1 | ! This subrutine is addressing the Carbon allocation for crops in combination with STICS |
---|
2 | ! Author: Xiuchen Wu |
---|
3 | ! Date: 1/08/2013 |
---|
4 | |
---|
5 | module crop_alloc |
---|
6 | |
---|
7 | ! use modules |
---|
8 | |
---|
9 | USE ioipsl |
---|
10 | USE pft_parameters |
---|
11 | USE constantes |
---|
12 | USE netcdf |
---|
13 | |
---|
14 | IMPLICIT NONE |
---|
15 | |
---|
16 | CONTAINS |
---|
17 | |
---|
18 | subroutine crop_bmalloc(in_cycle, & |
---|
19 | deltai, & |
---|
20 | dltaisen, & |
---|
21 | ssla, & |
---|
22 | pgrain, & |
---|
23 | deltgrain, & |
---|
24 | reprac, & |
---|
25 | nger, & |
---|
26 | nlev, & |
---|
27 | ndrp, & |
---|
28 | nlax, & ! input |
---|
29 | nrec, & |
---|
30 | bm_alloc_tot, & ! input |
---|
31 | biomass, & |
---|
32 | c_reserve, & ! out |
---|
33 | c_leafb, & ! out |
---|
34 | bm_alloc, & ! inout |
---|
35 | P_densitesem, & |
---|
36 | P_pgrainmaxi, & |
---|
37 | P_tigefeuil, & |
---|
38 | P_slamax, & |
---|
39 | slai) ! parameter |
---|
40 | |
---|
41 | !USE ioipsl |
---|
42 | !USE pft_parameters |
---|
43 | !USE constantes |
---|
44 | |
---|
45 | ! Declaration part |
---|
46 | |
---|
47 | ! 0.0 INPUT PART |
---|
48 | LOGICAL, INTENT(IN) :: in_cycle |
---|
49 | REAL(r_std), INTENT(IN) :: deltai ! lai increment // unit in m2 m-2 |
---|
50 | REAL(r_std), INTENT(IN) :: dltaisen ! lai senescence // unit in m2 m-2 |
---|
51 | REAL(r_std), INTENT(IN) :: ssla ! sla from STICS // unit in g cm -2 |
---|
52 | REAL(r_std), INTENT(IN) :: pgrain ! weight per grain (dry matter, but not carbon) // g |
---|
53 | REAL(r_std), INTENT(IN) :: deltgrain ! grain yield increment (dry matter but not carbon) // unit g c / m2 |
---|
54 | REAL(r_std), INTENT(IN) :: reprac |
---|
55 | INTEGER(i_std), INTENT(IN) :: nger |
---|
56 | INTEGER(i_std), INTENT(IN) :: nlev |
---|
57 | INTEGER(i_std), INTENT(IN) :: ndrp |
---|
58 | INTEGER(i_std), INTENT(IN) :: nlax |
---|
59 | INTEGER(i_std), INTENT(IN) :: nrec |
---|
60 | REAL(r_std), INTENT(IN) :: bm_alloc_tot ! unit in g m-2 |
---|
61 | REAL(r_std), INTENT(IN) :: P_densitesem |
---|
62 | REAL(r_std), INTENT(IN) :: P_pgrainmaxi |
---|
63 | REAL(r_std), INTENT(IN) :: P_tigefeuil |
---|
64 | REAL(r_std), INTENT(IN) :: P_slamax |
---|
65 | |
---|
66 | REAL(r_std), DIMENSION(nparts), INTENT(INOUT) :: biomass ! unit in g m-2 |
---|
67 | |
---|
68 | ! 1.0 INOUT PART |
---|
69 | |
---|
70 | REAL(r_std), INTENT(INOUT) ::c_reserve ! crop reserve |
---|
71 | REAL(r_std), INTENT(INOUT) ::c_leafb ! crop leaf biomass derived from STICS |
---|
72 | REAL(r_std), INTENT(INOUT) ::slai ! stics simulated lai |
---|
73 | |
---|
74 | REAL(r_std), DIMENSION(nparts), INTENT(INOUT) ::bm_alloc ! crop leaf biomass derived from STICS |
---|
75 | |
---|
76 | ! 2.0 local |
---|
77 | REAL :: grainrem ! daily grain minus reservoir, the remaining carbon |
---|
78 | REAL :: deltmagrain ! daily grain/ (unit in carbon) |
---|
79 | INTEGER :: ipart |
---|
80 | |
---|
81 | |
---|
82 | ! Part one: conversion from biomass(dry matter) to carbon |
---|
