2.1 GG2020 approach Following GG2020, Warming is defined as an increasing trend in certain characteristics of the temperature distribution.
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The sentences
More precisely, there is a significant trend acceleration in most of the distributional characteristics except the lower quantiles (below q20 ).
W1 : All the location distributional characteristics have the same positive trend (dispersion does not contain a trend) W2 : The Lower quantiles have a larger positive trend than the Upper quantiles (dispersion has a negative trend) W3 : The Upper quantiles have a larger positive trend than the Lower quantiles (dispersion has a positive trend).