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tides.f90
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subroutine read_waccm_tides
use ModGitm
use ModTime
use ModInputs
use ModTides
use ModConstants, only: pi
implicit none
logical :: IsFirstTime = .true.
character(len=40) :: Waccm_File_Name
real :: version
integer :: nAlts_gswm, nVars, iVar, iHour
character(len=40), allocatable :: varName(:)
integer :: iTime(7)
real, allocatable :: param(:,:,:,:)
real, dimension(:,:,:), allocatable :: v24c, v24s, v12c, v12s
integer :: iError, iBlock, iLon, iLat, iAlt, iLonW, iLatW, i, j
real :: lon, lat, ri, rj, a
integer :: iAltW
call report("read_waccm_tides",1)
call start_timing("read_waccm_tides")
if (IsFirstTime) then
WACCM_file_name ="UA/DataIn/waccm_tides_2000_03.bin"
IsFirstTime = .false.
endif
iError = 0
if (iDebugLevel > 2) &
write(*,*) "===> Reading File : ",WACCM_file_name
open(iInputUnit_,file=WACCM_file_name,&
status="old",form="unformatted")
read(iInputUnit_) version
read(iInputUnit_) nLonsWaccm, nLatsWaccm, nAltsWaccm
read(iInputUnit_) nVars
if(.not.allocated(varname)) allocate(varname(nvars))
do ivar = 1, nvars
read(iInputUnit_) varname(ivar)
enddo
read(iInputUnit_) iTime
if(.not.allocated(param)) &
allocate(param(nLonsWaccm, nLatsWaccm, nAltsWaccm, nvars))
if(.not.allocated(t_waccm)) then
allocate( &
t_waccm(nLonsWaccm,nLatsWaccm,nAltsWaccm), &
t0_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
ta1_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
ta2_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
tp1_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
tp2_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
u_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
u0_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
ua1_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
ua2_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
up1_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
up2_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
v_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
v0_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
va1_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
va2_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
vp1_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
vp2_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
w_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
omega_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
omega0_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
omegaa1_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
omegaa2_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
omegap1_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
omegap2_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
v24c(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
v24s(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
v12c(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
v12s(nLonsWaccm, nLatsWaccm, nAltsWaccm), &
