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最近在转一个雾霾的个例,本来PM2.5在近地面的正常浓度应该在200到300μg/m3间,但是转出来却只有0.002左右,PM10,SO2等几种污染物的情况类似,换了几种参数化方案都不行,很费解,有没有老司机帮忙解答一下这个问题。。。以下是input
&time_control
run_days = 4,
run_hours = 12,
run_minutes = 0,
run_seconds = 0,
start_year = 2016, 2016,
start_month = 11, 11,
start_day = 02, 02,
start_hour = 00, 00,
start_minute = 00, 00,
start_second = 00, 00,
end_year = 2016, 2016,
end_month = 11, 11,
end_day = 06, 06,
end_hour = 12, 12,
end_minute = 00, 00,
end_second = 00, 00,
interval_seconds = 21600,
input_from_file = .true.,.true.,
history_interval = 60, 60,
frames_per_outfile = 1, 1,
restart = .false.,
restart_interval = 5000,
auxinput5_inname = 'wrfchemi_d<domain>_<date>'
auxinput5_interval_m = 60,60,60,
frames_per_auxinput5 = 1,1,
io_form_history = 2,
io_form_restart = 2,
io_form_input = 2,
io_form_boundary = 2,
debug_level = 0,
/
&domains
time_step = 60,
time_step_fract_num = 0,
time_step_fract_den = 1,
max_dom = 2,
s_we = 1, 1,
e_we = 155, 130,
s_sn = 1, 1,
e_sn = 152, 115,
s_vert = 1, 1,
e_vert = 60, 60,
eta_levels = 1.000, 0.996, 0.991, 0.985, 0.978,
0.97, 0.961, 0.951, 0.94, 0.928,
0.916, 0.904, 0.892, 0.88, 0.868,
0.856, 0.844, 0.832, 0.82, 0.808,
0.788, 0.768, 0.748, 0.723, 0.698,
0.673, 0.643, 0.613, 0.583, 0.553,
0.523, 0.493, 0.463, 0.433, 0.408,
0.383, 0.363, 0.343, 0.323, 0.303,
0.288, 0.273, 0.258, 0.243, 0.228,
0.213, 0.198, 0.183, 0.168, 0.153,
0.138, 0.123, 0.108, 0.093, 0.078,
0.063, 0.048, 0.033, 0.018, 0.000,
p_top_requested = 5000,
num_metgrid_levels = 32,
num_metgrid_soil_levels = 4,
dx = 27000, 9000,
dy = 27000, 9000,
grid_id = 1, 2,
parent_id = 0, 1,
i_parent_start = 1, 44,
j_parent_start = 1, 64,
parent_grid_ratio = 1, 3,
parent_time_step_ratio = 1, 3,
feedback = 1,
smooth_option = 0,
use_levels_below_ground = .true.
use_surface = .true.
lagrange_order = 1,
sfcp_to_sfcp = .true.
/
&physics
mp_physics = 10, 10,
ra_lw_physics = 4, 4,
ra_sw_physics = 4, 4,
progn = 1, 1,
radt = 27, 9,
sf_sfclay_physics = 4, 4,
sf_surface_physics = 2, 2,
bl_pbl_physics = 4, 4,
bldt = 0, 0,
cu_physics = 3, 3,
cu_diag = 1, 1,
cudt = 0, 0,
isfflx = 1,
ifsnow = 0,
icloud = 1,
surface_input_source = 1,
num_soil_layers = 4,
sf_urban_physics = 0, 0,
cu_rad_feedback = .true.,.true.,
/
&fdda
/
&dynamics
rk_ord = 3,
w_damping = 1,
diff_opt = 1,
km_opt = 4,
diff_6th_opt = 0, 0,
diff_6th_factor = 0.12 0.12,
damp_opt = 0,
base_temp = 290.,
zdamp = 5000., 5000.,
dampcoef = 0.01, 0.01,
khdif = 0, 0,
kvdif = 0, 0,
non_hydrostatic = .true., .true.,
time_step_sound = 4, 4,
h_mom_adv_order = 5, 5,
v_mom_adv_order = 3, 3,
h_sca_adv_order = 5, 5,
v_sca_adv_order = 3, 3,
moist_adv_opt = 2, 2,
scalar_adv_opt = 2, 2,
chem_adv_opt = 2, 2,
tke_adv_opt = 2, 2,
/
&bdy_control
spec_bdy_width = 5,
spec_zone = 1,
relax_zone = 4,
specified = .true., .false.,
periodic_x = .false., .false.,
symmetric_xs = .false., .false.,
symmetric_xe = .false., .false.,
open_xs = .false., .false.,
open_xe = .false., .false.,
periodic_y = .false., .false.,
symmetric_ys = .false., .false.,
symmetric_ye = .false., .false.,
open_ys = .false., .false.,
open_ye = .false., .false.,
nested = .false., .true.,
/
&grib2
/
&namelist_quilt
nio_tasks_per_group = 0,
nio_groups = 1,
/
&chem
kemit = 1,
chem_opt = 11, 11,
bioemdt = 30, 30,
photdt = 30, 30,
chemdt = 0, 0,
io_style_emissions = 2,
emiss_opt = 0, 0,
emiss_opt_vol = 0, 0,
chem_in_opt = 0, 0,
emiss_inpt_opt = 1, 1,
phot_opt = 2, 2,
gas_drydep_opt = 1, 1,
aer_drydep_opt = 1, 1,
bio_emiss_opt = 1, 1,
dust_opt = 0,
dmsemis_opt = 0,
seas_opt = 2,
gas_bc_opt = 1, 1,
gas_ic_opt = 1, 1,
aer_bc_opt = 1, 1,
aer_ic_opt = 1, 1,
gaschem_onoff = 1, 1,
aerchem_onoff = 1, 1,
wetscav_onoff = 1, 1,
cldchem_onoff = 1, 1,
vertmix_onoff = 1, 1,
chem_conv_tr = 1, 1,
conv_tr_wetscav = 1, 1,
conv_tr_aqchem = 1, 1,
biomass_burn_opt = 0 0,
plumerisefire_frq = 30, 30,
have_bcs_chem = .false., .false., .false.,
aer_ra_feedback = 1,
aer_op_opt = 1,
opt_pars_out = 1,
diagnostic_chem = 0,
/
&namelist_quilt
nio_tasks_per_group = 0,
nio_groups = 1,
/ |
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