#!/bin/bash

# ICON
#
# ------------------------------------------
# Copyright (C) 2004-2026, DWD, MPI-M, DKRZ, KIT, ETH, MeteoSwiss
# Contact information: icon-model.org
# See AUTHORS.TXT for a list of authors
# See LICENSES/ for license information
# SPDX-License-Identifier: BSD-3-Clause
# ------------------------------------------

set -x

# ----------------------------------------------------------------------------
# specifiy experiment (idealized simulation)
# ----------------------------------------------------------------------------
EXPNAME=SCM_DYCOMS-II

# ----------------------------------------------------------------------------
# path definitions
# ----------------------------------------------------------------------------

# base directory for ICON sources and binary:
ICONDIR="$PWD/../../.."

# SCM data directory (grids, init data, extpar)
SCMDATA=/hpc/uwork/mkoehler/scm/data       # at DWD on NEC

# directory with input grids:
GRIDDIR=${SCMDATA}/grid

# directory with input data:
INITDIR=${SCMDATA}/init_data

# absolute path to directory with plenty of space:
EXPDIR=${SCMDATA}/${EXPNAME}

# path to model binary, including the executable:
MODEL=${ICONDIR}/bin/icon


# ----------------------------------------------------------------------------
# copy input data: grids, external parameters, model
# ----------------------------------------------------------------------------

# the directory for the experiment will be created, if not already there
if [ ! -d $EXPDIR ]; then
    mkdir -p $EXPDIR
fi
cd ${EXPDIR}

# files needed for radiation
ln -sf ${ICONDIR}/data/ECHAM6_CldOptProps.nc .
ln -sf ${ICONDIR}/data/rrtmg_lw.nc .

# APE BCs
ln -sf ${ICONDIR}/data/external/ape_o3_R2B04_1Pa_spr0.90-cell.nc o3_icon_DOM01.nc


# link binary
ln -sf $MODEL icon


#-----------------------------------------------------------------------------
# model timing
#-----------------------------------------------------------------------------

# 0.4 s for 70 m res., 0.5 for 100 m; 30 s for 2.5 km?
dtime=60
dt_checkpoint=`expr 36 \* 3600`  # write restart file every hours (when lrestart = TRUE)
nhours=24
#nhours=1
nsteps=`expr ${nhours} \* 3600 / ${dtime}`

start_date="2001-06-09T00:00:00Z"
end_date="2001-06-10T00:00:00Z"

#-----------------------------------------------------------------------------
# output
#-----------------------------------------------------------------------------
DT_DATA=`expr 1 \* 3600`      # output each n hours
DT_DATA=${dtime}              # output every time step
#n_in_ofile=60                # number of time steps per output file
n_in_ofile=10000              # number of time steps per output file

# ----------------------------------------------------------------------------
# grid namelist settings
# ----------------------------------------------------------------------------

# the grid parameters
atmo_dyn_grids="Torus_Triangles_4x4_2500m.nc"
atmo_rad_grids=""

# reconstruct the grid parameters in namelist form
dynamics_grid_filename=""
for gridfile in ${atmo_dyn_grids}; do
  dynamics_grid_filename="${dynamics_grid_filename} '${gridfile}',"
done
radiation_grid_filename=""
for gridfile in ${atmo_rad_grids}; do
  radiation_grid_filename="${radiation_grid_filename} '${gridfile}',"
done

ln -sf ${GRIDDIR}/${atmo_dyn_grids} .

