我在输出grib2的ctl文件时候，有个关于zdef，里面的单位是pa，请问需要换算为hPa么？

天边的彩虹

CTL文件如下：
dset g:/gradsdata/20150501/fnl_201505%d2_%h2_00.grib2
options template
index g:/gradsdata/20150501/fnl_20150501_00_00.grib2.idx
undef 9.999E+20
title g:/gradsdata/20150501/fnl_20150501_00_00.grib2
*  produced by g2ctl v0.0.3d
* griddef=1:0:(360 x 181):grid_template=0: lat-lon grid:(360 x 181) units 1e-06 input WE:NS output WE:SN res 48 lat 90.000000 to -90.000000 by 1.000000 lon 0.000000 to 359.000000 by 1.000000 #points=65160
dtype grib2
options yrev
ydef 181 linear -90.000000 1
xdef 360 linear 0.000000 1.000000
tdef 5 linear 00Z01may2015 6hr
*  z has 26 levels -prs
zdef 26 levels 100000 97500 95000 92500 90000 85000 80000 75000 70000 65000 60000 55000 50000 45000 40000 35000 30000 25000 20000 15000 10000 7000 5000 3000 2000 1000
options pascals
vars 121
no4LFTXsfc  0,1,0   0,7,193 ** surface none Best (4 layer) Lifted Index [K]
no5WAVH500mb  0,100,50000   0,3,193 ** 500 mb none 5-Wave Geopotential Height [gpm]
ABSVprs   26,100  0,2,10 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100 70 50 30 20 10) none Absolute Vorticity [1/s]
CAPEsfc  0,1,0   0,7,6 ** surface none Convective Available Potential Energy [J/kg]
CAPE180_0mb 0,108,18000,0   0,7,6 ** 180-0 mb above ground none Convective Available Potential Energy [J/kg]
CAPE255_0mb 0,108,25500,0   0,7,6 ** 255-0 mb above ground none Convective Available Potential Energy [J/kg]
CINsfc  0,1,0   0,7,7 ** surface none Convective Inhibition [J/kg]
CIN180_0mb 0,108,18000,0   0,7,7 ** 180-0 mb above ground none Convective Inhibition [J/kg]
CIN255_0mb 0,108,25500,0   0,7,7 ** 255-0 mb above ground none Convective Inhibition [J/kg]
CLWMRprs   21,100  0,1,22 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100) none Cloud Mixing Ratio [kg/kg]
CPOFPsfc  0,1,0   0,1,39 ** surface none Percent frozen precipitation [%]
CWATclm  0,200,0   0,6,6 ** entire atmosphere (considered as a single layer) none Cloud Water [kg/m^2]
DPT2m  0,103,2   0,0,6 ** 2 m above ground none Dew Point Temperature [K]
FLDCPsfc  0,1,0   2,3,203 ** surface none Field Capacity [fractionK]
GUSTsfc  0,1,0   0,2,22 ** surface none Wind Speed (Gust) [m/s]
HGTsfc  0,1,0   0,3,5 ** surface none Geopotential Height [gpm]
HGTprs   26,100  0,3,5 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100 70 50 30 20 10) none Geopotential Height [gpm]
HGT2pv  0,109,2e-06   0,3,5 ** PV=2e-06 (Km^2/kg/s) surface none Geopotential Height [gpm]
HGTneg2pv  0,109,-2e-06   0,3,5 ** PV=-2e-06 (Km^2/kg/s) surface none Geopotential Height [gpm]
HGTtop0C  0,204,0   0,3,5 ** highest tropospheric freezing level none Geopotential Height [gpm]
HGT0C  0,4,0   0,3,5 ** 0C isotherm none Geopotential Height [gpm]
HGTmwl  0,6,0   0,3,5 ** max wind none Geopotential Height [gpm]
HGTtrop  0,7,0   0,3,5 ** tropopause none Geopotential Height [gpm]
HLCY3000_0m 0,103,3000,0   0,7,8 ** 3000 m above ground - 0 m above ground none Storm Relative Helicity [m^2/s^2]