Alt_Waccm_GitmGrid(-1:nLons+2,-1:nLats+2,nAltsWaccm,nBlocks))
v24c = 0.0
v24s = 0.0
v12c = 0.0
v12s = 0.0
t_waccm = 0.0
t0_waccm = 0.0
ta1_waccm = 0.0
ta2_waccm = 0.0
tp1_waccm = 0.0
tp2_waccm = 0.0
u_waccm = 0.0
u0_waccm = 0.0
ua1_waccm = 0.0
ua2_waccm = 0.0
up1_waccm = 0.0
up2_waccm = 0.0
v_waccm = 0.0
v0_waccm = 0.0
va1_waccm = 0.0
va2_waccm = 0.0
vp1_waccm = 0.0
vp2_waccm = 0.0
w_waccm = 0.0
omega_waccm = 0.0
omega0_waccm = 0.0
omegaa1_waccm = 0.0
omegaa2_waccm = 0.0
omegap1_waccm = 0.0
omegap2_waccm = 0.0
Alt_Waccm_GitmGrid = 0.0
if(.not.allocated(lon_Waccm)) allocate(lon_waccm(nLonsWaccm))
if(.not.allocated(lat_waccm)) allocate(lat_waccm(nLatsWaccm))
if(.not.allocated(alt_waccm)) &
allocate(alt_waccm(nLonsWaccm, nLatsWaccm, nAltsWaccm))
if(.not.allocated(pressure_waccm)) allocate(pressure_waccm(nAltsWaccm))
do ivar = 1, nvars
read(iInputUnit_) param(:,:,:,ivar)
enddo
lon_waccm = param(:,1,1,1)
lat_waccm = param(1,:,1,2)
alt_waccm = param(:,:,:,3)
pressure_waccm = param(1,1,:,4)
t0_waccm = param(:,:,:,5)
v24c = param(:,:,:,6)
v24s = param(:,:,:,7)
v12c = param(:,:,:,8)
v12s = param(:,:,:,9)
call convert_waccm_fields(v24c, v24s, v12c, v12s,&
ta1_waccm, ta2_waccm, tp1_waccm, tp2_waccm)
u0_waccm = param(:,:,:,10)
v24c = param(:,:,:,11)
v24s = param(:,:,:,12)
v12c = param(:,:,:,13)
v12s = param(:,:,:,14)
call convert_waccm_fields(v24c, v24s, v12c, v12s,&
ua1_waccm, ua2_waccm, up1_waccm, up2_waccm)
v0_waccm = param(:,:,:,15)
v24c = param(:,:,:,16)
v24s = param(:,:,:,17)
v12c = param(:,:,:,18)
v12s = param(:,:,:,19)
call convert_waccm_fields(v24c, v24s, v12c, v12s,&
va1_waccm, va2_waccm, vp1_waccm, vp2_waccm)
omega0_waccm = param(:,:,:,20)
v24c = param(:,:,:,21)
v24s = param(:,:,:,22)
v12c = param(:,:,:,23)
v12s = param(:,:,:,24)
call convert_waccm_fields(v24c, v24s, v12c, v12s,&
omegaa1_waccm, omegaa2_waccm, omegap1_waccm, omegap2_waccm)
endif
do iBlock = 1, nBlocks
do iLon = -1, nLons+2
lon = mod(longitude(iLon,iBlock)+2*pi,2*pi)
iLon_Waccm(iLon,iBlock) = 1
do iLonW = 2, nLonsWaccm-1
if (lon_waccm(iLonW) <= lon) iLon_Waccm(iLon,iBlock) = iLonW
enddo
rLon_Waccm(iLon,iBlock) = &
(lon - lon_waccm(iLon_Waccm(iLon,iBlock))) / &
(lon_waccm(iLon_Waccm(iLon,iBlock)+1) - &
lon_waccm(iLon_Waccm(iLon,iBlock)))
enddo
do iLat = -1, nLats+2
lat = Latitude(iLat,iBlock)
if (lat > pi) lat = 2*pi - lat
if (lat < -pi) lat = -2*pi - lat
iLat_Waccm(iLat,iBlock) = 1
do iLatW = 2, nLatsWaccm-1
if (lat_waccm(iLatW) <= lat) iLat_Waccm(iLat,iBlock) = iLatW
enddo
rLat_Waccm(iLat,iBlock) = &
(lat - lat_waccm(iLat_Waccm(iLat,iBlock))) / &
(lat_waccm(iLat_Waccm(iLat,iBlock)+1) - &
lat_waccm(iLat_Waccm(iLat,iBlock)))
enddo
! This is for testing the linear interpolation
! do iLon = 1, nLonsWaccm
! do iLat = 1, nLatsWaccm
! do iAlt = 1, nAltsWaccm
! Alt_waccm(iLon,iLat,iAlt) = lat_waccm(iLat)
! enddo
! enddo
! enddo
do iLon = -1, nLons+2
do iLat = -1, nLats+2
i = iLat_Waccm(iLat,iBlock)
ri = rLat_Waccm(iLat,iBlock)
j = iLon_Waccm(iLon,iBlock)
rj = rLon_Waccm(iLon,iBlock)
do iAlt = 1, nAltsWaccm
! This interpolates and reverses the altitudes.
