[1179] | 1 | MODULE seddsr |
---|
| 2 | #if defined key_sed |
---|
| 3 | !!====================================================================== |
---|
| 4 | !! *** MODULE seddsr *** |
---|
| 5 | !! Sediment : dissolution and reaction in pore water |
---|
| 6 | !!===================================================================== |
---|
| 7 | !! * Modules used |
---|
| 8 | USE sed ! sediment global variable |
---|
| 9 | USE sedmat ! linear system of equations |
---|
| 10 | USE sedco3 ! carbonate ion and proton concentration |
---|
| 11 | |
---|
| 12 | PUBLIC sed_dsr |
---|
| 13 | |
---|
| 14 | !! * Module variables |
---|
| 15 | |
---|
[2761] | 16 | REAL(wp), DIMENSION(:), ALLOCATABLE, PUBLIC :: cons_o2 |
---|
| 17 | REAL(wp), DIMENSION(:), ALLOCATABLE, PUBLIC :: cons_no3 |
---|
| 18 | REAL(wp), DIMENSION(:), ALLOCATABLE, PUBLIC :: sour_no3 |
---|
| 19 | REAL(wp), DIMENSION(:), ALLOCATABLE, PUBLIC :: sour_c13 |
---|
| 20 | REAL(wp), DIMENSION(:), ALLOCATABLE, PUBLIC :: dens_mol_wgt ! molecular density |
---|
[1179] | 21 | |
---|
| 22 | CONTAINS |
---|
| 23 | |
---|
| 24 | SUBROUTINE sed_dsr( kt ) |
---|
| 25 | !!---------------------------------------------------------------------- |
---|
| 26 | !! *** ROUTINE sed_dsr *** |
---|
| 27 | !! |
---|
| 28 | !! ** Purpose : computes pore water dissolution and reaction |
---|
| 29 | !! |
---|
| 30 | !! ** Methode : implicit simultaneous computation of undersaturation |
---|
| 31 | !! resulting from diffusive pore water transport and chemical |
---|
| 32 | !! pore water reactions. Solid material is consumed according |
---|
| 33 | !! to redissolution and remineralisation |
---|
| 34 | !! |
---|
| 35 | !! ** Remarks : |
---|
| 36 | !! - undersaturation : deviation from saturation concentration |
---|
| 37 | !! - reaction rate : sink of undersaturation from dissolution |
---|
| 38 | !! of solid material |
---|
| 39 | !! |
---|
| 40 | !! History : |
---|
| 41 | !! ! 98-08 (E. Maier-Reimer, Christoph Heinze ) Original code |
---|
| 42 | !! ! 04-10 (N. Emprin, M. Gehlen ) f90 |
---|
| 43 | !! ! 06-04 (C. Ethe) Re-organization |
---|
| 44 | !!---------------------------------------------------------------------- |
---|
| 45 | !! Arguments |
---|
| 46 | INTEGER, INTENT(in) :: kt ! number of iteration |
---|
| 47 | ! --- local variables |
---|
[2761] | 48 | INTEGER :: ji, jk, js, jw ! dummy looop indices |
---|
| 49 | INTEGER :: nv ! number of variables in linear tridiagonal eq |
---|
[1179] | 50 | |
---|
[2761] | 51 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: zrearat ! reaction rate in pore water |
---|
| 52 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: zundsat ! undersaturation ; indice jpwatp1 is for calcite |
---|
| 53 | REAL(wp), DIMENSION(: ), ALLOCATABLE :: zmo2_0, zmo2_1 ! temp. array for mass balance calculation |
---|
| 54 | REAL(wp), DIMENSION(: ), ALLOCATABLE :: zmno3_0, zmno3_1, zmno3_2 |
---|
| 55 | REAL(wp), DIMENSION(: ), ALLOCATABLE :: zmc13_0, zmc13_1, zmc13_2, zmc13_3 |
