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1.我想提取wrf资料里面的slp(海平面气压)
程序如下:
'open e:/d1.ctl'
'set fwrite e:/slp.dat'
'set gxout fwrite'
'set lev 1000'
i=1
while(i<18)
'd slp'
i=i+1
endwhile
'disable fwrite'
;
生成的slp.dat有10.7M。里面应该是有数据的。
2. 给slp.dat写ctl.
DSET slp.dat
TITLE WRF model result
UNDEF 9999.
XDEF 444 linear 97.99253 0.05405406
YDEF 374 linear 11.91940 0.05405406
ZDEF 1 LEVELS 1000.0000
TDEF 17 LINEAR 00:00Z28SEP2011 3hr
VARS 1
slp 0 0 海平面气压
ENDVARS
3.我写了个简单的gs想运行一下看看。
gs:
'open e:/dat.ctl'
'set t 1'
'd slp'
运行结果是:
ga-> E:\daat.gs
Open Error: Can't open binary data file
File name = slp.dat
SET Error: No files open yet
最后附上我的wrf运行出来的ctl:
dset ^d1.dat
options byteswapped
undef 1.e30
title OUTPUT FROM WRF V3.4.1 MODEL
xdef 444 linear 97.99253 0.05405406
ydef 374 linear 11.91940 0.05405406
zdef 19 levels
1000.00000
950.00000
900.00000
850.00000
800.00000
750.00000
700.00000
650.00000
600.00000
550.00000
500.00000
450.00000
400.00000
350.00000
300.00000
250.00000
200.00000
150.00000
100.00000
tdef 17 linear 00Z28SEP2011 3hr
VARS 120
LU_INDEX 1 0 LAND USE CATEGORY (-)
VAR_SSO 1 0 variance of subgrid-scale orography (m2)
LAP_HGT 1 0 Laplacian of orography (m)
U 19 0 x-wind component (m s-1)
V 19 0 y-wind component (m s-1)
W 19 0 z-wind component (m s-1)
PH 19 0 perturbation geopotential (m2 s-2)
PHB 19 0 base-state geopotential (m2 s-2)
T 19 0 perturbation potential temperature (theta-t0) (K)
MU 1 0 perturbation dry air mass in column (Pa)
MUB 1 0 base state dry air mass in column (Pa)
NEST_POS 1 0 - (-)
P 19 0 perturbation pressure (Pa)
PB 19 0 BASE STATE PRESSURE (Pa)
P_HYD 19 0 hydrostatic pressure (Pa)
Q2 1 0 QV at 2 M (kg kg-1)
T2 1 0 TEMP at 2 M (K)
TH2 1 0 POT TEMP at 2 M (K)
PSFC 1 0 SFC PRESSURE (Pa)
U10 1 0 U at 10 M (m s-1)
V10 1 0 V at 10 M (m s-1)
QVAPOR 19 0 Water vapor mixing ratio (kg kg-1)
QCLOUD 19 0 Cloud water mixing ratio (kg kg-1)
QRAIN 19 0 Rain water mixing ratio (kg kg-1)
QICE 19 0 Ice mixing ratio (kg kg-1)
QSNOW 19 0 Snow mixing ratio (kg kg-1)
QGRAUP 19 0 Graupel mixing ratio (kg kg-1)
SHDMAX 1 0 ANNUAL MAX VEG FRACTION (-)
SHDMIN 1 0 ANNUAL MIN VEG FRACTION (-)
SNOALB 1 0 ANNUAL MAX SNOW ALBEDO IN FRACTION (-)
TSLB 4 0 SOIL TEMPERATURE (K)
SMOIS 4 0 SOIL MOISTURE (m3 m-3)
SH2O 4 0 SOIL LIQUID WATER (m3 m-3)
SMCREL 4 0 RELATIVE SOIL MOISTURE (-)
SEAICE 1 0 SEA ICE FLAG (-)
XICEM 1 0 SEA ICE FLAG (PREVIOUS STEP) (-)
SFROFF 1 0 SURFACE RUNOFF (mm)
UDROFF 1 0 UNDERGROUND RUNOFF (mm)
IVGTYP 1 0 DOMINANT VEGETATION CATEGORY (-)
ISLTYP 1 0 DOMINANT SOIL CATEGORY (-)
VEGFRA 1 0 VEGETATION FRACTION (-)
GRDFLX 1 0 GROUND HEAT FLUX (W m-2)
