1 |
C $Header: /u/gcmpack/MITgcm/pkg/fizhi/update_earth_exports.F,v 1.2 2004/06/07 18:11:38 molod Exp $ |
2 |
C $Name: $ |
3 |
|
4 |
subroutine update_earth_exports (myTime, myIter, myThid) |
5 |
c---------------------------------------------------------------------- |
6 |
c Subroutine update_earth_exports - 'Wrapper' routine to update |
7 |
c the fields related to the earth's surface that are needed |
8 |
c by fizhi. |
9 |
c |
10 |
c Call: getlgr (Set the leaf area index and surface greenness, |
11 |
c based on veg type and month) |
12 |
c getalb (Set the 4 albedos based on veg type, snow and time) |
13 |
c getemiss (Set the surface emissivity based on the veg type |
14 |
c and the snow depth) |
15 |
c----------------------------------------------------------------------- |
16 |
implicit none |
17 |
#include "CPP_OPTIONS.h" |
18 |
#include "SIZE.h" |
19 |
#include "fizhi_land_SIZE.h" |
20 |
#include "fizhi_SIZE.h" |
21 |
#include "fizhi_coms.h" |
22 |
#include "gridalt_mapping.h" |
23 |
#include "fizhi_land_coms.h" |
24 |
#include "fizhi_earth_coms.h" |
25 |
#include "EEPARAMS.h" |
26 |
|
27 |
integer myTime, myIter, myThid |
28 |
|
29 |
real lats(sNx,sNy), lons(sNx,sNy), cosz(sNx,sNy) |
30 |
integer i, j, L, bi, bj |
31 |
integer im1, im2, jm1, jm2, idim1, idim2, jdim1, jdim2 |
32 |
integer sec, day, month |
33 |
integer nmonf,ndayf |
34 |
nmonf(n) = mod(n,10000)/100 |
35 |
ndayf(n) = mod(n,100) |
36 |
|
37 |
idim1 = 1-OLx |
38 |
idim2 = sNx+OLx |
39 |
jdim1 = 1-OLy |
40 |
jdim2 = sNy+OLy |
41 |
im1 = 1 |
42 |
im2 = sNx |
43 |
jm1 = 1 |
44 |
jm2 = sNy |
45 |
month = nmonf(nymd) |
46 |
day = ndayf(nymd) |
47 |
sec = nsecf(nhms) |
48 |
|
49 |
do bj = myByLo(myThid), myByHi(myThid) |
50 |
do bi = myBxLo(myThid), myBxHi(myThid) |
51 |
do j = jm1,jm2 |
52 |
do i = im1,im2 |
53 |
lons(i,j,bi,bj) = xC(i,j,bi,bj) |
54 |
lats(i,j,bi,bj) = yC(i,j,bi,bj) |
55 |
enddo |
56 |
enddo |
57 |
|
58 |
C*********************************************************************** |
59 |
C* Get Leaf-Area-Index and Greenness Index * |
60 |
C*********************************************************************** |
61 |
|
62 |
if( alarm('turb') .or. alarm('radsw') ) then |
63 |
call getlgr (sec,month,day,chlt,ityp,nchpland,alai,agrn ) |
64 |
endif |
65 |
|
66 |
C ********************************************************************** |
67 |
C Compute Surface Albedo |
68 |
C ********************************************************************** |
69 |
|
70 |
if( alarm('radsw') ) then |
71 |
call astro ( nymd,nhms, lats,lons, im2*jm2, cosz,ra ) |
72 |
call getalb ( sec,month,day,cosz,snodep,fraci,fracl, |
73 |
. im,jm,nchp,nchpland,igrd,ityp,chfr,chlt,alai,agrn, |
74 |
. albvisdr,albvisdf,albnirdr,albnirdf ) |
75 |
endif |
76 |
|
77 |
|
78 |
C ********************************************************************** |
79 |
C Compute Surface Emissivity |
80 |
C ********************************************************************** |
81 |
|
82 |
if( alarm('radlw') ) then |
83 |
call grd2msc ( fraci,im,jm,igrd,ficetile,nchp,nchp ) |
84 |
call getemiss ( fracl,im,jm,nchp,igrd,ityp,chfr,snodep,ficetile, |
85 |
. emiss ) |
86 |
endif |
87 |
|
88 |
|
89 |
C********************************************************************* |
90 |
C Ground Temperature Over Ocean is from SST array, |
91 |
C********************************************************************* |
92 |
|
93 |
do j = 1,jm |
94 |
do i = 1,im |
95 |
if(fracl(i,j).lt.0.3.and.sea_ice(i,j).eq.0.0)tgz(i,j) = sst(i,j) |
96 |
endif |
97 |
enddo |
98 |
enddo |
99 |
|
100 |
enddo |
101 |
enddo |
102 |
|
103 |
return |
104 |
end |
105 |
|
106 |
SUBROUTINE SIBALB ( AVISDR, ANIRDR, AVISDF, ANIRDF, |
107 |
. VLAI, VGRN, ZTH, SNW, ITYP, IRUN ) |
108 |
|
109 |
C********************************************************************* |
110 |
C The input list is as follows: |
111 |
C VLAI: the leaf area index. |
112 |
C VGRN: the greenness index. |
113 |
C ZTH: The cosine of the solar zenith angle. |
114 |
C SNW: Snow cover in meters water equivalent. |
115 |
C ITYP: The surface type (grass, bare soil, etc.) |
116 |
C IRUN: Number of tiles (same as used for SUBROUTINE TILE). |
117 |
C |
118 |
C The output list is as follows: |
119 |
C |
120 |
C AVISDR: visible, direct albedo. |
121 |
C ANIRDR: near infra-red, direct albedo. |
122 |
C AVISDF: visible, diffuse albedo. |
123 |
C ANIRDF: near infra-red, diffuse albedo. |
124 |
C******************************************************************* |
125 |
|
126 |
IMPLICIT NONE |
127 |
|
128 |
INTEGER IRUN |
129 |
REAL AVISDR (IRUN), ANIRDR (IRUN), AVISDF (IRUN), ANIRDF (IRUN), |
130 |
` VLAI (IRUN), VGRN (IRUN), ZTH (IRUN), SNW (IRUN) |
131 |
INTEGER ITYP (IRUN) |
132 |
|
133 |
REAL ALVDRS, ALIDRS |
134 |
REAL ALVDRDL, ALIDRDL |
135 |
REAL ALVDRDD, ALIDRDD |
136 |
REAL ALVDRI, ALIDRI |
137 |
REAL minval |
138 |
external minval |
139 |
|
140 |
PARAMETER ( ALVDRS = 0.100 ) ! Albedo of soil for visible direct solar radiation. |
141 |
PARAMETER ( ALIDRS = 0.200 ) ! Albedo of soil for infra-red direct solar radiation. |
142 |
PARAMETER ( ALVDRDL = 0.300 ) ! Albedo of light desert for visible direct solar radiation. |
143 |
PARAMETER ( ALIDRDL = 0.350 ) ! Albedo of light desert for infra-red direct solar radiation. |
144 |
