Changeset 1682 for palm/trunk/SOURCE/microphysics.f90
- Timestamp:
- Oct 7, 2015 11:56:08 PM (9 years ago)
- File:
-
- 1 edited
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palm/trunk/SOURCE/microphysics.f90 (modified) (39 diffs)
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palm/trunk/SOURCE/microphysics.f90
r1647 r1682 1 MODULE microphysics_mod 2 1 !> @file microphysics.f90 3 2 !--------------------------------------------------------------------------------! 4 3 ! This file is part of PALM. … … 20 19 ! Current revisions: 21 20 ! ------------------ 22 ! 21 ! Code annotations made doxygen readable 23 22 ! 24 23 ! Former revisions: … … 79 78 ! Description: 80 79 ! ------------ 81 ! Calculate cloud microphysics according to the two moment bulk 82 ! scheme by Seifert and Beheng (2006). 83 !------------------------------------------------------------------------------! 80 !> Calculate cloud microphysics according to the two moment bulk 81 !> scheme by Seifert and Beheng (2006). 82 !------------------------------------------------------------------------------! 83 MODULE microphysics_mod 84 84 85 85 86 PRIVATE … … 130 131 131 132 !------------------------------------------------------------------------------! 132 ! Call for all grid points 133 ! Description: 134 ! ------------ 135 !> Call for all grid points 133 136 !------------------------------------------------------------------------------! 134 137 SUBROUTINE microphysics_control … … 156 159 IMPLICIT NONE 157 160 158 INTEGER(iwp) :: i ! :159 INTEGER(iwp) :: j ! :160 INTEGER(iwp) :: k ! :161 162 REAL(wp) :: t_surface ! :161 INTEGER(iwp) :: i !< 162 INTEGER(iwp) :: j !< 163 INTEGER(iwp) :: k !< 164 165 REAL(wp) :: t_surface !< 163 166 164 167 IF ( large_scale_forcing .AND. lsf_surf ) THEN … … 205 208 END SUBROUTINE microphysics_control 206 209 210 !------------------------------------------------------------------------------! 211 ! Description: 212 ! ------------ 213 !> Adjust number of raindrops to avoid nonlinear effects in sedimentation and 214 !> evaporation of rain drops due to too small or too big weights 215 !> of rain drops (Stevens and Seifert, 2008). 216 !------------------------------------------------------------------------------! 207 217 SUBROUTINE adjust_cloud 208 218 … … 223 233 IMPLICIT NONE 224 234 225 INTEGER(iwp) :: i ! :226 INTEGER(iwp) :: j ! :227 INTEGER(iwp) :: k ! :235 INTEGER(iwp) :: i !< 236 INTEGER(iwp) :: j !< 237 INTEGER(iwp) :: k !< 228 238 229 239 CALL cpu_log( log_point_s(54), 'adjust_cloud', 'start' ) … … 236 246 nr(k,j,i) = 0.0_wp 237 247 ELSE 238 !239 !-- Adjust number of raindrops to avoid nonlinear effects in240 !-- sedimentation and evaporation of rain drops due to too small241 !