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mod_hycom.F90
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#if defined(ROW_LAND)
#define SEA_P .true.
#define SEA_U .true.
#define SEA_V .true.
#elif defined(ROW_ALLSEA)
#define SEA_P allip(j).or.ip(i,j).ne.0
#define SEA_U alliu(j).or.iu(i,j).ne.0
#define SEA_V alliv(j).or.iv(i,j).ne.0
#else
#define SEA_P ip(i,j).ne.0
#define SEA_U iu(i,j).ne.0
#define SEA_V iv(i,j).ne.0
#endif
module mod_hycom
#if defined(USE_ESMF4)
use ESMF_Mod ! ESMF Framework
#endif
use mod_xc ! HYCOM communication interface
use mod_cb_arrays ! HYCOM saved arrays
use mod_za ! HYCOM I/O interface
use mod_pipe ! HYCOM debugging interface
use mod_incupd ! HYCOM incremental update (for data assimilation)
use mod_floats ! HYCOM synthetic floats, drifters and moorings
use mod_tides ! HYCOM tides
use mod_archiv ! HYCOM archives
use mod_mean ! HYCOM mean archives
use mod_momtum ! HYCOM momentum
use mod_tsadvc ! HYCOM scalar advection
use mod_barotp ! HYCOM barotropic
use mod_asselin ! HYCOM Asselin filter
use mod_restart ! HYCOM restart
#if defined(STOKES)
use mod_stokes ! HYCOM Stokes drift
#endif
!
! --- -----------------------------------------
! --- MICOM-based HYbrid Coordinate Ocean Model
! --- H Y C O M
! --- v e r s i o n 2.2
! --- -----------------------------------------
!
implicit none
!
#if defined(USE_ESMF4)
public HYCOM_SetServices
#else
public HYCOM_Init, HYCOM_Run, HYCOM_Final
#endif
!
logical, save, public :: put_export !set in main program
logical, save, public :: get_import !set in main program
logical, save, public :: end_of_run !set in HYCOM_Run
integer, save, public :: nts_day !set in HYCOM_init, timesteps/day
integer, save, public :: nts_ice !set in HYCOM_init, timesteps/ice
!
integer, save, private :: &
m,n
real*8, save, private :: &
d1,d2,d3,d4,d2a,d3a,d4a, &
ddsurf,ddiagf,dproff,dtilef,drstrf,dmeanf, &
dske,dskea,dsmr,dsmra,dsms,dsmsa,dsmt,dsmta,dsum,dsuma, &
dbot, &
#if defined(STOKES)
dskes,dskesa, &
#endif
dsumtr(mxtrcr), &
dtime,dtime0,dbimon,dmonth,dyear,dyear0, &
dsmall,dsmall2
real, save, private :: &
smr,sms,smsa,smt,smx,sum,smin,smax, tsur, &
coord,day1,day2,x,x1,time0,timav,cold,utotp,vtotp
real, save, private, allocatable :: &
sminy(:),smaxy(:)
integer, save, private :: &
nstep0,nod, &
jja, &
lt,ma0,ma1,ma2,ma3,mc0,mc1,mc2,mc3, &
mk0,mk1,mk2,mk3,mr0,mr1,mr2,mr3,mnth,iofl, &
jday,ihour,iyear
logical, save, private :: &
linit,diagsv,hisurf,histry,hiprof,hitile,histmn, &
restrt,diag_tide
character, save, private :: &
intvl*3,c_ydh*14
!
real*8 hours1,days1,days6
private hours1,days1,days6
parameter (hours1=1.d0/24.d0,days1=1.d0,days6=6.d0)
!
! --- tfrz_n = nominal ice melting point (degC) for ice mask
real tfrz_n
private tfrz_n
parameter (tfrz_n=-1.79) !slightly above -1.8
!
#if defined (USE_NUOPC_CESMBETA)
! --- ntavg number of time step between coupling sequence (CESM)
integer :: ntavg, nstep2_cpl
#endif
#if defined (ESPC_COUPLE)
! ESPC -- add
real, save :: nstep1_cpl,nstep2_cpl
#endif
logical, save, public :: end_of_run_cpl !set in HYCOM_Run for coupling
#if defined(USE_ESMF4)
!
! --- Data types for Import/Export array pointers
type ArrayPtrReal2D
real(ESMF_KIND_R4), dimension(:,:), pointer :: p
end type ArrayPtrReal2D
!
! --- Attribute names for fields
character(ESMF_MAXSTR), save :: &
attNameLongName = "long_name", &
attNameStdName = "standard_name", &
attNameUnits = "units", &
attNameSclFac = "scale_factor", &
attNameAddOff = "add_offset"
!
! --- Import Fields
integer, parameter :: numImpFields=11
character(ESMF_MAXSTR), save :: impFieldName( numImpFields), &
impFieldLongName(numImpFields), &
impFieldStdName( numImpFields), &
impFieldUnits( numImpFields)
real(ESMF_KIND_R4), save :: impFieldSclFac( numImpFields), &
impFieldAddOff( numImpFields)
integer, save :: impFieldHalo( numImpFields)
!
! --- Export Fields
integer, parameter :: numExpFields=7
character(ESMF_MAXSTR), save :: expFieldName( numExpFields), &
expFieldLongName(numExpFields), &
expFieldStdName( numExpFields), &
expFieldUnits( numExpFields)
real(ESMF_KIND_R4), save :: expFieldSclFac( numExpFields), &
expFieldAddOff( numExpFields)
integer, save :: expFieldHalo( numExpFields)
!
