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Added dxgrow, dygrow to facilitate variable spaced grid. Modified rec… #746

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merged 14 commits into from
Aug 22, 2022
Merged

Added dxgrow, dygrow to facilitate variable spaced grid. Modified rec… #746

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a0ffc1b
Added dxgrow, dygrow to facilitate variable spaced grid. Modified rec…
daveh150 Aug 2, 2022
923edad
Adding vargrid namelist options.
daveh150 Aug 2, 2022
dd2d6fe
Refactored rectgrid to compute dx/dy first. Then ULON/ULAT. Added sca…
daveh150 Aug 3, 2022
c489486
Added method to check for odd nx_global/ny_global when applying grid …
daveh150 Aug 3, 2022
d333641
Update comments before computing dx/dy
daveh150 Aug 3, 2022
a431bb6
Update comments when checking for even/odd
daveh150 Aug 3, 2022
ad4192f
made grid_lonref, grid_latref namelist varaibles. Removed vargrid_sui…
daveh150 Aug 11, 2022
17f1833
Change grid_lonref/grid_latref to lonrefrect,latrefrect. Reduce defau…
daveh150 Aug 11, 2022
74fd75c
Make new subroutine rectgrid_scale_dxdy to implemnet grid scaling. Re…
daveh150 Aug 15, 2022
3c24947
Add set_nml.scale1 to test vargrid with dxscale/dyscale = 1.d0
daveh150 Aug 15, 2022
0905546
Remove lonrefrec/latrefrec from boxnodyn
daveh150 Aug 15, 2022
ae781de
Merge with recent updated from main
daveh150 Aug 16, 2022
caee6f2
Add lonrefrect, latrafrect to documentation
daveh150 Aug 17, 2022
a4ec3eb
Inserted new scaled grid varibles in alphabetical order in documentation
daveh150 Aug 18, 2022
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7 changes: 6 additions & 1 deletion cicecore/cicedynB/general/ice_init.F90
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Original file line number Diff line number Diff line change
Expand Up @@ -110,7 +110,7 @@ subroutine input_data
grid_ice, grid_ice_thrm, grid_ice_dynu, grid_ice_dynv, &
grid_ocn, grid_ocn_thrm, grid_ocn_dynu, grid_ocn_dynv, &
grid_atm, grid_atm_thrm, grid_atm_dynu, grid_atm_dynv, &
dxrect, dyrect, &
dxrect, dyrect, dxgrow, dygrow, &
pgl_global_ext
use ice_dyn_shared, only: ndte, kdyn, revised_evp, yield_curve, &
evp_algorithm, visc_method, &
Expand Down Expand Up @@ -208,6 +208,7 @@ subroutine input_data
bathymetry_file, use_bathymetry, nfsd, bathymetry_format, &
ncat, nilyr, nslyr, nblyr, &
kcatbound, gridcpl_file, dxrect, dyrect, &
dxgrow, dygrow, &
close_boundaries, orca_halogrid, grid_ice, kmt_type, &
grid_atm, grid_ocn

Expand Down Expand Up @@ -394,6 +395,8 @@ subroutine input_data
ksno = 0.3_dbl_kind ! snow thermal conductivity
dxrect = 0.0_dbl_kind ! user defined grid spacing in cm in x direction
dyrect = 0.0_dbl_kind ! user defined grid spacing in cm in y direction
dxgrow = 1.0_dbl_kind ! user defined rectgrid x-grid growth factor (e.g., 1.02)
dygrow = 1.0_dbl_kind ! user defined rectgrid y-grid growth factor (e.g., 1.02)
close_boundaries = .false. ! true = set land on edges of grid
seabed_stress= .false. ! if true, seabed stress for landfast is on
seabed_stress_method = 'LKD'! LKD = Lemieux et al 2015, probabilistic = Dupont et al. in prep
Expand Down Expand Up @@ -847,6 +850,8 @@ subroutine input_data
call broadcast_scalar(grid_format, master_task)
call broadcast_scalar(dxrect, master_task)
call broadcast_scalar(dyrect, master_task)
call broadcast_scalar(dxgrow, master_task)
call broadcast_scalar(dygrow, master_task)
call broadcast_scalar(close_boundaries, master_task)
call broadcast_scalar(grid_type, master_task)
call broadcast_scalar(grid_ice, master_task)
Expand Down
99 changes: 77 additions & 22 deletions cicecore/cicedynB/infrastructure/ice_grid.F90
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Expand Up @@ -129,6 +129,12 @@ module ice_grid
dxrect, & ! user_specified spacing (cm) in x-direction (uniform HTN)
dyrect ! user_specified spacing (cm) in y-direction (uniform HTE)

! growth factor for variable spaced grid
real (kind=dbl_kind), public :: &
dxgrow, & ! user_specified growth factor in x direction (e.g., 1.02)
dygrow ! user_specified growth factor in y direction (e.g., 1.02)


! Corners of grid boxes for history output
real (kind=dbl_kind), dimension (:,:,:,:), allocatable, public :: &
lont_bounds, & ! longitude of gridbox corners for T point
Expand Down Expand Up @@ -1361,7 +1367,7 @@ subroutine rectgrid
imid, jmid

real (kind=dbl_kind) :: &
length, &
length, l0, &
rad_to_deg

real (kind=dbl_kind), dimension(:,:), allocatable :: &
Expand Down Expand Up @@ -1392,16 +1398,30 @@ subroutine rectgrid

if (my_task == master_task) then
work_g1 = c0
length = dxrect*cm_to_m/radius*rad_to_deg
length = dxrect*cm_to_m/radius*rad_to_deg ! dah: base dlon