PARAMETER ( ALVDRDD = 0.250 ) ! Albedo of dark desert for visible direct solar radiation. |
145 |
PARAMETER ( ALIDRDD = 0.300 ) ! Albedo of dark desert for infra-red direct solar radiation. |
146 |
PARAMETER ( ALVDRI = 0.800 ) ! Albedo of ice for visible direct solar radiation. |
147 |
PARAMETER ( ALIDRI = 0.800 ) ! Albedo of ice for infra-red direct solar radiation. |
148 |
|
149 |
* -------------------------------------------------------------------------------------------- |
150 |
|
151 |
INTEGER NTYPS |
152 |
INTEGER NLAI |
153 |
REAL ZERO, ONE |
154 |
REAL EPSLN, BLAI, DLAI |
155 |
REAL ALATRM |
156 |
PARAMETER (NLAI = 14 ) |
157 |
PARAMETER (EPSLN = 1.E-6) |
158 |
PARAMETER (BLAI = 0.5) |
159 |
PARAMETER (DLAI = 0.5) |
160 |
PARAMETER (ZERO=0., ONE=1.0) |
161 |
PARAMETER (ALATRM = BLAI + (NLAI - 1) * DLAI - EPSLN) |
162 |
PARAMETER (NTYPS=10) |
163 |
|
164 |
|
165 |
C ITYP: Vegetation type as follows: |
166 |
C 1: BROADLEAF EVERGREEN TREES |
167 |
C 2: BROADLEAF DECIDUOUS TREES |
168 |
C 3: NEEDLELEAF TREES |
169 |
C 4: GROUND COVER |
170 |
C 5: BROADLEAF SHRUBS |
171 |
C 6: DWARF TREES (TUNDRA) |
172 |
C 7: BARE SOIL |
173 |
C 8: LIGHT DESERT |
174 |
C 9: GLACIER |
175 |
C 10: DARK DESERT |
176 |
C |
177 |
|
178 |
|
179 |
* [ Definition of Variables: ] |
180 |
* |
181 |
INTEGER I, LAI |
182 |
|
183 |
REAL FAC, GAMMA, BETA, ALPHA, |
184 |
` DX, DY, ALA, GRN (2), |
185 |
` SNWALB (4, NTYPS), SNWMID (NTYPS) |
186 |
|
187 |
* [ Definition of Functions: ] |
188 |
* |
189 |
REAL COEFF |
190 |
|
191 |
C Constants used in albedo calculations: |
192 |
|
193 |
REAL ALVDR (NLAI, 2, NTYPS) |
194 |
REAL BTVDR (NLAI, 2, NTYPS) |
195 |
REAL GMVDR (NLAI, 2, NTYPS) |
196 |
REAL ALIDR (NLAI, 2, NTYPS) |
197 |
REAL BTIDR (NLAI, 2, NTYPS) |
198 |
REAL GMIDR (NLAI, 2, NTYPS) |
199 |
|
200 |
C (Data statements for ALVDR described in full; data statements for |
201 |
C other constants follow same framework.) |
202 |
|
203 |
C BROADLEAF EVERGREEN (ITYP=4); GREEN=0.33; LAI: .5-7 |
204 |
DATA (ALVDR (I, 1, 1), I = 1, 14) |
205 |
` /0.0808, 0.0796, 0.0792, 0.0790, 10*0.0789/ |
206 |
|
207 |
C BROADLEAF EVERGREEN (ITYP=4); GREEN=0.67; LAI: .5-7 |
208 |
DATA (ALVDR (I, 2, 1), I = 1, 14) |
209 |
` /0.0788, 0.0775, 0.0771, 0.0769, 10*0.0768/ |
210 |
|
211 |
C BROADLEAF DECIDUOUS (ITYP=1); GREEN=0.33; LAI: .5-7 |
212 |
DATA (ALVDR (I, 1, 2), I = 1, 14) |
213 |
` /0.0803, 0.0790, 0.0785, 0.0784, 3*0.0783, 7*0.0782/ |
214 |
|
215 |
C BROADLEAF DECIDUOUS (ITYP=1); GREEN=0.67; LAI: .5-7 |
216 |
DATA (ALVDR (I, 2, 2), I = 1, 14) |
217 |
` /0.0782, 0.0770, 0.0765, 0.0763, 10*0.0762/ |
218 |
|
219 |
C NEEDLELEAF (ITYP=3); GREEN=0.33; LAI=.5-7 |
220 |
DATA (ALVDR (I, 1, 3), I = 1, 14) |
221 |
` /0.0758, 0.0746, 0.0742, 0.0740, 10*0.0739/ |
222 |
|
223 |
C NEEDLELEAF (ITYP=3); GREEN=0.67; LAI=.5-7 |
224 |
DATA (ALVDR (I, 2, 3), I = 1, 14) |
225 |
` /0.0683, 0.0672, 0.0667, 2*0.0665, 9*0.0664/ |
226 |
|
227 |
C GROUNDCOVER (ITYP=2); GREEN=0.33; LAI=.5-7 |
228 |
DATA (ALVDR (I, 1, 4), I = 1, 14) |
229 |
` /0.2436, 0.2470, 0.2486, 0.2494, 0.2498, 0.2500, 2*0.2501, |
230 |
` 6*0.2502 |
231 |
` / |
232 |
C GROUNDCOVER (ITYP=2); GREEN=0.67; LAI=.5-7 |
233 |
DATA (ALVDR (I, 2, 4), I = 1, 14) /14*0.1637/ |
234 |
|
235 |
C BROADLEAF SHRUBS (ITYP=5); GREEN=0.33,LAI=.5-7 |
236 |
DATA (ALVDR (I, 1, 5), I = 1, 14) |
237 |
& /0.0807, 0.0798, 0.0794, 0.0792, 0.0792, 9*0.0791/ |
238 |
|
239 |
C BROADLEAF SHRUBS (ITYP=5); GREEN=0.67,LAI=.5-7 |
240 |
DATA (ALVDR (I, 2, 5), I = 1, 14) |
241 |
& /0.0787, 0.0777, 0.0772, 0.0771, 10*0.0770/ |
242 |
|
243 |
C DWARF TREES, OR TUNDRA (ITYP=6); GREEN=0.33,LAI=.5-7 |
244 |
DATA (ALVDR (I, 1, 6), I = 1, 14) |
245 |
& /0.0802, 0.0791, 0.0787, 0.0786, 10*0.0785/ |
246 |
|
247 |
C DWARF TREES, OR TUNDRA (ITYP=6); GREEN=0.67,LAI=.5-7 |
248 |
DATA (ALVDR (I, 2, 6), I = 1, 14) |
249 |
& /0.0781, 0.0771, 0.0767, 0.0765, 0.0765, 9*0.0764/ |
250 |
|
251 |
|
252 |
C BARE SOIL |
253 |
DATA (ALVDR (I, 1, 7), I = 1, 14) /14*ALVDRS/ |
254 |
DATA (ALVDR (I, 2, 7), I = 1, 14) /14*ALVDRS/ |
255 |
|
256 |
C LIGHT DESERT (SAHARA, EG) |
257 |
DATA (ALVDR (I, 1, 8), I = 1, 14) /14*ALVDRDL/ |
258 |
DATA (ALVDR (I, 2, 8), I = 1, 14) /14*ALVDRDL/ |
259 |
|
260 |
C ICE |
261 |
DATA (ALVDR (I, 1, 9), I = 1, 14) /14*ALVDRI/ |
262 |
DATA (ALVDR (I, 2, 9), I = 1, 14) /14*ALVDRI/ |
263 |
|
264 |
C DARK DESERT (AUSTRALIA, EG) |
265 |
DATA (ALVDR (I, 1, 10), I = 1, 14) /14*ALVDRDD/ |
266 |
DATA (ALVDR (I, 2, 10), I = 1, 14) /14*ALVDRDD/ |
267 |
C**** |
268 |
C**** ------------------------------------------------- |
269 |
DATA (BTVDR (I, 1, 1), I = 1, 14) |
270 |
` /0.0153, 0.0372, 0.0506, 0.0587, 0.0630, 0.0652, 0.0663, |
271 |
` 0.0668, 0.0671, 0.0672, 4*0.0673 |
272 |
` / |
273 |
DATA (BTVDR (I, 2, 1), I = 1, 14) |
274 |
* /0.0135, 0.0354, 0.0487, 0.0568, 0.0611, 0.0633, 0.0644, |
275 |
` 0.0650, 0.0652, 0.0654, 0.0654, 3*0.0655 |
276 |
` / |
277 |
DATA (BTVDR (I, 1, 2), I = 1, 14) |
278 |
* /0.0148, 0.0357, 0.0462, 0.0524, 0.0554, 0.0569, 0.0576, |
279 |
` 0.0579, 0.0580, 0.0581, 0.0581, 3*0.0582 |
280 |
` / |
281 |
DATA (BTVDR (I, 2, 2), I = 1, 14) |
282 |
* /0.0131, 0.0342, 0.0446, 0.0508, 0.0539, 0.0554, 0.0560, |
283 |
` 0.0564, 0.0565, 5*0.0566 |
284 |
` / |
285 |
DATA (BTVDR (I, 1, 3), I = 1, 14) |
286 |
* /0.0108, 0.0334, 0.0478, 0.0571, 0.0624, 0.0652, 0.0666, |
287 |