! --- ESMF related variables
type(ESMF_FieldBundle), save :: expBundle, &
impBundle
type(ESMF_Field), save :: expField(numExpFields), &
impField(numImpFields)
type(ArrayPtrReal2D), save :: expData( numExpFields), &
impData( numImpFields)
!
type(ESMF_Clock), save :: intClock
type(ESMF_VM), save :: vm
type(ESMF_DELayout), save :: deLayout
integer, save :: petCount, localPet, &
mpiCommunicator
type(ESMF_Grid), save :: grid2D
type(ESMF_DistGrid), save :: distgrid2D
type(ESMF_ArraySpec), save :: arraySpec2Dr
!
real, save, allocatable, dimension (:,:) :: &
sic_import & !Sea Ice Concentration
, sitx_import & !Sea Ice X-Stress
, sity_import & !Sea Ice Y-Stress
, siqs_import & !Solar Heat Flux thru Ice to Ocean
, sifh_import & !Ice Freezing/Melting Heat Flux
, sifs_import & !Ice Freezing/Melting Salt Flux
, sifw_import & !Ice Net Water Flux
, sit_import & !Sea Ice Temperature
, sih_import & !Sea Ice Thickness
, siu_import & !Sea Ice X-Velocity
, siv_import & !Sea Ice Y-Velocity
, ocn_mask !Ocean Currents Mask
logical, save :: &
ocn_mask_init
#endif
contains
#if defined(USE_ESMF4)
subroutine HYCOM_SetServices(gridComp, rc)
!
type(ESMF_GridComp) :: gridComp
integer, intent(out) :: rc
!
call ESMF_GridCompSetEntryPoint( &
gridComp, &
ESMF_SETINIT, &
HYCOM_Init, &
ESMF_SINGLEPHASE, &
rc=rc)
call ESMF_GridCompSetEntryPoint( &
gridComp, &
ESMF_SETRUN, &
HYCOM_Run, &
ESMF_SINGLEPHASE, &
rc=rc)
call ESMF_GridCompSetEntryPoint( &
gridComp, &
ESMF_SETFINAL, &
HYCOM_Final, &
ESMF_SINGLEPHASE, &
rc=rc)
!
end subroutine HYCOM_SetServices
subroutine Setup_ESMF(gridComp, impState, expState, extClock, rc)
!
! --- Calling parameters
type(ESMF_GridComp) :: gridComp
type(ESMF_State) :: impState
type(ESMF_State) :: expState
type(ESMF_Clock) :: extClock
integer, intent(out) :: rc
!
! --- set up ESMF data structures for HYCOM.
!
real(ESMF_KIND_R4),pointer :: Xcoord(:,:),Ycoord(:,:)
integer, pointer :: mask_ptr(:,:)
integer :: i,j,rc2
integer :: lbnd(2),ubnd(2)
character(10) :: dimNames(2),dimUnits(2)
type(ESMF_Logical) :: periodic(2)
integer(ESMF_KIND_I4) :: year,month,day,hour,minute
integer(ESMF_KIND_I4) :: sec,msec,usec,nsec
real(8) :: dsec,dmsec,dusec,dnsec
type(ESMF_TimeInterval) :: timeStep, runDuration
type(ESMF_Time) :: startTime
character(ESMF_MAXSTR) :: msg, gridName
!
! --- Report
call ESMF_LogWrite("HYCOM Setup routine called", &
ESMF_LOG_INFO, rc=rc)
call ESMF_LogFlush(rc=rc)
!
! Attributes for import fields, identical to CICE export fields
impFieldAddOff(:) = 0.0 !default is no offset
impFieldSclFac(:) = 1.0 !default is no scale factor
impFieldHalo( :) = halo_ps !default is scalar p-grid
!
impFieldName( 1) = "sic"
impFieldLongName( 1) = "Sea Ice Concentration"
impFieldStdName( 1) = "sea_ice_area_fraction"
impFieldUnits( 1) = "1"
impFieldName( 2) = "sitx"
impFieldLongName( 2) = "Sea Ice X-Stress"
impFieldStdName( 2) = "downward_x_stress_at_sea_ice_base"
impFieldSclFac( 2) = -1.0 !field is upward
impFieldUnits( 2) = "Pa"
impFieldHalo( 2) = halo_pv !vector p-grid
impFieldName( 3) = "sity"
impFieldLongName( 3) = "Sea Ice Y-Stress"
impFieldStdName( 3) = "downward_y_stress_at_sea_ice_base"
impFieldSclFac( 3) = -1.0 !field is upward
impFieldUnits( 3) = "Pa"
impFieldHalo( 3) = halo_pv !vector p-grid
impFieldName( 4) = "siqs"
impFieldLongName( 4) = "Solar Heat Flux thru Ice to Ocean"
impFieldStdName( 4) = "downward_sea_ice_basal_solar_heat_flux"
impFieldUnits( 4) = "W m-2"
impFieldName( 5) = "sifh"
impFieldLongName( 5) = "Ice Freezing/Melting Heat Flux"
impFieldStdName( 5) = "upward_sea_ice_basal_heat_flux"
impFieldSclFac( 5) = -1.0 !field is downward
impFieldUnits( 5) = "W m-2"
impFieldName( 6) = "sifs"
impFieldLongName( 6) = "Ice Freezing/Melting Salt Flux"
impFieldStdName( 6) = "downward_sea_ice_basal_salt_flux"
impFieldUnits( 6) = "kg m-2 s-1"
impFieldName( 7) = "sifw"
impFieldLongName( 7) = "Ice Net Water Flux"
impFieldStdName( 7) = "downward_sea_ice_basal_water_flux"
impFieldUnits( 7) = "kg m-2 s-1"
impFieldName( 8) = "sit" !diagnostic
impFieldLongName( 8) = "Sea Ice Temperature"
impFieldStdName( 8) = "sea_ice_temperature"
impFieldAddOff( 8) = +273.15 !field is in degC
impFieldUnits( 8) = "K"
impFieldName( 9) = "sih" !diagnostic
impFieldLongName( 9) = "Sea Ice Thickness"
impFieldStdName( 9) = "sea_ice_thickness"
impFieldUnits( 9) = "m"
impFieldName( 10) = "siu" !diagnostic
impFieldLongName(10) = "Sea Ice X-Velocity"
impFieldStdName( 10) = "sea_ice_x_velocity"
impFieldUnits( 10) = "m s-1"
impFieldHalo( 10) = halo_pv !vector p-grid
impFieldName( 11) = "siv" !diagnostic
impFieldLongName(11) = "Sea Ice Y-Velocity"
impFieldStdName( 11) = "sea_ice_y_velocity"
impFieldUnits( 11) = "m s-1"
impFieldHalo( 11) = halo_pv !vector p-grid
!