---|
| 56 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: zvolc ! temp. variables |
---|
| 57 | REAL(wp) :: zsolid1, zsolid2, zsolid3, zvolw, zreasat |
---|
| 58 | |
---|
[1179] | 59 | !! |
---|
| 60 | !!---------------------------------------------------------------------- |
---|
| 61 | |
---|
| 62 | IF( kt == nitsed000 ) THEN |
---|
| 63 | WRITE(numsed,*) ' sed_dsr : Dissolution reaction ' |
---|
| 64 | WRITE(numsed,*) ' ' |
---|
[2761] | 65 | ! |
---|
| 66 | ALLOCATE( dens_mol_wgt((jpoce) ) |
---|
[1179] | 67 | dens_mol_wgt(1:jpsol) = dens / mol_wgt(1:jpsol) |
---|
[2761] | 68 | ! |
---|
[1179] | 69 | ALLOCATE( cons_o2 (jpoce) ) ; ALLOCATE( cons_no3(jpoce) ) |
---|
| 70 | ALLOCATE( sour_no3(jpoce) ) ; ALLOCATE( sour_c13(jpoce) ) |
---|
| 71 | ENDIF |
---|
| 72 | |
---|
| 73 | ! Initialization of data for mass balance calculation |
---|
| 74 | !--------------------------------------------------- |
---|
| 75 | |
---|
| 76 | tokbot(:,:) = 0. |
---|
| 77 | cons_o2 (:) = 0. |
---|
| 78 | cons_no3(:) = 0. |
---|
| 79 | sour_no3(:) = 0. |
---|
| 80 | sour_c13(:) = 0. |
---|
| 81 | |
---|
| 82 | ! Initializations |
---|
| 83 | !---------------------- |
---|
| 84 | ALLOCATE( zmo2_0 (jpoce) ) ; ALLOCATE( zmo2_1 (jpoce) ) |
---|
| 85 | ALLOCATE( zmno3_0(jpoce) ) ; ALLOCATE( zmno3_1(jpoce) ) ; ALLOCATE( zmno3_2(jpoce) ) |
---|
| 86 | ALLOCATE( zmc13_0(jpoce) ) ; ALLOCATE( zmc13_1(jpoce) ) ; ALLOCATE( zmc13_2(jpoce) ) ; ALLOCATE( zmc13_3(jpoce) ) |
---|
| 87 | |
---|
| 88 | zmo2_0 (:) = 0. ; zmo2_1 (:) = 0. |
---|
| 89 | zmno3_0(:) = 0. ; zmno3_1(:) = 0. ; zmno3_2(:) = 0. |
---|
| 90 | zmc13_0(:) = 0. ; zmc13_1(:) = 0. ; zmc13_2(:) = 0. ; zmc13_3(:) = 0. |
---|
| 91 | |
---|
| 92 | ALLOCATE( zrearat(jpoce,jpksed,3) ) ; ALLOCATE( zundsat(jpoce,jpksed,3) ) |
---|
| 93 | zrearat(:,:,:) = 0. ; zundsat(:,:,:) = 0. |
---|
| 94 | |
---|
| 95 | |
---|
| 96 | ALLOCATE( zvolc(jpoce,jpksed,jpsol) ) |
---|
| 97 | zvolc(:,:,:) = 0. |
---|
| 98 | |
---|
| 99 | !-------------------------------------------------------------------- |
---|
| 100 | ! Temporary accomodation to take account of particule rain deposition |
---|
| 101 | !--------------------------------------------------------------------- |
---|
| 102 | |
---|
| 103 | |
---|
| 104 | ! 1. Change of geometry |
---|
| 105 | ! Increase of dz3d(2) thickness : dz3d(2) = dz3d(2)+dzdep |
---|
| 106 | ! Warning : no change for dz(2) |
---|
| 107 | !--------------------------------------------------------- |
---|
| 108 | dz3d(1:jpoce,2) = dz3d(1:jpoce,2) + dzdep(1:jpoce) |
---|
| 109 | |
---|
| 110 | |
---|
| 111 | ! New values for volw3d(:,2) and vols3d(:,2) |
---|
| 112 | ! Warning : no change neither for volw(2) nor vols(2) |
---|
| 113 | !------------------------------------------------------ |
---|
| 114 | volw3d(1:jpoce,2) = dz3d(1:jpoce,2) * por(2) |
---|
| 115 | vols3d(1:jpoce,2) = dz3d(1:jpoce,2) * por1(2) |
---|
| 116 | |
---|
