[CRYOLIST] EGU 2019 Call for Abstracts: "Tipping elements, tipping points and critical thresholds in the Earth's climate system"

Ricarda Winkelmann ricardaw at pik-potsdam.de
Mon Jan 7 07:45:54 PST 2019

Dear Colleagues,

We cordially invite you to contribute to the following session as part 
of the EGU General Assembly (7–12 April 2019, Vienna, Austria): *

*Tipping elements, tipping points and critical thresholds in the Earth's 
climate system **


/Co-Conveners: Ricarda Winkelmann, Jonathan Donges, Victor Brovkin, Henk 
A. Dijkstra, Timothy Lenton/

Tipping elements in the Earth's climate system are continental-scale 
subsystems that are characterized by a threshold behavior. It has been 
suggested that these include biosphere components (e.g. the Amazon 
rainforest and coral reefs), cryosphere components (e.g. the Greenland 
and Antarctic ice sheets) and large-scale atmospheric and oceanic 
circulations (e.g. the thermohaline circulation, ENSO and Indian summer 
monsoon). Once operating near a threshold or tipping point, these 
components can transgress into a qualitatively different state by small 
external perturbations. The large-scale environmental consequences could 
impact the livelihoods of millions of people.
In this session, we aim to bring together experts presenting and 
discussing the state-of-the-art research on tipping elements in the 
Earth's climate system, both in empirical data and numerical modelling 
of past, present and future climate. Among other topics, issues to be 
addressed in this session include critical thresholds for specific 
tipping elements, typical time scales of tipping, interactions and 
feedbacks between tipping elements, the potential for tipping cascades 
as well as environmental and socio-economic impacts of tipping.

Deadline for abstracts: *10 Jan 2019*, 13:00 CET

We look forward to seeing you all in Vienna!

Kind regards,
Ricarda, Jonathan, Victor, Henk, Tim
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