A horizon between highly and slightly humified peat in a bog, indicative of a transition between diminished and active peat growth resulting from increased rainfall.
Origin
1930s; earliest use found in Philosophical Transactions of the Royal Society of London. After Swedish rekurrensyta.
Definition of recurrence surface in US English:
recurrence surface
noun
A horizon between highly and slightly humified peat in a bog, indicative of a transition between diminished and active peat growth resulting from increased rainfall.
Origin
1930s; earliest use found in Philosophical Transactions of the Royal Society of London. After Swedish rekurrensyta.