| 117 | ! Conversion of volume units |
---|
| 118 | !---------------------------- |
---|
| 119 | DO js = 1, jpsol |
---|
| 120 | DO jk = 1, jpksed |
---|
| 121 | DO ji = 1, jpoce |
---|
| 122 | zvolc(ji,jk,js) = ( vols3d(ji,jk) * dens_mol_wgt(js) ) / & |
---|
| 123 | & ( volw3d(ji,jk) * 1.e-3 ) |
---|
| 124 | ENDDO |
---|
| 125 | ENDDO |
---|
| 126 | ENDDO |
---|
| 127 | |
---|
| 128 | ! 2. Change of previous solid fractions (due to volum changes) for k=2 |
---|
| 129 | !--------------------------------------------------------------------- |
---|
| 130 | |
---|
| 131 | DO js = 1, jpsol |
---|
| 132 | DO ji = 1, jpoce |
---|
| 133 | solcp(ji,2,js) = solcp(ji,2,js) * dz(2) / dz3d(ji,2) |
---|
| 134 | ENDDO |
---|
| 135 | END DO |
---|
| 136 | |
---|
| 137 | ! 3. New solid fractions (including solid rain fractions) for k=2 |
---|
| 138 | !------------------------------------------------------------------ |
---|
| 139 | DO js = 1, jpsol |
---|
| 140 | DO ji = 1, jpoce |
---|
| 141 | solcp(ji,2,js) = solcp(ji,2,js) + & |
---|
| 142 | & ( rainrg(ji,js) / raintg(ji) ) * ( dzdep(ji) / dz3d(ji,2) ) |
---|
| 143 | ! rainrm are temporary cancel |
---|
| 144 | rainrm(ji,js) = 0. |
---|
| 145 | END DO |
---|
| 146 | ENDDO |
---|
| 147 | |
---|
| 148 | ! 4. Adjustment of bottom water concen.(pwcp(1)): |
---|
| 149 | ! We impose that pwcp(2) is constant. Including dzdep in dz3d(:,2) we assume |
---|
| 150 | ! that dzdep has got a porosity of por(2). So pore water volum of jk=2 increase. |
---|
| 151 | ! To keep pwcp(2) cste we must compensate this "increase" by a slight adjusment |
---|
| 152 | ! of bottom water concentration. |
---|
| 153 | ! This adjustment is compensate at the end of routine |
---|
| 154 | !------------------------------------------------------------- |
---|
| 155 | DO jw = 1, jpwat |
---|
| 156 | DO ji = 1, jpoce |
---|
| 157 | pwcp(ji,1,jw) = pwcp(ji,1,jw) - & |
---|
| 158 | & pwcp(ji,2,jw) * dzdep(ji) * por(2) / dzkbot(ji) |
---|
| 159 | END DO |
---|
| 160 | ENDDO |
---|
| 161 | |
---|
| 162 | |
---|
| 163 | !---------------------------------------------------------- |
---|
| 164 | ! 5. Beginning of Pore Water diffusion and solid reaction |
---|
| 165 | !--------------------------------------------------------- |
---|
| 166 | |
---|
| 167 | !----------------------------------------------------------------------------- |
---|
| 168 | ! For jk=2,jpksed, and for couple |
---|
| 169 | ! 1 : jwsil/jsopal ( SI/Opal ) |
---|
| 170 | ! 2 : jsclay/jsclay ( clay/clay ) |
---|
| 171 | ! 3 : jwoxy/jspoc ( O2/POC ) |
---|
| 172 | ! reaction rate is a function of solid=concentration in solid reactif in [mol/l] |
---|
| 173 | ! and undersaturation in [mol/l]. |
---|
| 174 | ! Solid weight fractions should be in ie [mol/l]) |
---|
| 175 | ! second member and solution are in zundsat variable |
---|
| 176 | !------------------------------------------------------------------------- |
---|
| 177 | |
---|
| 178 | !number of variables |
---|
