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; ***********************************************
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; xy_4.ncl
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; ***********************************************
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load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
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load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
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;************************************************
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begin
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;************************************************
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; read in data: observed
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;************************************************
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;g = addfile ("data.81.nc","r")
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g = addfile ("data.933.nc","r")
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a = g->TNPP_C
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;a = g->ANPP_C
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;a = g->BNPP_C
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xo = g->LONG_DD
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yo = g->LAT_DD
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a@long_name = "TNPP_C (gC/m2/year)"
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;a@long_name = "ANPP_C (gC/m2/year)"
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;a@long_name = "BNPP_C (gC/m2/year)"
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;print (xo)
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nx = dimsizes(xo)
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do i= 0,nx-1
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if (xo(i) .lt. 0.) then
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xo(i) = xo(i)+ 360.
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end if
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end do
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;print (xo)
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;************************************************
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; read in data: model
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;************************************************
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f = addfile ("i01.03cn_1545-1569_ANN_climo.nc","r")
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;f = addfile ("i01.04casa_1605-1629_ANN_climo.nc","r")
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b = f->NPP
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;b = f->AGNPP
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;b = f->BGNPP
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xi = f->lon
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yi = f->lat
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sec_to_year = 86400.*365.
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bo = linint2_points(xi,yi,b,True,xo,yo,0) * sec_to_year
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;print (bo)
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bo@long_name = "NPP (gC/m2/year)"
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;bo@long_name = "AGNPP (gC/m2/year)"
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;bo@long_name = "BGNPP (gC/m2/year)"
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;************************************************
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; plotting parameters
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;************************************************
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;wks = gsn_open_wks ("ps","xy") ; open workstation
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wks = gsn_open_wks ("png","xy")
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res = True ; plot mods desired
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;res@tiMainString = "Model_i01.03cn vs Observed 81" ; add title
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res@tiMainString = "Model_i01.03cn vs Observed 933" ; add title
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;res@tiMainString = "Model_i01.04casa vs Observed 81" ; add title
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;res@tiMainString = "Model_i01.04casa vs Observed 933" ; add title
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res@xyMarkLineModes = "Markers" ; choose which have markers
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res@xyMarkers = 16 ; choose type of marker
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res@xyMarkerColor = "red" ; Marker color
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res@xyMarkerSizeF = 0.01 ; Marker size (default 0.01)
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res@tmLabelAutoStride = True ; nice tick mark labels
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plot = gsn_csm_xy (wks,a,bo,res) ; create plot
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;************************************************
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; now create our own markers using NhlNewMarker
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; available since ncl version 4.2.0.a030
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;************************************************
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; this example will create filled squares. You will have to play with
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; the numbers a but to get the size and shape you desire. On the
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; documentation page for NhlNewMarker, there is a table of values for
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; the current marker set, to give you an idea of where to start.
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; res@xyMarkerColor = "blue"
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; res@tiMainString = "Make your own marker"
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; res@xyMarkers = NhlNewMarker(wks, "^", 19, 0.0, 0.0, 1.3125, 1.5, 0.0)
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; plot = gsn_csm_xy (wks,a,bo,res)
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end
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