83 | deltmagrain = deltgrain*0.48 |
---|
84 | |
---|
85 | ! STRATEGY: |
---|
86 | ! We keep the leaf biomass, grain and reprac from STICS |
---|
87 | ! Total available biomass for allocation is dltams and cropreserv. |
---|
88 | |
---|
89 | !IF (bavard .GE. 3) WRITE(numout,*) 'Entering crop alloc' |
---|
90 | |
---|
91 | ! 1. whether or not necessary to enter into this process |
---|
92 | |
---|
93 | if (.not. in_cycle) return ! if not yet into the crop cycle or finish the cycle |
---|
94 | |
---|
95 | ! 1. initialize the bm_alloc (biomass allocation) |
---|
96 | ! |
---|
97 | |
---|
98 | bm_alloc(:) = 0. ! 8 parts |
---|
99 | |
---|
100 | ! 2. leaf biomass from STICS |
---|
101 | ! in this subroutine, we USED the Leaf biomass and GRAIN yield, the leaf biomass and grain production is adjusted accoring to different stages (in detail see leaf and grain processes) |
---|
102 | |
---|
103 | c_leafb = 0. |
---|
104 | if (in_cycle) then |
---|
105 | if (deltai > 0.) then ! just for leaf growth period |
---|
106 | c_leafb = deltai/ssla*10000.0*0.48 |
---|
107 | else |
---|
108 | c_leafb = 0. |
---|
109 | endif |
---|
110 | else |
---|
111 | c_leafb = 0. |
---|
112 | endif |
---|
113 | |
---|
114 | |
---|
115 | ! 3. reinitialization of leaf and fruit biomass |
---|
116 | |
---|
117 | bm_alloc(ileaf) = c_leafb |
---|
118 | bm_alloc(ifruit)= deltmagrain |
---|
119 | !bm_alloc(icarbres) = c_reserve |
---|
120 | |
---|
121 | |
---|
122 | ! 4. real allocation for each grid and each pft |
---|
123 | |
---|
124 | ! STRATEGY: |
---|
125 | ! 1. carbon allocation priority is different for different parts; |
---|
126 | ! 2. even for the same pool, the priority is changing along with time (stage revolution) |
---|
127 | |
---|
128 | ! 3.1 FOR STAGE [nger, nlev] |
---|
129 | |
---|
130 | ! the c_reserve starts to decreasing because the root growth |
---|
131 | ! and we allocate all carbon into root |
---|
132 | |
---|
133 | if ((nger .gt. 0) .and. (nlev .eq. 0)) then ! germination occured but did not emerge, during this stage only root and reserve pools |
---|
134 | if ( biomass(icarbres) > 0.) then ! adjust the reserve dynamics |
---|
135 | ! addressing the c_reserve dynamics |
---|
136 | bm_alloc(iroot) = biomass(icarbres)*reprac |
---|
137 | bm_alloc(icarbres) = 0. - biomass(icarbres)*reprac |
---|
138 | else |
---|
139 | !c_reserve = 0. |
---|
140 | bm_alloc(icarbres) = 0. |
---|
141 | bm_alloc(iroot) = 0. |
---|
142 | endif |
---|
143 | endif |
---|
144 | |
---|
145 | ! 3.2 FOR STAGE [NLEV, NDRP] |
---|
146 | if ((nlev .gt. 0) .and. (ndrp .eq. 0)) then |
---|
147 | ! emergence and photosynthese, whereas grain is not filling |
---|
148 | ! in this stage, we keep the leaf and grain biomass |
---|
149 | ! root with the higher priority |
---|
150 | |
---|
151 | ! in this stage, the allocation of leaf and root is with higher priority |
---|
152 | bm_alloc(ileaf) = c_leafb |
---|
153 | bm_alloc(iroot) = reprac*bm_alloc_tot ! root biomass |
---|
154 | !bm_alloc(icarbres) = c_reserve |
---|
155 | |
---|
156 | if (c_leafb >= bm_alloc_tot) then |
