Soils in the bipartite sediments within the Moscow glacial limits of the Russian Plain: Sedimentary environment, pedogenesis, paleolandscape implicationстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 22 февраля 2018 г.
Аннотация:The basal tills of the Late Moscow (MIS 6) Cryochrone form an important component of landscapes in
northern Europe, including the center of the Russian Plain. The till is often covered only with a thin cover
layer (30e50 cm as an average) e veneers of sands, sandy loams or silty loams, so that surface soils
(Retisols) are formed in the bipartite sediments. The study of such soils allows identifying a set of pre-depositional,
syn-depositional and post-depositional (pedogenic and cryogenic) features. An assemblage
of (macro, meso and micro) morphological features together with analytical data confirmed that soils
had been formed within several climatic cycles starting from the Late Moscow time till now, including
the last Thermochrone, when the well-developed Argic horizon had been formed. Modern pedogenesis
forms embedded profiles within the cover layer depending on the bioclimatic parameters (with Humic,
Protospodic or Cambic horizons). The clear record of the final stages of sedimentation and ancient
pedogenesis within profiles of soils in bipartite sediments may help to derive paleoclimatic interpretations
from the last interglacial-glacial cycle till present. Correlation of these records with other
archives in glacial and periglacial areas opens attractive research perspectives.
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