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Paleosols of the Solonchanka IX site and climate of the Transural steppe zone in the fourth century AD
Authors:L. N. Plekhanova  V. A. Demkin
Affiliation:(1) Institute of Physicochemical and Biological Problems in Soil Science, Russian Academy of Sciences, Institutskaya ul. 2, Pushchino, Moscow oblast, 142290, Russia
Abstract:Studies on paleosols under an archaeological landmark of a rare type (a complex of kurgans with “whiskers”) dating from the Early Iron Age (the fourth century AD) have been performed in the steppe zone of the Transural Plateau. The size and shape of third-order soil polygons under stony ridges (“whiskers”) between the kurgans have been described in detail. The results have shown that the paleosol under the kurgans erected at the turn of the Late Sarmatian and Hun times (1600 years ago) is characterized by a higher humus content and deeper location of the carbonate horizon, compared to the recent soil. This indicates that an increase in atmospheric humidity took place in the fourth century AD.
Keywords:paleosols  paleoclimate  steppe zone  humid episode  Early Iron Age  Transural region
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