-- or too big weights of rain drops (Stevens and Seifert, 2008).242 248 IF ( nr(k,j,i) * xrmin > qr(k,j,i) * hyrho(k) ) THEN 243 249 nr(k,j,i) = qr(k,j,i) * hyrho(k) / xrmin … … 245 251 nr(k,j,i) = qr(k,j,i) * hyrho(k) / xrmax 246 252 ENDIF 247 248 253 ENDIF 249 254 ENDDO … … 256 261 257 262 263 !------------------------------------------------------------------------------! 264 ! Description: 265 ! ------------ 266 !> Autoconversion rate (Seifert and Beheng, 2006). 267 !------------------------------------------------------------------------------! 258 268 SUBROUTINE autoconversion 259 269 … … 282 292 IMPLICIT NONE 283 293 284 INTEGER(iwp) :: i ! :285 INTEGER(iwp) :: j ! :286 INTEGER(iwp) :: k ! :287 288 REAL(wp) :: alpha_cc ! :289 REAL(wp) :: autocon ! :290 REAL(wp) :: dissipation ! :291 REAL(wp) :: k_au ! :292 REAL(wp) :: l_mix ! :293 REAL(wp) :: nu_c ! :294 REAL(wp) :: phi_au ! :295 REAL(wp) :: r_cc ! :296 REAL(wp) :: rc ! :297 REAL(wp) :: re_lambda ! :298 REAL(wp) :: selfcoll ! :299 REAL(wp) :: sigma_cc ! :300 REAL(wp) :: tau_cloud ! :301 REAL(wp) :: xc ! :294 INTEGER(iwp) :: i !< 295 INTEGER(iwp) :: j !< 296 INTEGER(iwp) :: k !< 297 298 REAL(wp) :: alpha_cc !< 299 REAL(wp) :: autocon !< 300 REAL(wp) :: dissipation !< 301 REAL(wp) :: k_au !< 302 REAL(wp) :: l_mix !< 303 REAL(wp) :: nu_c !< 304 REAL(wp) :: phi_au !< 305 REAL(wp) :: r_cc !< 306 REAL(wp) :: rc !< 307 REAL(wp) :: re_lambda !< 308 REAL(wp) :: selfcoll !< 309 REAL(wp) :: sigma_cc !< 310 REAL(wp) :: tau_cloud !< 311 REAL(wp) :: xc !< 302 312 303 313 CALL cpu_log( log_point_s(55), 'autoconversion', 'start' ) … … 387 397 388 398 399 !------------------------------------------------------------------------------! 400 ! Description: 401 ! ------------ 402 !> Accretion rate (Seifert and Beheng, 2006). 403 !------------------------------------------------------------------------------! 389 404 SUBROUTINE accretion 390 405 … … 408 423 IMPLICIT NONE 409 424 410 INTEGER(iwp) :: i ! :411 INTEGER(iwp) :: j ! :412 INTEGER(iwp) :: k ! :413 414 REAL(wp) :: accr ! :415 REAL(wp) :: k_cr ! :416 REAL(wp) :: phi_ac ! :417 REAL(wp) :: tau_cloud ! :418 REAL(wp) :: xc ! :425 INTEGER(iwp) :: i !< 426 INTEGER(iwp) :: j !< 427 INTEGER(iwp) :: k !< 428 429 REAL(wp) :: accr !< 430 REAL(wp) :: k_cr !< 431 REAL(wp) :: phi_ac !< 432 REAL(wp) :: tau_cloud !< 433 REAL(wp) :: xc !< 419 434 420 435 CALL cpu_log( log_point_s(56), 'accretion', 'start' ) … … 464 479 465 480 481 !------------------------------------------------------------------------------! 482 ! Description: 483 ! ------------ 484 !> Collisional breakup rate (Seifert, 2008). 485 !------------------------------------------------------------------------------! 