#forcings
ln -sf ${INITDIR}/init_SCM_DYCOMS-II.nc init_SCM.nc

# ----------------------------------------------------------------------------
# create ICON master namelist
# ----------------------------------------------------------------------------

cat > icon_master.namelist << EOF

! master_nml: ----------------------------------------------------------------
&master_nml
 lrestart                    =                     .FALSE.        ! .TRUE.=current experiment is resumed
/

! master_model_nml: repeated for each model ----------------------------------
&master_model_nml
 model_type                  =                          1         ! identifies which component to run (atmosphere,ocean,...)
 model_name                  =                      "ATMO"        ! character string for naming this component.
 model_namelist_filename     =       "NAMELIST_${EXPNAME}"        ! file name containing the model namelists
 model_min_rank              =                          1         ! start MPI rank for this model
 model_max_rank              =                      65536         ! end MPI rank for this model
 model_inc_rank              =                          1         ! stride of MPI ranks
/

! time_nml: specification of date and time------------------------------------
&time_nml
 ini_datetime_string         =               "$start_date"        ! initial date and time of the simulation
 end_datetime_string         =                 "$end_date"        ! initial date and time of the simulation
/

EOF


# ----------------------------------------------------------------------------
# model namelists
# ----------------------------------------------------------------------------
# For a complete list see Namelist_overview.pdf

cat > NAMELIST_${EXPNAME} << EOF

&parallel_nml
 nproma         =  8
 p_test_run     = .false.
 num_io_procs   =  1         ! number of I/O processors
 l_test_openmp  = .false.
 l_log_checks   = .false.
/

&grid_nml
 dynamics_grid_filename = "${atmo_dyn_grids}",
 corio_lat = 31.00
 is_plane_torus = .TRUE.
 l_scm_mode = .TRUE.       ! main logical to turn on SCM mode
/

&SCM_nml
 i_scm_netcdf = 1            ! read initial profiles and forcings from netcdf
 lscm_read_tke= .TRUE.      !read initial tke from netcdf
 lscm_read_z0 = .TRUE.      !read initial z0 from netcdf
 scm_sfc_mom  = 4           ! 2-prescribed u* ;4-prescribed drag coefficient
 scm_sfc_temp = 2           ! prescribed sensible heat flux at surface
 scm_sfc_qv   = 2           ! prescribed latent heat flux at surface
/

&io_nml
 dt_checkpoint  = ${dt_checkpoint}
 lkeep_in_sync    = .true.
/

&run_nml
 num_lev        = 87           ! number of full levels of vertical grid
 dtime          = ${dtime}     ! timestep in seconds
 nsteps         = ${nsteps}
 ldynamics      = .FALSE.      ! compute adiabatic dynamic tendencies
 ltransport     = .FALSE.
 ntracer        = 5            ! default: 0
 iforcing       = 3            ! 3: NWP forcing; 6:inhecham forcing
 ltestcase      = .TRUE.       ! run testcase
 ltimer         = .FALSE.      !
 msg_level      = 12           ! detailed report during integration
 output         = 'nml','totint'
/

&nwp_phy_nml
 inwp_gscp       = 1
 inwp_convection = 1 ! 1:Tiedtke/Bechtold, 0:off
 inwp_radiation  = 0 ! 1:RRTM radiation
 inwp_cldcover   = 1 ! 3: clouds from COSMO SGS cloud scheme 0:off
 inwp_turb       = 1 ! 1: TKE diffusion and transfer
 inwp_satad      = 1
 inwp_sso        = 0
 inwp_gwd        = 0
 inwp_surface    = 0 ! 0: none; 1: TERRA
 icapdcycl	 = 3 ! apply CAPE modification to improve diurnalcycle over tropical land (optimizes NWP scores)
 latm_above_top  = .TRUE.  ! needed for radiation routine
 itype_z0        = 1
 dt_rad	         = 1800.        ! Default: 1800   ! M. Koehler: 1440
 dt_conv         = 600.         ! Default: 600    ! M. Koehler: 360
 dt_sso	         = 600.         ! Default: 1200   ! M. Koehler: 720
 dt_gwd	         = 600.         ! Default: 1200   ! M. Koehler: 720
/

&radiation_nml
 irad_o3         = 9       ! ozone climatology (ecrad: 0, 7 GEMS, 9 MACC, 79, 97)
 ecRad_data_path = '${ICONDIR}/externals/ecrad/data'
/

