1 |
SUBROUTINE orolift(nlon,nlev,ktest,ptsphy,paphm1,pgeom1,ptm1,pum1,pvm1, & |
2 |
plat,pmea,pvaror,ppic & |
3 |
,pulow,pvlow,pvom,pvol,pte) |
4 |
|
5 |
|
6 |
!**** *OROLIFT: SIMULATE THE GEOSTROPHIC LIFT. |
7 |
|
8 |
! PURPOSE. |
9 |
! -------- |
10 |
|
11 |
!** INTERFACE. |
12 |
! ---------- |
13 |
! CALLED FROM *lift_noro |
14 |
! ---------- |
15 |
|
16 |
! AUTHOR. |
17 |
! ------- |
18 |
! F.LOTT LMD 22/11/95 |
19 |
|
20 |
USE dimens_m |
21 |
USE dimphy |
22 |
USE suphec_m |
23 |
USE yoegwd |
24 |
IMPLICIT NONE |
25 |
|
26 |
|
27 |
!----------------------------------------------------------------------- |
28 |
|
29 |
!* 0.1 ARGUMENTS |
30 |
! --------- |
31 |
|
32 |
|
33 |
INTEGER nlon, nlev |
34 |
REAL pte(nlon,nlev), pvol(nlon,nlev), pvom(nlon,nlev), pulow(nlon), & |
35 |
pvlow(nlon) |
36 |
REAL pum1(nlon,nlev), pvm1(nlon,nlev), ptm1(nlon,nlev) |
37 |
REAL, INTENT (IN) :: plat(nlon) |
38 |
REAL pmea(nlon) |
39 |
REAL, INTENT (IN) :: pvaror(nlon) |
40 |
REAL ppic(nlon), pgeom1(nlon,nlev), paphm1(nlon,nlev+1) |
41 |
|
42 |
INTEGER ktest(nlon) |
43 |
REAL, INTENT (IN) :: ptsphy |
44 |
!----------------------------------------------------------------------- |
45 |
|
46 |
!* 0.2 LOCAL ARRAYS |
47 |
! ------------ |
48 |
LOGICAL lifthigh |
49 |
INTEGER klevm1, jl, ilevh, jk |
50 |
REAL zcons1, ztmst, zrtmst, zpi, zhgeo |
51 |
REAL zdelp, zslow, zsqua, zscav, zbet |
52 |
INTEGER iknub(klon), iknul(klon) |
53 |
LOGICAL ll1(klon,klev+1) |
54 |
|
55 |
REAL ztau(klon,klev+1), ztav(klon,klev+1), zrho(klon,klev+1) |
56 |
REAL zdudt(klon), zdvdt(klon) |
57 |
REAL zhcrit(klon,klev) |
58 |
!----------------------------------------------------------------------- |
59 |
|
60 |
!* 1.1 INITIALIZATIONS |
61 |
! --------------- |
62 |
|
63 |
lifthigh = .FALSE. |
64 |
|
65 |
IF (nlon/=klon .OR. nlev/=klev) STOP |
66 |
zcons1 = 1./rd |
67 |
klevm1 = klev - 1 |
68 |
ztmst = ptsphy |
69 |
zrtmst = 1./ztmst |
70 |
zpi = acos(-1.) |
71 |
|
72 |
DO 1001 jl = 1, klon |
73 |
zrho(jl,klev+1) = 0.0 |
74 |
pulow(jl) = 0.0 |
75 |
pvlow(jl) = 0.0 |
76 |
iknub(jl) = klev |
77 |
iknul(jl) = klev |
78 |
ilevh = klev/3 |
79 |
ll1(jl,klev+1) = .FALSE. |
80 |
DO 1000 jk = 1, klev |
81 |
pvom(jl,jk) = 0.0 |
82 |
pvol(jl,jk) = 0.0 |
83 |
pte(jl,jk) = 0.0 |
84 |
1000 CONTINUE |
85 |
1001 CONTINUE |
86 |
|
87 |
|
88 |
!* 2.1 DEFINE LOW LEVEL WIND, PROJECT WINDS IN PLANE OF |
89 |
!* LOW LEVEL WIND, DETERMINE SECTOR IN WHICH TO TAKE |
90 |
!* THE VARIANCE AND SET INDICATOR FOR CRITICAL LEVELS. |
91 |
|
92 |
|
93 |
|
