pkg/ecco/cost_readers.F

C $Header: /u/gcmpack/MITgcm/pkg/ecco/cost_readers.F,v 1.16 2014/10/18 18:15:44 gforget Exp $
C $Name:  $

#include "ECCO_OPTIONS.h"


      subroutine cost_readers( irec, mythid )

c     ==================================================================
c     SUBROUTINE cost_readers
c     ==================================================================
c
c     o Read a given record of the ERS SSH data.
c
c     started: Christian Eckert eckert@mit.edu 25-May-1999
c
c     changed: Christian Eckert eckert@mit.edu 25-Feb-2000
c
c              - Restructured the code in order to create a package
c                for the MITgcmUV.
c
c     ==================================================================
c     SUBROUTINE cost_readers
c     ==================================================================

      implicit none

c     == global variables ==

#ifdef ALLOW_SSH_ERSANOM_COST_CONTRIBUTION
#include "EEPARAMS.h"
#include "SIZE.h"
#include "PARAMS.h"
#include "GRID.h"

#include "cal.h"
#include "ecco_cost.h"
#endif

c     == routine arguments ==

      integer irec
      integer mythid

#ifdef ALLOW_SSH_ERSANOM_COST_CONTRIBUTION
c     == local variables ==

      integer bi,bj
      integer i,j,k
      integer itlo,ithi
      integer jtlo,jthi
      integer jmin,jmax
      integer imin,imax
      integer sshrec
      integer difftime(4)
      integer tempDate_1
      integer middate(4)
      integer noffset
      _RL diffsecs
      _RL spval
      _RL factor

cnew(
      integer  il
      _RL daytime
      integer dayiter
      integer daydate(4)
      integer yday, ymod
      integer md, dd, sd, ld, wd
      character*(80) fnametmp
      logical exst
cnew)

c     == external functions ==

      integer  ilnblnk
      external ilnblnk

c     == end of interface ==

      jtlo = mybylo(mythid)
      jthi = mybyhi(mythid)
      itlo = mybxlo(mythid)
      ithi = mybxhi(mythid)
      jmin = 1
      jmax = sny
      imin = 1
      imax = snx

      factor = 0.01 _d 0
      spval = -9990. _d 0

cnew(
      daytime = FLOAT(secondsperday*(irec-1)) + modelstart
      dayiter = hoursperday*(irec-1)+modeliter0
      call cal_getdate( dayiter, daytime, daydate, mythid )
      call cal_convdate( daydate,yday,md,dd,sd,ld,wd,mythid )
      ymod = ersstartdate(1)/10000

      if ( ymod .GE. yday ) then
         call cal_FullDate( ersstartdate(1), 0, middate, mythid)
      else
         tempDate_1 = yday*10000+100+1
         call cal_FullDate( tempDate_1, 0, middate, mythid)
      endif

      call cal_TimePassed( middate, daydate, difftime, mythid )
      call cal_ToSeconds( difftime, diffsecs, mythid )
c      sshrec = floor(diffsecs/ersperiod) + 1
      sshrec = int(diffsecs/ersperiod) + 1

      il=ilnblnk(ersfile)
      write(fnametmp(1:80),'(2a,i4)')
     &     ersfile(1:il), '_', yday
      inquire( file=fnametmp, exist=exst )
      if (.NOT. exst) then
         write(fnametmp(1:80),'(a)') ersfile(1:il)
         call cal_TimePassed(ersstartdate,daydate,difftime,mythid)
         call cal_ToSeconds( difftime, diffsecs, mythid )
c         sshrec = floor(diffsecs/ersperiod) + 1
         sshrec = int(diffsecs/ersperiod) + 1
         inquire( file=fnametmp, exist=exst )
      endif

cnew)

c read data:
      if ( (sshrec .GT. 0).AND.(exst) ) then
      call mdsreadfield( fnametmp, cost_iprec, cost_yftype, 1, ersobs,
     &                   sshrec, mythid )
      else
       do bj = jtlo,jthi
        do bi = itlo,ithi
         do j = jmin,jmax
          do i = imin,imax
            ersobs(i,j,bi,bj) = spval
          enddo
         enddo
        enddo
       enddo
      endif

      do bj = jtlo,jthi
        do bi = itlo,ithi
          k = 1
          do j = jmin,jmax
            do i = imin,imax
              if (_hFacC(i,j,k,bi,bj) .eq. 0.) then
                 ersmask(i,j,bi,bj) = 0. _d 0
              else
                 ersmask(i,j,bi,bj) = 1. _d 0
              endif
              if (ersobs(i,j,bi,bj) .le. spval) then
                ersmask(i,j,bi,bj) = 0. _d 0
              endif
              if (abs(ersobs(i,j,bi,bj)) .lt. 1.d-8 ) then
                 ersmask(i,j,bi,bj) = 0. _d 0
              endif

