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RE: Area weighted average ยป fldmeanVSsum.sh

Ralf Mueller, 2020-04-30 13:05

 
#!/usr/bin/env bash
set -x
input="$1"
applyMask="-mul -gtc,-10 ${input}"

# good for data without missing values
cdo -diffv [ -fldmean ${input} -div -fldsum -mul [ ${input} -gridarea ${input} ] [ -fldsum -gridarea ${input} ] ]

# valid for fields that contain missing values
cdo -diffv -fldmean ${input} -div -fldsum -mul ${input} ${applyMask} -gridarea ${input} -fldsum ${applyMask} -gridarea ${input}
    (1-1/1)