| 1 | MODULE albedooce |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE albedooce *** |
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| 4 | !! Ocean forcing: bulk thermohaline forcing of the ocean |
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| 5 | !!===================================================================== |
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| 6 | !! History : |
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| 7 | !! NEMO 4.0 ! 2017-07 (C. Rousset) Split ocean and ice albedos |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | !! albedo_oce : albedo for ocean (clear and overcast skies) |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | USE phycst ! physical constants |
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| 12 | USE in_out_manager ! I/O manager |
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| 13 | USE lib_mpp ! MPP library |
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| 14 | USE wrk_nemo ! work arrays |
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| 15 | USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) |
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| 16 | |
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| 17 | IMPLICIT NONE |
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| 18 | PRIVATE |
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| 19 | |
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| 20 | PUBLIC albedo_oce ! routine called by sbccpl |
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| 21 | |
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| 22 | !!---------------------------------------------------------------------- |
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| 23 | !! NEMO/OPA 4.0 , NEMO Consortium (2010) |
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| 24 | !! $Id: albedooce.F90 8268 2017-07-03 15:01:04Z clem $ |
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| 25 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 26 | !!---------------------------------------------------------------------- |
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| 27 | CONTAINS |
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| 28 | |
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| 29 | SUBROUTINE albedo_oce( pa_oce_os , pa_oce_cs ) |
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| 30 | !!---------------------------------------------------------------------- |
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| 31 | !! *** ROUTINE albedo_oce *** |
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| 32 | !! |
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| 33 | !! ** Purpose : Computation of the albedo of the ocean |
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| 34 | !!---------------------------------------------------------------------- |
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| 35 | REAL(wp), DIMENSION(:,:), INTENT(out) :: pa_oce_os ! albedo of ocean under overcast sky |
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| 36 | REAL(wp), DIMENSION(:,:), INTENT(out) :: pa_oce_cs ! albedo of ocean under clear sky |
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| 37 | !! |
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| 38 | REAL(wp) :: zcoef |
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| 39 | REAL(wp) :: rmue = 0.40 ! cosine of local solar altitude |
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| 40 | !!---------------------------------------------------------------------- |
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| 41 | ! |
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| 42 | zcoef = 0.05 / ( 1.1 * rmue**1.4 + 0.15 ) ! Parameterization of Briegled and Ramanathan, 1982 |
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| 43 | pa_oce_cs(:,:) = zcoef |
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| 44 | pa_oce_os(:,:) = 0.06 ! Parameterization of Kondratyev, 1969 and Payne, 1972 |
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| 45 | ! |
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| 46 | END SUBROUTINE albedo_oce |
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| 47 | |
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| 48 | !!====================================================================== |
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| 49 | END MODULE albedooce |
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