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Arctic tipping points in an Earth system perspective.

Paul Wassmann1, Timothy M Lenton

  • 1Department of Arctic and Marine Biology, Fishery and Economy, University of Tromsø, 9037, Tromsø, Norway. paul.wassmann@uit.no

Ambio
|January 25, 2012
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Summary

This volume explores Arctic tipping points and their impact on Earth systems. Understanding these critical thresholds is vital for managing Arctic ecosystems and societies amidst human influence and climate change.

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Area of Science:

  • Earth System Science
  • Arctic Studies
  • Environmental Science

Background:

  • The Arctic is a critical component of the Earth system, sensitive to global changes.
  • Human activities increasingly impact Arctic ecosystems and societies.
  • Tipping points represent critical thresholds beyond which significant system changes occur.

Purpose of the Study:

  • To introduce the concept of tipping points and tipping elements within the Arctic context.
  • To examine the role of humans in the Arctic Earth system, focusing on ecosystems and societies.
  • To synthesize research on Arctic tipping points, governance, and resilience.

Main Methods:

  • The volume synthesizes eight publications from the Arctic Frontiers conference (2011) and the EU FP7 project Arctic Tipping Points.
  • It elucidates tipping points in Arctic climate, ecosystems, and societies.
  • Resilience thinking is applied to develop management strategies.

Main Results:

  • Arctic climate, ecosystems, and societies possess tipping elements that are sensitive to human influence.
  • Governance and anticipation present significant challenges in managing Arctic tipping points.
  • The research highlights the interconnectedness of human actions and Arctic system stability.

Conclusions:

  • Effective management strategies informed by resilience thinking are crucial to prevent Arctic systems from reaching tipping points.
  • Understanding and addressing human impacts are essential for maintaining Arctic ecosystem and societal stability.
  • Proactive governance and anticipation are necessary to navigate the complexities of Arctic change.