Alt_Waccm_GitmGrid(iLon,iLat,nAltsWaccm-iAlt+1,iBlock) = &
(1-rj) * (1-ri) * Alt_waccm(j , i,iAlt) + &
(1-rj) * ( ri) * Alt_waccm(j ,i+1,iAlt) + &
( rj) * (1-ri) * Alt_waccm(j+1, i,iAlt) + &
( rj) * ( ri) * Alt_waccm(j+1,i+1,iAlt)
enddo
enddo
enddo
do iLon = -1, nLons+2
do iLat = -1, nLats+2
do iAlt = -1, 0
a = Altitude_gb(iLon,iLat,iAlt,iBlock)
do iAltW = 2, nAltsWaccm-1
if (Alt_Waccm_GitmGrid(iLon,iLat,iAltW,iBlock) <= a) &
iAlt_Waccm(iLon,iLat,iAlt+2,iBlock) = iAltW
enddo
i = iAlt_Waccm(iLon,iLat,iAlt+2,iBlock)
rAlt_Waccm(iLon,iLat,iAlt+2,iBlock) = &
(a - Alt_waccm_GitmGrid(iLon,iLat,i,iBlock)) / &
(Alt_waccm_GitmGrid(iLon,iLat,i+1,iBlock) - &
Alt_waccm_GitmGrid(iLon,iLat,i ,iBlock))
enddo
enddo
enddo
enddo
call end_timing("read_waccm_tides")
end subroutine read_waccm_tides
subroutine convert_waccm_fields(v24c, v24s, v12c, v12s, a1, a2, p1, p2)
use ModTides
implicit none
real, dimension(nLonsWaccm, nLatsWaccm, nAltsWaccm), intent(in) :: &
v24c, v24s, v12c, v12s
real, dimension(nLonsWaccm, nLatsWaccm, nAltsWaccm), intent(out) :: &
a1, a2, p1, p2
a1 = sqrt(v24c**2 + v24s**2)
a2 = sqrt(v12c**2 + v12s**2)
p1 = atan2(v24s,v24c)
p2 = atan2(v12s,v12c)
end subroutine convert_waccm_fields
!-----------------------------------------------------------------------
subroutine update_waccm_tides
use ModSizeGITM
use ModTime, only: uTime
use GITM_planet, only: Rotation_Period
use ModTides
use ModConstants, only: pi
implicit none
real :: ut1, ut2
integer :: iLon, iLat, iAlt, i, j, k, iBlock
real :: ri, rj, rk
call report("update_waccm_tides",1)
ut1 = utime / Rotation_Period * 2.0 * Pi
ut2 = utime / Rotation_Period * 4.0 * Pi
t_waccm = t0_waccm + &
ta1_waccm * cos(ut1 - tp1_waccm) + &
ta2_waccm * cos(ut2 - tp2_waccm)
u_waccm = u0_waccm + &
ua1_waccm * cos(ut1 - up1_waccm) + &
ua2_waccm * cos(ut2 - up2_waccm)
v_waccm = v0_waccm + &
va1_waccm * cos(ut1 - vp1_waccm) + &
va2_waccm * cos(ut2 - vp2_waccm)
omega_waccm = omega0_waccm + &
omegaa1_waccm * cos(ut1 - omegap1_waccm) + &
omegaa2_waccm * cos(ut2 - omegap2_waccm)
do iBlock = 1, nBlocks
do iLon = -1, nLons+2
i = iLon_Waccm(iLon,iBlock)
ri = rLon_Waccm(iLon,iBlock)
do iLat = -1, nLats+2
j = iLat_Waccm(iLat,iBlock)
rj = rLat_Waccm(iLat,iBlock)
do iAlt = -1, 0
k = iAlt_Waccm(iLon,iLat,iAlt+2,iBlock)
rk = rAlt_Waccm(iLon,iLat,iAlt+2,iBlock)
TidesTemp(iLon,iLat,iAlt+2,iBlock) = &
(1-ri)*(1-rj)*(1-rk)*t_waccm(i ,j ,k ) + &
( ri)*(1-rj)*(1-rk)*t_waccm(i+1,j ,k ) + &
(1-ri)*( rj)*(1-rk)*t_waccm(i ,j+1,k ) + &
( ri)*( rj)*(1-rk)*t_waccm(i+1,j+1,k ) + &
(1-ri)*(1-rj)*( rk)*t_waccm(i ,j ,k+1) + &
( ri)*(1-rj)*( rk)*t_waccm(i+1,j ,k+1) + &
(1-ri)*( rj)*( rk)*t_waccm(i ,j+1,k+1) + &
