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convadj.F @ 3026

Last change on this file since 3026 was 2823, checked in by emillour, 2 years ago
Mars GCM: Remove the "tracer" (logical) flag as we now always run with at least one tracer. EM
File size: 11.2 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
[2311]	10	use comcstfi_h, only: g
[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
[2311]	34	include "callkeys.h"
[38]	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
[2311]	72	INTEGER iq
	73	integer,save :: ico2
[1047]	74	REAL zq(ngrid,nlay,nq), zq2(ngrid,nlay,nq)
[1036]	75	REAL zqm(nq),zqco2m
[2311]	76	real m_co2, m_noco2
	77	real,save :: A, B
[38]	78
	79	real mtot1, mtot2 , mm1, mm2
[2311]	80	integer l1ref, l2ref
	81	LOGICAL vtest(ngrid),down
	82	logical,save :: firstcall=.true.
[38]	83
[2586]	84
	85	!$OMP THREADPRIVATE(ico2,A,B,firstcall)
	86
[38]	87	! for conservation test
	88	real masse,cadjncons
	89
	90	! --------------
	91	! Initialisation
	92	! --------------
	93
[1779]	94	! AS: OK firstcall absolute
[38]	95	IF (firstcall) THEN
[1047]	96
[38]	97	ico2=0
	98	! Prepare Special treatment if one of the tracers is CO2 gas
[1036]	99	do iq=1,nq
[38]	100	if (noms(iq).eq."co2") then
	101	ico2=iq
	102	m_co2 = 44.01E-3 ! CO2 molecular mass (kg/mol)
	103	m_noco2 = 33.37E-3 ! Non condensible mol mass (kg/mol)
	104	! Compute A and B coefficient use to compute
	105	! mean molecular mass Mair defined by
	106	! 1/Mair = q(ico2)/m_co2 + (1-q(ico2))/m_noco2
	107	! 1/Mair = A*q(ico2) + B
	108	A =(1/m_co2 - 1/m_noco2)
	109	B=1/m_noco2
	110	end if
	111	enddo
	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
[2823]	123	zq(1:ngrid,1:nlay,1:nq)=pq(1:ngrid,1:nlay,1:nq)+
	124	& pdqfi(1:ngrid,1:nlay,1:nq)*ptimestep
[38]	125
	126	zh2(:,:)=zh(:,:)
	127	zu2(:,:)=zu(:,:)
	128	zv2(:,:)=zv(:,:)
	129	zq2(:,:,:)=zq(:,:,:)
	130
	131	! -----------------------------
	132	! Detection of unstable columns
	133	! -----------------------------
	134	! If ph(above) < ph(below) we set vtest=.true.
	135
	136	DO ig=1,ngrid
	137	vtest(ig)=.false.
	138	ENDDO
	139
	140	if (ico2.ne.0) then
	141	! Special case if one of the tracers is CO2 gas
	142	DO l=1,nlay
	143	DO ig=1,ngrid
	144	zhc(ig,l) = zh2(ig,l)(Azq2(ig,l,ico2)+B)
	145	ENDDO
	146	ENDDO
	147	else
	148	zhc(:,:)=zh2(:,:)
	149	end if
	150
	151	! Find out which grid points are convectively unstable
	152	DO l=2,nlay
	153	DO ig=1,ngrid
[161]	154	IF((zhc(ig,l).LT.zhc(ig,l-1)) $
	155	$ .AND. (l .GT. lmax_th(ig))) vtest(ig)=.true.