! impFieldName( 12) = "patm"
! impFieldLongName(12) = "Surface Air Pressure"
! impFieldStdName( 12) = "surface_air_pressure"
! impFieldUnits( 12) = "Pa"
! impFieldName( 13) = "xwnd"
! impFieldLongName(13) = "X-Wind"
! impFieldStdName( 13) = "x_wind"
! impFieldUnits( 13) = "m s-1"
! impFieldHalo( 13) = halo_pv !vector p-grid
! impFieldName( 14) = "ywnd"
! impFieldLongName(14) = "Y-Wind"
! impFieldStdName( 14) = "y_wind"
! impFieldUnits( 14) = "m s-1"
! impFieldHalo( 14) = halo_pv !vector p-grid
!
! Attributes for export fields, identical to CICE import fields
expFieldAddOff(:) = 0.0 !default is no offset
expFieldSclFac(:) = 1.0 !default is no scale factor
expFieldHalo( :) = halo_ps !default is scalar p-grid
!
expFieldName( 1) = "sst"
expFieldLongName( 1) = "Sea Surface Temperature"
expFieldStdName( 1) = "sea_surface_temperature"
expFieldAddOff( 1) = +273.15 !field is in degC
expFieldUnits( 1) = "K"
expFieldName( 2) = "sss"
expFieldLongName( 2) = "Sea Surface Salinity"
expFieldStdName( 2) = "sea_surface_salinity"
expFieldUnits( 2) = "1e-3"
expFieldName( 3) = "ssu"
expFieldLongName( 3) = "Sea Surface X-Current"
expFieldStdName( 3) = "sea_water_x_velocity"
expFieldUnits( 3) = "m s-1"
expFieldHalo( 3) = halo_pv !vector p-grid
expFieldName( 4) = "ssv"
expFieldLongName( 4) = "Sea Surface Y-Current"
expFieldStdName( 4) = "sea_water_y_velocity"
expFieldUnits( 4) = "m s-1"
expFieldHalo( 4) = halo_pv !vector p-grid
expFieldName( 5) = "ssh"
expFieldLongName( 5) = "Sea Surface Height"
expFieldStdName( 5) = "sea_surface_height_above_sea_level"
expFieldUnits( 5) = "m"
expFieldName( 6) = "ssfi"
expFieldLongName( 6) = "Oceanic Heat Flux Available to Sea Ice"
expFieldStdName( 6) = "upward_sea_ice_basal_available_heat_flux"
expFieldSclFac( 6) = -1.0 !field is downward
expFieldUnits( 6) = "W m-2"
expFieldName( 7) = "mlt" !diagnostic
expFieldLongName( 7) = "Ocean Mixed Layer Thickness"
expFieldStdName( 7) = "ocean_mixed_layer_thickness"
expFieldUnits( 7) = "m"
!
! Create a DE layout to match HYCOM layout
deLayout = ESMF_DELayoutCreate(vm, rc=rc)
if (ESMF_LogMsgFoundError(rc, &
"Setup_ESMF: DELayoutCreate failed", rcToReturn=rc2)) &
call ESMF_Finalize(rc=rc)
!
! Create array specifications
call ESMF_ArraySpecSet(arraySpec2Dr, &
rank=2, &
typekind=ESMF_TYPEKIND_R4, &
rc=rc)
if (ESMF_LogMsgFoundError(rc, &
"Setup_ESMF: ArraySpecSet failed", rcToReturn=rc2)) &
call ESMF_Finalize(rc=rc)
!
! Create an ESMF grid that matches the HYCOM 2D grid
dimNames(1)="longitude"; dimNames(2)="latitude";
dimUnits(1)="degrees_east"; dimUnits(2)="degrees_north";
periodic(1)=ESMF_TRUE
periodic(2)=ESMF_FALSE
!
! make a dist grid object using the deBlockList defined in mod_xc_mp.h
#if defined(ARCTIC)
! --- Arctic (tripole) domain, top row is replicated (ignore it)
distgrid2D=ESMF_DistGridCreate(minIndex=(/ 1, 1/), &
maxIndex=(/itdm,jtdm-1/), &
indexflag=ESMF_INDEX_GLOBAL, &
deBlockList=deBlockList(:,:,1:ijpr), &
rc=rc)
#else
distgrid2D=ESMF_DistGridCreate(minIndex=(/ 1, 1/), &
maxIndex=(/itdm,jtdm/), &
indexflag=ESMF_INDEX_GLOBAL, &
deBlockList=deBlockList(:,:,1:ijpr), &
rc=rc)
#endif
if (ESMF_LogMsgFoundError(rc, &
"Setup_ESMF: ESMF_DistGridCreate", rcToReturn=rc2)) &
call ESMF_Finalize(rc=rc)
!
