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### OH Metrics
### Ref = GCC_ref; Dev = GCC_dev
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Global mass-weighted OH concentration [10^5 molec cm^-3]
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Ref      : 12.48098703518
Dev      : 12.47930490080
Abs diff : -0.00168213437
%   diff : -0.013478

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CH3CCl3 (aka MCF) lifetime w/r/t tropospheric OH [years]
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Ref      :  4.961581
Dev      :  4.962575
Abs diff :  0.000994
%   diff :  0.020033

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CH4 lifetime w/r/t tropospheric OH [years]
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Ref      :  8.361576
Dev      :  8.363298
Abs diff :  0.001722
%   diff :  0.020599