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各位好:
最近在尝试用WRF做地形敏感实验(FNL资料),我的方法是通过修改WPS下刚开始生成的geo_em.d02.nc文件,然后从./ungrib.exe这步重新运行一遍,surface_input_source= 3,可是无论是通过HGT_M*2还是+1000m,结果d02的wrfout中rainc+rainnc都比对照的降水量小很多,实在是不知道时为什么,所以请教大家,谢谢了!!
-------------------------------------下面是我的namelist.input--------------------------------------------------
&domains
time_step = 90,
time_step_fract_num = 0,
time_step_fract_den = 1,
max_dom = 2,
e_we = 115, 190, 529,
e_sn = 109, 151, 463,
e_vert = 28, 28, 45,
p_top_requested = 10000,
num_metgrid_levels = 27
num_metgrid_soil_levels = 4,
dx = 15000, 5000.000, 1888.889,
dy = 15000, 5000.000, 1888.889,
grid_id = 1, 2, 3,
parent_id = 1, 1, 2,
i_parent_start = 1, 23, 46,
j_parent_start = 1, 37 16,
parent_grid_ratio = 1, 3, 3,
parent_time_step_ratio = 1, 3, 3,
feedback = 1,
smooth_option = 0
/
&physics
mp_physics = 6, 6, 3,
ra_lw_physics = 1, 1, 1,
ra_sw_physics = 1, 1, 1,
radt = 30, 30, 30,
sf_sfclay_physics = 1, 1, 1,
sf_surface_physics = 2, 2, 2,
bl_pbl_physics = 1, 1, 1,
bldt = 0, 0, 0,
cu_physics = 1, 1, 0,
cudt = 5, 5, 5,
isfflx = 1,
ifsnow = 1,
icloud = 1,
surface_input_source = 3,
num_soil_layers = 4,
sf_urban_physics = 0, 0, 0,
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