! Now create a 2D grid
grid2D=ESMF_GridCreate(distGrid=distGrid2D, &
coordTypeKind=ESMF_TYPEKIND_R4, &
coordDimCount=(/2,2/), &
indexflag=ESMF_INDEX_GLOBAL, &
rc=rc)
if (ESMF_LogMsgFoundError(rc, &
"GridCreate failed",rcToReturn=rc2)) &
call ESMF_Finalize(rc=rc)
!
! Add Grid Coordinates
call ESMF_GridAddCoord(grid=grid2D, &
staggerloc=ESMF_STAGGERLOC_CENTER, &
rc=rc)
if (ESMF_LogMsgFoundError(rc, &
"GridAddCoord failed",rcToReturn=rc2)) &
call ESMF_Finalize(rc=rc)
call ESMF_GridGetCoord(grid=grid2D, &
CoordDim=1, &
localDe=0, &
staggerloc=ESMF_STAGGERLOC_CENTER, &
computationalLbound=lbnd, &
computationalUbound=ubnd, &
fptr=Xcoord, &
rc=rc)
if (ESMF_LogMsgFoundError(rc, &
"GridGetCoord-1 failed",rcToReturn=rc2)) &
call ESMF_Finalize(rc=rc)
#if defined(ARCTIC)
! --- Arctic (tripole) domain, top row is replicated (ignore it)
jja = min( jj, jtdm-1-j0 )
#else
jja = jj
#endif
do j= 1,jja
do i= 1,ii
Xcoord(i+i0,j+j0) = plon(i,j)
enddo
enddo
call ESMF_GridGetCoord(grid=grid2D, &
CoordDim=2, &
localDe=0, &
staggerloc=ESMF_STAGGERLOC_CENTER, &
computationalLbound=lbnd, &
computationalUbound=ubnd, &
fptr=Ycoord, &
rc=rc)
if (ESMF_LogMsgFoundError(rc, &
"GridGetCoord-2 failed",rcToReturn=rc2)) &
call ESMF_Finalize(rc=rc)
do j= 1,jja
do i= 1,ii
Ycoord(i+i0,j+j0) = plat(i,j)
enddo
enddo
CALL ESMF_GridAddItem(grid=grid2D, &
staggerloc=ESMF_STAGGERLOC_CENTER, &
item=ESMF_GRIDITEM_MASK, &
rc=rc)
if (ESMF_LogMsgFoundError(rc, &
"GridAddItem failed",rcToReturn=rc2)) &
call ESMF_Finalize(rc=rc)
CALL ESMF_GridGetItem(grid=grid2D, &
localDE=0, &
staggerloc=ESMF_STAGGERLOC_CENTER, &
item=ESMF_GRIDITEM_MASK, &
fptr=mask_ptr, &
rc=rc)
if (ESMF_LogMsgFoundError(rc, &
"GridGetItem failed",rcToReturn=rc2)) &
call ESMF_Finalize(rc=rc)
mask_ptr(:,:) = 0 !all land, outside active tile
do j= 1,jja
do i= 1,ii
mask_ptr(i+i0,j+j0) = ishlf(i,j)
enddo
enddo
!
! Associate grid with ESMF gridded component
call ESMF_GridCompSet(gridComp, grid=grid2D, rc=rc)
if (ESMF_LogMsgFoundError(rc, &
"Setup_ESMF: GridCompSet", rcToReturn=rc2)) &
call ESMF_Finalize(rc=rc)
!
! Setup export fields, bundles & state
do i=1,numExpFields
expField(i)=ESMF_FieldCreate(grid=grid2D, &
arrayspec=arraySpec2Dr, &
indexflag=ESMF_INDEX_GLOBAL, &
staggerLoc=ESMF_STAGGERLOC_CENTER, &
name=trim(expFieldName(i)), &
rc=rc)
call ESMF_FieldGet(expField(i),0,expData(i)%p,rc=rc)
expData(i)%p(:,:) = 0.0
enddo
!
! Create bundle from list of fields
expBundle=ESMF_FieldBundleCreate(numExpFields, &
expField(:), name='HYCOM Export', &
rc=rc)
!
! Add bundle to the export state
call ESMF_StateAdd(expState,expBundle,rc=rc)
!
! Setup import fields, bundles & state
do i = 1,numImpFields
impField(i)=ESMF_FieldCreate(grid2D,arraySpec2Dr, &
StaggerLoc=ESMF_STAGGERLOC_CENTER, &
name=trim(impFieldName(i)), &
rc=rc)
call ESMF_FieldGet(impField(i),0,impData(i)%p,rc=rc)
impData(i)%p(:,:)=0.0 ! Initialize fields
enddo
!
allocate( sic_import(1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy), &
sitx_import(1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy), &
sity_import(1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy), &
siqs_import(1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy), &
sifh_import(1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy), &
sifs_import(1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy), &
sifw_import(1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy), &
sit_import(1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy), &
sih_import(1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy), &
siu_import(1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy), &
siv_import(1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy) )
call mem_stat_add( 11*(idm+2*nbdy)*(jdm+2*nbdy) )
!
sic_import(:,:) = 0.0 !Sea Ice Concentration
sitx_import(:,:) = 0.0 !Sea Ice X-Stress
sity_import(:,:) = 0.0 !Sea Ice Y-Stress
siqs_import(:,:) = 0.0 !Solar Heat Flux thru Ice to Ocean
sifh_import(:,:) = 0.0 !Ice Freezing/Melting Heat Flux
sifs_import(:,:) = 0.0 !Ice Freezing/Melting Salt Flux
sifw_import(:,:) = 0.0 !Ice Net Water Flux
sit_import(:,:) = 0.0 !Sea Ice Temperature
sih_import(:,:) = 0.0 !Sea Ice Thickness
siu_import(:,:) = 0.0 !Sea Ice X-Velocity
siv_import(:,:) = 0.0 !Sea Ice Y-Velocity
!