---|
157 | |
---|
158 | if (biomass(icarbres) >= (c_leafb - bm_alloc_tot )) then ! enough for leaf and root |
---|
159 | bm_alloc(ileaf) = c_leafb |
---|
160 | !c_reserve = c_reserve - (c_leafb - bm_alloc_tot) ! leaf with the highest priority |
---|
161 | bm_alloc(icarbres) = 0. - (c_leafb - bm_alloc_tot) |
---|
162 | else |
---|
163 | bm_alloc(ileaf) = bm_alloc_tot + biomass(icarbres) |
---|
164 | !c_reserve = 0. |
---|
165 | bm_alloc(icarbres) = 0. - biomass(icarbres) |
---|
166 | end if ! keep the leaf biomass |
---|
167 | |
---|
168 | ! judge the remaining c_reserve |
---|
169 | ! if (biomass(icarbres) > reprac*bm_alloc_tot) then |
---|
170 | !!!!!! xuhui: it forgot to consider the previously leaf removed carbon from the reserve |
---|
171 | if ( (biomass(icarbres)+bm_alloc(icarbres)) > reprac*bm_alloc_tot) then |
---|
172 | bm_alloc(iroot) = reprac*bm_alloc_tot |
---|
173 | !c_reserve = c_reserve - bm_alloc(iroot) |
---|
174 | ! bm_alloc(icarbres) = 0. - reprac*bm_alloc_tot |
---|
175 | !!!!!! xuhui: again, need to include the leaf removal from the carbon reserve |
---|
176 | bm_alloc(icarbres) = bm_alloc(icarbres) - reprac*bm_alloc_tot |
---|
177 | |
---|
178 | else |
---|
179 | !bm_alloc(iroot) = biomass(icarbres) |
---|
180 | !!!!!! xuhui: again, need to include the leaf removal already |
---|
181 | bm_alloc(iroot) = biomass(icarbres) + bm_alloc(icarbres) |
---|
182 | !c_reserve = 0. |
---|
183 | bm_alloc(icarbres) = 0. - biomass(icarbres) |
---|
184 | endif |
---|
185 | |
---|
186 | else if ((bm_alloc(ileaf) + bm_alloc(iroot)) > bm_alloc_tot) then ! leaf is with higher priority |
---|
187 | if (biomass(icarbres) >= (bm_alloc(ileaf) + bm_alloc(iroot)- bm_alloc_tot)) then |
---|
188 | bm_alloc(ileaf) = c_leafb |
---|
189 | bm_alloc(iroot) = reprac*bm_alloc_tot |
---|
190 | !c_reserve = c_reserve - (bm_alloc(ileaf) + bm_alloc(iroot)-bm_alloc_tot) |
---|
191 | bm_alloc(icarbres) = 0. - (bm_alloc(ileaf) + bm_alloc(iroot)- bm_alloc_tot) |
---|
192 | else |
---|
193 | bm_alloc(ileaf) = c_leafb |
---|
194 | bm_alloc(iroot) = bm_alloc_tot - bm_alloc(ileaf) + biomass(icarbres) |
---|
195 | !c_reserve = 0. |
---|
196 | bm_alloc(icarbres) = 0. - biomass(icarbres) |
---|
197 | endif |
---|
198 | !else if ((bm_alloc(ileaf) + bm_alloc(iroot) + bm_alloc(ifruit)) >= bm_alloc_tot) then |
---|
199 | ! |
---|
200 | ! bm_alloc(ileaf) = c_leafb |
---|
201 | ! bm_alloc(iroot) = reprac*bm_alloc_tot |
---|
202 | ! bm_alloc(ifruit) = bm_alloc_tot-bm_alloc(iroot)-bm_alloc(ileaf) |
---|
203 | ! bm_alloc(ifruit) = max(0., bm_alloc(ifruit)) |
---|
204 | else ! |
---|
205 | bm_alloc(isapabove) = bm_alloc_tot -bm_alloc(ileaf) - bm_alloc(iroot) |
---|
206 | bm_alloc(icarbres) = 0. |
---|
207 | endif |
---|
208 | endif |
---|
209 | |
---|
210 | |
---|
211 | ! 3.3 STAGE [ndrp nlax] |
---|
212 | ! in this stage, the allocation of leaf and grain is with higher priority |
---|
213 | ! second, root and sapwoodabove |
---|
214 | ! at the same times, we put some parts into reserve |
---|
215 | |
---|