| 179 | nv = 3 |
---|
| 180 | |
---|
| 181 | DO jk = 1, jpksed |
---|
| 182 | DO ji = 1, jpoce |
---|
| 183 | ! For Silicic Acid and clay |
---|
| 184 | zundsat(ji,jk,1) = sat_sil - pwcp(ji,jk,jwsil) |
---|
| 185 | zundsat(ji,jk,2) = sat_clay |
---|
| 186 | ! For O2 |
---|
| 187 | zundsat(ji,jk,3) = pwcp(ji,jk,jwoxy) / so2ut |
---|
| 188 | ENDDO |
---|
| 189 | ENDDO |
---|
| 190 | |
---|
| 191 | |
---|
| 192 | ! Definition of reaction rates [rearat]=sans dim |
---|
| 193 | ! For jk=1 no reaction (pure water without solid) for each solid compo |
---|
| 194 | DO ji = 1, jpoce |
---|
| 195 | zrearat(ji,1,:) = 0. |
---|
| 196 | ENDDO |
---|
| 197 | |
---|
| 198 | |
---|
| 199 | ! left hand side of coefficient matrix |
---|
| 200 | DO jk = 2, jpksed |
---|
| 201 | DO ji = 1, jpoce |
---|
| 202 | zsolid1 = zvolc(ji,jk,jsopal) * solcp(ji,jk,jsopal) |
---|
| 203 | zsolid2 = zvolc(ji,jk,jsclay) * solcp(ji,jk,jsclay) |
---|
| 204 | zsolid3 = zvolc(ji,jk,jspoc) * solcp(ji,jk,jspoc) |
---|
| 205 | |
---|
| 206 | zrearat(ji,jk,1) = ( reac_sil * dtsed * zsolid1 ) / & |
---|
| 207 | & ( 1. + reac_sil * dtsed * zundsat(ji,jk,1 ) ) |
---|
| 208 | zrearat(ji,jk,2) = ( reac_clay * dtsed * zsolid2 ) / & |
---|
| 209 | & ( 1. + reac_clay * dtsed * zundsat(ji,jk,2 ) ) |
---|
| 210 | zrearat(ji,jk,3) = ( reac_poc * dtsed * zsolid3 ) / & |
---|
| 211 | & ( 1. + reac_poc * dtsed * zundsat(ji,jk,3 ) ) |
---|
| 212 | ENDDO |
---|
| 213 | ENDDO |
---|
| 214 | |
---|
| 215 | |
---|
| 216 | CALL sed_mat( nv, jpoce, jpksed, zrearat, zundsat ) |
---|
| 217 | |
---|
| 218 | |
---|
| 219 | ! New solid concentration values (jk=2 to jksed) for each couple |
---|
| 220 | DO js = 1, nv |
---|
| 221 | DO jk = 2, jpksed |
---|
| 222 | DO ji = 1, jpoce |
---|
| 223 | zreasat = zrearat(ji,jk,js) * zundsat(ji,jk,js) / zvolc(ji,jk,js) |
---|
| 224 | solcp(ji,jk,js) = solcp(ji,jk,js) - zreasat |
---|
| 225 | ENDDO |
---|
| 226 | ENDDO |
---|
| 227 | ENDDO |
---|
| 228 | ! mass of O2/NO3 before POC remin. for mass balance check |
---|
| 229 | ! det. of o2 consomation/NO3 production Mc13 |
---|
| 230 | DO jk = 1, jpksed |
---|
| 231 | DO ji = 1, jpoce |
---|
| 232 | zvolw = volw3d(ji,jk) * 1.e-3 |
---|
| 233 | zmo2_0 (ji) = zmo2_0 (ji) + pwcp(ji,jk,jwoxy) * zvolw |
---|
| 234 | zmno3_0(ji) = zmno3_0(ji) + pwcp(ji,jk,jwno3) * zvolw |
---|
| 235 | zmc13_0(ji) = zmc13_0(ji) + pwcp(ji,jk,jwc13) * zvolw |
---|
| 236 | ENDDO |
---|
| 237 | ENDDO |
---|
| 238 | |
---|
| 239 | ! New pore water concentrations |
---|
| 240 | DO jk = 1, jpksed |
---|
| 241 | DO ji = 1, jpoce |
---|
| 242 | ! Acid Silicic |
---|
| 243 | pwcp(ji,jk,jwsil) = sat_sil - zundsat(ji,jk,1) |
---|
| 244 | ! For O2 (in mol/l) |
---|
| 245 | pwcp(ji,jk,jwoxy) = zundsat(ji,jk,3) * so2ut |
---|
| 246 | zreasat = zrearat(ji,jk,3) * zundsat(ji,jk,3) ! oxygen |
---|
| 247 | ! For DIC |
---|
| 248 | pwcp(ji,jk,jwdic) = pwcp(ji,jk,jwdic) + zreasat |
---|
| 249 | ! For nitrates |
---|