	156	ENDDO
[38]	157	ENDDO
	158
	159	! Make a list of them
	160	jcnt=0
	161	DO ig=1,ngrid
	162	IF(vtest(ig)) THEN
	163	jcnt=jcnt+1
	164	jadrs(jcnt)=ig
	165	ENDIF
	166	ENDDO
	167
	168
	169	! ---------------------------------------------------------------
	170	! Adjustment of the "jcnt" unstable profiles indicated by "jadrs"
	171	! ---------------------------------------------------------------
	172
	173	DO jj = 1, jcnt ! loop on every convective grid point
	174
	175	i = jadrs(jj)
	176
	177	! Calculate sigma in this column
	178	DO l=1,nlay+1
	179	sig(l)=pplev(i,l)/pplev(i,1)
	180
	181	ENDDO
	182	DO l=1,nlay
	183	dsig(l)=sig(l)-sig(l+1)
	184	sdsig(l)=ppopsk(i,l)*dsig(l)
	185	ENDDO
	186	l2 = 1
	187
	188	! Test loop upwards on l2
	189
[161]	190	DO
	191	l2 = l2 + 1
	192	IF (l2 .GT. nlay) EXIT
	193	IF ((zhc(i, l2) .LT. zhc(i, l2-1)).AND.(l2 .GT. lmax_th(i))) THEN
	194
[38]	195	! l2 is the highest level of the unstable column
	196
	197	l1 = l2 - 1
	198	l = l1
	199	zsm = sdsig(l2)
	200	zdsm = dsig(l2)
	201	zhm = zh2(i, l2)
	202	if(ico2.ne.0) zqco2m = zq2(i,l2,ico2)
	203
	204	! Test loop downwards
	205
	206	DO
	207	zsm = zsm + sdsig(l)
	208	zdsm = zdsm + dsig(l)
	209	zhm = zhm + sdsig(l) * (zh2(i, l) - zhm) / zsm
	210	if(ico2.ne.0) then
	211	zqco2m =
	212	& zqco2m + dsig(l) * (zq2(i,l,ico2) - zqco2m) / zdsm
	213	zhmc = zhm(Azqco2m+B)
	214	else
	215	zhmc = zhm
	216	end if
	217
	218	! do we have to extend the column downwards?
	219
[161]	220	down = .false.
	221	IF (l1 .ne. 1) then !-- and then
	222	IF ((zhmc .lt. zhc(i, l1-1)).and.(l1.gt.lmax_th(i))) then
	223	down = .true.
	224	END IF
	225	END IF
[38]	226
	227	! this could be a problem...
	228
	229	if (down) then
	230
	231	l1 = l1 - 1
	232	l = l1
	233
	234	else
	235
	236	! can we extend the column upwards?
	237
	238	if (l2 .eq. nlay) exit
	239
	240	if (zhc(i, l2+1) .ge. zhmc) exit
	241
	242	l2 = l2 + 1
	243	l = l2
	244
	245	end if ! of if (down)
	246
	247	enddo ! of do ! Test loop forward
	248
	249	! New constant profile (average value)
	250
	251
	252	zalpha=0.
	253	zum=0.
	254	zvm=0.
	255	do iq=1,nq
	256	zqm(iq) = 0.
	257	end do
	258	DO l = l1, l2
	259	if(ico2.ne.0) then
	260	zalpha=zalpha+
	261	& ABS(zhc(i,l)/(A+Bzqco2m) -zhm)dsig(l)
	262	else
	263	zalpha=zalpha+ABS(zh2(i,l)-zhm)*dsig(l)
	264	endif
	265	zh2(i, l) = zhm
	266	! modifs by RDW !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	267	zum=zum+dsig(l)*zu2(i,l)
	268	zvm=zvm+dsig(l)*zv2(i,l)
	269	! zum=zum+dsig(l)*zu(i,l)
	270	! zvm=zvm+dsig(l)*zv(i,l)
	271	do iq=1,nq
	272	zqm(iq) = zqm(iq)+dsig(l)*zq2(i,l,iq)
	273	! zqm(iq) = zqm(iq)+dsig(l)*zq(i,l,iq)
	274	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	275
	276	! to conserve tracers/ KE, we must calculate zum, zvm and zqm using
	277	! the up-to-date column values. If we do not do this, there are cases
	278	! where convection stops at one level and starts at the next where we
	279	! can break conservation of stuff (particularly tracers) significantly.
	280
	281	end do
	282	ENDDO ! of DO l = l1, l2
	283	zalpha=zalpha/(zhm*(sig(l1)-sig(l2+1)))
	284	zum=zum/(sig(l1)-sig(l2+1))
	285	zvm=zvm/(sig(l1)-sig(l2+1))
	286	do iq=1,nq
	287	zqm(iq) = zqm(iq)/(sig(l1)-sig(l2+1))
	288	end do
	289
	290	IF(zalpha.GT.1.) THEN
	291	zalpha=1.
