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convadj.F @ 2156

Last change on this file since 2156 was 1779, checked in by aslmd, 7 years ago
LMDZ.MARS (purely comments) marked the absolute firstcalls not supposed to change with runtime (e.g. not domain-related). this is most of them. those firstcall can stay local and do not need to be linked with the caller's general firstcall.
File size: 11.6 KB

Rev	Line
[38]	1	subroutine convadj(ngrid,nlay,nq,ptimestep,
[161]	2	& pplay,pplev,ppopsk,lmax_th,
[38]	3	& pu,pv,ph,pq,
	4	& pdufi,pdvfi,pdhfi,pdqfi,
	5	& pduadj,pdvadj,pdhadj,
	6	& pdqadj)
	7
[1036]	8	use tracer_mod, only: noms, ! tracer names
	9	& igcm_h2o_vap ! index of water vapor tracer
[1226]	10	USE comcstfi_h
[38]	11	implicit none
	12
	13	!==================================================================
	14	!
	15	! Purpose
	16	! -------
	17	! Calculates dry convective adjustment. If one tracer is CO2,
	18	! we take into account the molecular mass variation (e.g. when
	19	! CO2 condenses) to trigger convection (F. Forget 01/2005)
	20	!
	21	! Authors
	22	! -------
	23	! Original author unknown.
	24	! Modif. 2005 by F. Forget.
	25	! Modif. 2010 by R. Wordsworth
[161]	26	! Modif. 2011 by A. Colaitis
	27	!
[38]	28	!==================================================================
	29
	30	! ------------
	31	! Declarations
	32	! ------------
	33
	34	#include "callkeys.h"
	35
	36
	37	! Arguments
	38	! ---------
	39
[161]	40	INTEGER,intent(in) :: ngrid,nlay,lmax_th(ngrid)
[38]	41	REAL,intent(in) :: ptimestep
	42	REAL,intent(in) :: ph(ngrid,nlay)
	43	REAL,intent(in) :: pdhfi(ngrid,nlay)
	44	REAL,intent(out) :: pdhadj(ngrid,nlay)
	45	REAL,intent(in) :: pplay(ngrid,nlay),pplev(ngrid,nlay+1)
	46	REAL,intent(in) :: ppopsk(ngrid,nlay)
	47	REAL,intent(in) :: pu(ngrid,nlay),pdufi(ngrid,nlay)
	48	REAL,intent(out) :: pduadj(ngrid,nlay)
	49	REAL,intent(in) :: pv(ngrid,nlay),pdvfi(ngrid,nlay)
	50	REAL,intent(out) :: pdvadj(ngrid,nlay)
	51
	52	! Tracers
	53	integer,intent(in) :: nq
	54	real,intent(in) :: pq(ngrid,nlay,nq), pdqfi(ngrid,nlay,nq)
	55	real,intent(out) :: pdqadj(ngrid,nlay,nq)
	56
	57
	58	! Local
	59	! -----
	60
	61	INTEGER ig,i,l,l1,l2,jj
[1047]	62	INTEGER jcnt, jadrs(ngrid)
[38]	63
[1047]	64	REAL sig(nlay+1),sdsig(nlay),dsig(nlay)
	65	REAL zu(ngrid,nlay),zv(ngrid,nlay)
	66	REAL zh(ngrid,nlay)
	67	REAL zu2(ngrid,nlay),zv2(ngrid,nlay)
	68	REAL zh2(ngrid,nlay), zhc(ngrid,nlay)
[38]	69	REAL zhm,zsm,zdsm,zum,zvm,zalpha,zhmc
	70
	71	! Tracers
	72	INTEGER iq,ico2
	73	save ico2
[1047]	74	REAL zq(ngrid,nlay,nq), zq2(ngrid,nlay,nq)
[1036]	75	REAL zqm(nq),zqco2m
[38]	76	real m_co2, m_noco2, A , B
	77	save A, B
	78
	79	real mtot1, mtot2 , mm1, mm2
	80	integer l1ref, l2ref
[1047]	81	LOGICAL vtest(ngrid),down,firstcall
[38]	82	save firstcall
	83	data firstcall/.true./
	84
	85	! for conservation test
	86	real masse,cadjncons
	87
	88	! --------------
	89	! Initialisation
	90	! --------------
	91
[1779]	92	! AS: OK firstcall absolute
[38]	93	IF (firstcall) THEN
[1047]	94
[38]	95	ico2=0
	96	if (tracer) then
	97	! Prepare Special treatment if one of the tracers is CO2 gas
[1036]	98	do iq=1,nq
[38]	99	if (noms(iq).eq."co2") then
	100	ico2=iq
	101	m_co2 = 44.01E-3 ! CO2 molecular mass (kg/mol)
	102	m_noco2 = 33.37E-3 ! Non condensible mol mass (kg/mol)
	103	! Compute A and B coefficient use to compute
	104	! mean molecular mass Mair defined by
	105	! 1/Mair = q(ico2)/m_co2 + (1-q(ico2))/m_noco2
	106	! 1/Mair = A*q(ico2) + B
	107	A =(1/m_co2 - 1/m_noco2)
	108	B=1/m_noco2
	109	end if
	110	enddo
	111	endif
	112	firstcall=.false.
