* rr_adv_tx.F * * Rick Romea * Jan. 24, 2000 * * Zonal nonlinear advective term: -u dT/dx * Units : oC/s * MOM2 Grid: T * ******************************************************************* SUBROUTINE RR_adv_tx_init(id) IMPLICIT NONE INCLUDE 'ferret_cmn/EF_Util.cmn' INTEGER id CALL ef_set_desc (id, .'-u(dT/dx) nonlinear term (oC/s);MOM2 T Grid') CALL ef_set_num_args (id, 2) CALL ef_set_axis_inheritance (id, IMPLIED_BY_ARGS, . IMPLIED_BY_ARGS, . IMPLIED_BY_ARGS, . IMPLIED_BY_ARGS) CALL ef_set_piecemeal_ok (id, NO, NO, NO, NO) CALL ef_set_arg_name (id, ARG1, 'U') CALL ef_set_arg_desc (id, ARG1, . 'Zonal velocity, on the MOM2 U Grid. ') CALL ef_set_arg_unit (id, ARG1, 'cm/sec') CALL ef_set_arg_type (id, ARG1, FLOAT_ARG) CALL ef_set_axis_influence (id, ARG1, YES,YES,YES,YES) CALL ef_set_axis_extend (id, ARG1, X_AXIS,-1,+1) CALL ef_set_axis_extend (id, ARG1, Y_AXIS,-1,+1) CALL ef_set_arg_name (id, ARG2, 'TEMP ') CALL ef_set_arg_desc (id, ARG2, . 'Potential temperature, on the MOM2 T Grid. ') CALL ef_set_arg_unit (id, ARG2, 'deg-C') CALL ef_set_arg_type (id, ARG2, FLOAT_ARG) CALL ef_set_axis_influence (id, ARG2, NO,NO,YES,YES) CALL ef_set_axis_extend (id, ARG2, X_AXIS,-1,+1) CALL ef_set_axis_extend (id, ARG2, Y_AXIS,-1,+1) END SUBROUTINE RR_adv_tx_compute(id, arg_1, arg_2, result) IMPLICIT NONE INCLUDE 'ferret_cmn/EF_Util.cmn' INCLUDE 'ferret_cmn/EF_mem_subsc.cmn' INTEGER id REAL bad_flag(EF_MAX_ARGS) REAL bad_flag_result REAL arg_1 (mem1lox:mem1hix, mem1loy:mem1hiy, . mem1loz:mem1hiz, mem1lot:mem1hit) REAL arg_2 (mem2lox:mem2hix, mem2loy:mem2hiy, . mem2loz:mem2hiz, mem2lot:mem2hit) REAL result (memreslox:memreshix,memresloy:memreshiy, . memresloz:memreshiz,memreslot:memreshit) INTEGER res_lo_ss (4) INTEGER res_hi_ss (4) INTEGER res_incr (4) INTEGER arg_lo_ss (4,EF_MAX_ARGS) INTEGER arg_hi_ss (4,EF_MAX_ARGS) INTEGER arg_incr (4,EF_MAX_ARGS) INTEGER i, j, k, l INTEGER i1, j1, k1, l1 INTEGER i2, j2, k2, l2 REAL*8 yU(1024) REAL*8 xU(1024) REAL*8 yT(1024) REAL*8 xT(1024) INTEGER ilat INTEGER ilon REAL dxt, dyt, dyu REAL adv_vet, adv_fe, cst INCLUDE 'rr_parameters.h' dxt(i) = SNGL (xU(i) - xU(i-1)) * Longitude_to_cm dyt(j) = SNGL (yU(j) - yU(j-1)) * Latitude_to_cm dyu(j) = SNGL (yT(j+1) - yT(j)) * Latitude_to_cm adv_vet(i,j,k,l,iLat) = (arg_1(i,j,k,l)*dyu(iLat) + . arg_1(i,j-1,k,l)*dyu(iLat-1)) /2./ dyt(iLat) adv_fe (i1,j1,k1,l1,i2,j2,k2,l2,iLat) = adv_vet(i1,j1,k1,l1,iLat) . *(arg_2(i2,j2,k2,l2) + arg_2(i2+1,j2,k2,l2)) CALL ef_get_res_subscripts (id, res_lo_ss, res_hi_ss, res_incr) CALL