#ifndef ALLOW_SHALLOW_ALTIMETRY
              if ( R_low(i,j,bi,bj) .GT. -200. ) then
                ersmask(i,j,bi,bj) = 0. _d 0
              endif
#endif
#ifndef ALLOW_HIGHLAT_ALTIMETRY
              if ( abs(YC(i,j,bi,bj)) .GT. 66. ) then
                ersmask(i,j,bi,bj) = 0. _d 0
              endif 
#endif

              ersmask(i,j,bi,bj) = ersmask(i,j,bi,bj)*frame(i,j)
              ersobs(i,j,bi,bj)  = ersmask(i,j,bi,bj)*factor*
     &             ( ersobs(i,j,bi,bj) -
     &               ( ersintercept + ersslope*irec*hoursperday ) )
            enddo
          enddo
        enddo
      enddo

#endif

      return
      end
1	gforget	1.17	C $Header: /u/gcmpack/MITgcm/pkg/ecco/cost_readers.F,v 1.16 2014/10/18 18:15:44 gforget Exp $
2	jmc	1.7	C $Name: $
3	heimbach	1.1
4	jmc	1.13	#include "ECCO_OPTIONS.h"
5	heimbach	1.1
6
7	heimbach	1.4	subroutine cost_readers( irec, mythid )
8	heimbach	1.1
9			c ==================================================================
10	heimbach	1.4	c SUBROUTINE cost_readers
11	heimbach	1.1	c ==================================================================
12			c
13			c o Read a given record of the ERS SSH data.
14			c
15			c started: Christian Eckert eckert@mit.edu 25-May-1999
16			c
17			c changed: Christian Eckert eckert@mit.edu 25-Feb-2000
18			c
19			c - Restructured the code in order to create a package
20			c for the MITgcmUV.
21			c
22			c ==================================================================
23	heimbach	1.4	c SUBROUTINE cost_readers
24	heimbach	1.1	c ==================================================================
25
26			implicit none
27
28			c == global variables ==
29
30	gforget	1.16	#ifdef ALLOW_SSH_ERSANOM_COST_CONTRIBUTION
31	heimbach	1.1	#include "EEPARAMS.h"
32			#include "SIZE.h"
33			#include "PARAMS.h"
34			#include "GRID.h"
35
36			#include "cal.h"
37			#include "ecco_cost.h"
38	gforget	1.16	#endif
39	heimbach	1.1
40			c == routine arguments ==
41
42			integer irec
43			integer mythid
44
45			#ifdef ALLOW_SSH_ERSANOM_COST_CONTRIBUTION
46			c == local variables ==
47
48			integer bi,bj
49			integer i,j,k
50			integer itlo,ithi
51			integer jtlo,jthi
52			integer jmin,jmax
53			integer imin,imax
54			integer sshrec
55			integer difftime(4)
56	jmc	1.12	integer tempDate_1
57	heimbach	1.1	integer middate(4)
58			integer noffset
59			_RL diffsecs
60			_RL spval
61			_RL factor
62
63	heimbach	1.2	cnew(
64			integer il
65			_RL daytime
66			integer dayiter
67			integer daydate(4)
68			integer yday, ymod
69			integer md, dd, sd, ld, wd
70			character*(80) fnametmp
71			logical exst
72			cnew)
73
74			c == external functions ==
75	jmc	1.7
76	heimbach	1.2	integer ilnblnk
77			external ilnblnk
78
79	heimbach	1.1	c == end of interface ==
80
81			jtlo = mybylo(mythid)
82			jthi = mybyhi(mythid)
83			itlo = mybxlo(mythid)
84			ithi = mybxhi(mythid)
85			jmin = 1
86			jmax = sny
87			imin = 1
88			imax = snx
89
90	jmc	1.9	factor = 0.01 _d 0
