1 | MODULE p4zligand |
---|
2 | !!====================================================================== |
---|
3 | !! *** MODULE p4zligand *** |
---|
4 | !! TOP : PISCES Compute remineralization/dissolution of organic ligands |
---|
5 | !!========================================================================= |
---|
6 | !! History : 3.6 ! 2016-03 (O. Aumont, A. Tagliabue) Quota model and reorganization |
---|
7 | !!---------------------------------------------------------------------- |
---|
8 | !! p4z_ligand : Compute remineralization/dissolution of organic ligands |
---|
9 | !! p4z_ligand_init : Initialisation of parameters for remineralisation |
---|
10 | !!---------------------------------------------------------------------- |
---|
11 | USE oce_trc ! shared variables between ocean and passive tracers |
---|
12 | USE trc ! passive tracers common variables |
---|
13 | USE sms_pisces ! PISCES Source Minus Sink variables |
---|
14 | USE prtctl_trc ! print control for debugging |
---|
15 | |
---|
16 | IMPLICIT NONE |
---|
17 | PRIVATE |
---|
18 | |
---|
19 | PUBLIC p4z_ligand ! called in p4zbio.F90 |
---|
20 | PUBLIC p4z_ligand_init ! called in trcsms_pisces.F90 |
---|
21 | |
---|
22 | !! * Shared module variables |
---|
23 | REAL(wp), PUBLIC :: rlgw !: lifetime (years) of weak ligands |
---|
24 | REAL(wp), PUBLIC :: rlgs !: lifetime (years) of strong ligands |
---|
25 | REAL(wp), PUBLIC :: rlig !: Remin ligand production |
---|
26 | REAL(wp), PUBLIC :: prlgw !: Photochemical of weak ligand |
---|
27 | REAL(wp), PUBLIC :: rfep !: Dissolution rate of FeP |
---|
28 | |
---|
29 | !!---------------------------------------------------------------------- |
---|
30 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
---|
31 | !! $Id: p4zligand.F90 3160 2011-11-20 14:27:18Z cetlod $ |
---|
32 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
33 | !!---------------------------------------------------------------------- |
---|
34 | CONTAINS |
---|
35 | |
---|
36 | SUBROUTINE p4z_ligand( kt, knt ) |
---|
37 | !!--------------------------------------------------------------------- |
---|
38 | !! *** ROUTINE p4z_ligand *** |
---|
39 | !! |
---|
40 | !! ** Purpose : Compute remineralization/scavenging of organic ligands |
---|
41 | !! |
---|
42 | !! ** Method : - ??? |
---|
43 | !!--------------------------------------------------------------------- |
---|
44 | ! |
---|
45 | INTEGER, INTENT(in) :: kt, knt ! ocean time step |
---|
46 | ! |
---|
47 | INTEGER :: ji, jj, jk |
---|
48 | REAL(wp) :: zlgwp, zlgwpr, zlgwr, zlablgw, zrfepa, zfepr |
---|
49 | CHARACTER (len=25) :: charout |
---|
50 | !!--------------------------------------------------------------------- |
---|
51 | ! |
---|
52 | IF( nn_timing == 1 ) CALL timing_start('p4z_ligand') |
---|
53 | ! |
---|
54 | ! ------------------------------------------------------------------ |
---|
55 | ! Remineralization of iron ligands |
---|
56 | ! ------------------------------------------------------------------ |
---|
57 | DO jk = 1, jpkm1 |
---|
58 | DO jj = 1, jpj |
---|
59 | DO ji = 1, jpi |
---|
60 | ! production from remineralisation of organic matter |
---|
61 | zlgwp = orem(ji,jj,jk) * rlig |
---|
62 | ! decay of weak ligand |
---|
63 | ! This is based on the idea that as LGW is lower |
---|
64 | ! there is a larger fraction of refractory OM |
---|
65 | zlgwr = max( rlgs , rlgw * exp( -2 * (trn(ji,jj,jk,jplgw)*1e9) ) ) ! years |
---|
66 | zlgwr = 1. / zlgwr * tgfunc(ji,jj,jk) * ( xstep / nyear_len(1) ) * trn(ji,jj,jk,jplgw) |
---|
67 | ! photochem loss of weak ligand |
---|