! Create bundle from list of fields
impBundle=ESMF_FieldBundleCreate(numImpFields, &
impField(:), &
name='HYCOM Import', &
rc=rc)
!
! Add bundle to the import state
call ESMF_StateAdd(impState,impBundle,rc=rc)
!
ocn_mask_init = .true. !still need to initialize ocn_mask
!
end subroutine Setup_ESMF
subroutine Export_ESMF()
!
! --- Fill export state.
! --- Calculate ssfi "in place"
!
integer i,j,k,rc
real ssh2m
real tmxl,smxl,umxl,vmxl,hfrz,tfrz,t2f,ssfi
real dp1,usur1,vsur1,psur1,dp2,usur2,vsur2,psur2,thksur
!
! --- Report
call ESMF_LogWrite("HYCOM Export routine called", &
ESMF_LOG_INFO, rc=rc)
call ESMF_LogFlush(rc=rc)
!
if (ocn_mask_init) then !very 1st call to this routine
ocn_mask_init = .false.
!
allocate( ocn_mask(1-nbdy:idm+nbdy,1-nbdy:jdm+nbdy) )
call mem_stat_add( (idm+2*nbdy)*(jdm+2*nbdy) )
!
if (iceflg.eq.4) then
ocn_mask(:,:) = 0.0 !export ocean currents nowhere
elseif (nestfq.ne.0.0) then
! export ocean currents away from open boundaries
do j= 1,jj
do i= 1,ii
if (rmunv(i,j).ne.0.0) then
ocn_mask(i,j) = 0.0
else
ocn_mask(i,j) = 1.0
endif
enddo !i
enddo !j
do i= 1,10
call psmooth(ocn_mask,0,0, ip, util1) !not efficient, but only done once
enddo !i
else
ocn_mask(:,:) = 1.0 !export ocean currents everywhere
endif
endif !ocn_mask_init
!
! --- Assume Export State is as defined in Setup_ESMF
! --- Average two time levels since (the coupling frequency) icpfrq >> 2
!
call xctilr(u( 1-nbdy,1-nbdy,1,1),1,2*kk, 1,1, halo_uv)
call xctilr(v( 1-nbdy,1-nbdy,1,1),1,2*kk, 1,1, halo_vv)
call xctilr(ubavg( 1-nbdy,1-nbdy, 1),1, 2, 1,1, halo_uv)
call xctilr(vbavg( 1-nbdy,1-nbdy, 1),1, 2, 1,1, halo_vv)
!
ssh2m = 1.0/g
do j= 1,jja
do i= 1,ii
if (ishlf(i,j).eq.1) then
! --- quantities for available freeze/melt heat flux
! --- relax to tfrz with e-folding time of icefrq time steps
! --- assuming the effective surface layer thickness is hfrz
! --- multiply by dpbl(i,j)/hfrz to get the actual e-folding time
hfrz = min( thkfrz*onem, dpbl(i,j) )
t2f = (spcifh*hfrz)/(baclin*icefrq*g)
! --- average both available time steps, to avoid time splitting.
smxl = 0.5*(saln(i,j,1,n)+saln(i,j,1,m))
tmxl = 0.5*(temp(i,j,1,n)+temp(i,j,1,m))
tfrz = tfrz_0 + smxl*tfrz_s !salinity dependent freezing point
ssfi = (tfrz-tmxl)*t2f !W/m^2 into ocean
! --- average currents over top thkcdw meters
thksur = onem*min( thkcdw, depths(i,j) )
usur1 = 0.0
vsur1 = 0.0
psur1 = 0.0
usur2 = 0.0
vsur2 = 0.0
psur2 = 0.0
do k= 1,kk
dp1 = min( dp(i,j,k,1), max( 0.0, thksur-psur1 ) )
usur1 = usur1 + dp1*(u(i,j,k,1)+u(i+1,j,k,1))
vsur1 = vsur1 + dp1*(v(i,j,k,1)+v(i,j+1,k,1))
#if defined(STOKES)
usur1 = usur1 + dp1*(usd(i,j,k)+usd(i+1,j,k))
vsur1 = vsur1 + dp1*(vsd(i,j,k)+vsd(i,j+1,k))
#endif
psur1 = psur1 + dp1
dp2 = min( dp(i,j,k,2), max( 0.0, thksur-psur2 ) )
usur2 = usur2 + dp2*(u(i,j,k,2)+u(i+1,j,k,2))
vsur2 = vsur2 + dp2*(v(i,j,k,2)+v(i,j+1,k,2))
#if defined(STOKES)
usur2 = usur2 + dp2*(usd(i,j,k)+usd(i+1,j,k))
vsur2 = vsur2 + dp2*(vsd(i,j,k)+vsd(i,j+1,k))
#endif
psur2 = psur2 + dp2
if (min(psur1,psur2).ge.thksur) then
exit
endif
enddo
umxl = 0.25*( usur1/psur1 + ubavg(i, j,1) + &
ubavg(i+1,j,1) + &
usur2/psur2 + ubavg(i, j,2) + &
ubavg(i+1,j,2) )
vmxl = 0.25*( vsur1/psur1 + vbavg(i,j, 1) + &
vbavg(i,j+1,1) + &
vsur2/psur2 + vbavg(i,j, 2) + &
vbavg(i,j+1,2) )
util2(i,j) = umxl
util3(i,j) = vmxl
expData(1)%p(i+i0,j+j0) = tmxl
expData(2)%p(i+i0,j+j0) = smxl
expData(5)%p(i+i0,j+j0) = ssh2m*srfhgt(i,j) !ssh in m
expData(6)%p(i+i0,j+j0) = max(-1000.0,min(1000.0,ssfi)) !as in CICE
expData(7)%p(i+i0,j+j0) = dpbl(i,j)*qonem
else
util2(i,j) = 0.0
util3(i,j) = 0.0
endif !ishlf:else
enddo !i
enddo !j
!
