Making stratigraphy in the Anthropocene: climate change impacts and economic conditions controlling the supply of sediment to Lake Geneva

Lane, S. N.; Bakker, M.; Costa, A.; Girardclos, S.; Loizeau, J.-L.; Molnar, P.; Silva, T.; Stutenbecker, Laura; Schlunegger, Fritz (2019). Making stratigraphy in the Anthropocene: climate change impacts and economic conditions controlling the supply of sediment to Lake Geneva. Scientific Reports, 9(1) Nature Publishing Group 10.1038/s41598-019-44914-9

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the Anthropocene has been proposed as a profound, globally synchronous rupture in the history of
the Earth System with its current state fundamentally different to that of the Holocene and driven by the geological force of human activity. Here, we show how stratigraphy is being made in a lake that
is heavily impacted upon by climate change and human activities. For one of the largest inner-Alpine catchments in the european Alps, we draw attention to how sedimentation rates are a product of non- stationary, reflexive, human actions. In Lake Geneva, we identify both a human-induced climate change (HCC) signature and the effects of a recent economic shock on sediment extraction upon sediment loading to and sedimentation rates in the lake. The HCC signature thus reflects the nature of climate change impacts in this basin, where sediment accumulation rates evolve with climate, but where economic conditions contribute to shifts in the supply of sediment to the lake. Following social theory, we call this glocalization because of the combined importance and inseparability of human impacts across different spatial scales. The nature of human impacts on sediment delivery to the lake mean that the influence of humans is unlikely to be captured in the long-term depositional record.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Institute of Geological Sciences

UniBE Contributor:

Stutenbecker, Laura Antonia and Schlunegger, Fritz

Subjects:

500 Science > 550 Earth sciences & geology

ISSN:

2045-2322

Publisher:

Nature Publishing Group

Language:

English

Submitter:

Fritz Schlunegger

Date Deposited:

09 Aug 2019 15:53

Last Modified:

11 Mar 2021 10:07

Publisher DOI:

10.1038/s41598-019-44914-9

BORIS DOI:

10.7892/boris.131833

URI:

https://boris.unibe.ch/id/eprint/131833

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