Universität zu Köln

Calitri, Francesca ORCID: 0000-0002-1798-9586, Sommer, Michael, van der Meij, W. Marijn, Tikhomirov, Dmitry, Christl, Marcus ORCID: 0000-0002-3131-6652 and Egli, Markus (2021). Be-10 and C-14 data provide insight on soil mass redistribution along gentle slopes and reveal ancient human impact. J. Soils Sediments, 21 (12). S. 3770 - 3789. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1614-7480

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Abstract

Purpose Spatial and temporal patterns of past erosional events are a useful and needed information to explain observed soil patterns in different landscapes. Soil thickness reflects the overall expression of pedogenesis and erosion. Forested soils of Northern Germany exhibit varying soil thicknesses with thin soils on crest positions and buried soils at the footslope. The aim of this study is to reconstruct the complex soil mass redistribution and soil patterns of this forested area due to different periods of erosion and stability. Methods We explored the explanatory power of both Be-10 (in situ and meteoric) on a hillslope and we C-14-dated buried horizons at different depths. Results The Be-10 depth profiles did not show an exponential decrease with depth. They had a 'bulge' shape indicating clay translocation and interaction with oxyhydroxydes (meteoric Be-10), bioturbation and soil mass redistribution (in situ Be-10). The combined application of both Be-10 and C-14 dating revealed progressive and regressive phases of soil evolution. Although Melzower Forest is protected (same vegetation) since the past 250 years, both Be-10 clearly indicated major soil mass redistribution along the investigated catena. Conclusion A strong erosion impulse must have occurred between 4.5 and 6.8 kyr BP indicating an earlier human impact on soil erosion than previously postulated (similar to 3 kyr earlier). Our findings correlate in fact with the first settlements reported for this region (similar to 6.8 kyr BP) and show their immediate effect on soils. The overall soil redistribution rates in this forest are surprisingly similar to those obtained from a nearby agricultural area.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Calitri, Francesca UNSPECIFIED orcid.org/0000-0002-1798-9586 UNSPECIFIED Sommer, Michael UNSPECIFIED UNSPECIFIED UNSPECIFIED van der Meij, W. Marijn UNSPECIFIED UNSPECIFIED UNSPECIFIED Tikhomirov, Dmitry UNSPECIFIED UNSPECIFIED UNSPECIFIED Christl, Marcus UNSPECIFIED orcid.org/0000-0002-3131-6652 UNSPECIFIED Egli, Markus UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-589657
DOI:	10.1007/s11368-021-03041-7
Journal or Publication Title:	J. Soils Sediments
Volume:	21
Number:	12
Page Range:	S. 3770 - 3789
Date:	2021
Publisher:	SPRINGER HEIDELBERG
Place of Publication:	HEIDELBERG
ISSN:	1614-7480
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language METEORIC BE-10; ORGANIC-MATTER; EROSION RATES; LANDSCAPE EVOLUTION; COSMOGENIC BE-10; LATE PLEISTOCENE; TILLAGE EROSION; FRONT RANGE; BERYLLIUM; VALLEY Multiple languages Environmental Sciences; Soil Science Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/58965