ACGRDFLX 1 0 ACCUMULATED GROUND HEAT FLUX (J m-2)
SNOW 1 0 SNOW WATER EQUIVALENT (kg m-2)
SNOWH 1 0 PHYSICAL SNOW DEPTH (m)
CANWAT 1 0 CANOPY WATER (kg m-2)
SSTSK 1 0 SKIN SEA SURFACE TEMPERATURE (K)
LAI 1 0 Leaf area index (area/area)
MAPFAC_M 1 0 Map scale factor on mass grid (-)
MAPFAC_MX 1 0 Map scale factor on mass grid, x direction (-)
MAPFAC_MY 1 0 Map scale factor on mass grid, y direction (-)
MF_VX_INV 1 0 Inverse map scale factor on v-grid, x direction (-)
F 1 0 Coriolis sine latitude term (s-1)
E 1 0 Coriolis cosine latitude term (s-1)
SINALPHA 1 0 Local sine of map rotation (-)
COSALPHA 1 0 Local cosine of map rotation (-)
HGT 1 0 Terrain Height (m)
TSK 1 0 SURFACE SKIN TEMPERATURE (K)
RAINC 1 0 ACCUMULATED TOTAL CUMULUS PRECIPITATION (mm)
RAINSH 1 0 ACCUMULATED SHALLOW CUMULUS PRECIPITATION (mm)
RAINNC 1 0 ACCUMULATED TOTAL GRID SCALE PRECIPITATION (mm)
SNOWNC 1 0 ACCUMULATED TOTAL GRID SCALE SNOW AND ICE (mm)
GRAUPELNC 1 0 ACCUMULATED TOTAL GRID SCALE GRAUPEL (mm)
HAILNC 1 0 ACCUMULATED TOTAL GRID SCALE HAIL (mm)
REFL_10CM 19 0 Radar reflectivity (lamda = 10 cm) (dBZ)
CLDFRA 19 0 CLOUD FRACTION (-)
SWDOWN 1 0 DOWNWARD SHORT WAVE FLUX AT GROUND SURFACE (W m-2)
GLW 1 0 DOWNWARD LONG WAVE FLUX AT GROUND SURFACE (W m-2)
SWNORM 1 0 NORMAL SHORT WAVE FLUX AT GROUND SURFACE (SLOPE-DEPENDENT) (W m-2)
OLR 1 0 TOA OUTGOING LONG WAVE (W m-2)
XLAT 1 0 LATITUDE, SOUTH IS NEGATIVE (degree_north)
XLONG 1 0 LONGITUDE, WEST IS NEGATIVE (degree_east)
ALBEDO 1 0 ALBEDO (-)
CLAT 1 0 COMPUTATIONAL GRID LATITUDE, SOUTH IS NEGATIVE (degree_north)
ALBBCK 1 0 BACKGROUND ALBEDO (-)
EMISS 1 0 SURFACE EMISSIVITY (-)
NOAHRES 1 0 RESIDUAL OF THE NOAH SURFACE ENERGY BUDGET (W m{-2})
TMN 1 0 SOIL TEMPERATURE AT LOWER BOUNDARY (K)
XLAND 1 0 LAND MASK (1 FOR LAND, 2 FOR WATER) (-)
UST 1 0 U* IN SIMILARITY THEORY (m s-1)
PBLH 1 0 PBL HEIGHT (m)
HFX 1 0 UPWARD HEAT FLUX AT THE SURFACE (W m-2)
QFX 1 0 UPWARD MOISTURE FLUX AT THE SURFACE (kg m-2 s-1)
LH 1 0 LATENT HEAT FLUX AT THE SURFACE (W m-2)
ACHFX 1 0 ACCUMULATED UPWARD HEAT FLUX AT THE SURFACE (J m-2)
ACLHF 1 0 ACCUMULATED UPWARD LATENT HEAT FLUX AT THE SURFACE (J m-2)
SNOWC 1 0 FLAG INDICATING SNOW COVERAGE (1 FOR SNOW COVER) (-)
SR 1 0 fraction of frozen precipitation (-)
LANDMASK 1 0 LAND MASK (1 FOR LAND, 0 FOR WATER) (-)
SST 1 0 SEA SURFACE TEMPERATURE (K)
pressure 19 0 Model pressure (hPa)
geopt 19 0 Geopotential (m2/s2)
height 19 0 Model height (km)
tk 19 0 Temperature (K)
tc 19 0 Temperature (C)
theta 19 0 Potential Temperature (K)
td 19 0 Dewpoint Temperature (C)
td2 1 0 Dewpoint Temperature at 2m (C)
rh 19 0 Relative Humidity (%)