( ri)*( rj)*( rk)*t_waccm(i+1,j+1,k+1)
TidesEast(iLon,iLat,iAlt+2,iBlock) = &
(1-ri)*(1-rj)*(1-rk)*u_waccm(i ,j ,k ) + &
( ri)*(1-rj)*(1-rk)*u_waccm(i+1,j ,k ) + &
(1-ri)*( rj)*(1-rk)*u_waccm(i ,j+1,k ) + &
( ri)*( rj)*(1-rk)*u_waccm(i+1,j+1,k ) + &
(1-ri)*(1-rj)*( rk)*u_waccm(i ,j ,k+1) + &
( ri)*(1-rj)*( rk)*u_waccm(i+1,j ,k+1) + &
(1-ri)*( rj)*( rk)*u_waccm(i ,j+1,k+1) + &
( ri)*( rj)*( rk)*u_waccm(i+1,j+1,k+1)
TidesNorth(iLon,iLat,iAlt+2,iBlock) = &
(1-ri)*(1-rj)*(1-rk)*v_waccm(i ,j ,k ) + &
( ri)*(1-rj)*(1-rk)*v_waccm(i+1,j ,k ) + &
(1-ri)*( rj)*(1-rk)*v_waccm(i ,j+1,k ) + &
( ri)*( rj)*(1-rk)*v_waccm(i+1,j+1,k ) + &
(1-ri)*(1-rj)*( rk)*v_waccm(i ,j ,k+1) + &
( ri)*(1-rj)*( rk)*v_waccm(i+1,j ,k+1) + &
(1-ri)*( rj)*( rk)*v_waccm(i ,j+1,k+1) + &
( ri)*( rj)*( rk)*v_waccm(i+1,j+1,k+1)
TidesOmega(iLon,iLat,iAlt+2,iBlock) = &
(1-ri)*(1-rj)*(1-rk)*omega_waccm(i ,j ,k ) + &
( ri)*(1-rj)*(1-rk)*omega_waccm(i+1,j ,k ) + &
(1-ri)*( rj)*(1-rk)*omega_waccm(i ,j+1,k ) + &
( ri)*( rj)*(1-rk)*omega_waccm(i+1,j+1,k ) + &
(1-ri)*(1-rj)*( rk)*omega_waccm(i ,j ,k+1) + &
( ri)*(1-rj)*( rk)*omega_waccm(i+1,j ,k+1) + &
(1-ri)*( rj)*( rk)*omega_waccm(i ,j+1,k+1) + &
( ri)*( rj)*( rk)*omega_waccm(i+1,j+1,k+1)
enddo
enddo
enddo
enddo
end subroutine update_waccm_tides
subroutine read_tides
use ModGitm
use ModTime
use ModInputs
use ModTides
implicit none
integer :: iComp
logical :: IsFirstTime = .true.
real :: version
integer :: nAlts_gswm, nVars, iVar, iHour
character(len=40), allocatable :: varName(:)
character(len=2) :: cMonth
integer :: time(7)
real, allocatable :: param(:,:,:,:,:)
integer :: iError
call report("read_tides",1)
call start_timing("read_tides")
if (IsFirstTime) then
call i2s(iTimeArray(2), cMonth, 2)
GSWM_file_name(1) ="UA/DataIn/diur_mig_99km_"//cMonth//".bin"
GSWM_file_name(2) ="UA/DataIn/diur_nonmig_99km_"//cMonth//".bin"
GSWM_file_name(3) ="UA/DataIn/semidiur_mig_99km_"//cMonth//".bin"
GSWM_file_name(4) ="UA/DataIn/semidiur_nonmig_99km_"//cMonth//".bin"
IsFirstTime = .false.
endif
iError = 0
do iComp = 1,4
if (UseGswmComp(iComp)) then
if (iDebugLevel > 0) &
write(*,*) "=> Reading File : ",gswm_file_name(iComp)
open(iInputUnit_,file=gswm_file_name(iComp),&
status="old",form="unformatted")
read(iInputUnit_) version
read(iInputUnit_) nLonsGswm, nLatsGswm, nAltsGswm, nvars
if(.not.allocated(varname)) allocate(varname(nvars))
do ivar = 1, nvars
read(iInputUnit_) varname(ivar)
enddo
read(iInputUnit_) time
if(.not.allocated(param)) &
allocate(param(nLonsGswm, nLatsGswm, nAltsGswm, nvars, 24))
if(.not.allocated(u_gswm)) then
allocate(u_gswm(nLonsGswm, nLatsGswm, nAltsGswm, 24))
u_gswm(:,:,:,:) = 0.