! --- Smooth surface ocean velocity fields
#if defined(ARCTIC)
call xctila( util2,1,1,halo_pv)
call xctila( util3,1,1,halo_pv)
#endif
call psmooth(util2,0,0, ishlf, util1)
call psmooth(util3,0,0, ishlf, util1)
do j= 1,jja
do i= 1,ii
if (ishlf(i,j).eq.1) then
expData(3)%p(i+i0,j+j0) = util2(i,j)*ocn_mask(i,j)
expData(4)%p(i+i0,j+j0) = util3(i,j)*ocn_mask(i,j)
endif !ishlf
enddo !i
enddo !j
!
! --- Report
call ESMF_LogWrite("HYCOM Export routine returned", &
ESMF_LOG_INFO, rc=rc)
call ESMF_LogFlush(rc=rc)
!
end subroutine Export_ESMF
subroutine Import_ESMF()
!
! --- Extract import state.
!
integer i,j,rc
!
! --- Report
call ESMF_LogWrite("HYCOM Import routine called", &
ESMF_LOG_INFO, rc=rc)
call ESMF_LogFlush(rc=rc)
!
! --- Assume Import State is as defined in Setup_ESMF
!
#if defined(ARCTIC)
! --- Arctic (tripole) domain, top row is replicated (ignore it)
jja = min( jj, jtdm-1-j0 )
#else
jja = jj
#endif
do j= 1,jja
do i= 1,ii
if (ishlf(i,j).eq.1) then
sic_import(i,j) = impData( 1)%p(i+i0,j+j0) !Sea Ice Concentration
sitx_import(i,j) = impData( 2)%p(i+i0,j+j0) !Sea Ice X-Stress
sity_import(i,j) = impData( 3)%p(i+i0,j+j0) !Sea Ice Y-Stress
siqs_import(i,j) = impData( 4)%p(i+i0,j+j0) !Solar Heat Flux thru Ice to Ocean
sifh_import(i,j) = impData( 5)%p(i+i0,j+j0) !Ice Freezing/Melting Heat Flux
sifs_import(i,j) = impData( 6)%p(i+i0,j+j0) !Ice Freezing/Melting Salt Flux
sifw_import(i,j) = impData( 7)%p(i+i0,j+j0) !Ice Net Water Flux
sit_import(i,j) = impData( 8)%p(i+i0,j+j0) !Sea Ice Temperature
sih_import(i,j) = impData( 9)%p(i+i0,j+j0) !Sea Ice Thickness
siu_import(i,j) = impData(10)%p(i+i0,j+j0) !Sea Ice X-Velocity
siv_import(i,j) = impData(11)%p(i+i0,j+j0) !Sea Ice Y-Velocity
if (iceflg.ge.2 .and. icmflg.ne.3) then
covice(i,j) = impData(1)%p(i+i0,j+j0) !Sea Ice Concentration
si_c(i,j) = impData(1)%p(i+i0,j+j0) !Sea Ice Concentration
if (covice(i,j).gt.0.0) then
si_tx(i,j) = -impData( 2)%p(i+i0,j+j0) !Sea Ice X-Stress into ocean
si_ty(i,j) = -impData( 3)%p(i+i0,j+j0) !Sea Ice Y-Stress into ocean
fswice(i,j) = impData( 4)%p(i+i0,j+j0) !Solar Heat Flux thru Ice to Ocean
flxice(i,j) = fswice(i,j) + &
impData( 5)%p(i+i0,j+j0) !Ice Freezing/Melting Heat Flux
sflice(i,j) = impData( 6)%p(i+i0,j+j0)*1.e3
!Ice Freezing/Melting Salt Flux
wflice(i,j) = impData( 7)%p(i+i0,j+j0) !Ice Water Flux
temice(i,j) = impData( 8)%p(i+i0,j+j0) !Sea Ice Temperature
si_t(i,j) = impData( 8)%p(i+i0,j+j0) !Sea Ice Temperature
thkice(i,j) = impData( 9)%p(i+i0,j+j0) !Sea Ice Thickness
si_h(i,j) = impData( 9)%p(i+i0,j+j0) !Sea Ice Thickness
si_u(i,j) = impData(10)%p(i+i0,j+j0) !Sea Ice X-Velocity
si_v(i,j) = impData(11)%p(i+i0,j+j0) !Sea Ice Y-Velocity
else
si_tx(i,j) = 0.0
si_ty(i,j) = 0.0
fswice(i,j) = 0.0
flxice(i,j) = 0.0
sflice(i,j) = 0.0
wflice(i,j) = 0.0
temice(i,j) = 0.0
si_t(i,j) = 0.0
thkice(i,j) = 0.0
si_h(i,j) = 0.0
si_u(i,j) = 0.0
si_v(i,j) = 0.0
endif !covice
elseif (iceflg.ge.2 .and. icmflg.eq.3) then
si_c(i,j) = impData( 1)%p(i+i0,j+j0) !Sea Ice Concentration
if (si_c(i,j).gt.0.0) then
si_tx(i,j) = -impData( 2)%p(i+i0,j+j0) !Sea Ice X-Stress into ocean
si_ty(i,j) = -impData( 3)%p(i+i0,j+j0) !Sea Ice Y-Stress into ocean
si_h(i,j) = impData( 9)%p(i+i0,j+j0) !Sea Ice Thickness
si_t(i,j) = impData( 8)%p(i+i0,j+j0) !Sea Ice Temperature
si_u(i,j) = impData(10)%p(i+i0,j+j0) !Sea Ice X-Velocity
si_v(i,j) = impData(11)%p(i+i0,j+j0) !Sea Ice Y-Velocity
else
si_tx(i,j) = 0.0
si_ty(i,j) = 0.0
si_h(i,j) = 0.0
si_t(i,j) = 0.0
si_u(i,j) = 0.0
si_v(i,j) = 0.0
endif !covice
endif !iceflg>=2 (icmflg)
endif !ishlf
enddo !i
enddo !j
#if defined(ARCTIC)
!
