| [38] | 1 | subroutine nlthermeq(ngrid, nlayer, pplev, pplay) |
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| 2 | c |
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| [1047] | 3 | c Compute the number of layers nlaylte (stored in module yomlw_h) |
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| [38] | 4 | c over which local thermodynamic equilibrium |
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| 5 | c radiation scheme should be run to be sure of covering at least to a |
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| 6 | c height greater than (pressure lower than) p=pminte, set in nlteparams.h. |
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| 7 | c The maximum layer needed is found for the worst possible case. |
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| 8 | c Stephen Lewis 6/2000 |
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| 9 | c Modified Y. Wanherdrick/ F. Forget 09/2000 |
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| [1047] | 10 | use yomlw_h, only: nlaylte |
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| [38] | 11 | implicit none |
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| 12 | #include "nlteparams.h" |
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| 13 | #include "callkeys.h" |
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| 14 | |
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| 15 | c |
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| 16 | c Input: |
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| 17 | integer ngrid, nlayer |
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| 18 | real pplev(ngrid, nlayer+1) |
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| 19 | real pplay(ngrid, nlayer) |
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| 20 | c |
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| 21 | c Local: |
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| 22 | integer igpmax, ismax |
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| 23 | logical firstcall |
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| 24 | data firstcall /.true./ |
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| 25 | save firstcall, igpmax |
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| 26 | c |
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| 27 | if(firstcall) then |
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| 28 | c Find the location of maximum surface pressure. |
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| 29 | c Location won't vary much so only do it at the start; |
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| 30 | c with no topography location would vary, but this is only |
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| 31 | c needed for an estimate so any point would do in that case. |
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| [1775] | 32 | !! AS: can be problem w MESOSCALE nesting (ignored for the moment) |
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| [38] | 33 | igpmax = ismax(ngrid, pplev, 1) |
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| 34 | write(*, 10) ptrans |
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| 35 | write(*, 20) zw |
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| 36 | write(*, 30) pminte |
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| 37 | firstcall = .false. |
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| 38 | endif |
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| 39 | c |
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| 40 | IF(callnlte) then |
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| 41 | c Find first layer above pminte at this location |
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| 42 | do nlaylte = nlayer, 1, -1 |
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| 43 | if (pplay(igpmax, nlaylte).gt.pminte) go to 100 |
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| 44 | enddo |
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| 45 | ELSE |
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| 46 | nlaylte=nlayer |
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| 47 | END IF |
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| 48 | 100 write(*,*) 'LTE rad. calculations up to layer ', nlaylte |
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| 49 | c |
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| 50 | return |
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| 51 | c |
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| 52 | 10 format(' nlthermeq: transition to NLTE centred at ',f6.2,'Pa') |
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| 53 | 20 format(' half-width (scale heights) ',f6.2) |
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| 54 | 30 format(' suggested LTE coverage at least ',f6.2,'Pa') |
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| 55 | end |
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