期刊
QUATERNARY INTERNATIONAL
卷 399, 期 -, 页码 58-71出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.quaint.2015.08.089
关键词
Dry valley; Periglacial processes; Last Glacial Maximum; Climate change; Fluvial and aeolian environment
资金
- Polish Ministry of Science and Higher Education [N N 306 197639]
- Faculty of Earth Sciences and Land Management of Maria Curie Sklodowska University, Lublin, Poland
In this paper, we report the results of the research on the fluvio-aeolian deposit succession in the Jozefow site in the region of Roztocze Tomaszowskie (SE Poland). Based on the lithofacial and textural analyses, as well as TL and IR-OLS dating, three lithofacial units have been documented, including their age. They are as follows: 1) a fluvial (lower) unit deposited in the Pleniglacial in the channel of a sandbed braided river under permafrost conditions; 2) a fluvio-aeolian (middle) unit which originated due to alternating aeolian and fluvial deposition and redeposition within a floodplain and/or a zone of abandoned channels at the end of the Pleniglacial and the beginning of the Late Glacial when permafrost was gradually degrading and the climate humidity was decreasing. The top part of the fluvio-aeolian deposits has been reworked by pedogenic processes leading to the development of a soil, which indicates a break in the sediment deposition; 3) an aeolian (upper) unit accumulated due to the development of the sandy aeolian forms (moving dunes) at the end of the Late Glacial and the beginning of the Holocene. (C) 2015 Elsevier Ltd and INQUA. All rights reserved.
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