91			spval = -9990. _d 0
92	heimbach	1.1
93	heimbach	1.2	cnew(
94	gforget	1.6	daytime = FLOAT(secondsperday*(irec-1)) + modelstart
95			dayiter = hoursperday*(irec-1)+modeliter0
96	heimbach	1.2	call cal_getdate( dayiter, daytime, daydate, mythid )
97			call cal_convdate( daydate,yday,md,dd,sd,ld,wd,mythid )
98			ymod = ersstartdate(1)/10000
99
100	gforget	1.11	if ( ymod .GE. yday ) then
101			call cal_FullDate( ersstartdate(1), 0, middate, mythid)
102	heimbach	1.2	else
103	jmc	1.12	tempDate_1 = yday*10000+100+1
104			call cal_FullDate( tempDate_1, 0, middate, mythid)
105	heimbach	1.2	endif
106	heimbach	1.1
107	heimbach	1.2	call cal_TimePassed( middate, daydate, difftime, mythid )
108	heimbach	1.1	call cal_ToSeconds( difftime, diffsecs, mythid )
109	gforget	1.11	c sshrec = floor(diffsecs/ersperiod) + 1
110	heimbach	1.2	sshrec = int(diffsecs/ersperiod) + 1
111	heimbach	1.1
112	heimbach	1.2	il=ilnblnk(ersfile)
113			write(fnametmp(1:80),'(2a,i4)')
114			& ersfile(1:il), '_', yday
115			inquire( file=fnametmp, exist=exst )
116			if (.NOT. exst) then
117			write(fnametmp(1:80),'(a)') ersfile(1:il)
118	gforget	1.11	call cal_TimePassed(ersstartdate,daydate,difftime,mythid)
119			call cal_ToSeconds( difftime, diffsecs, mythid )
120			c sshrec = floor(diffsecs/ersperiod) + 1
121			sshrec = int(diffsecs/ersperiod) + 1
122			inquire( file=fnametmp, exist=exst )
123	heimbach	1.1	endif
124	jmc	1.7
125	heimbach	1.2	cnew)
126
127	gforget	1.11	c read data:
128			if ( (sshrec .GT. 0).AND.(exst) ) then
129	jmc	1.7	call mdsreadfield( fnametmp, cost_iprec, cost_yftype, 1, ersobs,
130	heimbach	1.2	& sshrec, mythid )
131	gforget	1.11	else
132			do bj = jtlo,jthi
133			do bi = itlo,ithi
134			do j = jmin,jmax
135			do i = imin,imax
136			ersobs(i,j,bi,bj) = spval
137			enddo
138			enddo
139			enddo
140			enddo
141			endif
142	heimbach	1.2
143	heimbach	1.1	do bj = jtlo,jthi
144			do bi = itlo,ithi
145			k = 1
146			do j = jmin,jmax
147			do i = imin,imax
148			if (_hFacC(i,j,k,bi,bj) .eq. 0.) then
149			ersmask(i,j,bi,bj) = 0. _d 0
150			else
151			ersmask(i,j,bi,bj) = 1. _d 0
152			endif
153			if (ersobs(i,j,bi,bj) .le. spval) then
154			ersmask(i,j,bi,bj) = 0. _d 0
155			endif
156			if (abs(ersobs(i,j,bi,bj)) .lt. 1.d-8 ) then
157			ersmask(i,j,bi,bj) = 0. _d 0
158			endif
159
160	gforget	1.14	#ifndef ALLOW_SHALLOW_ALTIMETRY
161	heimbach	1.8	if ( R_low(i,j,bi,bj) .GT. -200. ) then
162	heimbach	1.1	ersmask(i,j,bi,bj) = 0. _d 0
163			endif
164	gforget	1.14	#endif
165	gforget	1.15	#ifndef ALLOW_HIGHLAT_ALTIMETRY
166			if ( abs(YC(i,j,bi,bj)) .GT. 66. ) then
167			ersmask(i,j,bi,bj) = 0. _d 0
168			endif
169			#endif
170	heimbach	1.1
171			ersmask(i,j,bi,bj) = ersmask(i,j,bi,bj)*frame(i,j)
172	heimbach	1.5	ersobs(i,j,bi,bj) = ersmask(i,j,bi,bj)factor
173	jmc	1.7	& ( ersobs(i,j,bi,bj) -
174	heimbach	1.5	& ( ersintercept + ersslopeirechoursperday ) )
175	heimbach	1.1	enddo
176			enddo
177			enddo
178			enddo
179
180			#endif
181
182			return
183			end