatable :: h_eq(:) |
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| 9 | character*1,save,allocatable :: n2d_eq(:) |
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| 10 | character*1,save,allocatable :: no2_eq(:) |
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| 11 | character*1,save,allocatable :: o3_eq(:) |
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| 12 | character*1,save,allocatable :: no_eq(:) |
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| 13 | character*1,save,allocatable :: cplus_eq(:) |
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| 14 | character*1,save,allocatable :: coplus_eq(:) |
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| 15 | character*1,save,allocatable :: oplus_eq(:) |
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| 16 | character*1,save,allocatable :: n2plus_eq(:) |
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| 17 | character*1,save,allocatable :: hplus_eq(:) |
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| 18 | character*1,save,allocatable :: co2plus_eq(:) |
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| 19 | character*1,save,allocatable :: o2plus_eq(:) |
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| 20 | character*1,save,allocatable :: noplus_eq(:) |
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| 21 | character*1,save,allocatable :: nplus_eq(:) |
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| 22 | character*1,save,allocatable :: hco2plus_eq(:) |
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| 23 | real*8,save,allocatable :: tauco2(:,:) |
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| 24 | real*8,save,allocatable :: tauo2(:,:) |
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| 25 | real*8,save,allocatable :: tauo3p(:,:) |
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| 26 | real*8,save,allocatable :: tauco(:,:) |
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| 27 | real*8,save,allocatable :: tauh(:,:) |
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| 28 | real*8,save,allocatable :: tauoh(:,:) |
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| 29 | real*8,save,allocatable :: tauho2(:,:) |
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| 30 | real*8,save,allocatable :: tauh2(:,:) |
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| 31 | real*8,save,allocatable :: tauh2o(:,:) |
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| 32 | real*8,save,allocatable :: tauo1d(:,:) |
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| 33 | real*8,save,allocatable :: tauh2o2(:,:) |
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| 34 | real*8,save,allocatable :: tauo3(:,:) |
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| 35 | real*8,save,allocatable :: taun(:,:) |
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| 36 | real*8,save,allocatable :: tauno(:,:) |
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| 37 | real*8,save,allocatable :: taun2(:,:) |
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| 38 | real*8,save,allocatable :: taun2d(:,:) |
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| 39 | real*8,save,allocatable :: tauno2(:,:) |
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| 40 | real*8,save,allocatable :: tauco2plus(:,:) |
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| 41 | real*8,save,allocatable :: tauoplus(:,:) |
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| 42 | real*8,save,allocatable :: tauo2plus(:,:) |
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| 43 | real*8,save,allocatable :: taucoplus(:,:) |
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| 44 | real*8,save,allocatable :: taucplus(:,:) |
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| 45 | real*8,save,allocatable :: taunplus(:,:) |
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| 46 | real*8,save,allocatable :: taunoplus(:,:) |
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| 47 | real*8,save,allocatable :: taun2plus(:,:) |
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| 48 | real*8,save,allocatable :: tauhplus(:,:) |
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| 49 | real*8,save,allocatable :: tauhco2plus(:,:) |
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| 50 | |
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| 51 | CONTAINS |
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| 52 | |
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| 53 | SUBROUTINE allocate_param_iono(nlayer,nreact) |
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| 54 | |
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| 55 | IMPLICIT NONE |
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| 56 | |
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| 57 | INTEGER :: nreact |
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| 58 | INTEGER :: nlayer |
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| 59 | |
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| 60 | allocate(o1d_eq(nlayer)) |
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| 61 | allocate(ho2_eq(nlayer)) |
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| 62 | allocate(oh_eq(nlayer)) |
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| 63 | allocate(h_eq(nlayer)) |
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| 64 | allocate(n2d_eq(nlayer)) |
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| 65 | allocate(no2_eq(nlayer)) |
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| 66 | allocate(o3_eq(nlayer)) |
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| 67 | allocate(no_eq(nlayer)) |
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| 68 | allocate(cplus_eq(nlayer)) |
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| 69 | allocate(coplus_eq(nlayer)) |
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| 70 | allocate(oplus_eq(nlayer)) |
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| 71 | allocate(n2plus_eq(nlayer)) |
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| 72 | allocate(hplus_eq(nlayer)) |
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| 73 | allocate(co2plus_eq(nlayer)) |
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| 74 | allocate(o2plus_eq(nlayer)) |
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| 75 | allocate(noplus_eq(nlayer)) |
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| 76 | allocate(nplus_eq(nlayer)) |
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| 77 | allocate(hco2plus_eq(nlayer)) |
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| 78 | allocate(tauco2(nreact,nlayer)) |
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| 79 | allocate(tauo2(nreact,nlayer)) |
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| 80 | allocate(tauo3p(nreact,nlayer)) |
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| 81 | allocate(tauco(nreact,nlayer)) |
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| 82 | allocate(tauh(nreact,nlayer)) |
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| 83 | allocate(tauoh(nreact,nlayer)) |
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| 84 | allocate(tauho2(nreact,nlayer)) |
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| 85 | allocate(tauh2(nreact,nlayer)) |
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| 86 | allocate(tauh2o(nreact,nlayer)) |