&ls_forcing_nml
 is_subsidence_moment  = .TRUE.
 is_subsidence_heat    = .TRUE.
 is_advection          = .FALSE.
 is_advection_uv       = .FALSE.
 is_advection_tq       = .FALSE.
 is_geowind            = .TRUE.
 is_rad_forcing        = .FALSE.
 is_nudging            = .FALSE.
 is_nudging_uv         = .FALSE.
 is_nudging_t          = .FALSE.
 is_nudging_q          = .FALSE.
 is_sim_rad            = .TRUE.
/

&turbdiff_nml
 tkhmin        = 0.75   ! new default since rev. 16527
 tkmmin        = 0.75   !           "
 pat_len       = 750.
 c_diff        = 0.2
 rat_sea       = 8.5    ! new value since rev. 25646 (reduced saturation vapor pressure over salt water)
 ltkesso       = .false.
!frcsmot       = 0.2    ! these 2 switches together apply vertical smoothing of the TKE source terms
!imode_frcsmot = 2      ! in the tropics (only), which reduces the moist bias in the tropical lower troposphere
 ! use horizontal shear production terms with 1/SQRT(Ri) scaling to prevent unwanted side effects:
 itype_sher    = 0
 ltkeshs       = .false.
 a_hshr        = 2.0
 !lconst_z0    = .TRUE.
 !const_z0     = 0.035
 icldm_tran    = 2
 icldm_turb    = 2
/

&diffusion_nml
 lhdiff_temp  = .TRUE.
 lhdiff_vn    = .TRUE.
 lhdiff_w     = .TRUE.
 hdiff_order  = 4
/

&nonhydrostatic_nml
 ivctype        = 2         ! sleve vertical coordinate
 damp_height    = 5000.     ! top_height-damp_height should be about 15km
 rayleigh_coeff = 0.0
 htop_moist_proc= 22500.
 hbot_qvsubstep	= 22500.    ! Default: 22500  ! M. Koehler: 19000; at leas as large as htop_moist_proc
/

&sleve_nml
top_height = 9000.
 min_lay_thckn = -40. ! thickness of lowest model layer
/

&extpar_nml
 itopo          = 0 ! 0: analytical topo; 1: topography/ext. data read from file
/

&dynamics_nml
 divavg_cntrwgt = 0.50
 lcoriolis      = .TRUE.
/

&output_nml
 output_start     = "${start_date}"
 output_end       = "${end_date}"
 !output_interval  = "PT01H"
 output_interval  = "PT60S"
 !file_interval    = "P01H"
 steps_per_file   = ${n_in_ofile}
 include_last     = .TRUE.
 output_filename  = 'scm_out'
 filename_format  = "<output_filename>_<levtype>_<datetime2>"
 ml_varlist       = 'z_ifc','z_mc','u','v','w','temp','pres','rho','theta_v','pres_sfc','div',
                    'qv','qc','qi','qs','qr','rh',
                    'ashfl_s', 'alhfl_s', 'athb_s', 'athb_t', 'asob_s', 'asob_t',
                    'ddt_temp_radsw', 'ddt_temp_radlw', 'ddt_temp_turb', 'ddt_temp_drag', 'ddt_temp_pconv',,
                    'ddt_qv_turb','ddt_qc_turb','ddt_qv_conv','ddt_qc_conv','u_10m', 'v_10m', 't_2m', 't_g',
                    'qv_s','z_mc','lhfl_s','shfl_s','umfl_s','vmfl_s','tcm','tch','clc','tke','rcld','qhfl_s','rho_ic','hbas_con','htop_con','ddt_v_turb','ddt_u_turb','ddt_v_pconv','ddt_u_pconv'
 output_grid      = .TRUE.
/


EOF


# ----------------------------------------------------------------------------
# run the model!
# ----------------------------------------------------------------------------

./icon > out.txt 2>out2.txt
