Scaling Behavior of Peat Properties during the Holocene: A Case Study from Central European Russia

Eleni-Foteini Fotaki, John Christodoulakis, Maria Efstathiou, Andrey N. Tsyganov, Yuri Mazei, Natalia G. Mazei, Damir Saldaev, Nicholas V. Sarlis, Costas Varotsos and Tatiana Voronova
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Eleni-Foteini Fotaki: Division of Environmental Physics and Meteorology, Faculty of Physics, National and Kapodistrian University of Athens, Campus Bldg. Phys. V, 15784 Athens, Greece
John Christodoulakis: Division of Environmental Physics and Meteorology, Faculty of Physics, National and Kapodistrian University of Athens, Campus Bldg. Phys. V, 15784 Athens, Greece
Maria Efstathiou: Division of Environmental Physics and Meteorology, Faculty of Physics, National and Kapodistrian University of Athens, Campus Bldg. Phys. V, 15784 Athens, Greece
Andrey N. Tsyganov: Department of General Ecology and Hydrobiology, Faculty of Biology, Lomonosov Moscow State University, Leninskiye Gory, 1, 199991 Moscow, Russia
Yuri Mazei: Department of General Ecology and Hydrobiology, Faculty of Biology, Lomonosov Moscow State University, Leninskiye Gory, 1, 199991 Moscow, Russia
Natalia G. Mazei: Department of General Ecology and Hydrobiology, Faculty of Biology, Lomonosov Moscow State University, Leninskiye Gory, 1, 199991 Moscow, Russia
Damir Saldaev: Department of General Ecology and Hydrobiology, Faculty of Biology, Lomonosov Moscow State University, Leninskiye Gory, 1, 199991 Moscow, Russia
Nicholas V. Sarlis: Section of Condensed Matter Physics, Department of Physics, National and Kapodistrian University of Athens, Panepistimiopolis Zografos, 15784 Athens, Greece
Costas Varotsos: Division of Environmental Physics and Meteorology, Faculty of Physics, National and Kapodistrian University of Athens, Campus Bldg. Phys. V, 15784 Athens, Greece
Tatiana Voronova: Division of Environmental Physics and Meteorology, Faculty of Physics, National and Kapodistrian University of Athens, Campus Bldg. Phys. V, 15784 Athens, Greece

Land, 2022, vol. 11, issue 6, 1-18

Abstract: A better understanding of past climate change is vital to our ability to predict possible future environmental dynamics. This study attempts to investigate the dynamic features of the temporal variability of peat humification, water table depth and air temperature by analyzing palaeoecological data from the Valdai Uplands region (Central European Russia). The regression analysis revealed the presence of a periodicity of about 6000 years in the reconstructed peat humification timeseries. Nonlinear analysis showed that humification time variability, water table depth and air temperature exhibit persistent long-range correlations of 1/f type. This indicates that a fluctuation in these variables in the past is very likely to be followed by a similar one in the future, but is magnified by 1/f power-law. In addition, it dictates that humification, water table depth and temperature are key parameters of a system that implies the existence of a special structure, such as self-organized criticality, operating close to a minimum stability configuration, and achieves it without any fine adjustment by external forcing. These conclusions point to new avenues for modeling future ecosystem disturbances and, in particular, for predicting relevant extreme events.

Keywords: peat humification; temperature; water table; long-range correlations; detrended fluctuation analysis; self-organized criticality; climate change (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2022
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