` 0.0673, 0.0677, 0.0679, 4*0.0680 |
288 |
` / |
289 |
DATA (BTVDR (I, 2, 3), I = 1, 14) |
290 |
* /0.0034, 0.0272, 0.0408, 0.0501, 0.0554, 0.0582, 0.0597, |
291 |
* 0.0604, 0.0608, 0.0610, 4*0.0611 |
292 |
` / |
293 |
DATA (BTVDR (I, 1, 4), I = 1, 14) |
294 |
* /0.2050, 0.2524, 0.2799, 0.2947, 0.3022, 0.3059, 0.3076, |
295 |
* 0.3085, 0.3088, 0.3090, 4*0.3091 |
296 |
` / |
297 |
DATA (BTVDR (I, 2, 4), I = 1, 14) |
298 |
* /0.1084, 0.1404, 0.1617, 0.1754, 0.1837, 0.1887, 0.1915, |
299 |
* 0.1931, 0.1940, 0.1946, 0.1948, 0.1950, 2*0.1951 |
300 |
` / |
301 |
DATA (BTVDR (I, 1, 5), I = 1, 14) |
302 |
& /0.0203, 0.0406, 0.0548, 0.0632, 0.0679, 0.0703, 0.0716, |
303 |
& 0.0722, 0.0726, 0.0727, 0.0728, 0.0728, 0.0728, 0.0729 |
304 |
` / |
305 |
|
306 |
DATA (BTVDR (I, 2, 5), I = 1, 14) |
307 |
& /0.0184, 0.0385, 0.0526, 0.0611, 0.0658, 0.0683, 0.0696, |
308 |
& 0.0702, 0.0705, 0.0707, 4*0.0708 |
309 |
` / |
310 |
|
311 |
DATA (BTVDR (I, 1, 6), I = 1, 14) |
312 |
& /0.0199, 0.0388, 0.0494, 0.0554, 0.0584, 0.0599, 0.0606, |
313 |
& 0.0609, 0.0611, 5*0.0612 |
314 |
` / |
315 |
|
316 |
DATA (BTVDR (I, 2, 6), I = 1, 14) |
317 |
& /0.0181, 0.0371, 0.0476, 0.0537, 0.0568, 0.0583, 0.0590, |
318 |
& 0.0593, 0.0595, 0.0595, 4*0.0596 |
319 |
` / |
320 |
|
321 |
DATA (BTVDR (I, 1, 7), I = 1, 14) /14*0./ |
322 |
DATA (BTVDR (I, 2, 7), I = 1, 14) /14*0./ |
323 |
|
324 |
DATA (BTVDR (I, 1, 8), I = 1, 14) /14*0./ |
325 |
DATA (BTVDR (I, 2, 8), I = 1, 14) /14*0./ |
326 |
|
327 |
DATA (BTVDR (I, 1, 9), I = 1, 14) /14*0./ |
328 |
DATA (BTVDR (I, 2, 9), I = 1, 14) /14*0./ |
329 |
|
330 |
DATA (BTVDR (I, 1, 10), I = 1, 14) /14*0./ |
331 |
DATA (BTVDR (I, 2, 10), I = 1, 14) /14*0./ |
332 |
|
333 |
C**** |
334 |
C**** ----------------------------------------------------------- |
335 |
DATA (GMVDR (I, 1, 1), I = 1, 14) |
336 |
` /0.0814, 0.1361, 0.2078, 0.2650, 0.2986, 0.3169, 0.3265, |
337 |
* 0.3313, 0.3337, 0.3348, 0.3354, 0.3357, 2*0.3358 |
338 |
` / |
339 |
DATA (GMVDR (I, 2, 1), I = 1, 14) |
340 |
* /0.0760, 0.1336, 0.2034, 0.2622, 0.2969, 0.3159, 0.3259, |
341 |
* 0.3309, 0.3333, 0.3346, 0.3352, 0.3354, 2*0.3356 |
342 |
` / |
343 |
DATA (GMVDR (I, 1, 2), I = 1, 14) |
344 |
* /0.0834, 0.1252, 0.1558, 0.1927, 0.2131, 0.2237, 0.2290, |
345 |
* 0.2315, 0.2327, 0.2332, 0.2335, 2*0.2336, 0.2337 |
346 |
` / |
347 |
DATA (GMVDR (I, 2, 2), I = 1, 14) |
348 |
* /0.0789, 0.1235, 0.1531, 0.1912, 0.2122, 0.2232, 0.2286, |
349 |
* 0.2312, 0.2324, 0.2330, 0.2333, 0.2334, 2*0.2335 |
350 |
` / |
351 |
DATA (GMVDR (I, 1, 3), I = 1, 14) |
352 |
* /0.0647, 0.1342, 0.2215, 0.2968, 0.3432, 0.3696, 0.3838, |
353 |
* 0.3912, 0.3950, 0.3968, 0.3978, 0.3982, 0.3984, 0.3985 |
354 |
` / |
355 |
DATA (GMVDR (I, 2, 3), I = 1, 14) |
356 |
* /0.0258, 0.1227, 0.1999, 0.2825, 0.3339, 0.3634, 0.3794, |
357 |
* 0.3877, 0.3919, 0.3940, 0.3950, 0.3956, 0.3958, 0.3959 |
358 |
` / |
359 |
DATA (GMVDR (I, 1, 4), I = 1, 14) |
360 |
* /0.3371, 0.5762, 0.7159, 0.7927, 0.8324, 0.8526, 0.8624, |
361 |
* 0.8671, 0.8693, 0.8704, 0.8709, 0.8710, 2*0.8712 |
362 |
` / |
363 |
DATA (GMVDR (I, 2, 4), I = 1, 14) |
364 |
* /0.2634, 0.4375, 0.5532, 0.6291, 0.6763, 0.7048, 0.7213, |
365 |
* 0.7310, 0.7363, 0.7395, 0.7411, 0.7420, 0.7426, 0.7428 |
366 |
` / |
367 |
DATA (GMVDR (I, 1, 5), I = 1, 14) |
368 |
& /0.0971, 0.1544, 0.2511, 0.3157, 0.3548, 0.3768, 0.3886, |
369 |
& 0.3948, 0.3978, 0.3994, 0.4001, 0.4006, 0.4007, 0.4008 |
370 |
` / |
371 |
|
372 |
DATA (GMVDR (I, 2, 5), I = 1, 14) |
373 |
& /0.0924, 0.1470, 0.2458, 0.3123, 0.3527, 0.3756, 0.3877, |
374 |
& 0.3942, 0.3974, 0.3990, 0.3998, 0.4002, 0.4004, 0.4005 |
375 |
` / |
376 |
|
377 |
DATA (GMVDR (I, 1, 6), I = 1, 14) |
378 |
& /0.0970, 0.1355, 0.1841, 0.2230, 0.2447, 0.2561, 0.2617, |
379 |
& 0.2645, 0.2658, 0.2664, 0.2667, 3*0.2669 |
380 |
` / |
381 |
|
382 |
DATA (GMVDR (I, 2, 6), I = 1, 14) |
383 |
& /0.0934, 0.1337, 0.1812, 0.2213, 0.2437, 0.2554, 0.2613, |
384 |
& 0.2642, 0.2656, 0.2662, 0.2665, 0.2667, 0.2667, 0.2668 |
385 |
` / |
386 |
|
387 |
DATA (GMVDR (I, 1, 7), I = 1, 14) /14*1./ |
388 |
DATA (GMVDR (I, 2, 7), I = 1, 14) /14*1./ |
389 |
|
390 |
DATA (GMVDR (I, 1, 8), I = 1, 14) /14*1./ |
391 |
DATA (GMVDR (I, 2, 8), I = 1, 14) /14*1./ |
392 |
|
393 |
DATA (GMVDR (I, 1, 9), I = 1, 14) /14*1./ |
394 |
DATA (GMVDR (I, 2, 9), I = 1, 14) /14*1./ |
395 |
|
396 |
DATA (GMVDR (I, 1, 10), I = 1, 14) /14*1./ |
397 |
DATA (GMVDR (I, 2, 10), I = 1, 14) /14*1./ |
398 |
|
399 |
C**** |
400 |
C**** ----------------------------------------------------------- |
401 |
|
402 |
DATA (ALIDR (I, 1, 1), I = 1, 14) |
403 |
* /0.2867, 0.2840, 0.2828, 0.2822, 0.2819, 0.2818, 2*0.2817, |
404 |
* 6*0.2816 |
405 |
` / |
406 |
DATA (ALIDR (I, 2, 1), I = 1, 14) |
407 |
* /0.3564, 0.3573, 0.3577, 0.3580, 2*0.3581, 8*0.3582/ |
408 |
DATA (ALIDR (I, 1, 2), I = 1, 14) |
409 |
* /0.2848, 0.2819, 0.2804, 0.2798, 0.2795, 2*0.2793, 7*0.2792/ |
410 |
DATA (ALIDR (I, 2, 2), I = 1, 14) |
411 |
* /0.3544, 0.3550, 0.3553, 2*0.3555, 9*0.3556/ |
412 |
DATA (ALIDR (I, 1, 3), I = 1, 14) |
413 |
* /0.2350, 0.2311, 0.2293, 0.2285, 0.2281, 0.2280, 8*0.2279/ |
414 |
DATA (ALIDR (I, 2, 3), I = 1, 14) |
415 |
* /0.2474, 0.2436, 0.2418, 0.2410, 0.2406, 0.2405, 3*0.2404, |
416 |
* 5*0.2403 |
417 |
` / |
418 |
DATA (ALIDR (I, 1, 4), I = 1, 14) |
419 |
