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Ajuste helicidade relativa para o hemisfério sul #37

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Ajuste helicidade relativa para o hemisfério sul #37

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6609ec8
Update mpas_convective_diagnostics.F
vebermaicon Jun 19, 2026
30b2a90
Merge pull request #1 from vebermaicon/vebermaicon-patch-1
vebermaicon Jun 23, 2026
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92 changes: 57 additions & 35 deletions src/core_atmosphere/diagnostics/mpas_convective_diagnostics.F
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Original file line number Diff line number Diff line change
Expand Up @@ -262,6 +262,7 @@ subroutine convective_diagnostics_compute()
real (kind=RKIND), dimension(:,:), pointer :: pressure_p
real (kind=RKIND), dimension(:,:), pointer :: pressure_base
real (kind=RKIND), dimension(:,:,:), pointer :: scalars
real (kind=RKIND), dimension(:), pointer :: latCell
integer, pointer :: index_qv

real (kind=RKIND), parameter :: dev_motion = 7.5, z_bunker_bot = 0., z_bunker_top = 6000.
Expand Down Expand Up @@ -343,8 +344,9 @@ subroutine convective_diagnostics_compute()
call mpas_pool_get_array(diag, 'pressure_base', pressure_base)
call mpas_pool_get_array(diag, 'pressure_p', pressure_p)


call mpas_pool_get_dimension(state, 'index_qv', index_qv)

call mpas_pool_get_array(mesh, 'latCell', latCell)
allocate(temperature(nVertLevels,nCells))
allocate(dewpoint(nVertLevels,nCells))

Expand Down Expand Up @@ -414,41 +416,61 @@ subroutine convective_diagnostics_compute()
u_mean = integral_zstaggered(uzonal(1:nVertLevels,iCell),zrel,z_bunker_bot,z_bunker_top,nVertLevels,nVertLevelsP1)/(z_bunker_top-z_bunker_bot)
v_mean = integral_zstaggered(umeridional(1:nVertLevels,iCell),zrel,z_bunker_bot,z_bunker_top,nVertLevels,nVertLevelsP1)/(z_bunker_top-z_bunker_bot)
shear_magnitude = max(0.0001,sqrt(u_shear**2 + v_shear**2))
u_storm = u_mean + dev_motion * v_shear/shear_magnitude
v_storm = v_mean - dev_motion * u_shear/shear_magnitude

! calculate horizontal vorticity

do k=2, nVertLevels-1
dudz(k) = (uzonal(k,iCell) -uzonal(k-1,iCell) )/(0.5*(height(k+1,iCell)-height(k-1,iCell)))
dvdz(k) = (umeridional(k,iCell)-umeridional(k-1,iCell))/(0.5*(height(k+1,iCell)-height(k-1,iCell)))
end do
dudz(1) = dudz(2)
dvdz(1) = dvdz(2)
dudz(nVertLevels) = dudz(nVertLevels-1)
dvdz(nVertLevels) = dvdz(nVertLevels-1)

do k=2,nVertLevels
srh(k) = - (0.5*(uzonal(k,iCell) + uzonal(k-1,iCell) )-u_storm)*dvdz(k) &
+ (0.5*(umeridional(k,iCell) + umeridional(k-1,iCell) )-v_storm)*dudz(k)
end do
srh(1) = - (uzonal(1,iCell) - u_storm)*dvdz(1) &
+ (umeridional(1,iCell)- v_storm)*dudz(1)
srh(nVertLevelsP1) = srh(nVertLevels)

do k=1, nVertLevels+1
srh(k) = max(0.,srh(k)) ! discounting negative SRH
end do

if (need_srh_01km) then
srh_0_1km(iCell) = integral_zpoint(srh, zrel, 0.0_RKIND, 1000.0_RKIND, nVertLevelsP1)
end if
if (need_srh_03km) then
srh_0_3km(iCell) = integral_zpoint(srh, zrel, 0.0_RKIND, 3000.0_RKIND, nVertLevelsP1)
end if
end if

end do
! SELEÇÃO DO HEMISFÉRIO / MOVIMENTO DA TEMPESTADE
if (latCell(iCell) < 0.0_RKIND) then

u_storm = u_mean - dev_motion * v_shear / shear_magnitude
v_storm = v_mean + dev_motion * u_shear / shear_magnitude
else

u_storm = u_mean + dev_motion * v_shear / shear_magnitude
v_storm = v_mean - dev_motion * u_shear / shear_magnitude
end if

! calculate horizontal vorticity
do k=2, nVertLevels-1
dudz(k) = (uzonal(k,iCell)-uzonal(k-1,iCell))/(0.5*(height(k+1,iCell)-height(k-1,iCell)))
dvdz(k) = (umeridional(k,iCell)-umeridional(k-1,iCell))/(0.5*(height(k+1,iCell)-height(k-1,iCell)))
end do
dudz(1) = dudz(2)
dvdz(1) = dvdz(2)
dudz(nVertLevels) = dudz(nVertLevels-1)
dvdz(nVertLevels) = dvdz(nVertLevels-1)


do k=2, nVertLevels
srh(k) = - (0.5*(uzonal(k,iCell) + uzonal(k-1,iCell)) - u_storm ) * dvdz(k) &
+ (0.5*(umeridional(k,iCell) + umeridional(k-1,iCell)) - v_storm) * dudz(k)
end do

srh(1) = - (uzonal(1,iCell) - u_storm) * dvdz(1) + (umeridional(1,iCell) - v_storm) * dudz(1)
srh(nVertLevelsP1) = srh(nVertLevels)


!if (latCell(iCell) < 0.0_RKIND) then

! do k=1, nVertLevels+1
! srh(k) = min(0.0_RKIND, srh(k)) ! discounting positive SRH
! end do
!else

! do k=1, nVertLevels+1
! srh(k) = max(0.0_RKIND, srh(k)) ! discounting negative SRH
! end do
!end if

if (need_srh_01km) then
srh_0_1km(iCell) = integral_zpoint(srh, zrel, 0.0_RKIND, 1000.0_RKIND, nVertLevelsP1)
end if

if (need_srh_03km) then
srh_0_3km(iCell) = integral_zpoint(srh, zrel, 0.0_RKIND, 3000.0_RKIND, nVertLevelsP1)
end if

end if

end do

! calculate cape and cin
if (need_cape .or. need_cin) then
Expand Down