466 486 SUBROUTINE selfcollection_breakup 467 487 … … 485 505 IMPLICIT NONE 486 506 487 INTEGER(iwp) :: i ! :488 INTEGER(iwp) :: j ! :489 INTEGER(iwp) :: k ! :490 491 REAL(wp) :: breakup ! :492 REAL(wp) :: dr ! :493 REAL(wp) :: phi_br ! :494 REAL(wp) :: selfcoll ! :507 INTEGER(iwp) :: i !< 508 INTEGER(iwp) :: j !< 509 INTEGER(iwp) :: k !< 510 511 REAL(wp) :: breakup !< 512 REAL(wp) :: dr !< 513 REAL(wp) :: phi_br !< 514 REAL(wp) :: selfcoll !< 495 515 496 516 CALL cpu_log( log_point_s(57), 'selfcollection', 'start' ) … … 530 550 531 551 552 !------------------------------------------------------------------------------! 553 ! Description: 554 ! ------------ 555 !> Evaporation of precipitable water. Condensation is neglected for 556 !> precipitable water. 557 !------------------------------------------------------------------------------! 532 558 SUBROUTINE evaporation_rain 533 534 !535 !-- Evaporation of precipitable water. Condensation is neglected for536 !-- precipitable water.537 559 538 560 USE arrays_3d, & … … 561 583 IMPLICIT NONE 562 584 563 INTEGER(iwp) :: i ! :564 INTEGER(iwp) :: j ! :565 INTEGER(iwp) :: k ! :566 567 REAL(wp) :: alpha ! :568 REAL(wp) :: dr ! :569 REAL(wp) :: e_s ! :570 REAL(wp) :: evap ! :571 REAL(wp) :: evap_nr ! :572 REAL(wp) :: f_vent ! :573 REAL(wp) :: g_evap ! :574 REAL(wp) :: lambda_r ! :575 REAL(wp) :: mu_r ! :576 REAL(wp) :: mu_r_2 ! :577 REAL(wp) :: mu_r_5d2 ! :578 REAL(wp) :: nr_0 ! :579 REAL(wp) :: q_s ! :580 REAL(wp) :: sat ! :581 REAL(wp) :: t_l ! :582 REAL(wp) :: temp ! :583 REAL(wp) :: xr ! :585 INTEGER(iwp) :: i !< 586 INTEGER(iwp) :: j !< 587 INTEGER(iwp) :: k !< 588 589 REAL(wp) :: alpha !< 590 REAL(wp) :: dr !< 591 REAL(wp) :: e_s !< 592 REAL(wp) :: evap !< 593 REAL(wp) :: evap_nr !< 594 REAL(wp) :: f_vent !< 595 REAL(wp) :: g_evap !< 596 REAL(wp) :: lambda_r !< 597 REAL(wp) :: mu_r !< 598 REAL(wp) :: mu_r_2 !< 599 REAL(wp) :: mu_r_5d2 !< 600 REAL(wp) :: nr_0 !< 601 REAL(wp) :: q_s !< 602 REAL(wp) :: sat !< 603 REAL(wp) :: t_l !< 604 REAL(wp) :: temp !< 605 REAL(wp) :: xr !< 584 606 585 607 CALL cpu_log( log_point_s(58), 'evaporation', 'start' ) … … 690 712 691 713 714 !------------------------------------------------------------------------------! 715 ! Description: 716 ! ------------ 717 !> Sedimentation of cloud droplets (Ackermann et al., 2009, MWR). 718 !------------------------------------------------------------------------------! 692 719 SUBROUTINE sedimentation_cloud 693 720 … … 714 741 IMPLICIT NONE 715 742 716 INTEGER(iwp) :: i ! :717 INTEGER(iwp) :: j ! :718 INTEGER(iwp) :: k ! :719 720 REAL(wp), DIMENSION(nzb:nzt+1) :: sed_qc ! :743 INTEGER(iwp) :: i !< 744 INTEGER(iwp) :: j !< 745 INTEGER(iwp) :: k !< 746 747 REAL(wp), DIMENSION(nzb:nzt+1) :: sed_qc !< 721 748 722 749 CALL cpu_log( log_point_s(59), 'sed_cloud', 'start' ) 723 750 724 !725 !