216 | if ((ndrp > 0) .and. (nlax == 0)) then ! from frain filling to lai plateau |
---|
217 | |
---|
218 | ! in this stage the c_reserve should used out |
---|
219 | if ( biomass(icarbres) > 0. ) then |
---|
220 | bm_alloc(isapabove) = biomass(icarbres) |
---|
221 | bm_alloc(icarbres) = 0. - biomass(icarbres) ! in this stage, the carbon reserve should be used out. |
---|
222 | endif |
---|
223 | |
---|
224 | ! initilize the values |
---|
225 | bm_alloc(iroot) = reprac*bm_alloc_tot |
---|
226 | !bm_alloc(icarbres) = P_densitesem*pgrain ! original reserve fraction |
---|
227 | |
---|
228 | !if (bm_alloc(ileaf) >= bm_alloc_tot) then |
---|
229 | if (bm_alloc(ifruit) >= bm_alloc_tot) then |
---|
230 | bm_alloc(ileaf) = 0. |
---|
231 | bm_alloc(ifruit) = deltmagrain ! keep the grain yield |
---|
232 | bm_alloc(iroot) = 0. - (deltmagrain - bm_alloc_tot)*reprac |
---|
233 | bm_alloc(isapabove) = 0. - (deltmagrain - bm_alloc_tot)*(1.0 - reprac) |
---|
234 | bm_alloc(icarbres) = 0. |
---|
235 | else if ((bm_alloc(ileaf)+ bm_alloc(ifruit)) >= bm_alloc_tot) then ! |
---|
236 | bm_alloc(ifruit) = deltmagrain !bm_alloc_tot - bm_alloc(ileaf) |
---|
237 | bm_alloc(ileaf) = bm_alloc_tot - bm_alloc(ifruit) ! remaining |
---|
238 | bm_alloc(iroot) = 0. |
---|
239 | bm_alloc(isapabove) = 0. |
---|
240 | bm_alloc(icarbres) = 0. |
---|
241 | else if ((bm_alloc(ileaf)+ bm_alloc(ifruit) + bm_alloc(iroot)) >= bm_alloc_tot) then |
---|
242 | bm_alloc(ifruit) = deltmagrain |
---|
243 | bm_alloc(ileaf) = c_leafb |
---|
244 | bm_alloc(iroot) = bm_alloc_tot - bm_alloc(ifruit)-bm_alloc(ileaf) |
---|
245 | bm_alloc(icarbres) = 0. |
---|
246 | bm_alloc(isapabove) = 0. |
---|
247 | !else if ((bm_alloc(ileaf)+ bm_alloc(ifruit) + bm_alloc(iroot) + bm_alloc(icarbres)) >= bm_alloc_tot) then |
---|
248 | ! ! that means there is some remainings after allocating carbon to leaf, grain, and reserve. |
---|
249 | ! bm_alloc(icarbres) = bm_alloc_tot - bm_alloc(ileaf)- bm_alloc(ifruit)-bm_alloc(iroot) |
---|
250 | else |
---|
251 | bm_alloc(ifruit) = deltmagrain |
---|
252 | bm_alloc(ileaf) = c_leafb |
---|
253 | bm_alloc(iroot) = reprac*bm_alloc_tot |
---|
254 | !bm_alloc(icarbres) = P_densitesem*pgrain |
---|
255 | bm_alloc(isapabove) = bm_alloc_tot-bm_alloc(ileaf)- bm_alloc(ifruit)- bm_alloc(iroot) |
---|
256 | endif |
---|
257 | endif |
---|
258 | |
---|
259 | |
---|
260 | ! 3.4 STAGE [nlax nrec] |
---|
261 | ! in this stage, the allocation of leaf is 0. Whereas, the allocation of grain and reserve is with higher priority |
---|
262 | ! grain |
---|
263 | ! sapwood |
---|
264 | ! root |
---|
265 | |
---|
266 | if ((nlax > 0) .and. (nrec == 0)) then ! from lai plateau to harvest |
---|
267 | ! initilize the values |
---|
268 | !bm_alloc(ifruit) = magrain ! fruit fraction |
---|
269 | !bm_alloc(icarbres) = P_densitesem*pgrain ! original reserve fraction |
---|
270 | !bm_alloc(ileaf) = c_leafb ! leaf fraction |
---|
271 | bm_alloc(iroot) = reprac*bm_alloc_tot |
---|
272 | |
---|
273 | if (bm_alloc(ifruit) >= bm_alloc_tot) then ! highest priority |
---|