	113	ENDIF ! of IF (firstcall)
	114
	115	DO l=1,nlay
	116	DO ig=1,ngrid
	117	zh(ig,l)=ph(ig,l)+pdhfi(ig,l)*ptimestep
	118	zu(ig,l)=pu(ig,l)+pdufi(ig,l)*ptimestep
	119	zv(ig,l)=pv(ig,l)+pdvfi(ig,l)*ptimestep
	120	ENDDO
	121	ENDDO
	122
	123	if(tracer) then
	124	DO iq =1, nq
	125	DO l=1,nlay
	126	DO ig=1,ngrid
	127	zq(ig,l,iq)=pq(ig,l,iq)+pdqfi(ig,l,iq)*ptimestep
	128	ENDDO
	129	ENDDO
	130	ENDDO
	131	end if
	132
	133	zh2(:,:)=zh(:,:)
	134	zu2(:,:)=zu(:,:)
	135	zv2(:,:)=zv(:,:)
	136	zq2(:,:,:)=zq(:,:,:)
	137
	138	! -----------------------------
	139	! Detection of unstable columns
	140	! -----------------------------
	141	! If ph(above) < ph(below) we set vtest=.true.
	142
	143	DO ig=1,ngrid
	144	vtest(ig)=.false.
	145	ENDDO
	146
	147	if (ico2.ne.0) then
	148	! Special case if one of the tracers is CO2 gas
	149	DO l=1,nlay
	150	DO ig=1,ngrid
	151	zhc(ig,l) = zh2(ig,l)(Azq2(ig,l,ico2)+B)
	152	ENDDO
	153	ENDDO
	154	else
	155	zhc(:,:)=zh2(:,:)
	156	end if
	157
	158	! Find out which grid points are convectively unstable
	159	DO l=2,nlay
	160	DO ig=1,ngrid
[161]	161	IF((zhc(ig,l).LT.zhc(ig,l-1)) $
	162	$ .AND. (l .GT. lmax_th(ig))) vtest(ig)=.true.