-- Sedimentation of cloud droplets (Ackermann et al., 2009, MWR):726 751 sed_qc(nzt+1) = 0.0_wp 727 752 … … 758 783 759 784 785 !------------------------------------------------------------------------------! 786 ! Description: 787 ! ------------ 788 !> Computation of sedimentation flux. Implementation according to Stevens 789 !> and Seifert (2008). Code is based on UCLA-LES. 790 !------------------------------------------------------------------------------! 760 791 SUBROUTINE sedimentation_rain 761 792 … … 787 818 IMPLICIT NONE 788 819 789 INTEGER(iwp) :: i ! :790 INTEGER(iwp) :: j ! :791 INTEGER(iwp) :: k ! :792 INTEGER(iwp) :: k_run ! :793 794 REAL(wp) :: c_run ! :795 REAL(wp) :: d_max ! :796 REAL(wp) :: d_mean ! :797 REAL(wp) :: d_min ! :798 REAL(wp) :: dr ! :799 REAL(wp) :: dt_sedi ! :800 REAL(wp) :: flux ! :801 REAL(wp) :: lambda_r ! :802 REAL(wp) :: mu_r ! :803 REAL(wp) :: z_run ! :804 805 REAL(wp), DIMENSION(nzb:nzt+1) :: c_nr ! :806 REAL(wp), DIMENSION(nzb:nzt+1) :: c_qr ! :807 REAL(wp), DIMENSION(nzb:nzt+1) :: d_nr ! :808 REAL(wp), DIMENSION(nzb:nzt+1) :: d_qr ! :809 REAL(wp), DIMENSION(nzb:nzt+1) :: nr_slope ! :810 REAL(wp), DIMENSION(nzb:nzt+1) :: qr_slope ! :811 REAL(wp), DIMENSION(nzb:nzt+1) :: sed_nr ! :812 REAL(wp), DIMENSION(nzb:nzt+1) :: sed_qr ! :813 REAL(wp), DIMENSION(nzb:nzt+1) :: w_nr ! :814 REAL(wp), DIMENSION(nzb:nzt+1) :: w_qr ! :820 INTEGER(iwp) :: i !< 821 INTEGER(iwp) :: j !< 822 INTEGER(iwp) :: k !< 823 INTEGER(iwp) :: k_run !< 824 825 REAL(wp) :: c_run !< 826 REAL(wp) :: d_max !< 827 REAL(wp) :: d_mean !< 828 REAL(wp) :: d_min !< 829 REAL(wp) :: dr !< 830 REAL(wp) :: dt_sedi !< 831 REAL(wp) :: flux !< 832 REAL(wp) :: lambda_r !< 833 REAL(wp) :: mu_r !< 834 REAL(wp) :: z_run !< 835 836 REAL(wp), DIMENSION(nzb:nzt+1) :: c_nr !< 837 REAL(wp), DIMENSION(nzb:nzt+1) :: c_qr !< 838 REAL(wp), DIMENSION(nzb:nzt+1) :: d_nr !< 839 REAL(wp), DIMENSION(nzb:nzt+1) :: d_qr !< 840 REAL(wp), DIMENSION(nzb:nzt+1) :: nr_slope !< 841 REAL(wp), DIMENSION(nzb:nzt+1) :: qr_slope !< 842 REAL(wp), DIMENSION(nzb:nzt+1) :: sed_nr !< 843 REAL(wp), DIMENSION(nzb:nzt+1) :: sed_qr !< 844 REAL(wp), DIMENSION(nzb:nzt+1) :: w_nr !< 845 REAL(wp), DIMENSION(nzb:nzt+1) :: w_qr !< 815 846 816 847 CALL cpu_log( log_point_s(60), 'sed_rain', 'start' ) 817 ! 818 !-- Computation of sedimentation flux. Implementation according to Stevens 819 !-- and Seifert (2008). Code is based on UCLA-LES. 848 820 849 IF ( intermediate_timestep_count == 1 ) prr(:,:,:) = 0.0_wp 821 850 ! … … 1003 1032 1004 1033 !------------------------------------------------------------------------------! 1005 ! Call for grid point i,j 1034 ! Description: 1035 ! ------------ 1036 !> Call for grid point i,j 1006 1037 !------------------------------------------------------------------------------! 