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Contents of /trunk/phylmd/diagetpq.f

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Revision 82 - (show annotations)
Wed Mar 5 14:57:53 2014 UTC (10 years, 2 months ago) by guez
File size: 8509 byte(s)
Changed all ".f90" suffixes to ".f".
1 module diagetpq_m
2
3 IMPLICIT NONE
4
5 contains
6
7 SUBROUTINE diagetpq(airephy, tit, iprt, idiag, idiag2, dtime, t, q, ql, qs, &
8 u, v, paprs, d_h_vcol, d_qt, d_qw, d_ql, d_qs, d_ec)
9
10 ! From LMDZ4/libf/phylmd/diagphy.F, version 1.1.1.1 2004/05/19 12:53:08
11
12 ! Purpose:
13
14 ! Calcule la différence d'enthalpie et de masse d'eau entre deux
15 ! appels et calcule le flux de chaleur et le flux d'eau
16 ! nécessaires à ces changements. Ces valeurs sont moyennées sur la
17 ! surface de tout le globe et sont exprimées en W/m2 et
18 ! kg/s/m2. Outil pour diagnostiquer la conservation de l'énergie
19 ! et de la masse dans la physique. Suppose que les niveaux de
20 ! pression entre les couches ne varient pas entre deux appels.
21
22 ! Plusieurs de ces diagnostics peuvent être faits en parallèle :
23 ! les bilans sont sauvegardés dans des tableaux indices. On
24 ! parlera "d'indice de diagnostic".
25
26 ! Jean-Louis Dufresne, July 2002
27
28 USE dimphy, ONLY: klev, klon
29 USE suphec_m, ONLY: rcpd, rcpv, rcs, rcw, rg, rlstt, rlvtt
30
31 ! Arguments:
32 ! airephy-------input-R- grid area
33 ! iprt----input-I- PRINT level ( <=1 : no PRINT)
34 ! idiag---input-I- indice dans lequel sera range les nouveaux
35 ! bilans d' entalpie et de masse
36 ! idiag2--input-I-les nouveaux bilans d'entalpie et de masse
37 ! sont compare au bilan de d'enthalpie de masse de
38 ! l'indice numero idiag2
39 ! Cas particulier : si idiag2=0, pas de comparaison, on
40 ! sort directement les bilans d'enthalpie et de masse
41 ! dtime----input-R- time step (s)
42 ! t--------input-R- temperature (K)
43 ! q--------input-R- vapeur d'eau (kg/kg)
44 ! ql-------input-R- liquid water (kg/kg)
45 ! qs-------input-R- solid water (kg/kg)
46 ! u--------input-R- vitesse u
47 ! v--------input-R- vitesse v
48 ! paprs----input-R- pression a intercouche (Pa)
49
50 ! the following total value are computed by UNIT of earth surface
51
52 ! d_h_vcol--output-R- Heat flux (W/m2) define as the Enthalpy
53 ! change (J/m2) during one time step (dtime) for the whole
54 ! atmosphere (air, water vapour, liquid and solid)
55 ! d_qt------output-R- total water mass flux (kg/m2/s) defined as the
56 ! total water (kg/m2) change during one time step (dtime),
57 ! d_qw------output-R- same, for the water vapour only (kg/m2/s)
58 ! d_ql------output-R- same, for the liquid water only (kg/m2/s)
59 ! d_qs------output-R- same, for the solid water only (kg/m2/s)
60 ! d_ec------output-R- Kinetic Energy Budget (W/m2) for vertical air column
61
62 ! other (COMMON...)
63 ! RCPD, RCPV, ....
