[699] | 1 | CC---------------------------------------------------------------------- |
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| 2 | CC TOP 1.0 , LOCEAN-IPSL (2005) |
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| 3 | CC $Id$ |
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| 4 | CC This software is governed by CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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| 5 | CC---------------------------------------------------------------------- |
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[618] | 6 | |
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| 7 | CDIR$ LIST |
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| 8 | CC---------------------------------------------------------------------- |
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| 9 | CC local declarations |
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| 10 | CC ================== |
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| 11 | INTEGER jksed, ji, jj, jk |
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| 12 | REAL xagg1,xagg2,xagg3,xagg4 |
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| 13 | REAL zfact,zstep,wsmax |
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| 14 | #if defined key_trc_dia3d |
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| 15 | REAL zrfact2 |
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| 16 | #endif |
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| 17 | REAL sinking(jpi,jpj,jpk),sinking2(jpi,jpj,jpk) |
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| 18 | REAL sinkfer(jpi,jpj,jpk),sinkfer2(jpi,jpj,jpk) |
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| 19 | REAL sinkcal(jpi,jpj,jpk),sinksil(jpi,jpj,jpk) |
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| 20 | C |
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| 21 | C Time step duration for biology |
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| 22 | C ------------------------------ |
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| 23 | C |
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| 24 | zstep=rfact2/rjjss |
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| 25 | C |
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| 26 | C Sinking speeds of detritus is increased with depth as shown |
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| 27 | C by data and from the coagulation theory |
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| 28 | C ----------------------------------------------------------- |
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| 29 | C |
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| 30 | jksed=10 |
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| 31 | C |
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| 32 | DO jk=1,jpk-1 |
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| 33 | DO jj=1,jpj |
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| 34 | DO ji=1,jpi |
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| 35 | zfact=max(0.,fsdepw(ji,jj,jk+1)-hmld(ji,jj))/2000. |
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| 36 | wsbio4(ji,jj,jk)=wsbio2+(200.-wsbio2)*zfact |
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| 37 | END DO |
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| 38 | END DO |
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| 39 | END DO |
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| 40 | C |
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| 41 | C LIMIT THE VALUES OF THE SINKING SPEEDS |
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| 42 | C TO AVOID NUMERICAL INSTABILITIES |
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| 43 | C |
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| 44 | wsbio3(:,:,:)=wsbio |
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| 45 | |
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| 46 | Do jk=1,jpk-1 |
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| 47 | DO jj=1,jpj |
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| 48 | DO ji=1,jpi |
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| 49 | wsmax=0.8*fse3t(ji,jj,jk)/zstep |
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| 50 | wsbio4(ji,jj,jk)=min(wsbio4(ji,jj,jk),wsmax) |
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| 51 | wsbio3(ji,jj,jk)=min(wsbio3(ji,jj,jk),wsmax) |
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| 52 | END DO |
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| 53 | END DO |
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| 54 | END DO |
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| 55 | |
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| 56 | wscal(:,:,:)=wsbio4(:,:,:) |
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| 57 | C |
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| 58 | C |
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| 59 | C INITIALIZE TO ZERO ALL THE SINKING ARRAYS |
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| 60 | C ----------------------------------------- |
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| 61 | C |
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| 62 | sinking=0. |
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| 63 | sinking2=0. |
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| 64 | sinkcal=0. |
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| 65 | sinkfer=0. |
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| 66 | sinksil=0. |
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| 67 | sinkfer2=0. |
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| 68 | C |
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| 69 | C Compute the sedimentation term using p4zsink2 for all |
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| 70 | C the sinking particles |
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| 71 | C ----------------------------------------------------- |
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| 72 | C |
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| 73 | CALL p4zsink2(wsbio3,sinking,jppoc) |
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| 74 | CALL p4zsink2(wsbio3,sinkfer,jpsfe) |
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| 75 | CALL p4zsink2(wsbio4,sinking2,jpgoc) |