1007 1038 … … 1031 1062 IMPLICIT NONE 1032 1063 1033 INTEGER(iwp) :: i ! :1034 INTEGER(iwp) :: j ! :1035 INTEGER(iwp) :: k ! :1036 1037 REAL(wp) :: t_surface ! :1064 INTEGER(iwp) :: i !< 1065 INTEGER(iwp) :: j !< 1066 INTEGER(iwp) :: k !< 1067 1068 REAL(wp) :: t_surface !< 1038 1069 1039 1070 IF ( large_scale_forcing .AND. lsf_surf ) THEN … … 1099 1130 END SUBROUTINE microphysics_control_ij 1100 1131 1132 !------------------------------------------------------------------------------! 1133 ! Description: 1134 ! ------------ 1135 !> Adjust number of raindrops to avoid nonlinear effects in 1136 !> sedimentation and evaporation of rain drops due to too small or 1137 !> too big weights of rain drops (Stevens and Seifert, 2008). 1138 !> The same procedure is applied to cloud droplets if they are determined 1139 !> prognostically. Call for grid point i,j 1140 !------------------------------------------------------------------------------! 1101 1141 SUBROUTINE adjust_cloud_ij( i, j ) 1102 1142 … … 1114 1154 IMPLICIT NONE 1115 1155 1116 INTEGER(iwp) :: i !: 1117 INTEGER(iwp) :: j !: 1118 INTEGER(iwp) :: k !: 1119 ! 1120 !-- Adjust number of raindrops to avoid nonlinear effects in 1121 !-- sedimentation and evaporation of rain drops due to too small or 1122 !-- too big weights of rain drops (Stevens and Seifert, 2008). 1123 !-- The same procedure is applied to cloud droplets if they are determined 1124 !-- prognostically. 1156 INTEGER(iwp) :: i !< 1157 INTEGER(iwp) :: j !< 1158 INTEGER(iwp) :: k !< 1159 1125 1160 DO k = nzb_s_inner(j,i)+1, nzt 1126 1161 … … 1146 1181 1147 1182 1183 !------------------------------------------------------------------------------! 1184 ! Description: 1185 ! ------------ 1186 !> Autoconversion rate (Seifert and Beheng, 2006). Call for grid point i,j 1187 !------------------------------------------------------------------------------! 1148 1188 SUBROUTINE autoconversion_ij( i, j ) 1149 1189 … … 1168 1208 IMPLICIT NONE 1169 1209 1170 INTEGER(iwp) :: i ! :1171 INTEGER(iwp) :: j ! :1172 INTEGER(iwp) :: k ! :1173 1174 REAL(wp) :: alpha_cc ! :1175 REAL(wp) :: autocon ! :1176 REAL(wp) :: dissipation ! :1177 REAL(wp) :: k_au ! :1178 REAL(wp) :: l_mix ! :1179 REAL(wp) :: nu_c ! :1180 REAL(wp) :: phi_au ! :1181 REAL(wp) :: r_cc ! :1182 REAL(wp) :: rc ! :1183 REAL(wp) :: re_lambda ! :1184 REAL(wp) :: selfcoll ! :1185 REAL(wp) :: sigma_cc ! :1186 REAL(wp) :: tau_cloud ! :1187 REAL(wp) :: xc ! :1210 INTEGER(iwp) :: i !< 1211 INTEGER(iwp) :: j !< 1212 INTEGER(iwp) :: k !< 1213 1214 REAL(wp) :: alpha_cc !< 1215 REAL(wp) :: autocon !< 1216 REAL(wp) :: dissipation !< 1217 REAL(wp) :: k_au !< 1218 REAL(wp) :: l_mix !< 1219 REAL(wp) :: nu_c !< 1220 REAL(wp) :: phi_au !