1 |
module bilan_dyn_m |
2 |
|
3 |
IMPLICIT NONE |
4 |
|
5 |
contains |
6 |
|
7 |
SUBROUTINE bilan_dyn(ps, masse, pk, flux_u, flux_v, teta, phi, ucov, vcov, & |
8 |
trac) |
9 |
|
10 |
! From LMDZ4/libf/dyn3d/bilan_dyn.F, version 1.5 2005/03/16 10:12:17 |
11 |
|
12 |
! Sous-programme consacré à des diagnostics dynamiques de base. |
13 |
! De façon générale, les moyennes des scalaires Q sont pondérées |
14 |
! par la masse. Les flux de masse sont, eux, simplement moyennés. |
15 |
|
16 |
USE comconst, ONLY: cpp |
17 |
USE comgeom, ONLY: constang_2d, cu_2d, cv_2d |
18 |
USE dimens_m, ONLY: iim, jjm, llm |
19 |
USE histwrite_m, ONLY: histwrite |
20 |
use init_dynzon_m, only: ncum, fileid, znom, ntr, nq, nom |
21 |
USE paramet_m, ONLY: iip1, jjp1 |
22 |
|
23 |
! Arguments: |
24 |
|
25 |
real, intent(in):: ps(iip1, jjp1) |
26 |
real, intent(in):: masse(iip1, jjp1, llm), pk(iip1, jjp1, llm) |
27 |
real, intent(in):: flux_u(iip1, jjp1, llm) |
28 |
real, intent(in):: flux_v(iip1, jjm, llm) |
29 |
real, intent(in):: teta(iip1, jjp1, llm) |
30 |
real, intent(in):: phi(iip1, jjp1, llm) |
31 |
real, intent(in):: ucov(iip1, jjp1, llm) |
32 |
real, intent(in):: vcov(iip1, jjm, llm) |
33 |
real, intent(in):: trac(:, :, :) ! (iim + 1, jjm + 1, llm) |
34 |
|
35 |
! Local: |
36 |
|
37 |
integer:: icum = 0 |
38 |
integer:: itau = 0 |
39 |
real zqy, zfactv(jjm, llm) |
40 |
|
41 |
real ww |
42 |
|
43 |
! Variables dynamiques intermédiaires |
44 |
REAL vcont(iip1, jjm, llm), ucont(iip1, jjp1, llm) |
45 |
REAL ang(iip1, jjp1, llm), unat(iip1, jjp1, llm) |
46 |
REAL massebx(iip1, jjp1, llm), masseby(iip1, jjm, llm) |
47 |
REAL w(iip1, jjp1, llm), ecin(iip1, jjp1, llm), convm(iip1, jjp1, llm) |
48 |
|
49 |
! Champ contenant les scalaires advectés |
50 |
real Q(iip1, jjp1, llm, nQ) |
51 |
|
52 |
! Champs cumulés |
53 |
real, save:: ps_cum(iip1, jjp1) |
54 |
real, save:: masse_cum(iip1, jjp1, llm) |
55 |
real, save:: flux_u_cum(iip1, jjp1, llm) |
56 |
real, save:: flux_v_cum(iip1, jjm, llm) |
57 |
real, save:: Q_cum(iip1, jjp1, llm, nQ) |
58 |
real, save:: flux_uQ_cum(iip1, jjp1, llm, nQ) |
59 |
real, save:: flux_vQ_cum(iip1, jjm, llm, nQ) |
60 |
real dQ(iip1, jjp1, llm, nQ) |
61 |
|
62 |
! champs de tansport en moyenne zonale |
63 |
integer itr |
64 |
integer, parameter:: iave = 1, itot = 2, immc = 3, itrs = 4, istn = 5 |
65 |
|
66 |
real zvQ(jjm, llm, ntr, nQ), zvQtmp(jjm, llm) |
67 |
real zavQ(jjm, 2: ntr, nQ), psiQ(jjm, llm + 1, nQ) |
68 |
real zmasse(jjm, llm) |
69 |
real zv(jjm, llm), psi(jjm, llm + 1) |
70 |
integer i, j, l, iQ |
71 |
|
72 |
!----------------------------------------------------------------- |
73 |
|
74 |
! Calcul des champs dynamiques |
75 |
|
76 |
! Énergie cinétique |
77 |
ucont = 0 |
78 |
CALL covcont(llm, ucov, vcov, ucont, vcont) |
79 |
CALL enercin(vcov, ucov, vcont, ucont, ecin) |
80 |
|
81 |
! moment cinétique |
