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Bug fix in optical_prep_gocart #667

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Merged
davegill merged 2 commits into from
Oct 24, 2018
Merged

Bug fix in optical_prep_gocart #667

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ee5846d
Bug fix in optical_prep_gocart
saneku Oct 16, 2018
d8b11e0
Update module_optical_averaging.F
saneku Oct 17, 2018
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12 changes: 7 additions & 5 deletions chem/module_optical_averaging.F
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Expand Up @@ -3529,7 +3529,10 @@ end subroutine optical_prep_mam
! SAM 7/18/09 - Modal parameters for OC1 (hydrophobic) OC2 (hydrophylic), BC1,BC2,
! and sulfate - just use dginia (meters) and sginia from module_data_sorgam.
! Not using accumulation mode from d'Almedia 1991 Table 7.1 and 7.2 global model
!
! 10/16/18 - A. Ukhov, bug fix: dust particles having radii in the range 0.1-0.46 microns
! were not accounted in the calculation of the mass redistribution between the GOCART and
! MOZAIC grids.

! This subroutine computes volume-averaged refractive index and wet radius needed
! by the mie calculations. Aerosol number is also passed into the mie calculations
! in terms of other units.
Expand All @@ -3553,7 +3556,7 @@ subroutine optical_prep_gocart(nbin_o, chem, alt,relhum, &
! real*8, DIMENSION (4), PARAMETER :: rb(4)=(/5.d-1,1.5d0,5.d0,1.d1/)
! real*8, DIMENSION (4), PARAMETER :: den_seas(4)=(/2.2d3,2.2d3,2.2d3,2.2d3/)
! real*8, DIMENSION (4), PARAMETER :: reff_seas(4)=(/0.30D-6,1.00D-6,3.25D-6,7.50D-6/)
USE module_data_gocart_dust, only: ndust, reff_dust, den_dust
USE module_data_gocart_dust, only: ndust, reff_dust, den_dust,ra_dust,rb_dust
! real*8, DIMENSION (5), PARAMETER :: den_dust(5)=(/2500.,2650.,2650.,2650.,2650./)
! real*8, DIMENSION (5), PARAMETER :: reff_dust(5)=(/0.73D-6,1.4D-6,2.4D-6,4.5D-6,8.0D-6/)

Expand Down Expand Up @@ -3716,15 +3719,14 @@ subroutine optical_prep_gocart(nbin_o, chem, alt,relhum, &
! WRITE(*,*)' ',' ',(dlo_sectm(n),n=1,nbin_o)
! WRITE(*,*)' ',' ',(dhi_sectm(n),n=1,nbin_o)
dustfrc_goc8bin=0.
dlogoc=0.46*2.E-6 ! Begin lower dust bin, makes upper limit diam 20 micron diameter
do m =1, ndust ! loop over dust size bins
dhigoc = 2.*2.*reff_dust(m)-dlogoc ! hi diameter limit (m)
dlogoc = ra_dust(m)*2.E-6 ! low diameter limit (m)
dhigoc = rb_dust(m)*2.E-6 ! hi diameter limit (m)
do n = 1, nbin_o
dustfrc_goc8bin(m,n)=max(DBLE(0.),min(DBLE(dhi_sectm(n)),dhigoc)- &
max(dlogoc,DBLE(dlo_sectm(n))) )/(dhigoc-dlogoc)
end do
! WRITE(*,*)m,dlogoc,dhigoc,(dustfrc_goc8bin(m,n),n=1,nbin_o)
dlogoc=dhigoc
end do
kcall=kcall+1
! ISTOP=1
Expand Down
5 changes: 5 additions & 0 deletions phys/module_data_gocart_dust.F
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Expand Up @@ -29,6 +29,11 @@ Module module_data_gocart_dust
! real*8, DIMENSION (ndust), PARAMETER :: lo_dust=(/0.1D-6,1.0D-6,1.8D-6,3.0D-6,6.0D-6/)
! real*8, DIMENSION (ndust), PARAMETER :: up_dust=(/1.0D-6,1.8D-6,3.0D-6,6.0D-6,10.0D-6/)

!GOCART bins radii ranges
real*8, DIMENSION (5), PARAMETER :: ra_dust(5)=(/1.d-1,1.0d0,1.8d0,3.0d0,6.0d0/)
real*8, DIMENSION (5), PARAMETER :: rb_dust(5)=(/1.0d0,1.8d0,3.0d0,6.0d0,10.0d0/)


END Module module_data_gocart_dust