forrest@0
|
1 |
|
forrest@0
|
2 |
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
|
forrest@0
|
3 |
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
|
forrest@0
|
4 |
|
forrest@0
|
5 |
procedure pminmax(data:numeric,name:string)
|
forrest@0
|
6 |
begin
|
forrest@0
|
7 |
print ("min/max " + name + " = " + min(data) + "/" + max(data))
|
forrest@0
|
8 |
if(isatt(data,"units")) then
|
forrest@0
|
9 |
print (name + " units = " + data@units)
|
forrest@0
|
10 |
end if
|
forrest@0
|
11 |
end
|
forrest@0
|
12 |
|
forrest@0
|
13 |
;
|
forrest@0
|
14 |
; Main code.
|
forrest@0
|
15 |
;
|
forrest@0
|
16 |
begin
|
forrest@0
|
17 |
data_types = (/ "Obs", "Model" /)
|
forrest@0
|
18 |
data_names = (/ "data.81.nc", "i01.03cn_1545-1569_ANN_climo.nc" /)
|
forrest@0
|
19 |
; data_names = (/ "data.81.nc", "i01.04casa_1605-1629_ANN_climo.nc" /)
|
forrest@0
|
20 |
; filevar_names = (/ (/"PREC_ANN","TNPP_C"/), (/"RAIN","NPP"/) /)
|
forrest@0
|
21 |
filevar_names = (/ (/"PREC_ANN","ANPP_C"/), (/"RAIN","AGNPP"/) /)
|
forrest@0
|
22 |
ndata_types = dimsizes(data_types)
|
forrest@0
|
23 |
|
forrest@0
|
24 |
data_file_obs = addfile(data_names(0),"r") ; Open obs file
|
forrest@0
|
25 |
data_file_mod = addfile(data_names(1),"r") ; Open model file
|
forrest@0
|
26 |
|
forrest@0
|
27 |
;************************************************
|
forrest@0
|
28 |
; read in data: observed
|
forrest@0
|
29 |
;************************************************
|
forrest@0
|
30 |
PREC_ANN = tofloat(data_file_obs->PREC_ANN)
|
forrest@0
|
31 |
TNPP_C = data_file_obs->TNPP_C
|
forrest@0
|
32 |
xo = data_file_obs->LONG_DD
|
forrest@0
|
33 |
yo = data_file_obs->LAT_DD
|
forrest@0
|
34 |
|
forrest@0
|
35 |
; change longitude from (-180,180) to (0,360)
|
forrest@0
|
36 |
;print (xo)
|
forrest@0
|
37 |
nx = dimsizes(xo)
|
forrest@0
|
38 |
do i= 0,nx-1
|
forrest@0
|
39 |
if (xo(i) .lt. 0.) then
|
forrest@0
|
40 |
xo(i) = xo(i)+ 360.
|
forrest@0
|
41 |
end if
|
forrest@0
|
42 |
end do
|
forrest@0
|
43 |
;print (xo)
|
forrest@0
|
44 |
|
forrest@0
|
45 |
;************************************************
|
forrest@0
|
46 |
; read in data: model
|
forrest@0
|
47 |
;************************************************
|
forrest@0
|
48 |
ai = data_file_mod->RAIN
|
forrest@0
|
49 |
bi = data_file_mod->NPP
|
forrest@0
|
50 |
xi = data_file_mod->lon
|
forrest@0
|
51 |
yi = data_file_mod->lat
|
forrest@0
|
52 |
|
forrest@0
|
53 |
;************************************************
|
forrest@0
|
54 |
; interpolate from model grid to observed grid
|
forrest@0
|
55 |
;************************************************
|
forrest@0
|
56 |
RAIN = linint2_points(xi,yi,ai,True,xo,yo,0)
|
forrest@0
|
57 |
NPP = linint2_points(xi,yi,bi,True,xo,yo,0)
|
forrest@0
|
58 |
|
forrest@0
|
59 |
;************************************************
|
forrest@0
|
60 |
; convert unit
|
forrest@0
|
61 |
;************************************************
|
forrest@0
|
62 |
; Units for these four variables are:
|
forrest@0
|
63 |
;
|
forrest@0
|
64 |
; PREC_ANN : mm/year
|
forrest@0
|
65 |
; TNPP_C : g C/m^2/year
|
forrest@0
|
66 |
; RAIN : mm/s
|
forrest@0
|
67 |
; NPP : g C/m^2/s
|
forrest@0
|
68 |
;
|
forrest@0
|
69 |
; We want to convert these to "m/year" and "g C/m^2/year".