! work_g1(1,:) = -55._dbl_kind ! Weddell Sea
work_g1(1,:) = -156.5_dbl_kind ! Barrow AK
! work_g1(1,:) = -55._dbl_kind ! Weddell Sea
! work_g1(1,:) = -156.5_dbl_kind ! Barrow AK
work_g1(:,:) = -156.5_dbl_kind ! Barrow AK

do j = 1, ny_global
do i = 2, nx_global
work_g1(i,j) = work_g1(i-1,j) + length ! ULON
enddo
enddo
! for variable spaced grid,
! split grid spacing to work from center outward

! do from center of grid to left (west)
l0 = length ! first initialize length for ULON array
do i = (nx_global/2)-1, 1, -1
work_g1(i,j) = work_g1(i+1,j) + l0 ! ULON
l0 = l0*dxgrow
enddo ! i

! go from center to right (east)
l0 = length ! initialize lenght factor
do i = (nx_global/2)+1, nx_global, 1
work_g1(i,j) = work_g1(i-1,j) + l0 ! ULON
l0 = l0*dxgrow
enddo ! i
enddo ! j
work_g1(:,:) = work_g1(:,:) / rad_to_deg
endif
call scatter_global(ULON, work_g1, master_task, distrb_info, &
Expand All @@ -1413,14 +1433,28 @@ subroutine rectgrid
work_g1 = c0
length = dyrect*cm_to_m/radius*rad_to_deg

! work_g1(:,1) = -75._dbl_kind ! Weddell Sea
work_g1(:,1) = 71.35_dbl_kind ! Barrow AK
! work_g1(:,1) = -75._dbl_kind ! Weddell Sea
! work_g1(:,1) = 71.35_dbl_kind ! Barrow AK
work_g1(:,:) = 71.35_dbl_kind ! Barrow AK

do i = 1, nx_global
do j = 2, ny_global
work_g1(i,j) = work_g1(i,j-1) + length ! ULAT
enddo
enddo
! split domain to work from center to South/North
! to implement variable spaced grid

! here go fom center of grid south
l0 = length ! initialize lenght factor
do j = (ny_global/2)-1, 1, -1
work_g1(i,j) = work_g1(i,j+1) + l0 ! ULAT
l0 = l0*dygrow
enddo ! j

! here go fom center north
l0 = length ! initialize lenght factor
do j = (ny_global/2)+1, ny_global, 1
work_g1(i,j) = work_g1(i,j-1) + l0 ! ULAT
l0 = l0*dygrow
enddo ! j
enddo ! i
work_g1(:,:) = work_g1(:,:) / rad_to_deg
endif
call scatter_global(ULAT, work_g1, master_task, distrb_info, &
Expand All @@ -1430,19 +1464,40 @@ subroutine rectgrid

if (my_task == master_task) then
do j = 1, ny_global
do i = 1, nx_global
work_g1(i,j) = dxrect ! HTN
enddo
enddo
i = nx_global / 2 ! specify i index to initialize
work_g1(i,j) = dxrect ! initialize center
! go from center to left (west)
do i = (nx_global/2)-1, 1, -1
! expand based on dxgrow
work_g1(i,j) = work_g1(i+1,j)*dxgrow ! HTN
enddo ! i

! from center to right (east)
! loop starts at center+1
! already initialized center in above loop
do i = (nx_global/2)+1, nx_global, 1
! expand based on dxgrow
work_g1(i,j) = work_g1(i-1,j)*dxgrow ! HTN
enddo ! i
enddo ! j
endif
call primary_grid_lengths_HTN(work_g1) ! dxU, dxT, dxN, dxE

if (my_task == master_task) then
do j = 1, ny_global
do i = 1, nx_global
work_g1(i,j) = dyrect ! HTE
enddo
enddo
j = ny_global/2 ! specify j index to initalize
work_g1(i,j) = dyrect ! initialize denter

! go from center to south
do j = (ny_global/2)-1, 1, -1
work_g1(i,j) = work_g1(i,j+1)*dygrow ! HTE
enddo ! j

! go from center to north
do j = (ny_global/2)+1, nx_global, 1
work_g1(i,j) = work_g1(i,j-1)*dygrow ! HTE
enddo ! j
enddo ! i
endif
call primary_grid_lengths_HTE(work_g1) ! dyU, dyT, dyN, dyE

Expand Down
2 changes: 2 additions & 0 deletions configuration/scripts/ice_in
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Expand Up @@ -75,6 +75,8 @@
kcatbound = 0
dxrect = 30.e5
dyrect = 30.e5
dxgrow = 1.0
dygrow = 1.0
close_boundaries = .false.
ncat = 5
nfsd = 1
Expand Down
2 changes: 2 additions & 0 deletions configuration/scripts/options/set_nml.vargrid
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@@ -0,0 +1,2 @@
dxgrow = 1.02
dygrow = 1.01
2 changes: 2 additions & 0 deletions configuration/scripts/tests/gridsys_suite.ts
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Expand Up @@ -10,9 +10,11 @@ smoke gbox80 1x1 boxslotcyl
smoke gbox80 2x4 boxnodyn
#smoke gbox80 2x2 boxsymn,run1day
smoke gbox80 4x2 boxsyme,run1day
smoke gbox80 4x2 boxsyme,run1day,vargrid
#smoke gbox80 4x1 boxsymne,run1day
#smoke gbox80 2x2 boxsymn,run1day,kmtislands
smoke gbox80 4x1 boxsyme,run1day,kmtislands
smoke gbox80 4x1 boxsyme,run1day,kmtislands,vargrid
#smoke gbox80 4x2 boxsymne,run1day,kmtislands
#smoke gbox80 8x1 boxislandsn,run1day
smoke gbox80 4x2 boxislandse,run1day
Expand Down