HPBLsfc  0,1,0   0,3,196 ** surface none Planetary Boundary Layer Height [m]
ICAHTmwl  0,6,0   0,3,3 ** max wind none ICAO Standard Atmosphere Reference Height [m]
ICAHTtrop  0,7,0   0,3,3 ** tropopause none ICAO Standard Atmosphere Reference Height [m]
ICECsfc  0,1,0   10,2,0 ** surface none Ice Cover [Proportion]
LANDsfc  0,1,0   2,0,0 ** surface none Land Cover (1=land, 0=sea) [Proportion]
LFTXsfc  0,1,0   0,7,192 ** surface none Surface Lifted Index [K]
MSLETmsl  0,101,0   0,3,192 ** mean sea level none MSLP (Eta model reduction) [Pa]
O3MRprs   26,100  0,14,192 ** (400 350 300 250 200 150 100 70 50 30 20 10) none Ozone Mixing Ratio [kg/kg]
PLPL255_0mb 0,108,25500,0   0,3,200 ** 255-0 mb above ground none Pressure of level from which parcel was lifted [Pa]
POTsig995  0,104,0.995   0,0,2 ** 0.995 sigma level none Potential Temperature [K]
PRESsfc  0,1,0   0,3,0 ** surface none Pressure [Pa]
PRES80m  0,103,80   0,3,0 ** 80 m above ground none Pressure [Pa]
PRES2pv  0,109,2e-06   0,3,0 ** PV=2e-06 (Km^2/kg/s) surface none Pressure [Pa]
PRESneg2pv  0,109,-2e-06   0,3,0 ** PV=-2e-06 (Km^2/kg/s) surface none Pressure [Pa]
PRESmwl  0,6,0   0,3,0 ** max wind none Pressure [Pa]
PREStrop  0,7,0   0,3,0 ** tropopause none Pressure [Pa]
PRMSLmsl  0,101,0   0,3,1 ** mean sea level none Pressure Reduced to MSL [Pa]
PWATclm  0,200,0   0,1,3 ** entire atmosphere (considered as a single layer) none Precipitable Water [kg/m^2]
RHprs   26,100  0,1,1 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100 70 50 30 20 10) none Relative Humidity [%]
RH2m  0,103,2   0,1,1 ** 2 m above ground none Relative Humidity [%]
RHsg330_1000 0,104,0.33,1   0,1,1 ** 0.33-1 sigma layer none Relative Humidity [%]
RHsg440_1000 0,104,0.44,1   0,1,1 ** 0.44-1 sigma layer none Relative Humidity [%]
RHsg720_940 0,104,0.72,0.94   0,1,1 ** 0.72-0.94 sigma layer none Relative Humidity [%]
RHsg440_720 0,104,0.44,0.72   0,1,1 ** 0.44-0.72 sigma layer none Relative Humidity [%]
RHsig995  0,104,0.995   0,1,1 ** 0.995 sigma level none Relative Humidity [%]
RH30_0mb 0,108,3000,0   0,1,1 ** 30-0 mb above ground none Relative Humidity [%]
RHclm  0,200,0   0,1,1 ** entire atmosphere (considered as a single layer) none Relative Humidity [%]
RHtop0C  0,204,0   0,1,1 ** highest tropospheric freezing level none Relative Humidity [%]
RH0C  0,4,0   0,1,1 ** 0C isotherm none Relative Humidity [%]
SNODsfc  0,1,0   0,1,11 ** surface none Snow Depth [m]
SOILW0_10cm 0,106,0,0.1   2,0,192 ** 0-0.1 m below ground none Volumetric Soil Moisture Content [Fraction]
SOILW10_40cm 0,106,0.1,0.4   2,0,192 ** 0.1-0.4 m below ground none Volumetric Soil Moisture Content [Fraction]
SOILW40_100cm 0,106,0.4,1   2,0,192 ** 0.4-1 m below ground none Volumetric Soil Moisture Content [Fraction]
SOILW100_200cm 0,106,1,2   2,0,192 ** 1-2 m below ground none Volumetric Soil Moisture Content [Fraction]