|
forrest@0
|
70 |
;
|
forrest@0
|
71 |
nsec_per_year = 60*60*24*365 ; # seconds per year
|
forrest@0
|
72 |
|
forrest@0
|
73 |
; Do the necessary conversions.
|
forrest@0
|
74 |
PREC_ANN = PREC_ANN / 1000.
|
forrest@0
|
75 |
RAIN = (RAIN / 1000.) * nsec_per_year
|
forrest@0
|
76 |
NPP = NPP * nsec_per_year
|
forrest@0
|
77 |
|
forrest@0
|
78 |
; Redo the units.
|
forrest@0
|
79 |
PREC_ANN@units = "m/yr"
|
forrest@0
|
80 |
RAIN@units = "m/yr"
|
forrest@0
|
81 |
NPP@units = "gC/m^2/yr"
|
forrest@0
|
82 |
TNPP_C@units = "gC/m^2/yr"
|
forrest@0
|
83 |
|
forrest@0
|
84 |
;************************************************
|
forrest@0
|
85 |
pminmax(PREC_ANN,"PREC_ANN")
|
forrest@0
|
86 |
pminmax(TNPP_C,"TNPP_C")
|
forrest@0
|
87 |
pminmax(RAIN,"RAIN")
|
forrest@0
|
88 |
pminmax(NPP,"NPP")
|
forrest@0
|
89 |
|
forrest@0
|
90 |
RAIN_1D = ndtooned(RAIN)
|
forrest@0
|
91 |
NPP_1D = ndtooned(NPP)
|
forrest@0
|
92 |
PREC_ANN_1D = ndtooned(PREC_ANN)
|
forrest@0
|
93 |
TNPP_C_1D = ndtooned(TNPP_C)
|
forrest@0
|
94 |
|
forrest@0
|
95 |
;
|
forrest@0
|
96 |
; Calculate some "nice" bins for binning the data in equally spaced
|
forrest@0
|
97 |
; ranges.
|
forrest@0
|
98 |
;
|
forrest@0
|
99 |
nbins = 15 ; Number of bins to use.
|
forrest@0
|
100 |
|
forrest@0
|
101 |
nicevals = nice_mnmxintvl(min(RAIN_1D),max(RAIN_1D),nbins,True)
|
forrest@0
|
102 |
nvals = floattoint((nicevals(1) - nicevals(0))/nicevals(2) + 1)
|
forrest@0
|
103 |
range = fspan(nicevals(0),nicevals(1),nvals)
|
forrest@0
|
104 |
;
|
forrest@0
|
105 |
; Use this range information to grab all the values in a
|
forrest@0
|
106 |
; particular range, and then take an average.
|
forrest@0
|
107 |
;
|
forrest@0
|
108 |
nr = dimsizes(range)
|
forrest@0
|
109 |
nx = nr-1
|
forrest@0
|
110 |
xvalues = new((/2,nx/),typeof(RAIN_1D))
|
forrest@0
|
111 |
xvalues(0,:) = range(0:nr-2) + (range(1:)-range(0:nr-2))/2.
|
forrest@0
|
112 |
dx = xvalues(0,1) - xvalues(0,0) ; range width
|
forrest@0
|
113 |
dx4 = dx/4 ; 1/4 of the range
|
forrest@0
|
114 |
xvalues(1,:) = xvalues(0,:) - dx/5.