* /0.5816, 0.6157, 0.6391, 0.6556, 0.6673, 0.6758, 0.6820, |
420 |
* 0.6866, 0.6899, 0.6924, 0.6943, 0.6956, 0.6966, 0.6974 |
421 |
` / |
422 |
DATA (ALIDR (I, 2, 4), I = 1, 14) |
423 |
* /0.5489, 0.5770, 0.5955, 0.6079, 0.6163, 0.6221, 0.6261, |
424 |
* 0.6288, 0.6308, 0.6321, 0.6330, 0.6337, 0.6341, 0.6344 |
425 |
` / |
426 |
DATA (ALIDR (I, 1, 5), I = 1, 14) |
427 |
& /0.2845, 0.2837, 0.2832, 0.2831, 0.2830, 9*0.2829/ |
428 |
DATA (ALIDR (I, 2, 5), I = 1, 14) |
429 |
& /0.3532, 0.3562, 0.3578, 0.3586, 0.3590, 0.3592, 0.3594, |
430 |
& 0.3594, 0.3594, 5*0.3595 |
431 |
` / |
432 |
DATA (ALIDR (I, 1, 6), I = 1, 14) |
433 |
& /0.2825, 0.2812, 0.2806, 0.2803, 0.2802, 9*0.2801/ |
434 |
DATA (ALIDR (I, 2, 6), I = 1, 14) |
435 |
& /0.3512, 0.3538, 0.3552, 0.3559, 0.3562, 0.3564, 0.3565, |
436 |
& 0.3565, 6*0.3566 |
437 |
` / |
438 |
|
439 |
DATA (ALIDR (I, 1, 7), I = 1, 14) /14*ALIDRS/ |
440 |
DATA (ALIDR (I, 2, 7), I = 1, 14) /14*ALIDRS/ |
441 |
|
442 |
DATA (ALIDR (I, 1, 8), I = 1, 14) /14*ALIDRDL/ |
443 |
DATA (ALIDR (I, 2, 8), I = 1, 14) /14*ALIDRDL/ |
444 |
|
445 |
DATA (ALIDR (I, 1, 9), I = 1, 14) /14*ALIDRI/ |
446 |
DATA (ALIDR (I, 2, 9), I = 1, 14) /14*ALIDRI/ |
447 |
|
448 |
DATA (ALIDR (I, 1, 10), I = 1, 14) /14*ALIDRDD/ |
449 |
DATA (ALIDR (I, 2, 10), I = 1, 14) /14*ALIDRDD/ |
450 |
|
451 |
C**** |
452 |
C**** ----------------------------------------------------------- |
453 |
DATA (BTIDR (I, 1, 1), I = 1, 14) |
454 |
* /0.1291, 0.1707, 0.1969, 0.2125, 0.2216, 0.2267, 0.2295, |
455 |
* 0.2311, 0.2319, 0.2323, 0.2326, 2*0.2327, 0.2328 |
456 |
` / |
457 |
DATA (BTIDR (I, 2, 1), I = 1, 14) |
458 |
* /0.1939, 0.2357, 0.2598, 0.2735, 0.2810, 0.2851, 0.2874, |
459 |
* 0.2885, 0.2892, 0.2895, 0.2897, 3*0.2898 |
460 |
` / |
461 |
DATA (BTIDR (I, 1, 2), I = 1, 14) |
462 |
* /0.1217, 0.1522, 0.1713, 0.1820, 0.1879, 0.1910, 0.1926, |
463 |
* 0.1935, 0.1939, 0.1942, 2*0.1943, 2*0.1944 |
464 |
` / |
465 |
DATA (BTIDR (I, 2, 2), I = 1, 14) |
466 |
* /0.1781, 0.2067, 0.2221, 0.2301, 0.2342, 0.2363, 0.2374, |
467 |
* 0.2379, 0.2382, 0.2383, 2*0.2384, 2*0.2385 |
468 |
` / |
469 |
DATA (BTIDR (I, 1, 3), I = 1, 14) |
470 |
* /0.0846, 0.1299, 0.1614, 0.1814, 0.1935, 0.2004, 0.2043, |
471 |
* 0.2064, 0.2076, 0.2082, 0.2085, 2*0.2087, 0.2088 |
472 |
` / |
473 |
DATA (BTIDR (I, 2, 3), I = 1, 14) |
474 |
* /0.0950, 0.1410, 0.1722, 0.1921, 0.2042, 0.2111, 0.2151, |
475 |
* 0.2172, 0.2184, 0.2191, 0.2194, 0.2196, 2*0.2197 |
476 |
` / |
477 |
DATA (BTIDR (I, 1, 4), I = 1, 14) |
478 |
* /0.5256, 0.7444, 0.9908, 1.2700, 1.5680, 1.8505, 2.0767, |
479 |
* 2.2211, 2.2808, 2.2774, 2.2362, 2.1779, 2.1160, 2.0564 |
480 |
` / |
481 |
DATA (BTIDR (I, 2, 4), I = 1, 14) |
482 |
* /0.4843, 0.6714, 0.8577, 1.0335, 1.1812, 1.2858, 1.3458, |
483 |
* 1.3688, 1.3685, 1.3546, 1.3360, 1.3168, 1.2989, 1.2838 |
484 |
` / |
485 |
DATA (BTIDR (I, 1, 5), I = 1, 14) |
486 |
& /0.1498, 0.1930, 0.2201, 0.2364, 0.2460, 0.2514, 0.2544, |
487 |
& 0.2560, 0.2569, 0.2574, 0.2577, 0.2578, 0.2579, 0.2579 |
488 |
` / |
489 |
|
490 |
DATA (BTIDR (I, 2, 5), I = 1, 14) |
491 |
& /0.2184, 0.2656, 0.2927, 0.3078, 0.3159, 0.3202, 0.3224, |
492 |
& 0.3235, 0.3241, 0.3244, 0.3245, 3*0.3246 |
493 |
` / |
494 |
|
495 |
DATA (BTIDR (I, 1, 6), I = 1, 14) |
496 |
& /0.1369, 0.1681, 0.1860, 0.1958, 0.2010, 0.2038, 0.2053, |
497 |
& 0.2060, 0.2064, 0.2066, 0.2067, 3*0.2068 |
498 |
` / |
499 |
|
500 |
DATA (BTIDR (I, 2, 6), I = 1, 14) |
501 |
& /0.1969, 0.2268, 0.2416, 0.2488, 0.2521, 0.2537, 0.2544, |
502 |
& 0.2547, 0.2548, 5*0.2549 |
503 |
` / |
504 |
|
505 |
|
506 |
DATA (BTIDR (I, 1, 7), I = 1, 14) /14*0./ |
507 |
DATA (BTIDR (I, 2, 7), I = 1, 14) /14*0./ |
508 |
|
509 |
DATA (BTIDR (I, 1, 8), I = 1, 14) /14*0./ |
510 |
DATA (BTIDR (I, 2, 8), I = 1, 14) /14*0./ |
511 |
|
512 |
DATA (BTIDR (I, 1, 9), I = 1, 14) /14*0./ |
513 |
DATA (BTIDR (I, 2, 9), I = 1, 14) /14*0./ |
514 |
|
515 |
DATA (BTIDR (I, 1, 10), I = 1, 14) /14*0./ |
516 |
DATA (BTIDR (I, 2, 10), I = 1, 14) /14*0./ |
517 |
|
518 |
C**** |
519 |
C**** -------------------------------------------------------------- |
520 |
DATA (GMIDR (I, 1, 1), I = 1, 14) |
521 |
* /0.1582, 0.2581, 0.3227, 0.3635, 0.3882, 0.4026, 0.4108, |
522 |
* 0.4154, 0.4179, 0.4193, 0.4200, 0.4204, 0.4206, 0.4207 |
523 |
` / |
524 |
DATA (GMIDR (I, 2, 1), I = 1, 14) |
525 |
* /0.1934, 0.3141, 0.3818, 0.4200, 0.4415, 0.4533, 0.4598, |
526 |
* 0.4633, 0.4651, 0.4662, 0.4667, 0.4671, 2*0.4672 |
527 |
` / |
528 |
DATA (GMIDR (I, 1, 2), I = 1, 14) |
529 |
* /0.1347, 0.1871, 0.2277, 0.2515, 0.2651, 0.2727, 0.2768, |
530 |
* 0.2790, 0.2801, 0.2808, 0.2811, 0.2812, 0.2813, 0.2814 |
531 |
` / |
532 |
DATA (GMIDR (I, 2, 2), I = 1, 14) |
533 |
* /0.1440, 0.2217, 0.2629, 0.2839, 0.2947, 0.3003, 0.3031, |
534 |
* 0.3046, 0.3054, 0.3058, 0.3060, 2*0.3061, 0.3062 |
535 |
` / |
536 |
DATA (GMIDR (I, 1, 3), I = 1, 14) |
537 |
* /0.1372, 0.2368, 0.3235, 0.3839, 0.4229, 0.4465, 0.4602, |
538 |
* 0.4679, 0.4722, 0.4745, 0.4758, 0.4764, 0.4768, 0.4770 |
539 |
` / |
540 |
DATA (GMIDR (I, 2, 3), I = 1, 14) |
541 |
* /0.1435, 0.2524, 0.3370, 0.3955, 0.4332, 0.4563, 0.4697, |
542 |
* 0.4773, 0.4815, 0.4839, 0.4851, 0.4858, 0.4861, 0.4863 |
543 |
` / |
544 |
DATA (GMIDR (I, 1, 4), I = 1, 14) |
545 |
* /0.4298, 0.9651, 1.6189, 2.4084, 3.2992, 4.1928, 4.9611, |
546 |