clflo 1 0 Low Cloud Fraction (%)
clfmi 1 0 Mid Cloud Fraction (%)
clfhi 1 0 High Cloud Fraction (%)
rh2 1 0 Relative Humidity at 2m (%)
wspd 19 0 Wind Speed (m s-1)
wdir 19 0 Wind Direction (Degrees)
ws10 1 0 Wind Speed at 10 M (m s-1)
wd10 1 0 Wind Direction at 10 M (Degrees)
umet 19 0 Rotated wind component (m s-1)
vmet 19 0 Rotated wind component (m s-1)
u10m 1 0 Rotated wind component (m s-1)
v10m 1 0 Rotated wind component (m s-1)
slp 1 0 Sea Levelp Pressure (hPa)
dbz 19 0 Reflectivity (-)
max_dbz 1 0 Max Reflectivity (-)
cape 19 0 CAPE (J/kg)
cin 19 0 CIN (J/kg)
mcape 1 0 MCAPE (J/kg)
mcin 1 0 MCIN (J/kg)
lcl 1 0 LCL (meters AGL)
lfc 1 0 LFC (meters AGL)
ENDVARS
@ global String comment TITLE = OUTPUT FROM WRF V3.4.1 MODEL
@ global String comment SIMULATION_START_DATE = 2011-09-28_00:00:00
@ global String comment GRIDTYPE = C
@ global String comment MMINLU = USGS
@ global String comment WEST-EAST_GRID_DIMENSION = 183
@ global String comment SOUTH-NORTH_GRID_DIMENSION = 183
@ global String comment BOTTOM-TOP_GRID_DIMENSION = 28
@ global String comment MAP_PROJ = 1
@ global String comment DX = 12000.00
@ global String comment DY = 12000.00
@ global String comment CEN_LAT = 22.00
@ global String comment CEN_LON = 110.00
@ global String comment TRUELAT1 = 30.00
@ global String comment TRUELAT2 = 60.00
@ global String comment MOAD_CEN_LAT = 22.00
@ global String comment STAND_LON = 110.00
@ global String comment DIFF_OPT = 1
@ global String comment KM_OPT = 4
@ global String comment DAMP_OPT = 0
@ global String comment KHDIF = 0.00
@ global String comment KVDIF = 0.00
@ global String comment MP_PHYSICS = 2
@ global String comment RA_LW_PHYSICS = 1
@ global String comment RA_SW_PHYSICS = 1
@ global String comment SF_SFCLAY_PHYSICS = 1
@ global String comment SF_SURFACE_PHYSICS = 2
@ global String comment BL_PBL_PHYSICS = 1
@ global String comment CU_PHYSICS = 1
@ global String comment SURFACE_INPUT_SOURCE = 1
@ global String comment SST_UPDATE = 0
@ global String comment GRID_FDDA = 0
@ global String comment FEEDBACK = 1
@ global String comment SMOOTH_OPTION = 0
@ global String comment W_DAMPING = 0
@ global String comment OBS_NUDGE_OPT = 0
@ global String comment GRID_ID = 1
@ global String comment PARENT_ID = 0
@ global String comment I_PARENT_START = 1
@ global String comment J_PARENT_START = 1
@ global String comment PARENT_GRID_RATIO = 1
@ global String comment DT = 72.00
@ global String comment ISWATER = 16
@ global String comment ISICE = 24
@ global String comment ISURBAN = 1
@ global String comment ISOILWATER = 14
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