|
forrest@0
|
115 |
yvalues = new((/2,nx/),typeof(RAIN_1D))
|
forrest@0
|
116 |
mn_yvalues = new((/2,nx/),typeof(RAIN_1D))
|
forrest@0
|
117 |
mx_yvalues = new((/2,nx/),typeof(RAIN_1D))
|
forrest@0
|
118 |
|
forrest@0
|
119 |
do nd=0,1
|
forrest@0
|
120 |
;
|
forrest@0
|
121 |
; See if we are doing model or observational data.
|
forrest@0
|
122 |
;
|
forrest@0
|
123 |
if(nd.eq.0) then
|
forrest@0
|
124 |
data = PREC_ANN_1D
|
forrest@0
|
125 |
npp_data = TNPP_C_1D
|
forrest@0
|
126 |
else
|
forrest@0
|
127 |
data = RAIN_1D
|
forrest@0
|
128 |
npp_data = NPP_1D
|
forrest@0
|
129 |
end if
|
forrest@0
|
130 |
;
|
forrest@0
|
131 |
; Loop through each range and check for values.
|
forrest@0
|
132 |
;
|
forrest@0
|
133 |
do i=0,nr-2
|
forrest@0
|
134 |
if (i.ne.(nr-2)) then
|
forrest@0
|
135 |
print("")
|
forrest@0
|
136 |
print("In range ["+range(i)+","+range(i+1)+")")
|
forrest@0
|
137 |
idx = ind((range(i).le.data).and.(data.lt.range(i+1)))
|
forrest@0
|
138 |
else
|
forrest@0
|
139 |
print("")
|
forrest@0
|
140 |
print("In range ["+range(i)+",)")
|
forrest@0
|
141 |
idx = ind(range(i).le.data)
|
forrest@0
|
142 |
end if
|
forrest@0
|
143 |
;
|
forrest@0
|
144 |
; Calculate average, and get min and max.
|
forrest@0
|
145 |
;
|
forrest@0
|
146 |
if(.not.any(ismissing(idx))) then
|
forrest@0
|
147 |
yvalues(nd,i) = avg(npp_data(idx))
|
forrest@0
|
148 |
mn_yvalues(nd,i) = min(npp_data(idx))
|
forrest@0
|
149 |
mx_yvalues(nd,i) = max(npp_data(idx))
|
forrest@0
|
150 |
count = dimsizes(idx)
|
forrest@0
|
151 |
else
|
forrest@0
|
152 |
count = 0
|
forrest@0
|
153 |
yvalues(nd,i) = yvalues@_FillValue
|
forrest@0
|
154 |
mn_yvalues(nd,i) = yvalues@_FillValue
|
forrest@0
|
155 |
mx_yvalues(nd,i) = yvalues@_FillValue
|
forrest@0
|
156 |
end if
|
forrest@0
|
157 |
;
|
forrest@0
|
158 |
; Print out information.
|
forrest@0
|
159 |
;
|
forrest@0
|
160 |
print(data_types(nd) + ": " + count + " points, avg = " + yvalues(nd,i))
|
forrest@0
|
161 |
print("Min/Max: " + mn_yvalues(nd,i) + "/" + mx_yvalues(nd,i))
|
forrest@0
|
162 |
|
forrest@0
|
163 |
;
|
forrest@0
|
164 |
; Clean up for next time in loop.
|
forrest@0
|
165 |
;
|
forrest@0
|
166 |
delete(idx)
|
forrest@0
|
167 |
end do
|
forrest@0
|
168 |
delete(data)
|
forrest@0
|
169 |
delete(npp_data)
|
forrest@0
|
170 |
end do
|
forrest@0
|
171 |
|
forrest@0
|
172 |
xvalues@long_name = "Mean Annual precipitation (m/year)"
|
forrest@0
|
173 |
yvalues@long_name = "NPP (g C/m2/year)"
|
forrest@0
|
174 |
|
forrest@0
|
175 |
;
|
forrest@0
|
176 |
; Start the graphics.