* 5.5095, 5.8085, 5.9069, 5.8726, 5.7674, 5.6346, 5.4944 |
547 |
` / |
548 |
DATA (GMIDR (I, 2, 4), I = 1, 14) |
549 |
* /0.4167, 0.8974, 1.4160, 1.9414, 2.4147, 2.7803, 3.0202, |
550 |
* 3.1468, 3.1954, 3.1932, 3.1676, 3.1328, 3.0958, 3.0625 |
551 |
` / |
552 |
DATA (GMIDR (I, 1, 5), I = 1, 14) |
553 |
& /0.1959, 0.3203, 0.3985, 0.4472, 0.4766, 0.4937, 0.5034, |
554 |
& 0.5088, 0.5117, 0.5134, 0.5143, 0.5147, 0.5150, 0.5152 |
555 |
` / |
556 |
|
557 |
DATA (GMIDR (I, 2, 5), I = 1, 14) |
558 |
& /0.2328, 0.3859, 0.4734, 0.5227, 0.5498, 0.5644, 0.5720, |
559 |
& 0.5761, 0.5781, 0.5792, 0.5797, 0.5800, 0.5802, 0.5802 |
560 |
` / |
561 |
|
562 |
DATA (GMIDR (I, 1, 6), I = 1, 14) |
563 |
& /0.1447, 0.2244, 0.2698, 0.2953, 0.3094, 0.3170, 0.3211, |
564 |
& 0.3233, 0.3244, 0.3250, 0.3253, 0.3255, 0.3256, 0.3256 |
565 |
` / |
566 |
|
567 |
DATA (GMIDR (I, 2, 6), I = 1, 14) |
568 |
& /0.1643, 0.2624, 0.3110, 0.3347, 0.3461, 0.3517, 0.3543, |
569 |
& 0.3556, 0.3562, 0.3564, 0.3565, 0.3566, 0.3566, 0.3566 |
570 |
` / |
571 |
|
572 |
DATA (GMIDR (I, 1, 7), I = 1, 14) /14*1./ |
573 |
DATA (GMIDR (I, 2, 7), I = 1, 14) /14*1./ |
574 |
|
575 |
DATA (GMIDR (I, 1, 8), I = 1, 14) /14*1./ |
576 |
DATA (GMIDR (I, 2, 8), I = 1, 14) /14*1./ |
577 |
|
578 |
DATA (GMIDR (I, 1, 9), I = 1, 14) /14*1./ |
579 |
DATA (GMIDR (I, 2, 9), I = 1, 14) /14*1./ |
580 |
|
581 |
DATA (GMIDR (I, 1, 10), I = 1, 14) /14*1./ |
582 |
DATA (GMIDR (I, 2, 10), I = 1, 14) /14*1./ |
583 |
|
584 |
|
585 |
C**** ----------------------------------------------------------- |
586 |
|
587 |
DATA GRN /0.33, 0.67/ |
588 |
|
589 |
include 'snwmid.h' |
590 |
DATA SNWALB /.65, .38, .65, .38, |
591 |
* .65, .38, .65, .38, |
592 |
* .65, .38, .65, .38, |
593 |
* .65, .38, .65, .38, |
594 |
* .65, .38, .65, .38, |
595 |
& .65, .38, .65, .38, |
596 |
& .65, .38, .65, .38, |
597 |
& .65, .38, .65, .38, |
598 |
& .80, .60, .80, .60, |
599 |
& .65, .38, .65, .38 |
600 |
` / |
601 |
|
602 |
#if CRAY |
603 |
#if f77 |
604 |
cfpp$ expand (coeff) |
605 |
#endif |
606 |
#if f90 |
607 |
!DIR$ inline always coeff |
608 |
#endif |
609 |
#endif |
610 |
|
611 |
DO 100 I=1,IRUN |
612 |
ALA = MIN (MAX (ZERO, VLAI(I)), ALATRM) |
613 |
LAI = 1 + MAX(0, INT((ALA-BLAI)/DLAI) ) |
614 |
DX = (ALA - (BLAI+(LAI-1)*DLAI)) * (ONE/DLAI) |
615 |
DY = (VGRN(I)- GRN(1)) * (ONE/(GRN(2) - GRN(1))) |
616 |
|
617 |
ALPHA = COEFF (ALVDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
618 |
BETA = COEFF (BTVDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
619 |
GAMMA = COEFF (GMVDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
620 |
|
621 |
AVISDR(I) = ALPHA - ZTH(I)*BETA / (GAMMA+ZTH(I)) |
622 |
AVISDF(I) = ALPHA-BETA |
623 |
* + 2.*BETA*GAMMA*(1.-GAMMA*LOG((1.+GAMMA)/GAMMA)) |
624 |
|
625 |
ALPHA = COEFF (ALIDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
626 |
BETA = COEFF (BTIDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
627 |
GAMMA = COEFF (GMIDR (1, 1, ITYP (I)), NLAI, LAI ,DX, DY) |
628 |
|
629 |
ANIRDR(I) = ALPHA - ZTH(I)*BETA / (GAMMA+ZTH(I)) |
630 |
ANIRDF(I) = ALPHA-BETA |
631 |
* + 2.*BETA*GAMMA*(1.-GAMMA*LOG((1.+GAMMA)/GAMMA)) |
632 |
|
633 |
IF (SNW (I) .GT. ZERO) THEN |
634 |
FAC = SNW(I) / (SNW(I) + SNWMID(ITYP(I))) |
635 |
|
636 |
AVISDR(I) = AVISDR(I) + (SNWALB(1,ITYP(I)) - AVISDR(I)) * FAC |
637 |
ANIRDR(I) = ANIRDR(I) + (SNWALB(2,ITYP(I)) - ANIRDR(I)) * FAC |
638 |
AVISDF(I) = AVISDF(I) + (SNWALB(3,ITYP(I)) - AVISDF(I)) * FAC |
639 |
ANIRDF(I) = ANIRDF(I) + (SNWALB(4,ITYP(I)) - ANIRDF(I)) * FAC |
640 |
ENDIF |
641 |
|
642 |
100 CONTINUE |
643 |
|
644 |
RETURN |
645 |
END |
646 |
FUNCTION COEFF(TABLE, NTABL, LAI ,DX, DY) |
647 |
|
648 |
INTEGER NTABL, LAI |
649 |
|
650 |
REAL TABLE (NTABL, 2), DX, DY |
651 |
|
652 |
COEFF = (TABLE(LAI, 1) |
653 |
* + (TABLE(LAI ,2) - TABLE(LAI ,1)) * DY ) * (1.0-DX) |
654 |
* + (TABLE(LAI+1,1) |
655 |
* + (TABLE(LAI+1,2) - TABLE(LAI+1,1)) * DY ) * DX |
656 |
|
657 |
RETURN |
658 |
END |
659 |
SUBROUTINE GETLGR(sec,IMON,IDAY,ALAT,ITYP,NCHPS,ALAI,AGRN) |
660 |
|
661 |
C********************************************************************* |
662 |
C*********************** ARIES MODEL ******************************* |
663 |
C********************* SUBROUTINE GETLGR **************************** |
664 |
C********************** 14 JUNE 1991 ****************************** |
665 |
C********************************************************************* |
666 |
implicit none |
667 |
|
668 |
integer ntyps |
669 |
real one,daylen |
670 |
PARAMETER (NTYPS=10) |
671 |
parameter (one = 1.) |
672 |
parameter (daylen = 86400.) |
673 |
|
674 |
integer sec, imon, iday, nchps |
675 |
real ALAI(NCHPS), AGRN(NCHPS), ALAT(NCHPS) |
676 |
integer ITYP(NCHPS) |
677 |
|
678 |
integer i,midmon,midm,midp,id,k1,k2,kk1,kk2 |
679 |
real fac |
680 |
|
681 |
INTEGER DAYS(12) |
682 |
DATA DAYS/31,28,31,30,31,30,31,31,30,31,30,31/ |
683 |
|
684 |
|
685 |
REAL VGLA(12,NTYPS), VGGR(12,NTYPS) |
686 |
|
687 |
DATA VGLA / |
688 |
1 5.117, 5.117, 5.117, 5.117, 5.117, 5.117, 5.117, 5.117, |
689 |
1 5.117, 5.117, 5.117, 5.117, |
690 |
2 0.520, 0.520, 0.867, 2.107, 4.507, 6.773, 7.173, 6.507, |
691 |
2 5.040, 2.173, 0.867, 0.520, |
692 |
3 8.760, 9.160, 9.827,10.093,10.360,10.760,10.493,10.227, |
693 |
3 10.093, 9.827, 9.160, 8.760, |
694 |
4 0.782, 0.893, 1.004, 1.116, 1.782, 3.671, 4.782, 4.227, |