! --- update last active row of array
call xctila( sic_import,1,1,halo_ps) !Sea Ice Concentration
call xctila(sitx_import,1,1,halo_pv) !Sea Ice X-Stress
call xctila(sity_import,1,1,halo_pv) !Sea Ice Y-Stress
call xctila(siqs_import,1,1,halo_ps) !Solar Heat Flux thru Ice to Ocean
call xctila(sifh_import,1,1,halo_ps) !Ice Freezing/Melting Heat Flux
call xctila(sifs_import,1,1,halo_ps) !Ice Freezing/Melting Salt Flux
call xctila(sifw_import,1,1,halo_ps) !Ice Net Water Flux
call xctila( sit_import,1,1,halo_ps) !Sea Ice Temperature
call xctila( sih_import,1,1,halo_ps) !Sea Ice Thickness
call xctila( siu_import,1,1,halo_pv) !Sea Ice X-Velocity
call xctila( siv_import,1,1,halo_pv) !Sea Ice Y-Velocity
if (iceflg.ge.2 .and. icmflg.ne.3) then
call xctila(covice,1,1,halo_ps) !Sea Ice Concentration
call xctila( si_c,1,1,halo_ps) !Sea Ice Concentration
call xctila( si_tx,1,1,halo_pv) !Sea Ice X-Stress into ocean
call xctila( si_ty,1,1,halo_pv) !Sea Ice Y-Stress into ocean
call xctila(fswice,1,1,halo_ps) !Solar Heat Flux thru Ice to Ocean
call xctila(flxice,1,1,halo_ps) !Sea Ice Freezing/Melting Heat Flux
call xctila(sflice,1,1,halo_ps) !Sea Ice Freezing/Melting Salt Flux
call xctila(wflice,1,1,halo_ps) !Sea Ice Water Flux
call xctila(temice,1,1,halo_ps) !Sea Ice Temperature
call xctila( si_t,1,1,halo_ps) !Sea Ice Temperature
call xctila(thkice,1,1,halo_ps) !Sea Ice Thickness
call xctila( si_h,1,1,halo_ps) !Sea Ice Thickness
call xctila( si_u,1,1,halo_pv) !Sea Ice X-Velocity
call xctila( si_v,1,1,halo_pv) !Sea Ice Y-Velocity
elseif (iceflg.ge.2 .and. icmflg.eq.3) then
call xctila( si_c,1,1,halo_ps) !Sea Ice Concentration
call xctila( si_tx,1,1,halo_pv) !Sea Ice X-Stress into ocean
call xctila( si_ty,1,1,halo_pv) !Sea Ice Y-Stress into ocean
call xctila( si_h,1,1,halo_ps) !Sea Ice Thickness
call xctila( si_t,1,1,halo_ps) !Sea Ice Temperature
call xctila( si_u,1,1,halo_pv) !Sea Ice X-Velocity
call xctila( si_v,1,1,halo_pv) !Sea Ice Y-Velocity
endif
#endif
!
! --- Smooth Sea Ice velocity fields
call psmooth(si_u,0,0, ishlf, util1)
call psmooth(si_v,0,0, ishlf, util1)
#if defined(ARCTIC)
call xctila(si_u,1,1,halo_pv)
call xctila(si_v,1,1,halo_pv)
#endif
! --- copy back from si_ to impData for Archive_ESMF
do j= 1,jja
do i= 1,ii
if (si_c(i,j).gt.0.0) then
impData(10)%p(i+i0,j+j0) = si_u(i,j) !Sea Ice X-Velocity
impData(11)%p(i+i0,j+j0) = si_v(i,j) !Sea Ice X-Velocity
endif !si_c
enddo !i
enddo !j
!
! --- Report
call ESMF_LogWrite("HYCOM Import routine returned", &
ESMF_LOG_INFO, rc=rc)
call ESMF_LogFlush(rc=rc)
!
end subroutine Import_ESMF
subroutine Archive_ESMF(iyear,jday,ihour)
integer iyear,jday,ihour
!
! --- Create a HYCOM "archive-like" file from Import/Export state.
! --- Import state may not be at the same time as Export.
! --- Ice Drift has been smoothed since import.
!
logical hycom_isnaninf !function to detect NaN and Inf
!
character*8 cname
character*80 cfile
logical lexist
integer i,j,k,nop,nopa,rc
real coord,xmin,xmax,sumssu,sumssv,sumsiu,sumsiv
!