|
forrest@0
|
177 |
;
|
forrest@0
|
178 |
wks = gsn_open_wks("png","npp")
|
forrest@0
|
179 |
|
forrest@0
|
180 |
res = True
|
forrest@0
|
181 |
res@gsnMaximize = False
|
forrest@0
|
182 |
res@gsnDraw = False
|
forrest@0
|
183 |
res@gsnFrame = False
|
forrest@0
|
184 |
res@xyMarkLineMode = "Markers"
|
forrest@0
|
185 |
res@xyMarkerSizeF = 0.014
|
forrest@0
|
186 |
res@xyMarker = 16
|
forrest@0
|
187 |
; res@xyMarkerColors = (/"Gray25","Gray50"/)
|
forrest@0
|
188 |
res@xyMarkerColors = (/"brown","blue"/)
|
forrest@0
|
189 |
res@trYMinF = min(mn_yvalues) - 10.
|
forrest@0
|
190 |
res@trYMaxF = max(mx_yvalues) + 10.
|
forrest@0
|
191 |
; res@tiMainString = "Observed vs i01.03cn_81site"
|
forrest@0
|
192 |
res@tiMainString = "Observed vs i01.04casa_81site"
|
forrest@0
|
193 |
|
forrest@0
|
194 |
xy = gsn_csm_xy(wks,xvalues,yvalues,res)
|
forrest@0
|
195 |
|
forrest@0
|
196 |
max_bar = new((/2,nx/),graphic)
|
forrest@0
|
197 |
min_bar = new((/2,nx/),graphic)
|
forrest@0
|
198 |
max_cap = new((/2,nx/),graphic)
|
forrest@0
|
199 |
min_cap = new((/2,nx/),graphic)
|
forrest@0
|
200 |
|
forrest@0
|
201 |
lnres = True
|
forrest@0
|
202 |
|
forrest@0
|
203 |
line_colors = (/"brown","blue"/)
|
forrest@0
|
204 |
do nd=0,1
|
forrest@0
|
205 |
lnres@gsLineColor = line_colors(nd)
|
forrest@0
|
206 |
do i=0,nx-1
|
forrest@0
|
207 |
|
forrest@0
|
208 |
if(.not.ismissing(mn_yvalues(nd,i)).and. \
|
forrest@0
|
209 |
.not.ismissing(mx_yvalues(nd,i))) then
|
forrest@0
|
210 |
;
|
forrest@0
|
211 |
; Attach the vertical bar, both above and below the marker.
|
forrest@0
|
212 |
;
|
forrest@0
|
213 |
x1 = xvalues(nd,i)
|
forrest@0
|
214 |
y1 = yvalues(nd,i)
|
forrest@0
|
215 |
y2 = mn_yvalues(nd,i)
|
forrest@0
|
216 |
min_bar(nd,i) = gsn_add_polyline(wks,xy,(/x1,x1/),(/y1,y2/),lnres)
|
forrest@0
|
217 |
|
forrest@0
|
218 |
y2 = mx_yvalues(nd,i)
|
forrest@0
|
219 |
max_bar(nd,i) = gsn_add_polyline(wks,xy,(/x1,x1/),(/y1,y2/),lnres)
|
forrest@0
|
220 |
;
|
forrest@0
|
221 |
; Attach the horizontal cap line, both above and below the marker.
|
forrest@0
|
222 |
;
|
forrest@0
|
223 |
x1 = xvalues(nd,i) - dx4
|
forrest@0
|
224 |
x2 = xvalues(nd,i) + dx4
|
forrest@0
|
225 |
y1 = mn_yvalues(nd,i)
|
forrest@0
|
226 |
min_cap(nd,i) = gsn_add_polyline(wks,xy,(/x1,x2/),(/y1,y1/),lnres)
|
forrest@0
|
227 |
|
forrest@0
|
228 |
y1 = mx_yvalues(nd,i)
|
forrest@0
|
229 |
max_cap(nd,i) = gsn_add_polyline(wks,xy,(/x1,x2/),(/y1,y1/),lnres)
|
forrest@0
|
230 |
end if
|
forrest@0
|
231 |
end do
|
forrest@0
|
232 |
end do
|
forrest@0
|
233 |
|
forrest@0
|
234 |
draw(xy)
|
forrest@0
|
235 |
frame(wks)
|
forrest@0
|
236 |
|
forrest@0
|
237 |
end
|
forrest@0
|
238 |
|