274 | bm_alloc(ifruit) = deltmagrain |
---|
275 | bm_alloc(icarbres) = 0. |
---|
276 | bm_alloc(ileaf) = 0. |
---|
277 | bm_alloc(iroot) = 0. - (deltmagrain - bm_alloc_tot)*reprac |
---|
278 | bm_alloc(isapabove) = 0. - (deltmagrain - bm_alloc_tot)*(1.0 - reprac) |
---|
279 | !else if ((bm_alloc(ifruit) + bm_alloc(icarbres)) >= bm_alloc_tot) then ! former |
---|
280 | else if ((bm_alloc(ifruit) + bm_alloc(iroot)) >= bm_alloc_tot) then ! |
---|
281 | bm_alloc(iroot) = bm_alloc_tot - bm_alloc(ifruit) |
---|
282 | bm_alloc(ileaf) = 0. |
---|
283 | bm_alloc(icarbres) = 0. |
---|
284 | ! else if ((bm_alloc(ifruit) + bm_alloc(icarbres) + bm_alloc(iroot))>= bm_alloc_tot) then |
---|
285 | ! bm_alloc(iroot) = bm_alloc_tot- bm_alloc(ifruit)-bm_alloc(icarbres) |
---|
286 | ! bm_alloc(ileaf) = 0. |
---|
287 | ! else if ((bm_alloc(ifruit) + bm_alloc(icarbres) + bm_alloc(iroot) + bm_alloc(ileaf)) >= bm_alloc_tot) then |
---|
288 | ! ! that means there is some remainings after allocating carbon to leaf, grain and reserve. |
---|
289 | ! bm_alloc(ileaf) = bm_alloc_tot- bm_alloc(ifruit)-bm_alloc(icarbres)-bm_alloc(iroot) |
---|
290 | else |
---|
291 | ! that means NPP is enough, we |
---|
292 | !bm_alloc(isapabove) =bm_alloc_tot- bm_alloc(ifruit)-bm_alloc(icarbres)-bm_alloc(iroot) - bm_alloc(ileaf) |
---|
293 | !bm_alloc(isapabove) =bm_alloc_tot- bm_alloc(ifruit)-bm_alloc(iroot) |
---|
294 | bm_alloc(isapabove) =bm_alloc_tot- bm_alloc(ifruit)-bm_alloc(iroot) |
---|
295 | endif |
---|
296 | endif |
---|
297 | |
---|
298 | ! 3.5 STAGE [When nrec occur] |
---|
299 | ! when harvest, we alloc some carbon into reservoire pool |
---|
300 | |
---|
301 | if ( nrec /= 0 ) then ! harvest occurs |
---|
302 | bm_alloc(iroot) = reprac*bm_alloc_tot |
---|
303 | if (bm_alloc(ifruit) >= bm_alloc_tot) then |
---|
304 | bm_alloc(ifruit) = deltmagrain |
---|
305 | bm_alloc(icarbres) = 0. |
---|
306 | bm_alloc(ileaf) = 0. |
---|
307 | bm_alloc(iroot) = 0. - (deltmagrain - bm_alloc_tot)*reprac |
---|
308 | bm_alloc(isapabove) = 0. - (deltmagrain - bm_alloc_tot)*(1.0 - reprac) |
---|
309 | else if ((bm_alloc(ifruit) + bm_alloc(iroot)) >= bm_alloc_tot) then |
---|
310 | bm_alloc(iroot) = bm_alloc_tot - bm_alloc(ifruit) |
---|
311 | bm_alloc(ileaf) = 0. |
---|
312 | bm_alloc(icarbres) = 0. |
---|
313 | else |
---|
314 | bm_alloc(isapabove) =bm_alloc_tot- bm_alloc(ifruit)-bm_alloc(iroot) |
---|
315 | endif |
---|
316 | ! but we have to put some carbon into reserve (seeds for the next year) |
---|
317 | c_reserve = P_densitesem*pgrain*0.48 ! seeds |
---|
318 | biomass(ifruit) = biomass(ifruit) - c_reserve !max(grainrem, 0.); |
---|
319 | bm_alloc(icarbres) = c_reserve |
---|
320 | DO ipart = 1,nparts |
---|
321 | IF (bm_alloc(ipart)<0) THEN |
---|
322 | WRITE(numout,*) 'ipart :',ipart |
---|
323 | WRITE(numout,*) 'bm_alloc < 0 :',bm_alloc(ipart) |
---|
324 | WRITE(numout,*) 'biomass :', biomass(ipart) |
---|
325 | ENDIF |
---|
326 | ENDDO |
---|
327 | endif |
---|
328 | |
---|
329 | end subroutine crop_bmalloc |
---|
330 | |
---|
331 | end module crop_alloc |
---|