82 |
do l = 1, llm |
83 |
ang(:, :, l) = ucov(:, :, l) + constang_2d |
84 |
unat(:, :, l) = ucont(:, :, l)*cu_2d |
85 |
enddo |
86 |
|
87 |
Q(:, :, :, 1) = teta * pk / cpp |
88 |
Q(:, :, :, 2) = phi |
89 |
Q(:, :, :, 3) = ecin |
90 |
Q(:, :, :, 4) = ang |
91 |
Q(:, :, :, 5) = unat |
92 |
Q(:, :, :, 6) = trac |
93 |
Q(:, :, :, 7) = 1. |
94 |
|
95 |
! Cumul |
96 |
|
97 |
if (icum == 0) then |
98 |
ps_cum = 0. |
99 |
masse_cum = 0. |
100 |
flux_u_cum = 0. |
101 |
flux_v_cum = 0. |
102 |
Q_cum = 0. |
103 |
flux_vQ_cum = 0. |
104 |
flux_uQ_cum = 0. |
105 |
endif |
106 |
|
107 |
itau = itau + 1 |
108 |
icum = icum + 1 |
109 |
|
110 |
! Accumulation des flux de masse horizontaux |
111 |
ps_cum = ps_cum + ps |
112 |
masse_cum = masse_cum + masse |
113 |
flux_u_cum = flux_u_cum + flux_u |
114 |
flux_v_cum = flux_v_cum + flux_v |
115 |
do iQ = 1, nQ |
116 |
Q_cum(:, :, :, iQ) = Q_cum(:, :, :, iQ) + Q(:, :, :, iQ)*masse |
117 |
enddo |
118 |
|
119 |
! FLUX ET TENDANCES |
120 |
|
121 |
! Flux longitudinal |
122 |
forall (iQ = 1: nQ, i = 1: iim) flux_uQ_cum(i, :, :, iQ) & |
123 |
= flux_uQ_cum(i, :, :, iQ) & |
124 |
+ flux_u(i, :, :) * 0.5 * (Q(i, :, :, iQ) + Q(i + 1, :, :, iQ)) |
125 |
flux_uQ_cum(iip1, :, :, :) = flux_uQ_cum(1, :, :, :) |
126 |
|
127 |
! Flux méridien |
128 |
forall (iQ = 1: nQ, j = 1: jjm) flux_vQ_cum(:, j, :, iQ) & |
129 |
= flux_vQ_cum(:, j, :, iQ) & |
130 |
+ flux_v(:, j, :) * 0.5 * (Q(:, j, :, iQ) + Q(:, j + 1, :, iQ)) |
131 |
|
132 |
! tendances |
133 |
|
134 |
! convergence horizontale |
135 |
call convflu(flux_uQ_cum, flux_vQ_cum, llm*nQ, dQ) |
136 |
|
137 |
! calcul de la vitesse verticale |
138 |
call convmas(flux_u_cum, flux_v_cum, convm) |
139 |
CALL vitvert(convm, w) |
140 |
|
141 |
do iQ = 1, nQ |
142 |
do l = 1, llm-1 |
143 |
do j = 1, jjp1 |
144 |
do i = 1, iip1 |
145 |
ww = -0.5*w(i, j, l + 1)*(Q(i, j, l, iQ) + Q(i, j, l + 1, iQ)) |
146 |
dQ(i, j, l, iQ) = dQ(i, j, l, iQ)-ww |
147 |
dQ(i, j, l + 1, iQ) = dQ(i, j, l + 1, iQ) + ww |
148 |
enddo |
149 |
enddo |
150 |
enddo |
151 |
enddo |
152 |
|
153 |
! PAS DE TEMPS D'ECRITURE |
154 |
|
155 |
writing_step: if (icum == ncum) then |
156 |
! Normalisation |
157 |
do iQ = 1, nQ |
158 |
Q_cum(:, :, :, iQ) = Q_cum(:, :, :, iQ)/masse_cum |
159 |
enddo |
160 |
ps_cum = ps_cum / ncum |
161 |
masse_cum = masse_cum / ncum |
162 |
flux_u_cum = flux_u_cum / ncum |
163 |
flux_v_cum = flux_v_cum / ncum |
164 |
flux_uQ_cum = flux_uQ_cum / ncum |
165 |
flux_vQ_cum = flux_vQ_cum / ncum |
166 |
dQ = dQ / ncum |
167 |
|
168 |
! A retravailler eventuellement |
169 |
! division de dQ par la masse pour revenir aux bonnes grandeurs |
170 |
do iQ = 1, nQ |
171 |
dQ(:, :, :, iQ) = dQ(:, :, :, iQ)/masse_cum |
172 |
enddo |
173 |
|
174 |
! Transport méridien |
175 |
|
176 |
! cumul zonal des masses des mailles |
177 |
|
178 |
zv = 0. |
179 |
zmasse = 0. |
180 |