94 |
DO 2006 jk = klev, 1, -1 |
95 |
DO 2007 jl = 1, klon |
96 |
IF (ktest(jl)==1) THEN |
97 |
zhcrit(jl,jk) = amax1(ppic(jl)-pmea(jl),100.) |
98 |
zhgeo = pgeom1(jl,jk)/rg |
99 |
ll1(jl,jk) = (zhgeo>zhcrit(jl,jk)) |
100 |
IF (ll1(jl,jk) .NEQV. ll1(jl,jk+1)) THEN |
101 |
iknub(jl) = jk |
102 |
END IF |
103 |
END IF |
104 |
2007 CONTINUE |
105 |
2006 CONTINUE |
106 |
|
107 |
DO 2010 jl = 1, klon |
108 |
IF (ktest(jl)==1) THEN |
109 |
iknub(jl) = max(iknub(jl),klev/2) |
110 |
iknul(jl) = max(iknul(jl),2*klev/3) |
111 |
IF (iknub(jl)>nktopg) iknub(jl) = nktopg |
112 |
IF (iknub(jl)==nktopg) iknul(jl) = klev |
113 |
IF (iknub(jl)==iknul(jl)) iknub(jl) = iknul(jl) - 1 |
114 |
END IF |
115 |
2010 CONTINUE |
116 |
|
117 |
! do 2011 jl=1,klon |
118 |
! IF(KTEST(JL).EQ.1) THEN |
119 |
! print *,' iknul= ',iknul(jl),' iknub=',iknub(jl) |
120 |
! ENDIF |
121 |
!2011 continue |
122 |
|
123 |
! PRINT *,' DANS OROLIFT: 2010' |
124 |
|
125 |
DO 223 jk = klev, 2, -1 |
126 |
DO 222 jl = 1, klon |
127 |
zrho(jl,jk) = 2.*paphm1(jl,jk)*zcons1/(ptm1(jl,jk)+ptm1(jl,jk-1)) |
128 |
222 CONTINUE |
129 |
223 CONTINUE |
130 |
! PRINT *,' DANS OROLIFT: 223' |
131 |
|
132 |
!******************************************************************** |
133 |
|
134 |
!* DEFINE LOW LEVEL FLOW |
135 |
! ------------------- |
136 |
DO 2115 jk = klev, 1, -1 |
137 |
DO 2116 jl = 1, klon |
138 |
IF (ktest(jl)==1) THEN |
139 |
IF (jk>=iknub(jl) .AND. jk<=iknul(jl)) THEN |
140 |
pulow(jl) = pulow(jl) + pum1(jl,jk)*(paphm1(jl,jk+1)-paphm1(jl, & |
141 |
jk)) |
142 |
pvlow(jl) = pvlow(jl) + pvm1(jl,jk)*(paphm1(jl,jk+1)-paphm1(jl, & |
143 |
jk)) |
144 |
zrho(jl,klev+1) = zrho(jl,klev+1) + zrho(jl,jk)*(paphm1(jl,jk+1) & |
145 |
-paphm1(jl,jk)) |
146 |
END IF |
147 |
END IF |
148 |
2116 CONTINUE |
149 |
2115 CONTINUE |
150 |
DO 2110 jl = 1, klon |
151 |
IF (ktest(jl)==1) THEN |
152 |
pulow(jl) = pulow(jl)/(paphm1(jl,iknul(jl)+1)-paphm1(jl,iknub(jl))) |
153 |
pvlow(jl) = pvlow(jl)/(paphm1(jl,iknul(jl)+1)-paphm1(jl,iknub(jl))) |
154 |
zrho(jl,klev+1) = zrho(jl,klev+1)/(paphm1(jl,iknul(jl)+1)-paphm1(jl, & |
155 |
iknub(jl))) |
156 |
END IF |
157 |
2110 CONTINUE |
158 |
|
159 |
!* 3. COMPUTE MOUNTAIN LIFT |
160 |
|
161 |
DO 301 jl = 1, klon |
162 |
IF (ktest(jl)==1) THEN |
163 |
ztau(jl,klev+1) = -gklift*zrho(jl,klev+1)*2.*romega*2*pvaror(jl)*sin & |
164 |
(zpi/180.*plat(jl))*pvlow(jl) |
165 |
ztav(jl,klev+1) = gklift*zrho(jl,klev+1)*2.*romega*2*pvaror(jl)* & |
166 |
sin(zpi/180.*plat(jl))*pulow(jl) |
167 |
ELSE |
168 |
ztau(jl,klev+1) = 0.0 |