SPFH2m  0,103,2   0,1,0 ** 2 m above ground none Specific Humidity [kg/kg]
SPFH80m  0,103,80   0,1,0 ** 80 m above ground none Specific Humidity [kg/kg]
SPFH30_0mb 0,108,3000,0   0,1,0 ** 30-0 mb above ground none Specific Humidity [kg/kg]
TMPsfc  0,1,0   0,0,0 ** surface none Temperature [K]
TMPprs   26,100  0,0,0 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100 70 50 30 20 10) none Temperature [K]
TMP_1829m  0,102,1829   0,0,0 ** 1829 m above mean sea level none Temperature [K]
TMP_2743m  0,102,2743   0,0,0 ** 2743 m above mean sea level none Temperature [K]
TMP_3658m  0,102,3658   0,0,0 ** 3658 m above mean sea level none Temperature [K]
TMP2m  0,103,2   0,0,0 ** 2 m above ground none Temperature [K]
TMP80m  0,103,80   0,0,0 ** 80 m above ground none Temperature [K]
TMP100m  0,103,100   0,0,0 ** 100 m above ground none Temperature [K]
TMPsig995  0,104,0.995   0,0,0 ** 0.995 sigma level none Temperature [K]
TMP30_0mb 0,108,3000,0   0,0,0 ** 30-0 mb above ground none Temperature [K]
TMP2pv  0,109,2e-06   0,0,0 ** PV=2e-06 (Km^2/kg/s) surface none Temperature [K]
TMPneg2pv  0,109,-2e-06   0,0,0 ** PV=-2e-06 (Km^2/kg/s) surface none Temperature [K]
TMPmwl  0,6,0   0,0,0 ** max wind none Temperature [K]
TMPtrop  0,7,0   0,0,0 ** tropopause none Temperature [K]
TOZNEclm  0,200,0   0,14,0 ** entire atmosphere (considered as a single layer) none Total Ozone [Dobson]
TSOIL0_10cm 0,106,0,0.1   2,0,2 ** 0-0.1 m below ground none Soil Temperature [K]
TSOIL10_40cm 0,106,0.1,0.4   2,0,2 ** 0.1-0.4 m below ground none Soil Temperature [K]
TSOIL40_100cm 0,106,0.4,1   2,0,2 ** 0.4-1 m below ground none Soil Temperature [K]
TSOIL100_200cm 0,106,1,2   2,0,2 ** 1-2 m below ground none Soil Temperature [K]
UGRDprs   26,100  0,2,2 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100 70 50 30 20 10) none U-Component of Wind [m/s]
UGRD_1829m  0,102,1829   0,2,2 ** 1829 m above mean sea level none U-Component of Wind [m/s]
UGRD_2743m  0,102,2743   0,2,2 ** 2743 m above mean sea level none U-Component of Wind [m/s]
UGRD_3658m  0,102,3658   0,2,2 ** 3658 m above mean sea level none U-Component of Wind [m/s]
UGRD10m  0,103,10   0,2,2 ** 10 m above ground none U-Component of Wind [m/s]
UGRD80m  0,103,80   0,2,2 ** 80 m above ground none U-Component of Wind [m/s]
UGRD100m  0,103,100   0,2,2 ** 100 m above ground none U-Component of Wind [m/s]
UGRDsig995  0,104,0.995   0,2,2 ** 0.995 sigma level none U-Component of Wind [m/s]
UGRD30_0mb 0,108,3000,0   0,2,2 ** 30-0 mb above ground none U-Component of Wind [m/s]
UGRD2pv  0,109,2e-06   0,2,2 ** PV=2e-06 (Km^2/kg/s) surface none U-Component of Wind [m/s]
UGRDneg2pv  0,109,-2e-06   0,2,2 ** PV=-2e-06 (Km^2/kg/s) surface none U-Component of Wind [m/s]
UGRDpbl  0,220,0   0,2,2 ** planetary boundary layer none U-Component of Wind [m/s]
UGRDmwl  0,6,0   0,2,2 ** max wind none U-Component of Wind [m/s]
UGRDtrop  0,7,0   0,2,2 ** tropopause none U-Component of Wind [m/s]
