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本帖最后由 chenximanbu 于 2022-5-29 12:56 编辑
目前刚入门WRF模拟台风利奇马,使用参考文献中的区域大小及参数化方案模拟出来的台风路径基本没有问题,但是因为研究区域不一样,我单纯把区域变大之后,台风路径的偏差就变得有点离谱了,这一点就很奇怪,而且大区域内调整区域或者水平分辨率,路径是有变化但是验证效果都很差,所以想问问大佬们路径验证有什么建议吗。图片中红色为WRF模拟出来的,彩色的是中国气象局发布的台风路径数据。namelist如图和下表。
WRF模拟台风路径
&time_control
run_days = 6,
run_hours = 0,
run_minutes = 0,
run_seconds = 0,
start_year = 2019, 2019,
start_month = 08, 08,
start_day = 07, 07,
start_hour = 00, 00,
end_year = 2019, 2019,
end_month = 08, 08,
end_day = 13, 13,
end_hour = 06, 06,
interval_seconds = 21600
input_from_file = .true.,.true.,
history_interval = 60, 60,
frames_per_outfile = 1000, 1000,
restart = .false.,
restart_interval = 7200,
io_form_history = 2,
io_form_restart = 2,
io_form_input = 2,
io_form_boundary = 2,
/
&domains
time_step = 60,
time_step_fract_num = 0,
time_step_fract_den = 1,
max_dom = 2,
e_we = 115, 52,
e_sn = 106, 43,
e_vert = 36, 36,
p_top_requested = 5000,
num_metgrid_levels = 34,
num_metgrid_soil_levels = 4,
dx = 36000, 12000,
dy = 36000, 12000,
grid_id = 1, 2,
parent_id = 0, 1,
i_parent_start = 1, 55,
j_parent_start = 1, 15,
parent_grid_ratio = 1, 3,
parent_time_step_ratio = 1, 3,
feedback = 0,
smooth_option = 0,
vortex_interval = 15,15,
max_vortex_speed = 62,62,
corral_dist = 8,8,
track_level = 85000,
time_to_move = 10000000,0,
/
&physics
physics_suite = 'CONUS'
mp_physics = 8, 8, -1,
cu_physics = 1, 1, 0,
ra_lw_physics = 1, 1, -1,
ra_sw_physics = 1, 1, -1,
bl_pbl_physics = 1, 1, -1,
sf_sfclay_physics = 1, 1, -1,
sf_surface_physics = 2, 2, -1,
radt = 12, 12, 30,
bldt = 0, 0, 0,
cudt = 5, 5, 5,
icloud = 1,
num_land_cat = 21,
sf_urban_physics = 0, 0, 0,
isftcflx = 1,
/
&fdda
/
&dynamics
hybrid_opt = 2,
w_damping = 0,
diff_opt = 1, 1, 1,
km_opt = 4, 4, 4,
diff_6th_opt = 0, 0, 0,
diff_6th_factor = 0.12, 0.12, 0.12,
base_temp = 290.
damp_opt = 3,
zdamp = 5000., 5000., 5000.,
dampcoef = 0.2, 0.2, 0.2
khdif = 0, 0, 0,
kvdif = 0, 0, 0,
non_hydrostatic = .true., .true., .true.,
moist_adv_opt = 1, 1, 1,
scalar_adv_opt = 1, 1, 1,
gwd_opt = 1,
/
&bdy_control
spec_bdy_width = 5,
specified = .true.
/
&grib2
/
&namelist_quilt
nio_tasks_per_group = 0,
nio_groups = 1,
/
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