68 | zlgwpr = prlgw * xstep * etot(ji,jj,jk) * trn(ji,jj,jk,jplgw) * (1. - fr_i(ji,jj)) |
---|
69 | tra(ji,jj,jk,jplgw) = tra(ji,jj,jk,jplgw) + zlgwp - zlgwr - zlgwpr |
---|
70 | END DO |
---|
71 | END DO |
---|
72 | END DO |
---|
73 | |
---|
74 | ! ---------------------------------------------------------- |
---|
75 | ! Dissolution of nanoparticle Fe |
---|
76 | ! ---------------------------------------------------------- |
---|
77 | |
---|
78 | DO jk = 1, jpkm1 |
---|
79 | DO jj = 1, jpj |
---|
80 | DO ji = 1, jpi |
---|
81 | ! dissolution rate is maximal in the presence of light and |
---|
82 | ! lower in the aphotici zone |
---|
83 | ! ! 25 Wm-2 constant |
---|
84 | zrfepa = rfep * ( 1. - EXP( -1. * etot(ji,jj,jk) / 25. ) ) * (1.- fr_i(ji,jj)) |
---|
85 | zrfepa = MAX( (zrfepa / 10.0), zrfepa ) ! min of 10 days lifetime |
---|
86 | zfepr = rfep * xstep * trn(ji,jj,jk,jpfep) |
---|
87 | tra(ji,jj,jk,jpfep) = tra(ji,jj,jk,jpfep) - zfepr |
---|
88 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) + zfepr |
---|
89 | END DO |
---|
90 | END DO |
---|
91 | END DO |
---|
92 | |
---|
93 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
---|
94 | WRITE(charout, FMT="('ligand1')") |
---|
95 | CALL prt_ctl_trc_info(charout) |
---|
96 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
---|
97 | ENDIF |
---|
98 | ! |
---|
99 | IF( nn_timing == 1 ) CALL timing_stop('p4z_ligand') |
---|
100 | ! |
---|
101 | END SUBROUTINE p4z_ligand |
---|
102 | |
---|
103 | |
---|
104 | SUBROUTINE p4z_ligand_init |
---|
105 | !!---------------------------------------------------------------------- |
---|
106 | !! *** ROUTINE p4z_ligand_init *** |
---|
107 | !! |
---|
108 | !! ** Purpose : Initialization of remineralization parameters |
---|
109 | !! |
---|
110 | !! ** Method : Read the nampislig namelist and check the parameters |
---|
111 | !! called at the first timestep |
---|
112 | !! |
---|
113 | !! ** input : Namelist nampislig |
---|
114 | !! |
---|
115 | !!---------------------------------------------------------------------- |
---|
116 | NAMELIST/nampislig/ rlgw, prlgw, rlgs, rfep, rlig |
---|
117 | INTEGER :: ios ! Local integer output status for namelist read |
---|
118 | |
---|
119 | REWIND( numnatp_ref ) ! Namelist nampislig in reference namelist : Pisces remineralization |
---|
120 | READ ( numnatp_ref, nampislig, IOSTAT = ios, ERR = 901) |
---|
121 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampislig in reference namelist', lwp ) |
---|
122 | |
---|
123 | REWIND( numnatp_cfg ) ! Namelist nampislig in configuration namelist : Pisces remineralization |
---|
124 | READ ( numnatp_cfg, nampislig, IOSTAT = ios, ERR = 902 ) |
---|
125 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampislig in configuration namelist', lwp ) |
---|
126 | IF(lwm) WRITE ( numonp, nampislig ) |
---|
127 | |
---|
128 | IF(lwp) THEN ! control print |
---|
129 | WRITE(numout,*) ' ' |
---|
130 | WRITE(numout,*) ' Namelist parameters for ligands, nampislig' |
---|
131 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
---|
132 | WRITE(numout,*) ' Dissolution rate of FeP rfep =', rfep |
---|
133 | WRITE(numout,*) ' Lifetime (years) of weak ligands rlgw =', rlgw |
---|
134 | WRITE(numout,*) ' Remin ligand production per unit C rlig =', rlig |
---|
135 | WRITE(numout,*) ' Photolysis of weak ligand prlgw =', prlgw |
---|
136 | WRITE(numout,*) ' Lifetime (years) of strong ligands rlgs =', rlgs |
---|
137 | ENDIF |
---|
138 | ! |
---|
139 | END SUBROUTINE p4z_ligand_init |
---|
140 | |
---|
141 | !!====================================================================== |
---|
142 | END MODULE p4zligand |
---|