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How convert the grid size from irregular grid to regrid size using CMIP5 model in IDL? [message #93564]

Fri, 19 August 2016 10:51

csl.ewha
Messages: 1
Registered: August 2016

Junior Member

Hi,

I want to convert to the grid size.
below is my CMIP5 model information.
1 netcdf sic_OImon_NorESM1-M_historical_r1i1p1_185001-200512 {
2 dimensions:
3 time = UNLIMITED ; // (1872 currently)
4 j = 384 ;
5 i = 320 ;
6 bnds = 2 ;
7 vertices = 4 ;

I want to change the below size to lon=144, lat=72 (2.5 by 2.5 grid)
first, i use the congrid function in IDL like below;

deg=fltarr(144,72,time)
deg=congrid(var2,144,72,time,/center)
but, the output figure is weird.

I have to solve this problem; convert the irregular grid size in CMIP5 model to regular grid size.
please, check this question and anyone knows references above that, reply on me.

Thank you.

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