| 250 | pwcp(ji,jk,jwno3) = pwcp(ji,jk,jwno3) + zreasat * srno3 |
---|
| 251 | ! For Phosphate (in mol/l) |
---|
| 252 | pwcp(ji,jk,jwpo4) = pwcp(ji,jk,jwpo4) + zreasat * spo4r |
---|
| 253 | ! For alkalinity |
---|
| 254 | pwcp(ji,jk,jwalk) = pwcp(ji,jk,jwalk) - zreasat * ( srno3 + 2.* spo4r ) |
---|
| 255 | ! For DIC13 |
---|
| 256 | pwcp(ji,jk,jwc13) = pwcp(ji,jk,jwc13) + zreasat * rc13P * pdb |
---|
| 257 | ENDDO |
---|
| 258 | ENDDO |
---|
| 259 | |
---|
| 260 | |
---|
| 261 | ! Mass of O2 for mass balance check and det. of o2 consomation |
---|
| 262 | DO jk = 1, jpksed |
---|
| 263 | DO ji = 1, jpoce |
---|
| 264 | zvolw = volw3d(ji,jk) * 1.e-3 |
---|
| 265 | zmo2_1 (ji) = zmo2_1 (ji) + pwcp(ji,jk,jwoxy) * zvolw |
---|
| 266 | zmno3_1(ji) = zmno3_1(ji) + pwcp(ji,jk,jwno3) * zvolw |
---|
| 267 | zmc13_1(ji) = zmc13_1(ji) + pwcp(ji,jk,jwc13) * zvolw |
---|
| 268 | ENDDO |
---|
| 269 | ENDDO |
---|
| 270 | |
---|
| 271 | DO ji = 1, jpoce |
---|
| 272 | cons_o2 (ji) = zmo2_0 (ji) - zmo2_1 (ji) |
---|
| 273 | sour_no3(ji) = zmno3_1(ji) - zmno3_0(ji) |
---|
| 274 | sour_c13(ji) = zmc13_1(ji) - zmc13_0(ji) |
---|
| 275 | ENDDO |
---|
| 276 | |
---|
| 277 | |
---|
| 278 | !-------------------------------------------------------------------- |
---|
| 279 | ! Begining POC denitrification and NO3- diffusion |
---|
| 280 | ! (indice n°5 for couple POC/NO3- ie solcp(:,:,jspoc)/pwcp(:,:,jwno3)) |
---|
| 281 | !-------------------------------------------------------------------- |
---|
| 282 | |
---|
| 283 | nv = 1 |
---|
| 284 | DO jk = 1, jpksed |
---|
| 285 | DO ji = 1, jpoce |
---|
| 286 | zundsat(ji,jk,1) = pwcp(ji,jk,jwno3) / srDnit |
---|
| 287 | ENDDO |
---|
| 288 | ENDDO |
---|
| 289 | DO jk = 2, jpksed |
---|
| 290 | DO ji = 1, jpoce |
---|
| 291 | IF( pwcp(ji,jk,jwoxy) < sthrO2 ) THEN |
---|
| 292 | zsolid1 = zvolc(ji,jk,jspoc) * solcp(ji,jk,jspoc) |
---|
| 293 | zrearat(ji,jk,1) = ( reac_no3 * dtsed * zsolid1 ) / & |
---|
| 294 | & ( 1. + reac_no3 * dtsed * zundsat(ji,jk,1 ) ) |
---|
| 295 | ELSE |
---|
| 296 | zrearat(ji,jk,1) = 0. |
---|
| 297 | ENDIF |
---|
| 298 | END DO |
---|
| 299 | END DO |
---|
| 300 | |
---|
| 301 | |
---|
| 302 | ! solves tridiagonal system |
---|
| 303 | CALL sed_mat( nv, jpoce, jpksed, zrearat, zundsat ) |
---|
| 304 | |
---|
| 305 | |
---|
| 306 | ! New solid concentration values (jk=2 to jksed) for each couple |
---|
| 307 | DO jk = 2, jpksed |
---|
| 308 | DO ji = 1, jpoce |
---|
| 309 | zreasat = zrearat(ji,jk,1) * zundsat(ji,jk,1) / zvolc(ji,jk,jspoc) |
---|
| 310 | solcp(ji,jk,jspoc) = solcp(ji,jk,jspoc) - zreasat |
---|
| 311 | ENDDO |
---|
| 312 | ENDDO |
---|
| 313 | |
---|
| 314 | ! New dissolved concentrations |
---|
| 315 | DO jk = 1, jpksed |
---|
| 316 | DO ji = 1, jpoce |
---|
| 317 | zreasat = zrearat(ji,jk,1) * zundsat(ji,jk,1) |
---|
| 318 | ! For nitrates |
---|
| 319 | pwcp(ji,jk,jwno3) = zundsat(ji,jk,1) * srDnit |
---|
| 320 | ! For DIC |
---|
| 321 | pwcp(ji,jk,jwdic) = pwcp(ji,jk,jwdic) + zreasat |
