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I have 4-D variable A (time, lev, lat, lon) in a netcdf file, and I have
extracted the data at the first level using "ncks -v A -d lev,1,1 ..."
into A2. However, the dimensions for A2 remain as (time, lev, lat, lon)
although it is actually a 3-D data right now.
My question is how I can delete the dimension 'lev' from A2 using ncks?
(I know 'ncwa -O -a lev ...' would work, but it creates other problems
for compiling my code).