< 1221 REAL(wp) :: r_cc !< 1222 REAL(wp) :: rc !< 1223 REAL(wp) :: re_lambda !< 1224 REAL(wp) :: selfcoll !< 1225 REAL(wp) :: sigma_cc !< 1226 REAL(wp) :: tau_cloud !< 1227 REAL(wp) :: xc !< 1188 1228 1189 1229 DO k = nzb_s_inner(j,i)+1, nzt … … 1262 1302 1263 1303 1304 !------------------------------------------------------------------------------! 1305 ! Description: 1306 ! ------------ 1307 !> Accretion rate (Seifert and Beheng, 2006). Call for grid point i,j 1308 !------------------------------------------------------------------------------! 1264 1309 SUBROUTINE accretion_ij( i, j ) 1265 1310 … … 1280 1325 IMPLICIT NONE 1281 1326 1282 INTEGER(iwp) :: i ! :1283 INTEGER(iwp) :: j ! :1284 INTEGER(iwp) :: k ! :1285 1286 REAL(wp) :: accr ! :1287 REAL(wp) :: k_cr ! :1288 REAL(wp) :: phi_ac ! :1289 REAL(wp) :: tau_cloud ! :1290 REAL(wp) :: xc ! :1327 INTEGER(iwp) :: i !< 1328 INTEGER(iwp) :: j !< 1329 INTEGER(iwp) :: k !< 1330 1331 REAL(wp) :: accr !< 1332 REAL(wp) :: k_cr !< 1333 REAL(wp) :: phi_ac !< 1334 REAL(wp) :: tau_cloud !< 1335 REAL(wp) :: xc !< 1291 1336 1292 1337 DO k = nzb_s_inner(j,i)+1, nzt … … 1326 1371 1327 1372 1373 !------------------------------------------------------------------------------! 1374 ! Description: 1375 ! ------------ 1376 !> Collisional breakup rate (Seifert, 2008). Call for grid point i,j 1377 !------------------------------------------------------------------------------! 1328 1378 SUBROUTINE selfcollection_breakup_ij( i, j ) 1329 1379 … … 1344 1394 IMPLICIT NONE 1345 1395 1346 INTEGER(iwp) :: i ! :1347 INTEGER(iwp) :: j ! :1348 INTEGER(iwp) :: k ! :1349 1350 REAL(wp) :: breakup ! :1351 REAL(wp) :: dr ! :1352 REAL(wp) :: phi_br ! :1353 REAL(wp) :: selfcoll ! :1396 INTEGER(iwp) :: i !< 1397 INTEGER(iwp) :: j !< 1398 INTEGER(iwp) :: k !< 1399 1400 REAL(wp) :: breakup !< 1401 REAL(wp) :: dr !< 1402 REAL(wp) :: phi_br !< 1403 REAL(wp) :: selfcoll !< 1354 1404 1355 1405 DO k = nzb_s_inner(j,i)+1, nzt … … 1379 1429 1380 1430 1431 !------------------------------------------------------------------------------! 1432 ! Description: 1433 ! ------------ 1434 !> Evaporation of precipitable water. Condensation is neglected for 1435 !> precipitable water. Call for grid point i,j 1436 !------------------------------------------------------------------------------! 1381 1437 SUBROUTINE evaporation_rain_ij( i, j ) 1382 !1383 !-- Evaporation of precipitable water. Condensation is neglected for1384 !