function read_arr2d, filename, varname, t1, t2
;; function that read input file and return 2d array with monthly timecounter 
nyear = (t2-t1+1)/12
arr2d = ncdf_lec(filename, VAR=varname)
arr2d = arr2d[t1:t2]
arr2d = reform(arr2d,12,nyear) ; put in 2D array
arr2d = total(arr2d,2)/nyear ; total over 2th dimension (i.e.years)

return, arr2d
end 

;
;
pro std_ts_ICE_FRAM, masknp, s_iodir_data,  POSTSCRIPT = postscript, _extra = ex

  compile_opt idl2, strictarrsubs
  
@common
@std_common

; get exp1 info
  vICE1     = getenv('VAR1_ICE')     &   prefix = getenv('V1ICE_PREF')  &   suffix = getenv('V1ICE_SUFF')
  v1_Ithick = getenv('VAR1_Ithick')  &   prefix = getenv('V1It_PREF')   &   suffix = getenv('V1It_SUFF')
  v1_IV     = getenv('VAR1_IvelV')   &   prefix = getenv('V1IvV_PREF')  &   suffix = getenv('V1IvV_SUFF')
; get exp2 info
  vICE2     = getenv('VAR2_ICE')     &   prefix2 = getenv('V2ICE_PREF')   &   suffix2 = getenv('V2ICE_SUFF')
  v2_Ithick = getenv('VAR2_Ithick')  &   prefix2 = getenv('V2It_PREF')    &   suffix2 = getenv('V2It_SUFF')
  v2_IV     = getenv('VAR2_IvelV')   &   prefix = getenv('V2IvV_PREF')    &   suffix = getenv('V2IvV_SUFF')

  cdti3 = string(cnt, format = '(i3.3)')
  print, cdti3 + ') ' + blabla
  filename = cdti3 + '_ts_ICE_FRAM_'+prefix
  if prefix NE prefix2 then filename = filename + '_'+prefix2
  if KEYWORD_SET(postscript) then openps, filename+'.ps', portrait = 1
;
  d1_d2 = '('+strtrim(date1, 1)+' - '+strtrim(date2, 1)+')'
;
  iodir = std_iodir_data
  ; ICE Area(=Surface) in FRAM Strait
  ;; FRAM Strait points, computed with ncview meshmask for ORCA2 grid (133-1434-135-136, 137)
  indx0 = 133 
  indx0_last = 136
  indy0 = 137
  indy0_last = 137
  ;; ORI domdef, 133, 137, 136, 136, /xindex, /yindex,/memeindices
  indx1= (indx0 - ixminmesh + key_shift)mod(jpi)
  indx2= (indx0_last - ixminmesh + key_shift)mod(jpi)
  indy1= indy0 - iyminmesh
  indy2= indy1 
 ;
  domdef, indx1, indx2, indy1, indy2, /xindex, /yindex,/memeindices
  ICE = rseries_ncdf(vICE1, date1, date2, prefix, suffix, FIRSTONLY = 1 - allrec, /nostruct)
  ICE_thick = rseries_ncdf(v1_Ithick, date1, date2, prefix, suffix, FIRSTONLY = 1 - allrec, /nostruct)
 ; domdef for V-Point in j-1
 ; REALLY NOT NECESSARY, BECAUSE FLUX CAN BE COMPUTED IN J POINT, is the same
  domdef, indx1, indx2, indy1-1, indy2-1, /xindex, /yindex,/memeindices
  VN = rseries_ncdf(v1_IV, date1, date2, prefix, suffix, FIRSTONLY = 1 - allrec,/nostuct) ;!! warning positive northward

  ;; Area export
  ICE_area_export = (-1) * ICE * VN.arr * ((e1v[firstxv:lastxv, firstyv:lastyv])[*]#replicate(1., jpt))
  ICE_area_export = total(reform(ICE_area_export),1) ; in m2/s -> need to change the unit?

  ;; Volume export
  ICE_vol_export = (-1) * ICE * ICE_thick * VN.arr * ((e1v[firstxv:lastxv, firstyv:lastyv])[*]#replicate(1., jpt))
  ICE_vol_export = total(reform(ICE_vol_export),1) ;! in m3/s -> need to change the unit?