695 |
4 2.004, 1.227, 1.004, 0.893, |
696 |
5 3.760, 3.760, 2.760, 1.760, 1.760, 1.760, 1.760, 5.760, |
697 |
5 10.760, 7.760, 4.760, 3.760, |
698 |
6 0.739, 0.739, 0.739, 0.739, 0.739, 1.072, 5.072, 5.739, |
699 |
6 4.405, 0.739, 0.739, 0.739, |
700 |
7 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
701 |
7 0.001, 0.001, 0.001, 0.001, |
702 |
8 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
703 |
8 0.001, 0.001, 0.001, 0.001, |
704 |
9 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
705 |
9 0.001, 0.001, 0.001, 0.001, |
706 |
1 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
707 |
1 0.001, 0.001, 0.001, 0.001 |
708 |
& / |
709 |
|
710 |
|
711 |
DATA VGGR |
712 |
1 /0.905, 0.905, 0.905, 0.905, 0.905, 0.905, 0.905, 0.905, |
713 |
1 0.905, 0.905, 0.905, 0.905, |
714 |
2 0.026, 0.026, 0.415, 0.759, 0.888, 0.925, 0.836, 0.697, |
715 |
2 0.331, 0.166, 0.015, 0.026, |
716 |
3 0.913, 0.917, 0.923, 0.925, 0.927, 0.905, 0.902, 0.913, |
717 |
3 0.898, 0.855, 0.873, 0.913, |
718 |
4 0.568, 0.622, 0.664, 0.697, 0.810, 0.908, 0.813, 0.394, |
719 |
4 0.443, 0.543, 0.553, 0.498, |
720 |
5 0.798, 0.532, 0.362, 0.568, 0.568, 0.568, 0.568, 0.868, |
721 |
5 0.651, 0.515, 0.630, 0.798, |
722 |
6 0.451, 0.451, 0.451, 0.451, 0.451, 0.622, 0.920, 0.697, |
723 |
6 0.076, 0.451, 0.451, 0.451, |
724 |
7 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
725 |
7 0.001, 0.001, 0.001, 0.001, |
726 |
8 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
727 |
8 0.001, 0.001, 0.001, 0.001, |
728 |
9 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
729 |
9 0.001, 0.001, 0.001, 0.001, |
730 |
1 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, 0.001, |
731 |
1 0.001, 0.001, 0.001, 0.001 |
732 |
& / |
733 |
|
734 |
|
735 |
MIDMON = DAYS(IMON)/2 + 1 |
736 |
|
737 |
|
738 |
IF (IDAY .LT. MIDMON) THEN |
739 |
K2 = IMON |
740 |
K1 = MOD(IMON+10,12) + 1 |
741 |
ELSE |
742 |
K1 = IMON |
743 |
K2 = MOD(IMON,12) + 1 |
744 |
ENDIF |
745 |
|
746 |
IF (IDAY .LT. MIDMON) THEN |
747 |
MIDM = DAYS(K1)/2 + 1 |
748 |
MIDP = DAYS(K1) + MIDMON |
749 |
ID = IDAY + DAYS(K1) |
750 |
ELSE |
751 |
MIDM = MIDMON |
752 |
MIDP = DAYS(K2)/2 + 1 + DAYS(K1) |
753 |
ID = IDAY |
754 |
ENDIF |
755 |
|
756 |
FAC = (REAL(ID -MIDM)*DAYLEN + SEC) / |
757 |
* (REAL(MIDP-MIDM)*DAYLEN ) |
758 |
|
759 |
DO 220 I=1,NCHPS |
760 |
|
761 |
IF(ALAT(I).GT.0.) THEN |
762 |
KK1 = K1 |
763 |
KK2 = K2 |
764 |
ELSE |
765 |
KK1 = MOD(K1+5,12) + 1 |
766 |
KK2 = MOD(K2+5,12) + 1 |
767 |
ENDIF |
768 |
|
769 |
ALAI(I) = VGLA(KK2,ITYP(I))*FAC + VGLA(KK1,ITYP(I))*(ONE-FAC) |
770 |
AGRN(I) = VGGR(KK2,ITYP(I))*FAC + VGGR(KK1,ITYP(I))*(ONE-FAC) |
771 |
|
772 |
220 CONTINUE |
773 |
|
774 |
RETURN |
775 |
END |
776 |
|
777 |
subroutine getalb(sec,month,day,cosz,snodep,fraci,fracg, |
778 |
1 im,jm,nchp,nchpland,igrd,ityp,chfr,chlt, |
779 |
2 alai,agrn,albvr,albvf,albnr,albnf) |
780 |
C*********************************************************************** |
781 |
C PURPOSE |
782 |
C To act as an interface to routine sibalb, which calculates |
783 |
C the four albedos for use by the shortwave radiation routine |
784 |
C |
785 |
C INPUT: |
786 |
C sec - number of seconds into the day of current time |
787 |
C month - month of the year of current time |
788 |
C day - day of the month of current time |
789 |
C cosz - local cosine of the zenith angle [im,jm] |
790 |
C snodep - snow cover in meters [nchp] |
791 |
C fraci - real array in grid space of total sea ice fraction [im,jm] |
792 |
C fracg - real array in grid space of total land fraction [im,jm] |
793 |
C im - model grid longitude dimension |
794 |
C jm - model grid latitude dimension (number of lat. points) |
795 |
C nchp - integer actual number of tiles in tile space |
796 |
C nchpland - integer number of land tiles |
797 |
C igrd - integer array in tile space of grid point number for each |
798 |
C tile [nchp] |
799 |
C ityp - integer array in tile space of land surface type for each |
800 |
C tile [nchp] |
801 |
C chfr - real array in tile space of land surface type fraction for |
802 |
C each tile [nchp] |
803 |
C chlt - real array in tile space of latitude value for each tile |
804 |
C [nchp] |
805 |
C |
806 |
C OUTPUT: |
807 |
C albvr - real array [im,jm] of visible direct beam albedo |
808 |
C albvf - real array [im,jm] of visible diffuse beam albedo |
809 |
C albnr - real array [im,jm] of near-ir direct beam albedo |
810 |
C albnf - real array [im,jm] of near-ir diffuse beam albedo |
811 |
C |
812 |
C*********************************************************************** |
813 |
implicit none |
814 |
real one,a0,a1,a2,a3,ocnalb,albsi |
815 |
PARAMETER (one = 1.) |
816 |
PARAMETER (A0= 0.40670980) |
817 |
PARAMETER (A1=-1.2523634 ) |
818 |
PARAMETER (A2= 1.4224051 ) |
819 |
PARAMETER (A3=-0.55573341) |
820 |
PARAMETER (OCNALB=0.08) |
821 |
ccc PARAMETER (ALBSI=0.6) |
822 |
PARAMETER (ALBSI=0.7) ! Increased to GEOS-1 Value (0.7) L.Takacs 4/2/96 |
823 |
|
824 |
integer sec,month,day,im,jm,nchp,nchpland |
825 |
real cosz(im,jm),fraci(im,jm),fracg(im,jm) |
826 |
real snodep(nchp),chfr(nchp),chlt(nchp) |
827 |
integer igrd(nchp),ityp(nchp) |
828 |
real albvr(im,jm),albvf(im,jm),albnr(im,jm) |
829 |
real albnf(im,jm) |
830 |
|
831 |
real alboc(im,jm) |
832 |
real AVISDR(nchp),ANIRDR(nchp),AVISDF(nchp) |