-- precipitable water.1385 1438 1386 1439 USE arrays_3d, & … … 1406 1459 IMPLICIT NONE 1407 1460 1408 INTEGER(iwp) :: i ! :1409 INTEGER(iwp) :: j ! :1410 INTEGER(iwp) :: k ! :1411 1412 REAL(wp) :: alpha ! :1413 REAL(wp) :: dr ! :1414 REAL(wp) :: e_s ! :1415 REAL(wp) :: evap ! :1416 REAL(wp) :: evap_nr ! :1417 REAL(wp) :: f_vent ! :1418 REAL(wp) :: g_evap ! :1419 REAL(wp) :: lambda_r ! :1420 REAL(wp) :: mu_r ! :1421 REAL(wp) :: mu_r_2 ! :1422 REAL(wp) :: mu_r_5d2 ! :1423 REAL(wp) :: nr_0 ! :1424 REAL(wp) :: q_s ! :1425 REAL(wp) :: sat ! :1426 REAL(wp) :: t_l ! :1427 REAL(wp) :: temp ! :1428 REAL(wp) :: xr ! :1461 INTEGER(iwp) :: i !< 1462 INTEGER(iwp) :: j !< 1463 INTEGER(iwp) :: k !< 1464 1465 REAL(wp) :: alpha !< 1466 REAL(wp) :: dr !< 1467 REAL(wp) :: e_s !< 1468 REAL(wp) :: evap !< 1469 REAL(wp) :: evap_nr !< 1470 REAL(wp) :: f_vent !< 1471 REAL(wp) :: g_evap !< 1472 REAL(wp) :: lambda_r !< 1473 REAL(wp) :: mu_r !< 1474 REAL(wp) :: mu_r_2 !< 1475 REAL(wp) :: mu_r_5d2 !< 1476 REAL(wp) :: nr_0 !< 1477 REAL(wp) :: q_s !< 1478 REAL(wp) :: sat !< 1479 REAL(wp) :: t_l !< 1480 REAL(wp) :: temp !< 1481 REAL(wp) :: xr !< 1429 1482 1430 1483 DO k = nzb_s_inner(j,i)+1, nzt … … 1523 1576 1524 1577 1578 !------------------------------------------------------------------------------! 1579 ! Description: 1580 ! ------------ 1581 !> Sedimentation of cloud droplets (Ackermann et al., 2009, MWR). 1582 !> Call for grid point i,j 1583 !------------------------------------------------------------------------------! 1525 1584 SUBROUTINE sedimentation_cloud_ij( i, j ) 1526 1585 … … 1544 1603 IMPLICIT NONE 1545 1604 1546 INTEGER(iwp) :: i !: 1547 INTEGER(iwp) :: j !: 1548 INTEGER(iwp) :: k !: 1549 1550 REAL(wp), DIMENSION(nzb:nzt+1) :: sed_qc !: 1551 1552 ! 1553 !-- Sedimentation of cloud droplets (Ackermann et al., 2009, MWR): 1605 INTEGER(iwp) :: i !< 1606 INTEGER(iwp) :: j !< 1607 INTEGER(iwp) :: k !< 1608 1609 REAL(wp), DIMENSION(nzb:nzt+1) :: sed_qc !< 1610 1554 1611 sed_qc(nzt+1) = 0.0_wp 1555 1612 … … 1578 1635 1579 1636 1637 !------------------------------------------------------------------------------! 1638 ! Description: 1639 ! ------------ 1640 !> Computation of sedimentation flux. Implementation according to Stevens 1641 !> and Seifert (2008). Code is based on UCLA-LES. Call for grid point i,j 1642 !------------------------------------------------------------------------------! 1580 1643 SUBROUTINE sedimentation_rain_ij( i, j ) 1581 1644 … … 1604 1667 IMPLICIT NONE 1605 1668 1606 INTEGER(iwp) :: i !: 1607 INTEGER(iwp) :: j !: 1608 INTEGER(iwp) :: k !: 1609 INTEGER(iwp) :: k_run !: 1610 1611 REAL(wp) :: c_run !: 1612 REAL(wp) :: d_max !: 1613 REAL(wp) :: d_mean !: 1614 REAL(wp) :: d_min !: 1615 REAL(wp) :: dr !: 1616 REAL(wp) :: dt_sedi !: 1617 REAL(wp) :: flux !: 1618 REAL(wp) :: lambda_r !: 1619 REAL(wp) :: mu_r !: 1620 REAL(wp) :: z_run !: 1621 1622 REAL(wp), DIMENSION(nzb:nzt+1) :: c_nr !: 1623 REAL(wp), DIMENSION(nzb:nzt+1) :: c_qr !: 1624 REAL(wp), DIMENSION(nzb:nzt+1) :: d_nr !: 1625 REAL(wp), DIMENSION(nzb:nzt+1) :: d_qr !: 1626 REAL(wp), DIMENSION(nzb:nzt+1) :: nr_slope !: 1627 REAL(wp), DIMENSION(nzb:nzt+1) :: qr_slope !: 1628 REAL(wp), DIMENSION(nzb:nzt+1) :: sed_nr !: 1629 REAL(wp), DIMENSION(nzb:nzt+1) :: sed_qr !: 1630 REAL(wp), DIMENSION(nzb:nzt+1) :: w_nr !: 1631 REAL(wp), DIMENSION(nzb:nzt+1) :: w_qr !: 1632 1633 1634 ! 