	163	ENDDO
[38]	164	ENDDO
	165
	166	! Make a list of them
	167	jcnt=0
	168	DO ig=1,ngrid
	169	IF(vtest(ig)) THEN
	170	jcnt=jcnt+1
	171	jadrs(jcnt)=ig
	172	ENDIF
	173	ENDDO
	174
	175
	176	! ---------------------------------------------------------------
	177	! Adjustment of the "jcnt" unstable profiles indicated by "jadrs"
	178	! ---------------------------------------------------------------
	179
	180	DO jj = 1, jcnt ! loop on every convective grid point
	181
	182	i = jadrs(jj)
	183
	184	! Calculate sigma in this column
	185	DO l=1,nlay+1
	186	sig(l)=pplev(i,l)/pplev(i,1)
	187
	188	ENDDO
	189	DO l=1,nlay
	190	dsig(l)=sig(l)-sig(l+1)
	191	sdsig(l)=ppopsk(i,l)*dsig(l)
	192	ENDDO
	193	l2 = 1
	194
	195	! Test loop upwards on l2
	196
[161]	197	DO
	198	l2 = l2 + 1
	199	IF (l2 .GT. nlay) EXIT
	200	IF ((zhc(i, l2) .LT. zhc(i, l2-1)).AND.(l2 .GT. lmax_th(i))) THEN
	201
[38]	202	! l2 is the highest level of the unstable column
	203
	204	l1 = l2 - 1
	205	l = l1
	206	zsm = sdsig(l2)
	207	zdsm = dsig(l2)
	208	zhm = zh2(i, l2)
	209	if(ico2.ne.0) zqco2m = zq2(i,l2,ico2)
	210
	211	! Test loop downwards
	212
	213	DO
	214	zsm = zsm + sdsig(l)
	215	zdsm = zdsm + dsig(l)
	216	zhm = zhm + sdsig(l) * (zh2(i, l) - zhm) / zsm
	217	if(ico2.ne.0) then
	218	zqco2m =
	219	& zqco2m + dsig(l) * (zq2(i,l,ico2) - zqco2m) / zdsm
	220	zhmc = zhm(Azqco2m+B)
	221	else
	222	zhmc = zhm
	223	end if
	224
	225	! do we have to extend the column downwards?
	226
[161]	227	down = .false.
	228	IF (l1 .ne. 1) then !-- and then
	229	IF ((zhmc .lt. zhc(i, l1-1)).and.(l1.gt.lmax_th(i))) then
	230	down = .true.
	231	END IF
	232	END IF
[38]	233
	234	! this could be a problem...
	235
	236	if (down) then
	237
	238	l1 = l1 - 1
	239	l = l1
	240
	241	else
	242
	243	! can we extend the column upwards?
	244
	245	if (l2 .eq. nlay) exit
	246
	247	if (zhc(i, l2+1) .ge. zhmc) exit
	248
	249	l2 = l2 + 1
	250	l = l2
	251
	252	end if ! of if (down)
	253
	254	enddo ! of do ! Test loop forward
	255
	256	! New constant profile (average value)
	257
	258
	259	zalpha=0.
	260	zum=0.
	261	zvm=0.
	262	do iq=1,nq
	263	zqm(iq) = 0.
	264	end do
	265	DO l = l1, l2
	266	if(ico2.ne.0) then
	267	zalpha=zalpha+
	268	& ABS(zhc(i,l)/(A+Bzqco2m) -zhm)dsig(l)
	269	else
	270	zalpha=zalpha+ABS(zh2(i,l)-zhm)*dsig(l)
	271	endif
	272	zh2(i, l) = zhm
	273	! modifs by RDW !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	274	zum=zum+dsig(l)*zu2(i,l)
	275	zvm=zvm+dsig(l)*zv2(i,l)
	276	! zum=zum+dsig(l)*zu(i,l)
	277	! zvm=zvm+dsig(l)*zv(i,l)
	278	do iq=1,nq
	279	zqm(iq) = zqm(iq)+dsig(l)*zq2(i,l,iq)
	280	! zqm(iq) = zqm(iq)+dsig(l)*zq(i,l,iq)
	281	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	282
	283	! to conserve tracers/ KE, we must calculate zum, zvm and zqm using
	284	! the up-to-date column values. If we do not do this, there are cases
	285	! where convection stops at one level and starts at the next where we
	286	! can break conservation of stuff (particularly tracers) significantly.
	287
	288	end do
	289	ENDDO ! of DO l = l1, l2
	290	zalpha=zalpha/(zhm*(sig(l1)-sig(l2+1)))
	291	zum=zum/(sig(l1)-sig(l2+1))
	292	zvm=zvm/(sig(l1)-sig(l2+1))
	293	do iq=1,nq
	294	zqm(iq) = zqm(iq)/(sig(l1)-sig(l2+1))
	295	end do
	296
	297	IF(zalpha.GT.1.) THEN
	298	zalpha=1.
