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Article: Earth outgassing and climatic transitions: the slow-burn towards environmental 'catastrophes'?
Title | Earth outgassing and climatic transitions: the slow-burn towards environmental 'catastrophes'? |
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Authors | |
Keywords | carbon cycle outgassing weathering climate biodiversity |
Issue Date | 2019 |
Publisher | Mineralogical Association of Canada. The Journal's web site is located at http://www.elementsmagazine.org |
Citation | Elements, 2019, v. 15 n. 5, p. 325-330 How to Cite? |
Abstract | On multimillion-year timescales, outgassing from the Earth's interior provides the principal source of CO2 to the ocean–atmosphere system, which plays a fundamental role in shaping the Earth's baseline climate. Fluctuations in global outgassing have been linked to icehouse–greenhouse transitions, although uncertainties surround paleo-outgassing fluxes. Here, we discuss how volcanic outgassing and the carbon cycle have evolved in concert with changes in plate tectonics and biotic evolution. We describe hypotheses of driving mechanisms for the Paleozoic icehouse–greenhouse climates and explore how climatic transitions may have influenced past biotic crises and, in particular, how variable outgassing rates established the backdrop for carbon cycle perturbations to instigate prominent mass extinction events. |
Persistent Identifier | http://hdl.handle.net/10722/274982 |
ISSN | 2023 Impact Factor: 2.2 2023 SCImago Journal Rankings: 1.306 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | McKenzie, NR | - |
dc.contributor.author | Jiang, H | - |
dc.date.accessioned | 2019-09-10T02:32:56Z | - |
dc.date.available | 2019-09-10T02:32:56Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | Elements, 2019, v. 15 n. 5, p. 325-330 | - |
dc.identifier.issn | 1811-5209 | - |
dc.identifier.uri | http://hdl.handle.net/10722/274982 | - |
dc.description.abstract | On multimillion-year timescales, outgassing from the Earth's interior provides the principal source of CO2 to the ocean–atmosphere system, which plays a fundamental role in shaping the Earth's baseline climate. Fluctuations in global outgassing have been linked to icehouse–greenhouse transitions, although uncertainties surround paleo-outgassing fluxes. Here, we discuss how volcanic outgassing and the carbon cycle have evolved in concert with changes in plate tectonics and biotic evolution. We describe hypotheses of driving mechanisms for the Paleozoic icehouse–greenhouse climates and explore how climatic transitions may have influenced past biotic crises and, in particular, how variable outgassing rates established the backdrop for carbon cycle perturbations to instigate prominent mass extinction events. | - |
dc.language | eng | - |
dc.publisher | Mineralogical Association of Canada. The Journal's web site is located at http://www.elementsmagazine.org | - |
dc.relation.ispartof | Elements | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | carbon cycle | - |
dc.subject | outgassing | - |
dc.subject | weathering | - |
dc.subject | climate | - |
dc.subject | biodiversity | - |
dc.title | Earth outgassing and climatic transitions: the slow-burn towards environmental 'catastrophes'? | - |
dc.type | Article | - |
dc.identifier.email | McKenzie, NR: ryan00@hku.hk | - |
dc.identifier.authority | McKenzie, NR=rp02198 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.2138/gselements.15.5.325 | - |
dc.identifier.hkuros | 304949 | - |
dc.identifier.volume | 15 | - |
dc.identifier.issue | 5 | - |
dc.identifier.spage | 325 | - |
dc.identifier.epage | 330 | - |
dc.identifier.isi | WOS:000489051800007 | - |
dc.publisher.place | Canada | - |
dc.identifier.issnl | 1811-5209 | - |