---|
| 322 | ! For Phosphate (in mol/l) |
---|
| 323 | pwcp(ji,jk,jwpo4) = pwcp(ji,jk,jwpo4) + zreasat * spo4r |
---|
| 324 | ! For alkalinity |
---|
| 325 | pwcp(ji,jk,jwalk) = pwcp(ji,jk,jwalk) + zreasat * ( srDnit - 2.* spo4r ) |
---|
| 326 | ! For DIC13 |
---|
| 327 | pwcp(ji,jk,jwc13) = pwcp(ji,jk,jwc13) + zreasat * rc13P * pdb |
---|
| 328 | ENDDO |
---|
| 329 | ENDDO |
---|
| 330 | |
---|
| 331 | |
---|
| 332 | ! Mass of O2 for mass balance check and det. of o2 consomation |
---|
| 333 | DO jk = 1, jpksed |
---|
| 334 | DO ji = 1, jpoce |
---|
| 335 | zvolw = volw3d(ji,jk) * 1.e-3 |
---|
| 336 | zmno3_2(ji) = zmno3_2(ji) + pwcp(ji,jk ,jwno3) * zvolw |
---|
| 337 | zmc13_2(ji) = zmc13_2(ji) + pwcp(ji,jk ,jwc13) * zvolw |
---|
| 338 | ENDDO |
---|
| 339 | ENDDO |
---|
| 340 | |
---|
| 341 | DO ji = 1, jpoce |
---|
| 342 | cons_no3(ji) = zmno3_1(ji) - zmno3_2(ji) |
---|
| 343 | sour_c13(ji) = sour_c13(ji) + zmc13_2(ji) - zmc13_1(ji) |
---|
| 344 | ENDDO |
---|
| 345 | |
---|
| 346 | |
---|
| 347 | !--------------------------- |
---|
| 348 | ! Solves PO4 diffusion |
---|
| 349 | !---------------------------- |
---|
| 350 | |
---|
| 351 | nv = 1 |
---|
| 352 | DO jk = 1, jpksed |
---|
| 353 | DO ji = 1, jpoce |
---|
| 354 | zundsat(ji,jk,1) = pwcp(ji,jk,jwpo4) |
---|
| 355 | zrearat(ji,jk,1) = 0. |
---|
| 356 | ENDDO |
---|
| 357 | ENDDO |
---|
| 358 | |
---|
| 359 | |
---|
| 360 | ! solves tridiagonal system |
---|
| 361 | CALL sed_mat( nv, jpoce, jpksed, zrearat, zundsat ) |
---|
| 362 | |
---|
| 363 | |
---|
| 364 | ! New undsaturation values and dissolved concentrations |
---|
| 365 | DO jk = 1, jpksed |
---|
| 366 | DO ji = 1, jpoce |
---|
| 367 | pwcp(ji,jk,jwpo4) = zundsat(ji,jk,1) |
---|
| 368 | ENDDO |
---|
| 369 | ENDDO |
---|
| 370 | |
---|
| 371 | |
---|
| 372 | !--------------------------------------------------------------- |
---|
| 373 | ! Performs CaCO3 particle deposition and redissolution (indice 9) |
---|
| 374 | !-------------------------------------------------------------- |
---|
| 375 | |
---|
| 376 | ! computes co3por from the updated pwcp concentrations (note [co3por] = mol/l) |
---|
| 377 | |
---|
| 378 | CALL sed_co3( kt ) |
---|
| 379 | |
---|
| 380 | |
---|
| 381 | nv = 1 |
---|
| 382 | ! *densSW(l)**2 converts aksps [mol2/kg sol2] into [mol2/l2] to get [undsat] in [mol/l] |
---|
| 383 | DO jk = 1, jpksed |
---|
| 384 | DO ji = 1, jpoce |
---|
| 385 | zundsat(ji,jk,1) = aksps(ji) * densSW(ji) * densSW(ji) / calcon2(ji) & |
---|
| 386 | & - co3por(ji,jk) |
---|
| 387 | ! positive values of undersaturation |
---|
| 388 | zundsat(ji,jk,1) = MAX( 0., zundsat(ji,jk,1) ) |
---|
| 389 | ENDDO |
---|
| 390 | ENDDO |
---|
| 391 | |
---|
| 392 | DO jk = 2, jpksed |
---|
| 393 | DO ji = 1, jpoce |
---|
| 394 | zsolid1 = zvolc(ji,jk,jscal) * solcp(ji,jk,jscal) |
---|
| 395 | zrearat(ji,jk,1) = ( reac_cal * dtsed * zsolid1 ) / & |
---|
| 396 | & ( 1. + reac_cal * dtsed * zundsat(ji,jk,1) ) |