  ;   needed for seasonal cycle :
  if jpt mod 12 ne 0 then stop
  nyr=jpt/12.
  ;; AREA
  ICE_area_export = reform(ICE_area_export, 12, nyr)
  ICE_area_export = total(ICE_area_export,2)/nyr
  ; ICE_area_export = {arr:ICE_area_export * 1.e-12 * 86400 * 365 , unit : '10^6 Km^2/year'}  ; annual mean
  ICE_area_export = {arr:ICE_area_export * 1.e-12 * 86400 * 30 , unit : '10^6 Km^2/month'}    ; monthly mean
  
  ;
  ICE_vol_export = reform(ICE_vol_export, 12, nyr)
  ICE_vol_export = total(ICE_vol_export,2)/nyr
  ; ICE_vol_export = {arr:ICE_vol_export * 1.e-12 * 86400 * 365 , unit : '10^3 Km^3/year'}      ; annual mean
  ICE_vol_export = {arr:ICE_vol_export * 1.e-12 * 86400 * 30 , unit : '10^3 Km^3/month'}      ; monthly mean

  ;
  ;title = 'Northern Hemisphere'+'!C'+prefix+' '+d1_d2+'!C'+'Global Annual Mean Ice Volume (Black SOLID simulation)'
  title = 'Fram Strait Areal Export'+'!C'+prefix+' '+d1_d2
  jpt=12
  time=julday(1,15,1900)+30*lindgen(12)
  ;; pltt, ICE_area_export, 't', 0., 15., 19000101, 19001231, /REMPLI, /PORTRAIT,MIN = 0., MAX = .5 $
  pltt, ICE_area_export, 't', 0., 15., /REMPLI, /PORTRAIT,MIN = 0., MAX = .5 $
  ;;      , small = [1, 2, 1], YTITLE = varunit, TITLE = title, _extra = ex
        , small = [1, 2, 1],YTITLE = '10^6 Km^2/month',  TITLE = title, _extra = ex    
  ;
  ;title ='Southern Hemisphere' +'!C'+prefix+' '+d1_d2+' - '+'!C'+'Global Annual Mean Ice Volume (Black SOLID simulation)'
  title = 'Fram Strait Volume Export'+'!C'+prefix+' '+d1_d2
  ;; pltt, ICE_vol_export, 't', 0., 15.,19000101 ,19001231 , /REMPLI, /NOERASE , MIN = 0., MAX = .5 $
  pltt, ICE_vol_export, 't', 0., 15., /REMPLI, /NOERASE , MIN = 0., MAX = .5 $
  ;;       , small = [1, 2, 2], YTITLE = varunit, TITLE = title, _extra = ex
       , small = [1, 2, 2], YTITLE = '10^3 Km^3/month', TITLE = title, _extra = ex
  ;
  htmltxt = [ htmltxt, '<hr>'+blabla, '<br><img width="80%" src='+filename+'.png  />  ' ]
  if KEYWORD_SET(postscript) then closeps

  if prefix NE prefix2 then BEGIN

    d1_d2_2 = '('+strtrim(date1_2, 1)+' - '+strtrim(date2_2, 1)+')'
    tsave = time
    domdef, indx1, indx2, indy1, indy2, /xindex, /yindex,/memeindices
    ICE_2= rseries_ncdf(vICE2, date1_2, date2_2, prefix2, suffix2, FIRSTONLY = 1 - allrec, /nostruct)
    ICE_thick_2 = rseries_ncdf(v2_Ithick, date1_2, date2_2, prefix2, suffix2, FIRSTONLY = 1 - allrec, /nostruct)
    ; domdef for V-Point in j-1
    ; REALLY NOT NECESSARY, BECAUSE FLUX CAN BE COMPUTED IN J POINT, is the same
    domdef, indx1, indx2, indy1-1, indy2-1, /xindex, /yindex,/memeindices
    VN_2 = rseries_ncdf(v2_IV, date1_2, date2_2, prefix2, suffix2, FIRSTONLY = 1 - allrec,/nostuct) ;!! warning positive northward

    ;; Area export
    ICE_area_export_2 = (-1) * ICE_2 * VN_2.arr * ((e1v[firstxv:lastxv, firstyv:lastyv])[*]#replicate(1., jpt))
    ICE_area_export_2 = total(reform(ICE_area_export_2),1) ; in m2/s -> need to change the unit?