ef_get_arg_subscripts (id, arg_lo_ss, arg_hi_ss, arg_incr) CALL ef_get_bad_flags (id, bad_flag, bad_flag_result) CALL ef_get_coordinates (id, ARG1, X_AXIS, . arg_lo_ss(X_AXIS,ARG1), . arg_hi_ss(X_AXIS,ARG1), xU) CALL ef_get_coordinates (id, ARG1, Y_AXIS, . arg_lo_ss(Y_AXIS,ARG1), . arg_hi_ss(Y_AXIS,ARG1), yU) CALL ef_get_coordinates (id, ARG2, X_AXIS, . arg_lo_ss(X_AXIS,ARG2), . arg_hi_ss(X_AXIS,ARG2), xT) CALL ef_get_coordinates (id, ARG2, Y_AXIS, . arg_lo_ss(Y_AXIS,ARG2), . arg_hi_ss(Y_AXIS,ARG2), yT) l1 = arg_lo_ss(T_AXIS,ARG1) l2 = arg_lo_ss(T_AXIS,ARG2) DO l = res_lo_ss(T_AXIS), res_hi_ss(T_AXIS) k1 = arg_lo_ss(Z_AXIS,ARG1) k2 = arg_lo_ss(Z_AXIS,ARG2) DO k = res_lo_ss(Z_AXIS), res_hi_ss(Z_AXIS) ilat = 2 j1 = arg_lo_ss(Y_AXIS,ARG1) + 1 j2 = arg_lo_ss(Y_AXIS,ARG2) + 1 DO j = res_lo_ss(Y_AXIS), res_hi_ss(Y_AXIS) cst = cos(SNGL(yT(iLat)) * Degrees_to_radians) iLon = 2 i1 = arg_lo_ss(X_AXIS,ARG1) + 1 i2 = arg_lo_ss(X_AXIS,ARG2) + 1 DO i = res_lo_ss(X_AXIS), res_hi_ss(X_AXIS) IF ( . arg_1(i1, j1, k1,l1) .EQ. bad_flag(ARG1) .OR. . arg_1(i1+1,j1, k1,l1) .EQ. bad_flag(ARG1) .OR. . arg_1(i1-1,j1, k1,l1) .EQ. bad_flag(ARG1) .OR. . arg_1(i1, j1+1,k1,l1) .EQ. bad_flag(ARG1) .OR. . arg_1(i1+1,j1+1,k1,l1) .EQ. bad_flag(ARG1) .OR. . arg_1(i1-1,j1+1,k1,l1) .EQ. bad_flag(ARG1) .OR. . arg_1(i1, j1-1,k1,l1) .EQ. bad_flag(ARG1) .OR. . arg_1(i1+1,j1-1,k1,l1) .EQ. bad_flag(ARG1) .OR. . arg_1(i1-1,j1-1,k1,l1) .EQ. bad_flag(ARG1) .OR. . arg_2(i2, j2, k2,l2) .EQ. bad_flag(ARG2) .OR. . arg_2(i2+1,j2, k2,l2) .EQ. bad_flag(ARG2) .OR. . arg_2(i2-1,j2, k2,l2) .EQ. bad_flag(ARG2) .OR. . arg_2(i2, j2+1,k2,l2) .EQ. bad_flag(ARG2) .OR. . arg_2(i2+1,j2+1,k2,l2) .EQ. bad_flag(ARG2) .OR. . arg_2(i2-1,j2+1,k2,l2) .EQ. bad_flag(ARG2) .OR. . arg_2(i2, j2-1,k2,l2) .EQ. bad_flag(ARG2) .OR. . arg_2(i2+1,j2-1,k2,l2) .EQ. bad_flag(ARG2) .OR. . arg_2(i2-1,j2-1,k2,l2) .EQ. bad_flag(ARG2) . )THEN result(i,j,k,l) = bad_flag_result ELSE result(i,j,k,l) = ( . - (adv_fe(i1,j1,k1,l1,i2,j2,k2,l2,iLat) - . adv_fe(i1-1,j1,k1,l1,i2-1,j2,k2,l2,iLat)) . /2. . + arg_2(i2,j2,k2,l2) * . ( adv_vet(i1,j1,k1,l1,iLat) . - adv_vet(i1-1,j1,k1,l1,iLat) ) ) . /dxt(iLon)/cst*sec_per_month ENDIF iLon = iLon + 1 i1 = i1 + arg_incr(X_AXIS,ARG1) i2 = i2 + arg_incr(X_AXIS,ARG2) ENDDO iLat = iLat + 1 j1 = j1 + arg_incr(Y_AXIS,ARG1) j2 = j2 + arg_incr(Y_AXIS,ARG2) ENDDO k1 = k1 + arg_incr(Z_AXIS,ARG1) k2 = k2 + arg_incr(Z_AXIS,ARG2) ENDDO l1 = l1 + arg_incr(T_AXIS,ARG1) l2 = l2 + arg_incr(T_AXIS,ARG2) ENDDO END