64
65 ! Input variables
66 real airephy(klon)
67 CHARACTER(len=*), intent(in):: tit ! comment added in PRINT
68 INTEGER iprt, idiag, idiag2
69 REAL, intent(in):: dtime
70 REAL, intent(in):: t(klon, klev)
71 REAL, intent(in):: q(klon, klev), ql(klon, klev), qs(klon, klev)
72 REAL u(klon, klev), v(klon, klev)
73 REAL, intent(in):: paprs(klon, klev+1)
74 ! Output variables
75 REAL d_h_vcol, d_qt, d_qw, d_ql, d_qs, d_ec
76
77 ! Local variables
78
79 REAL h_vcol_tot, h_dair_tot, h_qw_tot, h_ql_tot, h_qs_tot, qw_tot, ql_tot
80 real qs_tot , ec_tot
81 ! h_vcol_tot-- total enthalpy of vertical air column
82 ! (air with water vapour, liquid and solid) (J/m2)
83 ! h_dair_tot-- total enthalpy of dry air (J/m2)
84 ! h_qw_tot---- total enthalpy of water vapour (J/m2)
85 ! h_ql_tot---- total enthalpy of liquid water (J/m2)
86 ! h_qs_tot---- total enthalpy of solid water (J/m2)
87 ! qw_tot------ total mass of water vapour (kg/m2)
88 ! ql_tot------ total mass of liquid water (kg/m2)
89 ! qs_tot------ total mass of solid water (kg/m2)
90 ! ec_tot------ total kinetic energy (kg/m2)
91
92 REAL zairm(klon, klev) ! layer air mass (kg/m2)
93 REAL zqw_col(klon)
94 REAL zql_col(klon)
95 REAL zqs_col(klon)
96 REAL zec_col(klon)
97 REAL zh_dair_col(klon)
98 REAL zh_qw_col(klon), zh_ql_col(klon), zh_qs_col(klon)
99
100 REAL d_h_dair, d_h_qw, d_h_ql, d_h_qs
101
102 REAL airetot, zcpvap, zcwat, zcice
103
104 INTEGER i, k
105
106 INTEGER, PARAMETER:: ndiag = 10 ! max number of diagnostic in parallel
107 integer:: pas(ndiag) = 0
108
109 REAL, save:: h_vcol_pre(ndiag), h_dair_pre(ndiag), h_qw_pre(ndiag)
110 REAL, save:: h_ql_pre(ndiag), h_qs_pre(ndiag), qw_pre(ndiag), ql_pre(ndiag)
111 REAL, save:: qs_pre(ndiag), ec_pre(ndiag)
112
113 !-------------------------------------------------------------
114
115 DO k = 1, klev
116 DO i = 1, klon
117 ! layer air mass
118 zairm(i, k) = (paprs(i, k)-paprs(i, k+1))/RG
119 ENDDO
120 END DO
121
122 ! Reset variables
123 DO i = 1, klon
124 zqw_col(i)=0.
125 zql_col(i)=0.
126 zqs_col(i)=0.
127 zec_col(i) = 0.
128 zh_dair_col(i) = 0.
129 zh_qw_col(i) = 0.
130 zh_ql_col(i) = 0.
131 zh_qs_col(i) = 0.
132 ENDDO
133
134 zcpvap=RCPV
135 zcwat=RCW
136 zcice=RCS
137
138 ! Compute vertical sum for each atmospheric column
139 DO k = 1, klev
140 DO i = 1, klon
141 ! Water mass
142 zqw_col(i) = zqw_col(i) + q(i, k)*zairm(i, k)
143 zql_col(i) = zql_col(i) + ql(i, k)*zairm(i, k)
144 zqs_col(i) = zqs_col(i) + qs(i, k)*zairm(i, k)
145 ! Kinetic Energy
146 zec_col(i) = zec_col(i) +0.5*(u(i, k)**2+v(i, k)**2)*zairm(i, k)
147 ! Air enthalpy
148 zh_dair_col(i) = zh_dair_col(i) &
149 + RCPD*(1.-q(i, k)-ql(i, k)-qs(i, k))*zairm(i, k)*t(i, k)
150 zh_qw_col(i) = zh_qw_col(i) + zcpvap*q(i, k)*zairm(i, k)*t(i, k)
151 zh_ql_col(i) = zh_ql_col(i) &
152 + zcwat*ql(i, k)*zairm(i, k)*t(i, k) &
153 - RLVTT*ql(i, k)*zairm(i, k)
154 zh_qs_col(i) = zh_qs_col(i) &
155 + zcice*qs(i, k)*zairm(i, k)*t(i, k) &
156 - RLSTT*qs(i, k)*zairm(i, k)
157 END DO
158 ENDDO
159
160 ! Mean over the planet surface
161 qw_tot = 0.
162 ql_tot = 0.
163 qs_tot = 0.
164 ec_tot = 0.
165 h_vcol_tot = 0.
166 h_dair_tot = 0.
