grads中水汽通量的计算

xiulishnahe110

另外gs文件如下：

'reinit'

'sdfopen c:\ncept\ps\psmean.nc'

'sdfopen c:\ncept\ps\qmean.nc'

'sdfopen c:\ncept\ps\umean.nc'

'set lon 50 130'

'set lat 20 70'

'set fwrite  c:\ncept\ps\grd\vint.grd'

'set gxout fwrite'

'set t 1'

'set z 1'

'define a=vint(pres(z=1), shum.2*uwnd.3,300)'

'd a'

'print'

'disable fwrite'

;

另外，地面气压psmean.nc自带的ctl文件如下：

dset c:\ncept\ps\psmean.nc

title NCEP Reanalysis monthly ltm surfacepressure

undef -9.96921e+36

xdef 144 linear 0 2.5

ydef 73 linear -90 2.5

zdef 1 linear 0 0

tdef 712 linear 00Z01JAN1948 1mo

vars 1

pres 0 -999 Monthly Mean of SurfacePressure