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| 76 | CALL p4zsink2(wsbio4,sinkfer2,jpbfe) |
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| 77 | CALL p4zsink2(wsbio4,sinksil,jpdsi) |
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| 78 | CALL p4zsink2(wscal,sinkcal,jpcal) |
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| 79 | C |
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| 80 | C Exchange between organic matter compartments due to |
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| 81 | C coagulation/disaggregation |
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| 82 | C --------------------------------------------------- |
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| 83 | C |
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| 84 | DO jk = 1,jpkm1 |
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| 85 | DO jj = 1,jpj |
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| 86 | DO ji = 1,jpi |
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| 87 | C |
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| 88 | zfact=zstep*zdiss(ji,jj,jk) |
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| 89 | C |
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| 90 | C Part I : Coagulation dependent on turbulence |
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| 91 | C ---------------------------------------------- |
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| 92 | C |
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| 93 | xagg1=940.*zfact*trn(ji,jj,jk,jppoc)*trn(ji,jj,jk,jppoc) |
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| 94 | # if defined key_off_degrad |
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| 95 | & *facvol(ji,jj,jk) |
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| 96 | # endif |
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| 97 | |
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| 98 | xagg2=1.054E4*zfact*trn(ji,jj,jk,jppoc)*trn(ji,jj,jk,jpgoc) |
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| 99 | # if defined key_off_degrad |
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| 100 | & *facvol(ji,jj,jk) |
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| 101 | # endif |
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| 102 | C |
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| 103 | C Aggregation of small into large particles |
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| 104 | C Part II : Differential settling |
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| 105 | C ---------------------------------------------- |
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| 106 | C |
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| 107 | xagg3=0.66*zstep*trn(ji,jj,jk,jppoc)*trn(ji,jj,jk,jppoc) |
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| 108 | # if defined key_off_degrad |
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| 109 | & *facvol(ji,jj,jk) |
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| 110 | # endif |
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| 111 | |
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| 112 | xagg4=0.*zstep*trn(ji,jj,jk,jppoc)*trn(ji,jj,jk,jpgoc) |
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| 113 | # if defined key_off_degrad |
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| 114 | & *facvol(ji,jj,jk) |
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| 115 | # endif |
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| 116 | C |
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| 117 | xagg(ji,jj,jk)=xagg1+xagg2+xagg3+xagg4 |
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| 118 | xaggfe(ji,jj,jk)=xagg(ji,jj,jk)*trn(ji,jj,jk,jpsfe)/ |
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| 119 | & (trn(ji,jj,jk,jppoc)+rtrn) |
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| 120 | C |
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| 121 | C Aggregation of DOC to small particles |
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| 122 | C -------------------------------------- |
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| 123 | C |
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| 124 | xaggdoc(ji,jj,jk)=(80*trn(ji,jj,jk,jpdoc)+698. |
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| 125 | & *trn(ji,jj,jk,jppoc))*zfact*trn(ji,jj,jk,jpdoc) |
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| 126 | # if defined key_off_degrad |
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| 127 | & *facvol(ji,jj,jk) |
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| 128 | # endif |
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| 129 | |
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| 130 | xaggdoc2(ji,jj,jk)=1.05E4*zfact*trn(ji,jj,jk,jpgoc) |
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| 131 | & *trn(ji,jj,jk,jpdoc) |
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| 132 | # if defined key_off_degrad |
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| 133 | & *facvol(ji,jj,jk) |
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| 134 | # endif |
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| 135 | C |
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| 136 | END DO |
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| 137 | END DO |
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| 138 | END DO |
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| 139 | |
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| 140 | # if defined key_trc_dia3d |
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| 141 | zrfact2 = 1.e3*rfact2r |
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| 142 | trc2d(:,:,5) = sinking(:,:,jksed+1)*zrfact2 |
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| 143 | trc2d(:,:,6) = sinking2(:,:,jksed+1)*zrfact2 |
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| 144 | trc2d(:,:,7) = sinkfer(:,:,jksed+1)*zrfact2 |
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| 145 | trc2d(:,:,8) = sinkfer2(:,:,jksed+1)*zrfact2 |
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| 146 | trc2d(:,:,9) = sinksil(:,:,jksed+1)*zrfact2 |
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| 147 | trc2d(:,:,10) = sinkcal(:,:,jksed+1)*zrfact2 |
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| 148 | # endif |
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