167 h_qw_tot = 0.
168 h_ql_tot = 0.
169 h_qs_tot = 0.
170 airetot=0.
171
172 do i=1, klon
173 qw_tot = qw_tot + zqw_col(i)*airephy(i)
174 ql_tot = ql_tot + zql_col(i)*airephy(i)
175 qs_tot = qs_tot + zqs_col(i)*airephy(i)
176 ec_tot = ec_tot + zec_col(i)*airephy(i)
177 h_dair_tot = h_dair_tot + zh_dair_col(i)*airephy(i)
178 h_qw_tot = h_qw_tot + zh_qw_col(i)*airephy(i)
179 h_ql_tot = h_ql_tot + zh_ql_col(i)*airephy(i)
180 h_qs_tot = h_qs_tot + zh_qs_col(i)*airephy(i)
181 airetot=airetot+airephy(i)
182 END DO
183
184 qw_tot = qw_tot/airetot
185 ql_tot = ql_tot/airetot
186 qs_tot = qs_tot/airetot
187 ec_tot = ec_tot/airetot
188 h_dair_tot = h_dair_tot/airetot
189 h_qw_tot = h_qw_tot/airetot
190 h_ql_tot = h_ql_tot/airetot
191 h_qs_tot = h_qs_tot/airetot
192
193 h_vcol_tot = h_dair_tot+h_qw_tot+h_ql_tot+h_qs_tot
194
195 ! Compute the change of the atmospheric state compared to the one
196 ! stored in "idiag2", and convert it in flux. This computation is
197 ! performed if idiag2 /= 0 and if it is not the first call for
198 ! "idiag".
199
200 IF ((idiag2 > 0) .and. (pas(idiag2) /= 0)) THEN
201 d_h_vcol = (h_vcol_tot - h_vcol_pre(idiag2) )/dtime
202 d_h_dair = (h_dair_tot- h_dair_pre(idiag2))/dtime
203 d_h_qw = (h_qw_tot - h_qw_pre(idiag2) )/dtime
204 d_h_ql = (h_ql_tot - h_ql_pre(idiag2) )/dtime
205 d_h_qs = (h_qs_tot - h_qs_pre(idiag2) )/dtime
206 d_qw = (qw_tot - qw_pre(idiag2) )/dtime
207 d_ql = (ql_tot - ql_pre(idiag2) )/dtime
208 d_qs = (qs_tot - qs_pre(idiag2) )/dtime
209 d_ec = (ec_tot - ec_pre(idiag2) )/dtime
210 d_qt = d_qw + d_ql + d_qs
211 ELSE
212 d_h_vcol = 0.
213 d_h_dair = 0.
214 d_h_qw = 0.
215 d_h_ql = 0.
216 d_h_qs = 0.
217 d_qw = 0.
218 d_ql = 0.
219 d_qs = 0.
220 d_ec = 0.
221 d_qt = 0.
222 ENDIF
223
224 IF (iprt >= 2) THEN
225 WRITE(6, 9000) tit, pas(idiag), d_qt, d_qw, d_ql, d_qs
226 9000 format('Phys. Water Mass Budget (kg/m2/s)', A15, 1i6, 10(1pE14.6))
227 WRITE(6, 9001) tit, pas(idiag), d_h_vcol
228 9001 format('Phys. Enthalpy Budget (W/m2) ', A15, 1i6, 10(F8.2))
229 WRITE(6, 9002) tit, pas(idiag), d_ec
230 9002 format('Phys. Kinetic Energy Budget (W/m2) ', A15, 1i6, 10(F8.2))
231 END IF
232
233 ! Store the new atmospheric state in "idiag"
234 pas(idiag)=pas(idiag)+1
235 h_vcol_pre(idiag) = h_vcol_tot
236 h_dair_pre(idiag) = h_dair_tot
237 h_qw_pre(idiag) = h_qw_tot
238 h_ql_pre(idiag) = h_ql_tot
239 h_qs_pre(idiag) = h_qs_tot
240 qw_pre(idiag) = qw_tot
241 ql_pre(idiag) = ql_tot
242 qs_pre(idiag) = qs_tot
243 ec_pre (idiag) = ec_tot
244
245 END SUBROUTINE diagetpq
246
247 end module diagetpq_m

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