1635 !-- Computation of sedimentation flux. Implementation according to Stevens 1636 !-- and Seifert (2008). Code is based on UCLA-LES. 1669 INTEGER(iwp) :: i !< 1670 INTEGER(iwp) :: j !< 1671 INTEGER(iwp) :: k !< 1672 INTEGER(iwp) :: k_run !< 1673 1674 REAL(wp) :: c_run !< 1675 REAL(wp) :: d_max !< 1676 REAL(wp) :: d_mean !< 1677 REAL(wp) :: d_min !< 1678 REAL(wp) :: dr !< 1679 REAL(wp) :: dt_sedi !< 1680 REAL(wp) :: flux !< 1681 REAL(wp) :: lambda_r !< 1682 REAL(wp) :: mu_r !< 1683 REAL(wp) :: z_run !< 1684 1685 REAL(wp), DIMENSION(nzb:nzt+1) :: c_nr !< 1686 REAL(wp), DIMENSION(nzb:nzt+1) :: c_qr !< 1687 REAL(wp), DIMENSION(nzb:nzt+1) :: d_nr !< 1688 REAL(wp), DIMENSION(nzb:nzt+1) :: d_qr !< 1689 REAL(wp), DIMENSION(nzb:nzt+1) :: nr_slope !< 1690 REAL(wp), DIMENSION(nzb:nzt+1) :: qr_slope !< 1691 REAL(wp), DIMENSION(nzb:nzt+1) :: sed_nr !< 1692 REAL(wp), DIMENSION(nzb:nzt+1) :: sed_qr !< 1693 REAL(wp), DIMENSION(nzb:nzt+1) :: w_nr !< 1694 REAL(wp), DIMENSION(nzb:nzt+1) :: w_qr !< 1695 1637 1696 IF ( intermediate_timestep_count == 1 ) prr(:,j,i) = 0.0_wp 1638 1697 ! … … 1796 1855 END SUBROUTINE sedimentation_rain_ij 1797 1856 1798 !------------------------------------------------------------------------------! 1799 ! Call for all optimizations 1800 !------------------------------------------------------------------------------! 1801 ! 1802 !-- This function computes the gamma function (Press et al., 1992). 1803 !-- The gamma function is needed for the calculation of the evaporation 1804 !-- of rain drops. 1857 1858 !------------------------------------------------------------------------------! 1859 ! Description: 1860 ! ------------ 1861 !> This function computes the gamma function (Press et al., 1992). 1862 !> The gamma function is needed for the calculation of the evaporation 1863 !> of rain drops. 1864 !------------------------------------------------------------------------------! 1805 1865 FUNCTION gamm( xx ) 1806 1866 … … 1812 1872 IMPLICIT NONE 1813 1873 1814 INTEGER(iwp) :: j ! :1815 1816 REAL(wp) :: gamm ! :1817 REAL(wp) :: ser ! :1818 REAL(wp) :: tmp ! :1819 REAL(wp) :: x_gamm ! :1820 REAL(wp) :: xx ! :1821 REAL(wp) :: y_gamm ! :1874 INTEGER(iwp) :: j !< 1875 1876 REAL(wp) :: gamm !< 1877 REAL(wp) :: ser !< 1878 REAL(wp) :: tmp !< 1879 REAL(wp) :: x_gamm !< 1880 REAL(wp) :: xx !< 1881 REAL(wp) :: y_gamm !< 1822 1882 1823 1883 x_gamm = xx
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