/[lmdze]/trunk/Sources/phylmd/Interface_surf/alboc_cd.f
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Contents of /trunk/Sources/phylmd/Interface_surf/alboc_cd.f

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Revision 154 - (show annotations)
Tue Jul 7 17:49:23 2015 UTC (8 years, 11 months ago) by guez
File size: 941 byte(s)
Removed argument dtphys of physiq. Use it directly from comconst in
physiq instead.

Donwgraded variables eignfnu, eignfnv of module inifgn_m to dummy
arguments of SUBROUTINE inifgn. They were not used elsewhere than in
the calling procedure inifilr. Renamed argument dv of inifgn to eignval_v.

Made alboc and alboc_cd independent of the size of arguments. Now we
can call them only at indices knindex in interfsurf_hq, where we need
them. Fixed a bug in alboc_cd: rmu0 was modified, and the
corresponding actual argument in interfsurf_hq is an intent(in)
argument of interfsurf_hq.

Variables of size knon instead of klon in interfsur_lim and interfsurf_hq.

Removed argument alb_new of interfsurf_hq because it was the same than
alblw. Simplified test on cycle_diurne, following LMDZ.

Moved tests on nbapp_rad from physiq to read_clesphys2. No need for
separate counter itaprad, we can use itap. Define lmt_pas and radpas
from integer input parameters instead of real-type computed values.

1 module alboc_cd_m
2
3 IMPLICIT NONE
4
5 contains
6
7 SUBROUTINE alboc_cd(rmu0, albedo)
8
9 ! From LMDZ4/libf/phylmd/albedo.F, version 1.2 2005/02/07 15:00:52
10
11 ! Author: Z. X. Li (LMD/CNRS)
12 ! Date: 1994/06/24
13
14 ! Calculer l'alb\'edo sur l'oc\'ean en fonction de l'angle
15 ! z\'enithal moyen. Formule due \`a Larson and Barkstrom,
16 ! Proceedings of the symposium on radiation in the atmosphere,
17 ! 19-28 August 1976, science Press, 1977, pages 451-453, ou
18 ! th\`ese de 3\`eme cycle de Sylvie Joussaume.
19
20 REAL, intent(in):: rmu0(:) ! cosinus de l'angle solaire z\'enithal
21 real, intent(out):: albedo(:) ! alb\'edo de surface de l'oc\'ean
22
23 ! Local:
24 REAL, PARAMETER:: fmagic = 1. ! facteur magique pour r\'egler l'alb\'edo
25
26 !----------------------------------------------------------
27
28 albedo = max(min(fmagic * 0.058 / (max(rmu0, 0.) + 0.3), 0.6), 0.04)
29
30 END SUBROUTINE alboc_cd
31
32 end module alboc_cd_m

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