USTM6000_0m 0,103,6000,0   0,2,194 ** 6000 m above ground - 0 m above ground none U-Component Storm Motion [m/s]
VGRDprs   26,100  0,2,3 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100 70 50 30 20 10) none V-Component of Wind [m/s]
VGRD_1829m  0,102,1829   0,2,3 ** 1829 m above mean sea level none V-Component of Wind [m/s]
VGRD_2743m  0,102,2743   0,2,3 ** 2743 m above mean sea level none V-Component of Wind [m/s]
VGRD_3658m  0,102,3658   0,2,3 ** 3658 m above mean sea level none V-Component of Wind [m/s]
VGRD10m  0,103,10   0,2,3 ** 10 m above ground none V-Component of Wind [m/s]
VGRD80m  0,103,80   0,2,3 ** 80 m above ground none V-Component of Wind [m/s]
VGRD100m  0,103,100   0,2,3 ** 100 m above ground none V-Component of Wind [m/s]
VGRDsig995  0,104,0.995   0,2,3 ** 0.995 sigma level none V-Component of Wind [m/s]
VGRD30_0mb 0,108,3000,0   0,2,3 ** 30-0 mb above ground none V-Component of Wind [m/s]
VGRD2pv  0,109,2e-06   0,2,3 ** PV=2e-06 (Km^2/kg/s) surface none V-Component of Wind [m/s]
VGRDneg2pv  0,109,-2e-06   0,2,3 ** PV=-2e-06 (Km^2/kg/s) surface none V-Component of Wind [m/s]
VGRDpbl  0,220,0   0,2,3 ** planetary boundary layer none V-Component of Wind [m/s]
VGRDmwl  0,6,0   0,2,3 ** max wind none V-Component of Wind [m/s]
VGRDtrop  0,7,0   0,2,3 ** tropopause none V-Component of Wind [m/s]
VSTM6000_0m 0,103,6000,0   0,2,195 ** 6000 m above ground - 0 m above ground none V-Component Storm Motion [m/s]
VVELprs   21,100  0,2,8 ** (1000 975 950 925 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100) none Vertical Velocity (Pressure) [Pa/s]
VVELsig995  0,104,0.995   0,2,8 ** 0.995 sigma level none Vertical Velocity (Pressure) [Pa/s]
VWSH2pv  0,109,2e-06   0,2,192 ** PV=2e-06 (Km^2/kg/s) surface none Vertical speed sheer [1/s]
VWSHneg2pv  0,109,-2e-06   0,2,192 ** PV=-2e-06 (Km^2/kg/s) surface none Vertical speed sheer [1/s]
VWSHtrop  0,7,0   0,2,192 ** tropopause none Vertical speed sheer [1/s]
WEASDsfc  0,1,0   0,1,13 ** surface none Water Equivalent of Accumulated Snow Depth [kg/m^2]
WILTsfc  0,1,0   2,0,201 ** surface none Wilting Point [Fraction]
var00212m  0,103,2   0,0,21 ** 2 m above ground none desc [unit]
var02224pbl  0,220,0   0,2,224 ** planetary boundary layer none desc [unit]
var06201sfc  0,1,0   0,6,201 ** surface none desc [unit]
var242sfc  0,1,0   2,4,2 ** surface none desc [unit]
ENDVARS

river

你想怎么转？ctl就是用来如实描述原始资料的东西，它该是什么样就必须是什么样。至于要不要转换，那是根据你的工作需要来定的吧，而且也都是在处理数据的过程中来转换，而ctl 里的zdef是不能随便乱改的

天边的彩虹

o ,原来这样子，我试着先画，不转。看怎么样。

亚文

求问这是每次用z时都需要/100吗？
pressfc需要/100吗？作pressfc的图时，单位是pa？

金de小麦

亚文 发表于 2017-4-12 14:26
求问这是每次用z时都需要/100吗？
pressfc需要/100吗？作pressfc的图时，单位是pa？

我也遇到了同样的问题，请问问题解决了吗

金de小麦

亚文 发表于 2017-4-12 14:26
求问这是每次用z时都需要/100吗？
pressfc需要/100吗？作pressfc的图时，单位是pa？

我也遇到了同样的问题，请问问题解决了吗

金de小麦

请问问题解决了吗，我也遇到了同样的问题

金de小麦

请问问题解决了吗，我也遇到了同样的问题

金de小麦

请问问题解决了吗，我也遇到了同样的问题

金de小麦

请问问题解决了吗，我也遇到了同样的问题