| 1 | MODULE p4zint |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p4zint *** |
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| 4 | !! TOP : PISCES interpolation and computation of various accessory fields |
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| 5 | !!====================================================================== |
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| 6 | !! History : 1.0 ! 2004-03 (O. Aumont) Original code |
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| 7 | !! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90 |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | !! p4z_int : interpolation and computation of various accessory fields |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | USE oce_trc ! shared variables between ocean and passive tracers |
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| 12 | USE trc ! passive tracers common variables |
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| 13 | USE sms_pisces ! PISCES Source Minus Sink variables |
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| 14 | |
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| 15 | IMPLICIT NONE |
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| 16 | PRIVATE |
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| 17 | |
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| 18 | PUBLIC p4z_int |
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| 19 | REAL(wp) :: xksilim = 16.5e-6_wp ! Half-saturation constant for the Si half-saturation constant computation |
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| 20 | |
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| 21 | !!---------------------------------------------------------------------- |
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| 22 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
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| 23 | !! $Id$ |
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| 24 | !! Software governed by the CeCILL license (see ./LICENSE) |
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| 25 | !!---------------------------------------------------------------------- |
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| 26 | CONTAINS |
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| 27 | |
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| 28 | SUBROUTINE p4z_int( kt, Kbb, Kmm ) |
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| 29 | !!--------------------------------------------------------------------- |
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| 30 | !! *** ROUTINE p4z_int *** |
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| 31 | !! |
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| 32 | !! ** Purpose : interpolation and computation of various accessory fields |
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| 33 | !! |
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| 34 | !!--------------------------------------------------------------------- |
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| 35 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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| 36 | INTEGER, INTENT( in ) :: Kbb, Kmm ! time level indices |
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| 37 | ! |
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| 38 | INTEGER :: ji, jj ! dummy loop indices |
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| 39 | REAL(wp) :: zvar ! local variable |
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| 40 | !!--------------------------------------------------------------------- |
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| 41 | ! |
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| 42 | IF( ln_timing ) CALL timing_start('p4z_int') |
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| 43 | ! |
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| 44 | ! Computation of phyto and zoo metabolic rate |
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| 45 | ! ------------------------------------------- |
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| 46 | tgfunc (:,:,:) = EXP( 0.063913 * ts(:,:,:,jp_tem,Kmm) ) |
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| 47 | tgfunc2(:,:,:) = EXP( 0.07608 * ts(:,:,:,jp_tem,Kmm) ) |
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| 48 | |
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| 49 | ! Computation of the silicon dependant half saturation constant for silica uptake |
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| 50 | ! --------------------------------------------------- |
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| 51 | DO ji = 1, jpi |
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| 52 | DO jj = 1, jpj |
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| 53 | zvar = tr(ji,jj,1,jpsil,Kbb) * tr(ji,jj,1,jpsil,Kbb) |
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| 54 | xksimax(ji,jj) = MAX( xksimax(ji,jj), ( 1.+ 7.* zvar / ( xksilim * xksilim + zvar ) ) * 1e-6 ) |
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| 55 | END DO |
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| 56 | END DO |
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| 57 | ! |
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| 58 | IF( nday_year == nyear_len(1) ) THEN |
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| 59 | xksi (:,:) = xksimax(:,:) |
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| 60 | xksimax(:,:) = 0._wp |
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| 61 | ENDIF |
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| 62 | ! |
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| 63 | IF( ln_timing ) CALL timing_stop('p4z_int') |
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| 64 | ! |
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| 65 | END SUBROUTINE p4z_int |
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| 66 | |
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| 67 | !!====================================================================== |
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| 68 | END MODULE p4zint |
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