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The topology of non-linear global carbon dynamics: from tipping points to planetary boundaries
Stockholms universitet, Naturvetenskapliga fakulteten, Stockholm Resilience Centre. Australian National University, Australia.
Stockholms universitet, Naturvetenskapliga fakulteten, Stockholm Resilience Centre.ORCID-id: 0000-0001-8988-2983
2013 (Engelska)Ingår i: Environmental Research Letters, ISSN 1748-9326, E-ISSN 1748-9326, Vol. 8, nr 4, s. 044048-Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

We present a minimal model of land use and carbon cycle dynamics and use it to explore the relationship between non-linear dynamics and planetary boundaries. Only the most basic interactions between land cover and terrestrial, atmospheric, and marine carbon stocks are considered in the model. Our goal is not to predict global carbon dynamics as it occurs in the actual Earth System. Rather, we construct a conceptually reasonable heuristic model of a feedback system between different carbon stocks that captures the qualitative features of the actual Earth System and use it to explore the topology of the boundaries of what can be called a 'safe operating space' for humans. The model analysis illustrates the existence of dynamic, non-linear tipping points in carbon cycle dynamics and the potential complexity of planetary boundaries. Finally, we use the model to illustrate some challenges associated with navigating planetary boundaries.

Ort, förlag, år, upplaga, sidor
2013. Vol. 8, nr 4, s. 044048-
Nyckelord [en]
planetary boundaries, landuse change, topology, dynamics, critical transitions
Nationell ämneskategori
Miljövetenskap Ekologi
Identifikatorer
URN: urn:nbn:se:su:diva-100673DOI: 10.1088/1748-9326/8/4/044048ISI: 000329604900055OAI: oai:DiVA.org:su-100673DiVA, id: diva2:695959
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AuthorCount:4;

Tillgänglig från: 2014-02-12 Skapad: 2014-02-10 Senast uppdaterad: 2018-01-26Bibliografiskt granskad

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Av författaren/redaktören
Rockström, Johan
Av organisationen
Stockholm Resilience Centre
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Environmental Research Letters
MiljövetenskapEkologi

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