	292	ELSE
	293	! IF(zalpha.LT.0.) STOP
	294	IF(zalpha.LT.1.e-4) zalpha=1.e-4
	295	ENDIF
	296
	297	DO l=l1,l2
	298	zu2(i,l)=zu2(i,l)+zalpha*(zum-zu2(i,l))
	299	zv2(i,l)=zv2(i,l)+zalpha*(zvm-zv2(i,l))
	300	do iq=1,nq
	301	! zq2(i,l,iq)=zq2(i,l,iq)+zalpha*(zqm(iq)-zq2(i,l,iq))
	302	zq2(i,l,iq)=zqm(iq)
	303	end do
	304	ENDDO
	305	if (ico2.ne.0) then
	306	DO l=l1, l2
	307	zhc(i,l) = zh2(i,l)(Azq2(i,l,ico2)+B)
	308	ENDDO
	309	end if
	310
	311
	312	l2 = l2 + 1
	313
	314	END IF ! End of l1 to l2 instability treatment
	315	! We now continue to test from l2 upwards
	316
	317	ENDDO ! End of upwards loop on l2
	318
	319
	320	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	321	! check conservation
	322	cadjncons=0.0
	323	if(water)then
	324	iq = igcm_h2o_vap
	325	do l = 1, nlay
	326	masse = (pplev(i,l) - pplev(i,l+1))/g
	327	cadjncons = cadjncons +
	328	& masse*(zq2(i,l,iq)-zq(i,l,iq))/ptimestep
	329	end do
	330	endif
	331
	332	if(cadjncons.lt.-1.e-6)then
	333	print*,'convadj has just crashed...'
	334	print*,'i = ',i
	335	print*,'l1 = ',l1
	336	print*,'l2 = ',l2
	337	print*,'cadjncons = ',cadjncons
	338	do l = 1, nlay
	339	print*,'dsig = ',dsig(l)
	340	end do
	341	do l = 1, nlay
	342	print*,'dsig = ',dsig(l)
	343	end do
	344	do l = 1, nlay
	345	print*,'sig = ',sig(l)
	346	end do
	347	do l = 1, nlay
	348	print*,'pplay(ig,:) = ',pplay(i,l)
	349	end do
	350	do l = 1, nlay+1
	351	print*,'pplev(ig,:) = ',pplev(i,l)
	352	end do
	353	do l = 1, nlay
	354	print*,'ph(ig,:) = ',ph(i,l)
	355	end do
	356	do l = 1, nlay
	357	print*,'zh(ig,:) = ',zh(i,l)
	358	end do
	359	do l = 1, nlay
	360	print*,'zh2(ig,:) = ',zh2(i,l)
	361	end do
	362	do l = 1, nlay
	363	print*,'zq(ig,:,vap) = ',zq(i,l,igcm_h2o_vap)
	364	end do
	365	do l = 1, nlay
	366	print*,'zq2(ig,:,vap) = ',zq2(i,l,igcm_h2o_vap)
	367	end do
	368	print*,'zqm(vap) = ',zqm(igcm_h2o_vap)
	369	print*,'jadrs=',jadrs
	370
[2311]	371	call abort_physic("convadj","crashed",1)
[38]	372	endif
	373	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
	374
	375	ENDDO ! of DO jj = 1, jcnt ! loop on every convective grid point
	376
	377
	378	DO l=1,nlay
	379	DO ig=1,ngrid
	380	pdhadj(ig,l)=(zh2(ig,l)-zh(ig,l))/ptimestep
	381	pduadj(ig,l)=(zu2(ig,l)-zu(ig,l))/ptimestep
	382	pdvadj(ig,l)=(zv2(ig,l)-zv(ig,l))/ptimestep
	383	ENDDO
	384	ENDDO
	385
[2823]	386	pdqadj(1:ngrid,1:nlay,1:nq)=(zq2(1:ngrid,1:nlay,1:nq)
	387	& -zq(1:ngrid,1:nlay,1:nq))/ptimestep
[38]	388
	389	end
	390

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