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Thermokarst lake dynamics across multiple spatial and temporal scales

Thermokarst lake dynamics across multiple spatial and temporal scales

 Josefine Lenz1,2* ,Frédéric Bouchard3* ,Benjamin M. Jones2  ,Katrin Kohnert4,5*

1.Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Periglacial Research Unit Potsdam, Germany ,Josefine.Lenz@awi.de

2. Water and Environmental Research Center, Institute of Northern Engineering, University of Alaska Fairbanks, Fairbanks, AK, USA, bmjones3@alaska.edu

3.Géosciences Paris Sud (GEOPS), Université Paris-Saclay, Orsay, France,frederic.bouchard@u-psud.fr

4.Leibniz Institute for Freshwater Ecology and Inland Fisheries (IGB), Stechlin, Germany, Kohnert@igb-berlin.de

5.GFZ German Research Centre for Geosciences, Potsdam, Germany


*PYRN member (as it is a formal criterion to include at least one PYRN early career researcher)

Ice-rich permafrost degradation promotes thermokarst development and may lead to thermokarst lake initiation in vast arctic and boreal lowland regions. Potential impacts and feedback mechanisms on Arctic geomorphology, hydrology, ecology, biogeochemical cycles, energy-water balance, floral and faunal change as well as human interaction are complex. As thermokarst lakes are expected to play a key role in the widely discussed permafrost-climate feedback loop, there is an urgent need (1) to enhance the understanding of limnological, biogeochemical, physical and ecological processes and (2) to discuss their influence on the Earth system. This session highlights the role of thermokarst lake dynamics on Quaternary to modern time scales from local to global perspectives. We welcome contributions from field-based studies on lake sediments, monitoring programs, remote sensing, data synthesis approaches, and especially interdisciplinary efforts combining different natural science disciplines or natural and social sciences.

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Email: icop2020@lzb.ac.cn

Address: Northwest Institute of Eco-Environment and Resources,CAS Lanzhou, P.R.China

Secretary General: Professor Fujun Niu


Professor Guoyu Li Professor Zhi Wen Professor Mingyi Zhang Ms. Yanmei Han Dr. Yanhu Mu Dr. Ze Zhang Dr. Zhanju Lin Dr. Guanli Jiang Dr. Jianfeng Zheng