Tipping points in lake systems of the arid zone of Central Asia – Q-TiP

 

Influence of tipping points on landscape systems

  Copyright: © V. Nottebaum Upper left: beach ridge 23m above the lake level on the northern lake shore; lower left: expedition camp on the 16m beach ridge on the southern shore, with the Ikh Bogd mountain range in the background; right: sandy-silty aeolian cover layer.

Reconstruction of the paleoenvironment

The work reconstructs the landscape history from the last Glacial to the late Holocene, while also tectonic influence is considered together with the colleagues from the group for neotectonics. From the local example at Orog Nuur general conclusions about the influence of tipping points on geomorphological processes in central Asian lake systems during the last glacial cycle will be derived.

Field work

In summer 2017, we went for four weeks on a field trip to Orog Nuur. At over 60 locations, surface and sediment sections were investigated and sampled. More than 30 OSL samples were taken for geochronological data of sediment deposition. In the main focus were beach ridges and associated fluvial, aeolian and lacustrine sediments.

 

Duration	10/2016 - 09/2019
Funding	BMBF
Project partners	Jorien van der Wal – Neotectonics and Natural Hazards, RWTH Aachen Prof. Dr. Klaus Reicherter – Neotectonics and Natural Hazards, RWTH Aachen