	299	ELSE
	300	! IF(zalpha.LT.0.) STOP
	301	IF(zalpha.LT.1.e-4) zalpha=1.e-4
	302	ENDIF
	303
	304	DO l=l1,l2
	305	zu2(i,l)=zu2(i,l)+zalpha*(zum-zu2(i,l))
	306	zv2(i,l)=zv2(i,l)+zalpha*(zvm-zv2(i,l))
	307	do iq=1,nq
	308	! zq2(i,l,iq)=zq2(i,l,iq)+zalpha*(zqm(iq)-zq2(i,l,iq))
	309	zq2(i,l,iq)=zqm(iq)
	310	end do
	311	ENDDO
	312	if (ico2.ne.0) then
	313	DO l=l1, l2
	314	zhc(i,l) = zh2(i,l)(Azq2(i,l,ico2)+B)
	315	ENDDO
	316	end if
	317
	318
	319	l2 = l2 + 1
	320
	321	END IF ! End of l1 to l2 instability treatment
	322	! We now continue to test from l2 upwards
	323
	324	ENDDO ! End of upwards loop on l2
	325
	326
	327	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	328	! check conservation
	329	cadjncons=0.0
	330	if(water)then
	331	iq = igcm_h2o_vap
	332	do l = 1, nlay
	333	masse = (pplev(i,l) - pplev(i,l+1))/g
	334	cadjncons = cadjncons +
	335	& masse*(zq2(i,l,iq)-zq(i,l,iq))/ptimestep
	336	end do
	337	endif
	338
	339	if(cadjncons.lt.-1.e-6)then
	340	print*,'convadj has just crashed...'
	341	print*,'i = ',i
	342	print*,'l1 = ',l1
	343	print*,'l2 = ',l2
	344	print*,'cadjncons = ',cadjncons
	345	do l = 1, nlay
	346	print*,'dsig = ',dsig(l)
	347	end do
	348	do l = 1, nlay
	349	print*,'dsig = ',dsig(l)
	350	end do
	351	do l = 1, nlay
	352	print*,'sig = ',sig(l)
	353	end do
	354	do l = 1, nlay
	355	print*,'pplay(ig,:) = ',pplay(i,l)
	356	end do
	357	do l = 1, nlay+1
	358	print*,'pplev(ig,:) = ',pplev(i,l)
	359	end do
	360	do l = 1, nlay
	361	print*,'ph(ig,:) = ',ph(i,l)
	362	end do
	363	do l = 1, nlay
	364	print*,'zh(ig,:) = ',zh(i,l)
	365	end do
	366	do l = 1, nlay
	367	print*,'zh2(ig,:) = ',zh2(i,l)
	368	end do
	369	do l = 1, nlay
	370	print*,'zq(ig,:,vap) = ',zq(i,l,igcm_h2o_vap)
	371	end do
	372	do l = 1, nlay
	373	print*,'zq2(ig,:,vap) = ',zq2(i,l,igcm_h2o_vap)
	374	end do
	375	print*,'zqm(vap) = ',zqm(igcm_h2o_vap)
	376	print*,'jadrs=',jadrs
	377
	378	call abort
	379	endif
	380	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	381
	382	ENDDO ! of DO jj = 1, jcnt ! loop on every convective grid point
	383
	384
	385	DO l=1,nlay
	386	DO ig=1,ngrid
	387	pdhadj(ig,l)=(zh2(ig,l)-zh(ig,l))/ptimestep
	388	pduadj(ig,l)=(zu2(ig,l)-zu(ig,l))/ptimestep
	389	pdvadj(ig,l)=(zv2(ig,l)-zv(ig,l))/ptimestep
	390	ENDDO
	391	ENDDO
	392
	393	if(tracer) then
	394	do iq=1, nq
	395	do l=1,nlay
	396	do ig=1, ngrid
	397	pdqadj(ig,l,iq)=(zq2(ig,l,iq)-zq(ig,l,iq))/ptimestep
	398	end do
	399	end do
	400	end do
	401	end if
	402
	403
	404	! output
	405	! if (ngrid.eq.1) then
	406	! ig=1
	407	! iq =1
	408	! write(,)'**convadj: l, pq(ig,l,iq),zq(ig,l,iq),zq2(ig,l,iq)'
	409	! do l=nlay,1,-1
	410	! write(,) l, pq(ig,l,iq),zq(ig,l,iq),zq2(ig,l,iq)
	411	! end do
	412	! end if
	413
	414
	415	return
	416	end
	417

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