---|
| 397 | END DO |
---|
| 398 | END DO |
---|
| 399 | |
---|
| 400 | |
---|
| 401 | ! solves tridiagonal system |
---|
| 402 | CALL sed_mat( nv, jpoce, jpksed, zrearat, zundsat ) |
---|
| 403 | |
---|
| 404 | |
---|
| 405 | ! New solid concentration values (jk=2 to jksed) for cacO3 |
---|
| 406 | DO jk = 2, jpksed |
---|
| 407 | DO ji = 1, jpoce |
---|
| 408 | zreasat = zrearat(ji,jk,1) * zundsat(ji,jk,1) / zvolc(ji,jk,jscal) |
---|
| 409 | solcp(ji,jk,jscal) = solcp(ji,jk,jscal) - zreasat |
---|
| 410 | ENDDO |
---|
| 411 | ENDDO |
---|
| 412 | |
---|
| 413 | ! New dissolved concentrations |
---|
| 414 | DO jk = 1, jpksed |
---|
| 415 | DO ji = 1, jpoce |
---|
| 416 | zreasat = zrearat(ji,jk,1) * zundsat(ji,jk,1) |
---|
| 417 | ! For DIC |
---|
| 418 | pwcp(ji,jk,jwdic) = pwcp(ji,jk,jwdic) + zreasat |
---|
| 419 | ! For alkalinity |
---|
| 420 | pwcp(ji,jk,jwalk) = pwcp(ji,jk,jwalk) + 2.* zreasat |
---|
| 421 | ! For DIC13 |
---|
| 422 | pwcp(ji,jk,jwc13) = pwcp(ji,jk,jwc13) + zreasat * rc13Ca * pdb |
---|
| 423 | ENDDO |
---|
| 424 | ENDDO |
---|
| 425 | |
---|
| 426 | DO jk = 1, jpksed |
---|
| 427 | DO ji = 1, jpoce |
---|
| 428 | zmc13_3(ji) = zmc13_3(ji) + pwcp(ji,jk,jwc13) * volw3d(ji,jk) * 1.e-3 |
---|
| 429 | ENDDO |
---|
| 430 | ENDDO |
---|
| 431 | |
---|
| 432 | DO ji = 1, jpoce |
---|
| 433 | sour_c13(ji) = sour_c13(ji) + zmc13_3(ji) - zmc13_2(ji) |
---|
| 434 | ENDDO |
---|
| 435 | |
---|
| 436 | !------------------------------------------------- |
---|
| 437 | ! Beginning DIC, Alkalinity and DIC13 diffusion |
---|
| 438 | !------------------------------------------------- |
---|
| 439 | |
---|
| 440 | nv = 3 |
---|
| 441 | DO jk = 1, jpksed |
---|
| 442 | DO ji = 1, jpoce |
---|
| 443 | zundsat(ji,jk,1) = pwcp(ji,jk,jwdic) |
---|
| 444 | zundsat(ji,jk,2) = pwcp(ji,jk,jwalk) |
---|
| 445 | zundsat(ji,jk,3) = pwcp(ji,jk,jwc13) |
---|
| 446 | |
---|
| 447 | zrearat(ji,jk,1) = 0. |
---|
| 448 | zrearat(ji,jk,2) = 0. |
---|
| 449 | zrearat(ji,jk,3) = 0. |
---|
| 450 | |
---|
| 451 | ENDDO |
---|
| 452 | ENDDO |
---|
| 453 | |
---|
| 454 | |
---|
| 455 | ! solves tridiagonal system |
---|
| 456 | CALL sed_mat( nv, jpoce, jpksed, zrearat, zundsat ) |
---|
| 457 | |
---|
| 458 | |
---|
| 459 | ! New dissolved concentrations |
---|
| 460 | DO jk = 1, jpksed |
---|
| 461 | DO ji = 1, jpoce |
---|
| 462 | pwcp(ji,jk,jwdic) = zundsat(ji,jk,1) |
---|
| 463 | pwcp(ji,jk,jwalk) = zundsat(ji,jk,2) |
---|
| 464 | pwcp(ji,jk,jwc13) = zundsat(ji,jk,3) |
---|
| 465 | ENDDO |
---|
| 466 | ENDDO |
---|
| 467 | |
---|
| 468 | !---------------------------------- |
---|
| 469 | ! Back to initial geometry |
---|
| 470 | !----------------------------- |
---|
| 471 | |
---|
| 472 | !--------------------------------------------------------------------- |
---|
| 473 | ! 1/ Compensation for ajustement of the bottom water concentrations |
---|
| 474 | ! (see note n° 1 about *por(2)) |
---|