833 |
real ANIRDF(nchp),zenith(nchp) |
834 |
real alai(nchp),agrn(nchp) |
835 |
integer i,j |
836 |
|
837 |
DO I=1,IM |
838 |
DO J=1,JM |
839 |
ALBOC(I,J) = A0 + (A1 + (A2 + A3*cosz(I,J))*cosz(I,J))*cosz(I,J) |
840 |
ALBVR(I,J) = ALBSI * FRACI(I,J) + ALBOC(I,J) * (ONE-FRACI(I,J)) |
841 |
ALBNR(I,J) = ALBVR(I,J) |
842 |
ALBVF(I,J) = ALBSI * FRACI(I,J) + OCNALB * (ONE-FRACI(I,J)) |
843 |
ALBNF(I,J) = ALBVF(I,J) |
844 |
ENDDO |
845 |
ENDDO |
846 |
|
847 |
|
848 |
C and now some conversions from grid space to tile space before sibalb |
849 |
|
850 |
call grd2msc(cosz,im,jm,igrd,zenith,nchp,nchpland) |
851 |
|
852 |
C and now call sibalb |
853 |
|
854 |
call sibalb(avisdr,anirdr,avisdf,anirdf,alai,agrn,zenith, |
855 |
1 snodep,ityp,nchpland) |
856 |
|
857 |
C finally some transformations back to grid space for albedos |
858 |
|
859 |
call msc2grd(igrd,chfr,avisdr,nchp,nchpland,fracg,albvr,im,jm) |
860 |
call msc2grd(igrd,chfr,avisdf,nchp,nchpland,fracg,albvf,im,jm) |
861 |
call msc2grd(igrd,chfr,anirdr,nchp,nchpland,fracg,albnr,im,jm) |
862 |
call msc2grd(igrd,chfr,anirdf,nchp,nchpland,fracg,albnf,im,jm) |
863 |
|
864 |
return |
865 |
end |
866 |
|
867 |
subroutine getemiss (fracg,im,jm,nchp,igrd,ityp,chfr,snowdep,fraci,emiss) |
868 |
C*********************************************************************** |
869 |
C PURPOSE |
870 |
C To act as an interface to routine to emissivity, which calculates |
871 |
C ten bands of surface emissivities for use by the longwave radiation |
872 |
C |
873 |
C INPUT: |
874 |
C fracg - real array in grid space of total land fraction [im,jm] |
875 |
C im - model grid longitude dimension |
876 |
C jm - model grid latitude dimension (number of lat. points) |
877 |
C nchp - integer actual number of tiles in tile space |
878 |
C igrd - integer array in tile space of grid point number for each |
879 |
C tile [nchp] |
880 |
C ityp - integer array in tile space of land surface type for each |
881 |
C tile [nchp] |
882 |
C chfr - real array in tile space of land surface type fraction for |
883 |
C each tile [nchp] |
884 |
C snowdep - real array in tile space of snow depth (liquid water equiv) |
885 |
C in mm [nchp] |
886 |
C fraci - real array in tile space of sea ice fraction [nchp] |
887 |
C |
888 |
C OUTPUT: |
889 |
C emiss - real array [im,jm,10] of surface emissivities (fraction) |
890 |
C |
891 |
C*********************************************************************** |
892 |
implicit none |
893 |
integer im,jm,nchp |
894 |
real fracg(im,jm) |
895 |
real chfr(nchp) |
896 |
integer igrd(nchp), ityp(nchp) |
897 |
real snowdep(nchp),fraci(nchp) |
898 |
real emiss(im,jm,10) |
899 |
|
900 |
real emisstile(nchp,10) |
901 |
integer i,n |
902 |
|
903 |
do i = 1,10 |
904 |
do n = 1,nchp |
905 |
emisstile(n,i) = 1. |
906 |
enddo |
907 |
enddo |
908 |
|
909 |
c call emissivity to get values in tile space |
910 |
c ------------------------------------------- |
911 |
call emissivity (snowdep,fraci,nchp,ityp,emisstile) |
912 |
|
913 |
c transform back to grid space for emissivities |
914 |
c --------------------------------------------- |
915 |
do i = 1,10 |
916 |
emiss(:,:,i) = 0.0 |
917 |
call msc2grd (igrd,chfr,emisstile(1,i),nchp,nchp,fracg,emiss(1,1,i),im,jm) |
918 |
enddo |
919 |
|
920 |
return |
921 |
end |
922 |
|
923 |
subroutine emissivity (snowdepth,fraci,numpts,ityp,newemis) |
924 |
implicit none |
925 |
integer numpts |
926 |
integer ityp(numpts) |
927 |
real snowdepth(numpts),fraci(numpts) |
928 |
real newemis(numpts,10) |
929 |
|
930 |
real emis(12,11) |
931 |
real snwmid(10) |
932 |
real fac |
933 |
integer i,j |
934 |
|
935 |
c----------------------------------------------------------------------- |
936 |
c NOTE: Emissivities were obtained for the following surface types: |
937 |
c ( 1) evergreen needleleaf = conifer |
938 |
c ( 2) evergreen broadleaf = conifer |
939 |
c ( 3) deciduous needleleaf = deciduous |
940 |
c ( 4) deciduous broadleaf = deciduous |
941 |
c ( 5) mixed forests = 1/2 conifer + 1/2 deciduous = tree |
942 |
c ( 6) closed shrublands = 3/4 tree + 1/4 quartz |
943 |
c ( 7) open shrubland = 1/4 tree + 3/4 quartz |
944 |
c ( 8) woody savannas = grass |
945 |
c ( 9) savannas = grass |
946 |
c (10) grasslands = grass |
947 |
c (11) permanent wetlands = 1/2 grass + 1/2 water |
948 |
c (12) croplands = grass |
949 |
c (13) urban = black body |
950 |
c (14) mosaic = 1/2 grass + 1/2 mixed forest |
951 |
c (15) snow/ice |
952 |
c (16) barren/sparsely vegetated = desert(quartz) |
953 |
c (17) water |
954 |
c (18) tundra = frost |
955 |
c |
956 |
c NOTE: Translation to Koster-Suarez surface types was as follows: |
957 |
c ( 1) broadleaf evergreen FROM above type 1 (conifer) |
958 |
c ( 2) broadleaf deciduous FROM above type 2 (deciduous) |
959 |
c ( 3) needleleaf evergreen FROM above type 1 (conifer) |
960 |
c ( 4) groundcover FROM above type 10 (grass) |
961 |
c ( 5) broadleaf shrubs FROM above type 6 (closed shrublands) |
962 |
c ( 6) dwarf trees (tundra) FROM above type 18 (tundra) |
963 |
c ( 7) bare soil FROM above type 16 (desert) |
964 |
c ( 8) light desert FROM above type 16 (desert) |
965 |
c ( 9) glacier FROM above type 15 (snow/ice) |
966 |
c ( 10) dark desert FROM above type 16 (desert) |
967 |
c (100) ocean FROM above type 17 (water) |
968 |
c |