169 |
ztav(jl,klev+1) = 0.0 |
170 |
END IF |
171 |
301 CONTINUE |
172 |
|
173 |
|
174 |
!* 4. COMPUTE LIFT PROFILE |
175 |
!* -------------------- |
176 |
|
177 |
|
178 |
DO jk = 1, klev |
179 |
DO jl = 1, klon |
180 |
IF (ktest(jl)==1) THEN |
181 |
ztau(jl,jk) = ztau(jl,klev+1)*paphm1(jl,jk)/paphm1(jl,klev+1) |
182 |
ztav(jl,jk) = ztav(jl,klev+1)*paphm1(jl,jk)/paphm1(jl,klev+1) |
183 |
ELSE |
184 |
ztau(jl,jk) = 0.0 |
185 |
ztav(jl,jk) = 0.0 |
186 |
END IF |
187 |
end DO |
188 |
end DO |
189 |
|
190 |
|
191 |
!* 5. COMPUTE TENDENCIES. |
192 |
!* ------------------- |
193 |
IF (lifthigh) THEN |
194 |
|
195 |
! PRINT *,' DANS OROLIFT: 500' |
196 |
|
197 |
! EXPLICIT SOLUTION AT ALL LEVELS |
198 |
|
199 |
DO 524 jk = 1, klev |
200 |
DO 523 jl = 1, klon |
201 |
IF (ktest(jl)==1) THEN |
202 |
zdelp = paphm1(jl,jk+1) - paphm1(jl,jk) |
203 |
zdudt(jl) = -rg*(ztau(jl,jk+1)-ztau(jl,jk))/zdelp |
204 |
zdvdt(jl) = -rg*(ztav(jl,jk+1)-ztav(jl,jk))/zdelp |
205 |
END IF |
206 |
523 CONTINUE |
207 |
524 CONTINUE |
208 |
|
209 |
! PROJECT PERPENDICULARLY TO U NOT TO DESTROY ENERGY |
210 |
|
211 |
DO jk = 1, klev |
212 |
DO jl = 1, klon |
213 |
IF (ktest(jl)==1) THEN |
214 |
|
215 |
zslow = sqrt(pulow(jl)**2+pvlow(jl)**2) |
216 |
zsqua = amax1(sqrt(pum1(jl,jk)**2+pvm1(jl,jk)**2),gvsec) |
217 |
zscav = -zdudt(jl)*pvm1(jl,jk) + zdvdt(jl)*pum1(jl,jk) |
218 |
IF (zsqua>gvsec) THEN |
219 |
pvom(jl,jk) = -zscav*pvm1(jl,jk)/zsqua**2 |
220 |
pvol(jl,jk) = zscav*pum1(jl,jk)/zsqua**2 |
221 |
ELSE |
222 |
pvom(jl,jk) = 0.0 |
223 |
pvol(jl,jk) = 0.0 |
224 |
END IF |
225 |
zsqua = sqrt(pum1(jl,jk)**2+pum1(jl,jk)**2) |
226 |
IF (zsqua<zslow) THEN |
227 |
pvom(jl,jk) = zsqua/zslow*pvom(jl,jk) |
228 |
pvol(jl,jk) = zsqua/zslow*pvol(jl,jk) |
229 |
END IF |
230 |
|
231 |
END IF |
232 |
end DO |
233 |
end DO |
234 |
|
235 |
! 6. LOW LEVEL LIFT, SEMI IMPLICIT: |
236 |
! ---------------------------------- |
237 |
|
238 |
ELSE |
239 |
|
240 |
DO 601 jl = 1, klon |
241 |
IF (ktest(jl)==1) THEN |
242 |
DO jk = klev, iknub(jl), -1 |
243 |
zbet = gklift*2.*romega*sin(zpi/180.*plat(jl))*ztmst* & |
244 |
(pgeom1(jl,iknub(jl)-1)-pgeom1(jl,jk))/ & |
245 |
(pgeom1(jl,iknub(jl)-1)-pgeom1(jl,klev)) |
246 |
zdudt(jl) = -pum1(jl,jk)/ztmst/(1+zbet**2) |
247 |
zdvdt(jl) = -pvm1(jl,jk)/ztmst/(1+zbet**2) |
248 |
pvom(jl,jk) = zbet**2*zdudt(jl) - zbet*zdvdt(jl) |
249 |
pvol(jl,jk) = zbet*zdudt(jl) + zbet**2*zdvdt(jl) |
250 |
END DO |
251 |
END IF |
252 |
601 CONTINUE |
253 |
|
254 |
END IF |
255 |
|
256 |
RETURN |
257 |
END |