endif
if(.not.allocated(v_gswm)) then
allocate(v_gswm(nLonsGswm, nLatsGswm, nAltsGswm, 24))
v_gswm(:,:,:,:) = 0.
endif
if(.not.allocated(t_gswm)) then
allocate(t_gswm(nLonsGswm, nLatsGswm, nAltsGswm, 24))
t_gswm(:,:,:,:) = 0.
endif
if(.not.allocated(lon_gswm)) allocate(lon_gswm(nLonsGswm))
if(.not.allocated(lat_gswm)) allocate(lat_gswm(nLatsGswm))
do ihour = 1, 24
do ivar = 1, nvars
read(iInputUnit_) param(:,:,:,ivar,ihour)
enddo
enddo
lon_gswm(:) = param(:,1,1,1,1)
lat_gswm(:) = param(1,:,1,2,1)
! The GSWM grid is uniform, so let's just assume this!
dLatGswm = lat_gswm(2) - lat_gswm(1)
dLonGswm = lon_gswm(2) - lon_gswm(1)
t_gswm(:,:,:,:) = t_gswm(:,:,:,:) + param(:,:,:,4,:)
u_gswm(:,:,:,:) = u_gswm(:,:,:,:) + param(:,:,:,5,:)
v_gswm(:,:,:,:) = v_gswm(:,:,:,:) + param(:,:,:,6,:)
close(iInputUnit_)
deallocate(varname)
deallocate(param)
endif
enddo
call end_timing("read_tides")
end subroutine read_tides
subroutine update_tides
use ModGitm
use ModTime, only: iTimeArray
use ModInputs, only: iDebugLevel
use ModTides
implicit none
integer :: iLonHalf, iBlock, iLon, iLat, iAlt
integer :: iLonGSWM, iLatGSWM, iFac1, iFac2
real :: rfac
iLonHalf = pi / dLonGswm
rfac = float(iTimeArray(5))/60.0 + float(iTimeArray(6))/3600.0
iFac1 = iTimeArray(4)+1 ! this will go from 1-24
iFac2 = mod(iTimeArray(4)+1,24)+1 ! this will go from 2-25 -> 2-24 back to 1
do iBlock = 1, nBlocks
do iAlt = 1,2
do iLat=-1,nLats+2
do iLon=-1,nLons+2
iLonGSWM = floor(Longitude(iLon, iBlock) / dLonGSWM)
iLonGSWM = mod(iLonGSWM + iLonHalf + nLonsGSWM, nLonsGswm) + 1
iLatGSWM = floor((Latitude(iLat, iBlock) + Pi/2) / dLatGswm) + 1
iLatGSWM = max(1,iLatGSWM)
iLatGSWM = min(nLatsGSWM,iLatGSWM)
if (iDebugLevel > 5) then
write(*,*) "iLon, iLat : ", iLonGSWM, iLatGSWM
write(*,*) "lat/lon : ",Latitude(iLat, iBlock)*180/pi, &
Longitude(iLon, iBlock)*180/pi
write(*,*) "gswm lat/lon : ", &
lat_gswm(iLatGSWM)*180/pi, lon_gswm(iLonGSWM)*180/pi
endif
TidesTemp(iLon,iLat,iAlt,iBlock) = &
(1-rfac) * t_gswm(iLonGSWM, iLatGSWM, 1, iFac1) + &
( rfac) * t_gswm(iLonGSWM, iLatGSWM, 1, iFac2)
TidesEast(iLon,iLat,iAlt,iBlock) = &
(1-rfac) * u_gswm(iLonGSWM, iLatGSWM, 1, iFac1) + &
( rfac) * u_gswm(iLonGSWM, iLatGSWM, 1, iFac2)
TidesNorth(iLon,iLat,iAlt,iBlock) = &
(1-rfac) * v_gswm(iLonGSWM, iLatGSWM, 1, iFac1) + &
( rfac) * v_gswm(iLonGSWM, iLatGSWM, 1, iFac2)
enddo
enddo
enddo
enddo
end subroutine update_tides