! --- Report
call ESMF_LogWrite("HYCOM Archive routine called", &
ESMF_LOG_INFO, rc=rc)
call ESMF_LogFlush(rc=rc)
!
write(cfile,'(a,i4.4,a1,i3.3,a1,i2.2)') &
'arche.',iyear,'_',jday,'_',ihour
nopa=13
nop =13+uoff
!
! --- Only write out one archive per hour
!
inquire(file=trim(cfile)//'.a',exist=lexist)
if (lexist) then
!
! --- Report
call ESMF_LogWrite("HYCOM Archive routine returned early", &
ESMF_LOG_INFO, rc=rc)
call ESMF_LogFlush(rc=rc)
!
if (mnproc.eq.1) then
write(lp,*) 'skip: ',trim(cfile)
call flush(lp)
endif !1st tile
return
else
if (mnproc.eq.1) then
write(lp,*) 'open: ',trim(cfile)
call flush(lp)
endif !1st tile
endif
call xcsync(flush_lp)
!
call zaiopf(trim(cfile)//'.a', 'new', nopa)
if (mnproc.eq.1) then
open (unit=nop,file=trim(cfile)//'.b',status='new') !uoff+13
write(nop,116) ctitle,iversn,iexpt,yrflag,itdm,jtdm
call flush(nop)
endif !1st tile
116 format (a80/a80/a80/a80/ &
i5,4x,'''iversn'' = hycom version number x10'/ &
i5,4x,'''iexpt '' = experiment number x10'/ &
i5,4x,'''yrflag'' = days in year flag'/ &
i5,4x,'''idm '' = longitudinal array size'/ &
i5,4x,'''jdm '' = latitudinal array size'/ &
'field time step model day', &
' k dens min max')
!
! --- surface fields
!
coord=0.0
do k= 1,numExpFields
do j= 1,jja
do i= 1,ii
if (ishlf(i,j).eq.1) then
util1(i,j) = expData(k)%p(i+i0,j+j0)
endif !ishlf
enddo !i
enddo !j
#if defined(ARCTIC)
call xctila(util1,1,1,expFieldHalo(k))
#endif
cname = expFieldName(k)(1:8)
call zaiowr(util1,ishlf,.true., &
xmin,xmax, nopa, .false.)
if (mnproc.eq.1) then
write (nop,117) cname,nstep,time,0,coord,xmin,xmax
call flush(nop)
endif !1st tile
enddo !k
do j= 1,jja
do i= 1,ii
if (ishlf(i,j).eq.1) then
util2(i,j) = impData(1)%p(i+i0,j+j0) !ice concentration
else
util2(i,j) = 0.0
endif !ishlf
enddo !i
enddo !j
#if defined(ARCTIC)
call xctila(util2,1,1,halo_ps)
#endif
cname = impFieldName(1)(1:8)
call zaiowr(util2,ishlf,.true., &
xmin,xmax, nopa, .false.)
if (mnproc.eq.1) then
write (nop,117) cname,nstep,time,0,coord,xmin,xmax
call flush(nop)
endif !1st tile
do k= 2,3 !si_tx,si_ty
do j= 1,jja
do i= 1,ii
if (util2(i,j).ne.0.0) then
util1(i,j) = -impData(k)%p(i+i0,j+j0) !into ocean
else
util1(i,j) = 0.0
endif !ice:no-ice
enddo !i
enddo !j
#if defined(ARCTIC)
call xctila(util1,1,1,impFieldHalo(k))
#endif
cname = impFieldName(k)(1:8)
call zaiowr(util1,ishlf,.true., &
xmin,xmax, nopa, .false.)
if (mnproc.eq.1) then
write (nop,117) cname(1:4)//'down', &
nstep,time,0,coord,xmin,xmax
call flush(nop)
endif !1st tile
enddo !k
do k= 4,7 !fluxes
do j= 1,jja
do i= 1,ii
if (util2(i,j).ne.0.0) then
util1(i,j) = util2(i,j)*impData(k)%p(i+i0,j+j0)
else
util1(i,j) = hugel !mask where there is no ice
endif !ice:no-ice
enddo !i
enddo !j
#if defined(ARCTIC)
vland = hugel
call xctila(util1,1,1,impFieldHalo(k))
vland = 0.0
#endif
cname = impFieldName(k)(1:8)
call zaiowr(util1,ishlf,.false., & !mask on ice
xmin,xmax, nopa, .false.)
if (mnproc.eq.1) then
write (nop,117) cname,nstep,time,0,coord,xmin,xmax
call flush(nop)
endif !1st tile
enddo !k
do k= 8,numImpFields
do j= 1,jja
do i= 1,ii
if (util2(i,j).ne.0.0) then
util1(i,j) = impData(k)%p(i+i0,j+j0)
else
util1(i,j) = hugel !mask where there is no ice
endif !ice:no-ice
enddo !i
enddo !j
#if defined(ARCTIC)
vland = hugel
call xctila(util1,1,1,impFieldHalo(k))
vland = 0.0
#endif
cname = impFieldName(k)(1:8)
call zaiowr(util1,ishlf,.false., & !mask on ice
xmin,xmax, nopa, .false.)
if (mnproc.eq.1) then
write (nop,117) cname,nstep,time,0,coord,xmin,xmax
call flush(nop)
endif !1st tile
enddo !k
do j= 1,jja
do i= 1,ii
if (util2(i,j).ne.0.0) then
util1(i,j) = -impData( 7)%p(i+i0,j+j0) !water flux