source: trunk/LMDZ.MARS/libf/phymars/nlthermeq.F @ 2800

Last change on this file since 2800 was 2584, checked in by romain.vande, 3 years ago

Second stage of implementation of Open_MP in the physic.
Run with callrad=.true.

File size: 1.8 KB
Line 
1      subroutine nlthermeq(ngrid, nlayer, pplev, pplay)
2c
3c  Compute the number of layers nlaylte (stored in module yomlw_h)
4c  over which local thermodynamic equilibrium
5c  radiation scheme should be run to be sure of covering at least to a
6c  height greater than (pressure lower than) p=pminte, set in nlteparams.h.
7c  The maximum layer needed is found for the worst possible case.
8c  Stephen Lewis 6/2000
9c  Modified Y. Wanherdrick/ F. Forget 09/2000
10      use yomlw_h, only: nlaylte
11      implicit none
12#include "nlteparams.h"
13#include "callkeys.h"
14
15c
16c     Input:
17      integer ngrid, nlayer
18      real pplev(ngrid, nlayer+1)
19      real pplay(ngrid, nlayer)
20c
21c     Local:
22      integer igpmax, ismax
23      logical firstcall
24
25!$OMP THREADPRIVATE(firstcall,igpmax)
26
27      data firstcall /.true./
28      save firstcall, igpmax
29c
30      if(firstcall) then
31c     Find the location of maximum surface pressure.
32c     Location won't vary much so only do it at the start;
33c     with no topography location would vary, but this is only
34c     needed for an estimate so any point would do in that case.
35!!    AS: can be problem w MESOSCALE nesting (ignored for the moment)
36         igpmax = ismax(ngrid, pplev, 1)
37         write(*, 10) ptrans
38         write(*, 20) zw
39         write(*, 30) pminte
40         firstcall = .false.
41      endif
42c
43      IF(callnlte) then
44c       Find first layer above pminte at this location
45        do nlaylte = nlayer, 1, -1
46           if (pplay(igpmax, nlaylte).gt.pminte)  go to 100
47        enddo
48      ELSE
49        nlaylte=nlayer
50      END IF
51  100 write(*,*) 'LTE rad. calculations up to layer ',  nlaylte
52c
53      return
54c
55   10 format(' nlthermeq: transition to NLTE centred at ',f6.2,'Pa')
56   20 format('               half-width (scale heights) ',f6.2)
57   30 format('          suggested LTE coverage at least ',f6.2,'Pa')
58      end
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