969 |
c NOTE: snow-covered ground uses interpolated emissivities based on snow depth |
970 |
c ============================================================================= |
971 |
c ----------------------------------------------------------------------------- |
972 |
c Emmissivities for 12 bands in Fu/Liou |
973 |
c band 1: 4.5 - 5.3 um |
974 |
c band 2: 5.3 - 5.9 um |
975 |
c band 3: 5.9 - 7.1 um |
976 |
c band 4: 7.1 - 8.0 um |
977 |
c band 5: 8.0 - 9.1 um |
978 |
c band 6: 9.1 - 10.2 um |
979 |
c band 7: 10.2 - 12.5 um |
980 |
c band 8: 12.5 - 14.9 um |
981 |
c band 9: 14.9 - 18.5 um |
982 |
c band 10: 18.5 - 25.0 um |
983 |
c band 11: 25.0 - 35.7 um |
984 |
c band 12: 35.7 - oo um |
985 |
c |
986 |
c------------------------------------------------------------------------- |
987 |
data ((emis(i,j),i=1,12),j=1,11) / |
988 |
& 0.9891, 0.9892, 0.9900, 0.9914, 0.9908, 0.9903, ! evergreen needleleaf |
989 |
& 0.9898, 0.9948, 1.0000, 1.0000, 1.0000, 1.0000, |
990 |
& 0.9849, 0.9856, 0.9841, 0.9831, 0.9789, 0.9805, ! deciduous needleleaf |
991 |
& 0.9733, 0.9869, 1.0000, 1.0000, 1.0000, 1.0000, |
992 |
& 0.9891, 0.9892, 0.9900, 0.9914, 0.9908, 0.9903, ! evergreen needleleaf |
993 |
& 0.9898, 0.9948, 1.0000, 1.0000, 1.0000, 1.0000, |
994 |
& 0.9867, 0.9897, 0.9920, 0.9933, 0.9830, 0.9752, ! grasslands |
995 |
& 0.9853, 0.9928, 1.0000, 1.0000, 1.0000, 1.0000, |
996 |
& 0.9490, 0.9697, 0.9738, 0.9712, 0.9474, 0.9582, ! closed shrublands |
997 |
& 0.9663, 0.9747, 0.9836, 0.9836, 0.9836, 0.9836, |
998 |
& 0.9469, 0.9670, 0.9883, 0.9795, 0.9751, 0.9767, ! tundra |
999 |
& 0.9920, 0.9888, 0.9888, 0.9888, 0.9888, 0.9888, |
1000 |
& 0.8353, 0.9163, 0.9342, 0.9229, 0.8354, 0.8766, ! barren |
1001 |
& 0.9210, 0.9262, 0.9345, 0.9345, 0.9345, 0.9345, |
1002 |
& 0.8353, 0.9163, 0.9342, 0.9229, 0.8354, 0.8766, ! barren |
1003 |
& 0.9210, 0.9262, 0.9345, 0.9345, 0.9345, 0.9345, |
1004 |
& 0.9998, 0.9998, 0.9998, 0.9998, 0.9998, 0.9999, ! snow/ice |
1005 |
& 0.9997, 0.9994, 0.9995, 0.9995, 0.9995, 0.9995, |
1006 |
& 0.8353, 0.9163, 0.9342, 0.9229, 0.8354, 0.8766, ! barren |
1007 |
& 0.9210, 0.9262, 0.9345, 0.9345, 0.9345, 0.9345, |
1008 |
& 0.9788, 0.9833, 0.9819, 0.9820, 0.9835, 0.9865, ! water |
1009 |
& 0.9886, 0.9719, 0.9719, 0.9719, 0.9719, 0.9719/ |
1010 |
|
1011 |
include 'snwmid.h' |
1012 |
|
1013 |
c Convert to the 10 bands needed by Chou Radiation |
1014 |
c ------------------------------------------------ |
1015 |
do i=1,numpts |
1016 |
|
1017 |
c land points |
1018 |
c------------ |
1019 |
if(ityp(i).le.10)then |
1020 |
newemis(i, 1) = (emis( 1,ityp(i))+emis(2,ityp(i)))/2. |
1021 |
newemis(i, 2) = (emis( 2,ityp(i))+emis(3,ityp(i)))/2. |
1022 |
newemis(i, 3) = (emis( 4,ityp(i))+emis(5,ityp(i)))/2. |
1023 |
newemis(i, 4) = emis( 6,ityp(i)) |
1024 |
newemis(i, 5) = emis( 7,ityp(i)) |
1025 |
newemis(i, 6) = emis( 8,ityp(i)) |
1026 |
newemis(i, 7) = emis( 9,ityp(i)) |
1027 |
newemis(i, 8) = (emis(10,ityp(i))+emis(11,ityp(i)))/2. |
1028 |
newemis(i, 9) = emis(12,ityp(i)) |
1029 |
newemis(i,10) = emis( 4,ityp(i)) |
1030 |
|
1031 |
c modify emissivity for snow based on snow depth (like albedo) |
1032 |
c------------------------------------------------------------- |
1033 |
if(snowdepth (i).gt.0.) then |
1034 |
fac = snowdepth(i) / (snowdepth(i) + snwmid(ityp(i))) |
1035 |
newemis(i, 1) = newemis(i, 1) + (((emis( 1,9)+emis( 2,9))/2.) - newemis(i, 1)) * fac |
1036 |
newemis(i, 2) = newemis(i, 2) + (((emis( 2,9)+emis( 3,9))/2.) - newemis(i, 2)) * fac |
1037 |
newemis(i, 3) = newemis(i, 3) + (((emis( 4,9)+emis( 5,9))/2.) - newemis(i, 3)) * fac |
1038 |
newemis(i, 4) = newemis(i, 4) + (emis( 6,9) - newemis(i, 4)) * fac |
1039 |
newemis(i, 5) = newemis(i, 5) + (emis( 7,9) - newemis(i, 5)) * fac |
1040 |
newemis(i, 6) = newemis(i, 6) + (emis( 8,9) - newemis(i, 6)) * fac |
1041 |
newemis(i, 7) = newemis(i, 7) + (emis( 9,9) - newemis(i, 7)) * fac |
1042 |
newemis(i, 8) = newemis(i, 8) + (((emis(10,9)+emis(11,9))/2.) - newemis(i, 8)) * fac |
1043 |
newemis(i, 9) = newemis(i, 9) + (emis(12,9) - newemis(i, 9)) * fac |
1044 |
newemis(i,10) = newemis(i,10) + (emis( 4,9) - newemis(i,10)) * fac |
1045 |
endif |
1046 |
|
1047 |
c open water |
1048 |
c----------- |
1049 |
else |
1050 |
if(fraci(i).eq.0.)then |
1051 |
newemis(i, 1) = (emis( 1,11)+emis(2,11))/2. |
1052 |
newemis(i, 2) = (emis( 2,11)+emis(3,11))/2. |
1053 |
newemis(i, 3) = (emis( 4,11)+emis(5,11))/2. |
1054 |
newemis(i, 4) = emis( 6,11) |
1055 |
newemis(i, 5) = emis( 7,11) |
1056 |
newemis(i, 6) = emis( 8,11) |
1057 |
newemis(i, 7) = emis( 9,11) |
1058 |
newemis(i, 8) = (emis(10,11)+emis(11,11))/2. |
1059 |
newemis(i, 9) = emis(12,11) |
1060 |
newemis(i,10) = emis( 4,11) |
1061 |
|
1062 |
c sea ice (like glacier and snow) |
1063 |
c-------------------------------- |
1064 |
else |
1065 |
newemis(i, 1) = (emis( 1,9)+emis(2,9))/2. |
1066 |
newemis(i, 2) = (emis( 2,9)+emis(3,9))/2. |
1067 |
newemis(i, 3) = (emis( 4,9)+emis(5,9))/2. |
1068 |
newemis(i, 4) = emis( 6,9) |
1069 |
newemis(i, 5) = emis( 7,9) |
1070 |
newemis(i, 6) = emis( 8,9) |
1071 |
newemis(i, 7) = emis( 9,9) |
1072 |
newemis(i, 8) = (emis(10,9)+emis(11,9))/2. |
1073 |
newemis(i, 9) = emis(12,9) |
1074 |
newemis(i,10) = emis( 4,9) |
1075 |
endif |
1076 |
endif |
1077 |
enddo |
1078 |
|
1079 |
return |
1080 |
end |