    ;; Volume export
    ICE_vol_export_2 = (-1) * ICE_2 * ICE_thick_2 * VN_2.arr * ((e1v[firstxv:lastxv, firstyv:lastyv])[*]#replicate(1., jpt))
    ICE_vol_export_2 = total(reform(ICE_vol_export_2),1) ;! in m3/s -> need to change the unit?

    ;   needed for seasonal cycle :
    if jpt mod 12 ne 0 then stop
    nyr=jpt/12.
    ;; AREA
    ICE_area_export_2 = reform(ICE_area_export_2, 12, nyr)
    ICE_area_export_2 = total(ICE_area_export_2,2)/nyr
    ; ICE_area_export_2 = {arr:ICE_area_export_2 * 1.e-12 * 86400 * 365 , unit : '10^6 Km^2/year'}   ; annual mean
    ICE_area_export_2 = {arr:ICE_area_export_2 * 1.e-12 * 86400 * 30 , unit : '10^6 Km^2/month'}     ; monthly mean
    ;
    ICE_vol_export_2 = reform(ICE_vol_export_2, 12, nyr)
    ICE_vol_export_2 = total(ICE_vol_export_2,2)/nyr
    ; ICE_vol_export_2 = {arr:ICE_vol_export_2 * 1.e-12 * 86400 * 365 , unit : '10^3 Km^3/year'}     ; annual mean
    ICE_vol_export_2 = {arr:ICE_vol_export_2 * 1.e-12 * 86400 * 30 , unit : '10^3 Km^3/month'}       ; monthly mean
    ;
    ;
    if KEYWORD_SET(postscript) then openps, filename+'_2.ps', portrait = 1

    title = 'Fram Strait Areal Export'+'!C'+prefix+' (BLACK) - '+prefix2+' (RED) '+d1_d2_2
    jpt=12
    time=julday(1,15,1900)+30*lindgen(12)
    ;; pltt, ICE_area_export.arr, 't', 0., 15., 19000101, 19001231, /REMPLI, /PORTRAIT, MIN = 0., MAX = .5, window = 2 $
    pltt, ICE_area_export, 't', 0., 15., /REMPLI, /PORTRAIT, MIN = 0., MAX = .5, window = 2 $
    ;;    , small = [1, 2, 1], YTITLE = varunit, TITLE = title, _extra = ex
        , small = [1, 2, 1], YTITLE = '10^6 Km^2/month',  TITLE = title, _extra = ex    
    ;; pltt, ICE_area_export_2.arr ,'t', 0., 15., 19000101, 19001231, /REMPLI, /PORTRAIT $
    pltt, ICE_area_export_2 ,'t', 0., 15., /REMPLI, /PORTRAIT $
    ;;    , /ov1d, COLOR = 250, small = [1, 2, 1], YTITLE = varunit,  TITLE = title, _extra = ex
        , /ov1d, COLOR = 250, small = [1, 2, 1],YTITLE = '10^6 Km^2/month',  TITLE = title, _extra = ex
    ;
    title = 'Fram Strait Volume Export'+'!C'+prefix+' (BLACK) - '+prefix2+' (RED) '+d1_d2_2
    ;; pltt, ICE_vol_export.arr, 't', 0., 15.,19000101 ,19001231 , /REMPLI, /NOERASE , MIN = 0., MAX = .5 $
    pltt, ICE_vol_export, 't', 0., 15., /REMPLI, /NOERASE , MIN = 0., MAX = .5 $
    ;;    , small = [1, 2, 2], YTITLE = varunit, TITLE = title, _extra = ex
        , small = [1, 2, 2], YTITLE = '10^3 Km^3/month', TITLE = title, _extra = ex
    ;; pltt, ICE_vol_export_2.arr, 't', 0., 15.,19000101 ,19001231 , /REMPLI, /NOERASE  $
    pltt, ICE_vol_export_2, 't', 0., 15.,  /REMPLI, /NOERASE  $
    ;;    , /ov1d, COLOR = 250, small = [1, 2, 2], YTITLE = varunit, TITLE = title, _extra = ex
        , /ov1d, COLOR = 250, small = [1, 2, 2], YTITLE = '10^3 Km^3/month', TITLE = title, _extra = ex
    ;

    htmltxt = [ htmltxt, '<hr>'+blabla, '<br><img width="80%" src='+filename+'_2.png  />  ' ]
    if KEYWORD_SET(postscript) then closeps

  endif

  domdef
  

  return
end