call massbar(masse_cum, massebx, masseby) |
181 |
do l = 1, llm |
182 |
do j = 1, jjm |
183 |
do i = 1, iim |
184 |
zmasse(j, l) = zmasse(j, l) + masseby(i, j, l) |
185 |
zv(j, l) = zv(j, l) + flux_v_cum(i, j, l) |
186 |
enddo |
187 |
zfactv(j, l) = cv_2d(1, j)/zmasse(j, l) |
188 |
enddo |
189 |
enddo |
190 |
|
191 |
! Transport dans le plan latitude-altitude |
192 |
|
193 |
zvQ = 0. |
194 |
psiQ = 0. |
195 |
do iQ = 1, nQ |
196 |
zvQtmp = 0. |
197 |
do l = 1, llm |
198 |
do j = 1, jjm |
199 |
! Calcul des moyennes zonales du transort total et de zvQtmp |
200 |
do i = 1, iim |
201 |
zvQ(j, l, itot, iQ) = zvQ(j, l, itot, iQ) & |
202 |
+ flux_vQ_cum(i, j, l, iQ) |
203 |
zqy = 0.5 * (Q_cum(i, j, l, iQ) * masse_cum(i, j, l) & |
204 |
+ Q_cum(i, j + 1, l, iQ) * masse_cum(i, j + 1, l)) |
205 |
zvQtmp(j, l) = zvQtmp(j, l) + flux_v_cum(i, j, l) * zqy & |
206 |
/ (0.5 * (masse_cum(i, j, l) + masse_cum(i, j + 1, l))) |
207 |
zvQ(j, l, iave, iQ) = zvQ(j, l, iave, iQ) + zqy |
208 |
enddo |
209 |
! Decomposition |
210 |
zvQ(j, l, iave, iQ) = zvQ(j, l, iave, iQ)/zmasse(j, l) |
211 |
zvQ(j, l, itot, iQ) = zvQ(j, l, itot, iQ)*zfactv(j, l) |
212 |
zvQtmp(j, l) = zvQtmp(j, l)*zfactv(j, l) |
213 |
zvQ(j, l, immc, iQ) = zv(j, l)*zvQ(j, l, iave, iQ)*zfactv(j, l) |
214 |
zvQ(j, l, itrs, iQ) = zvQ(j, l, itot, iQ)-zvQtmp(j, l) |
215 |
zvQ(j, l, istn, iQ) = zvQtmp(j, l)-zvQ(j, l, immc, iQ) |
216 |
enddo |
217 |
enddo |
218 |
! fonction de courant meridienne pour la quantite Q |
219 |
do l = llm, 1, -1 |
220 |
do j = 1, jjm |
221 |
psiQ(j, l, iQ) = psiQ(j, l + 1, iQ) + zvQ(j, l, itot, iQ) |
222 |
enddo |
223 |
enddo |
224 |
enddo |
225 |
|
226 |
! fonction de courant pour la circulation meridienne moyenne |
227 |
psi = 0. |
228 |
do l = llm, 1, -1 |
229 |
do j = 1, jjm |
230 |
psi(j, l) = psi(j, l + 1) + zv(j, l) |
231 |
zv(j, l) = zv(j, l)*zfactv(j, l) |
232 |
enddo |
233 |
enddo |
234 |
|
235 |
! sorties proprement dites |
236 |
do iQ = 1, nQ |
237 |
do itr = 1, ntr |
238 |
call histwrite(fileid, znom(itr, iQ), itau, zvQ(:, :, itr, iQ)) |
239 |
enddo |
240 |
call histwrite(fileid, 'psi'//nom(iQ), itau, psiQ(:, :llm, iQ)) |
241 |
enddo |
242 |
|
243 |
call histwrite(fileid, 'masse', itau, zmasse) |
244 |
call histwrite(fileid, 'v', itau, zv) |
245 |
psi = psi*1.e-9 |
246 |
call histwrite(fileid, 'psi', itau, psi(:, :llm)) |
247 |
|
248 |
! Intégrale verticale |
249 |
|
250 |
forall (iQ = 1: nQ, itr = 2: ntr) zavQ(:, itr, iQ) & |
251 |
= sum(zvQ(:, :, itr, iQ) * zmasse, dim=2) / cv_2d(1, :) |
252 |
|
253 |
do iQ = 1, nQ |
254 |
do itr = 2, ntr |
255 |
call histwrite(fileid, 'a'//znom(itr, iQ), itau, zavQ(:, itr, iQ)) |
256 |
enddo |
257 |
enddo |
258 |
|
259 |
! On doit pouvoir tracer systematiquement la fonction de courant. |
260 |
icum = 0 |
261 |
endif writing_step |
262 |
|
263 |
end SUBROUTINE bilan_dyn |
264 |
|
265 |
end module bilan_dyn_m |