| 475 | !-------------------------------------------------------------------- |
---|
| 476 | DO jw = 1, jpwat |
---|
| 477 | DO ji = 1, jpoce |
---|
| 478 | pwcp(ji,1,jw) = pwcp(ji,1,jw) + & |
---|
| 479 | & pwcp(ji,2,jw) * dzdep(ji) * por(2) / dzkbot(ji) |
---|
| 480 | END DO |
---|
| 481 | ENDDO |
---|
| 482 | |
---|
| 483 | !----------------------------------------------------------------------- |
---|
| 484 | ! 2/ Det of new rainrg taking account of the new weight fraction obtained |
---|
| 485 | ! in dz3d(2) after diffusion/reaction (react/diffu are also in dzdep!) |
---|
| 486 | ! This new rain (rgntg rm) will be used in advection/burial routine |
---|
| 487 | !------------------------------------------------------------------------ |
---|
| 488 | DO js = 1, jpsol |
---|
| 489 | DO ji = 1, jpoce |
---|
| 490 | rainrg(ji,js) = raintg(ji) * solcp(ji,2,js) |
---|
| 491 | rainrm(ji,js) = rainrg(ji,js) / mol_wgt(js) |
---|
| 492 | END DO |
---|
| 493 | ENDDO |
---|
| 494 | |
---|
| 495 | ! New raintg |
---|
| 496 | raintg(:) = 0. |
---|
| 497 | DO js = 1, jpsol |
---|
| 498 | DO ji = 1, jpoce |
---|
| 499 | raintg(ji) = raintg(ji) + rainrg(ji,js) |
---|
| 500 | END DO |
---|
| 501 | ENDDO |
---|
| 502 | |
---|
| 503 | !-------------------------------- |
---|
| 504 | ! 3/ back to initial geometry |
---|
| 505 | !-------------------------------- |
---|
| 506 | DO ji = 1, jpoce |
---|
| 507 | dz3d (ji,2) = dz(2) |
---|
| 508 | volw3d(ji,2) = dz3d(ji,2) * por(2) |
---|
| 509 | vols3d(ji,2) = dz3d(ji,2) * por1(2) |
---|
| 510 | ENDDO |
---|
| 511 | |
---|
| 512 | !---------------------------------------------------------------------- |
---|
| 513 | ! 4/ Saving new amount of material in dzkbot for mass balance check |
---|
| 514 | ! tokbot in [mol] (implicit *1cm*1cm for spacial dim) |
---|
| 515 | !---------------------------------------------------------------------- |
---|
| 516 | DO jw = 1, jpwat |
---|
| 517 | DO ji = 1, jpoce |
---|
| 518 | tokbot(ji,jw) = pwcp(ji,1,jw) * 1.e-3 * dzkbot(ji) |
---|
| 519 | END DO |
---|
| 520 | ENDDO |
---|
| 521 | |
---|
| 522 | DEALLOCATE( zmo2_0 ) ; DEALLOCATE( zmno3_1 ) ; DEALLOCATE( zmno3_2 ) |
---|
| 523 | DEALLOCATE( zmc13_0 ) ; DEALLOCATE( zmc13_1 ) ; DEALLOCATE( zmc13_2 ) ; DEALLOCATE( zmc13_3 ) |
---|
| 524 | |
---|
| 525 | DEALLOCATE( zrearat ) ; DEALLOCATE( zundsat ) ; DEALLOCATE( zvolc ) |
---|
| 526 | |
---|
| 527 | END SUBROUTINE sed_dsr |
---|
| 528 | #else |
---|
| 529 | !!====================================================================== |
---|
| 530 | !! MODULE seddsr : Dummy module |
---|
| 531 | !!====================================================================== |
---|
| 532 | CONTAINS |
---|
| 533 | SUBROUTINE sed_dsr ( kt ) |
---|
| 534 | INTEGER, INTENT(in) :: kt |
---|
[1250] | 535 | WRITE(*,*) 'sed_dsr: You should not have seen this print! error?', kt |
---|
[1179] | 536 | END SUBROUTINE sed_dsr |
---|
| 537 | #endif |
---|
| 538 | |
---|
| 539 | END MODULE seddsr |
---|