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| 87 | allocate(tauo1d(nreact,nlayer)) |
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| 88 | allocate(tauh2o2(nreact,nlayer)) |
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| 89 | allocate(tauo3(nreact,nlayer)) |
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| 90 | allocate(taun(nreact,nlayer)) |
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| 91 | allocate(tauno(nreact,nlayer)) |
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| 92 | allocate(taun2(nreact,nlayer)) |
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| 93 | allocate(taun2d(nreact,nlayer)) |
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| 94 | allocate(tauno2(nreact,nlayer)) |
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| 95 | allocate(tauco2plus(nreact,nlayer)) |
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| 96 | allocate(tauoplus(nreact,nlayer)) |
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| 97 | allocate(tauo2plus(nreact,nlayer)) |
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| 98 | allocate(taucoplus(nreact,nlayer)) |
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| 99 | allocate(taucplus(nreact,nlayer)) |
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| 100 | allocate(taunplus(nreact,nlayer)) |
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| 101 | allocate(taunoplus(nreact,nlayer)) |
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| 102 | allocate(taun2plus(nreact,nlayer)) |
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| 103 | allocate(tauhplus(nreact,nlayer)) |
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| 104 | allocate(tauhco2plus(nreact,nlayer)) |
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| 105 | |
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| 106 | END SUBROUTINE allocate_param_iono |
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| 107 | |
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| 108 | |
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| 109 | !*********************************************************************** |
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| 110 | function temp_elect(zkm,tt,origin) |
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| 111 | |
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| 112 | ! Computes the electronic temperature, either from Viking (origin=1) |
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| 113 | ! or MAVEN (origin=2) |
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| 114 | |
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| 115 | !*********************************************************************** |
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| 116 | |
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| 117 | ! Arguments |
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| 118 | |
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| 119 | real tt ! Temperature |
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| 120 | real zkm ! Altitude in km |
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| 121 | integer origin ! Viking (origin=1) or MAVEN (origin=2) |
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| 122 | |
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| 123 | ! local variables: |
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| 124 | real temp_elect ! electronic temperatures |
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| 125 | real zhanson(9),tehanson(9) |
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| 126 | real incremento |
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| 127 | integer ii, i1, i2 |
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| 128 | |
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| 129 | zhanson(1:9) = (/ 120.,130.,150.,175.,200.,225.,250.,275.,300. /) |
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| 130 | tehanson(2:9) = (/ 200.,300.,500.,1250.,2000.,2200.,2400.,2500. /) |
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| 131 | tehanson(1) = tt |
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| 132 | |
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| 133 | if(origin.eq.1) then |
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| 134 | if ( zkm .le. 120. ) then |
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| 135 | temp_elect = tt |
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| 136 | else if(zkm .ge.300.) then |
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| 137 | temp_elect=tehanson(9) |
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| 138 | else |
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| 139 | do ii=9,2,-1 |
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| 140 | if ( zkm .lt. zhanson(ii) ) then |
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| 141 | i1 = ii - 1 |
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| 142 | i2 = ii |
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| 143 | endif |
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| 144 | enddo |
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| 145 | incremento=(tehanson(i2)-tehanson(i1))/(zhanson(i2)-zhanson(i1)) |
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| 146 | temp_elect = tehanson(i1) + (zkm-zhanson(i1)) * incremento |
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| 147 | endif |
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| 148 | else if(origin.eq.2) then |
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| 149 | !MAVEN measured electronic temperature (Ergun et al., GRL 2015) |
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| 150 | !Note that the Langmuir probe is not sensitive below ~500K, so |
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| 151 | !electronic temperatures in the lower thermosphere (<150 km) may |
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| 152 | !be overestimated by this formula |
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| 153 | if(zkm.le.120) then |
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| 154 | temp_elect = tt |
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| 155 | else |
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| 156 | temp_elect=((3140.+120.)/2.)+((3140.-120.)/2.)*tanh((zkm-241.)/60.) |
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| 157 | endif |
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| 158 | else |
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| 159 | write(*,*)'Error in function temp_elect:' |
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| 160 | write(*,*)'Origin must be either 1 or 2' |
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| 161 | write(*,*)'Using neutral temperature instead' |
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| 162 | temp_elect = tt |
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| 163 | endif |
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| 164 | |
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| 165 | return |
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| 166 | |
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| 167 | end function temp_elect |
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| 168 | |
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| 169 | END MODULE iono_h |
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