In terms of pedogenic regimes, the process that results in an accumulation of humus overlaying a thick, water saturated layer of clay in cold, wet climates with poor drainage conditions is
https://onlinelibrary.wiley.com/doi/full/10.1111/j.1936-704X.2015.03186.x the ans is more than 5000 lines so I cont lell it so it is the link of the ans
