Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/98209
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dc.contributor.authorValero Montesa, Luis-
dc.contributor.authorCabrera, Lluís-
dc.contributor.authorSáez, Alberto-
dc.contributor.authorGarcés Crespo, Miguel-
dc.date.accessioned2016-05-03T12:09:18Z-
dc.date.available2018-03-31T22:01:12Z-
dc.date.issued2016-03-
dc.identifier.issn0012-821X-
dc.identifier.urihttp://hdl.handle.net/2445/98209-
dc.description.abstractSequestration of organic matter by peat accumulation constitutes a primary sink for carbon in the global carbon cycle. The processes that control the formation and storage of peat at geological time scales are poorly understood but are of a non-solved issue of fundamental importance for understanding the global climate system. We analyzed a 7million years long terrestrial record of Late Oligocene age from the As Pontes Basin in Northern Spain, which demonstrates that minima in the 405-kyr and 2.4-Myr eccentricity cycles play a key role in peat formation. Such nodes exhibit reduced precession amplitudes, thus avoiding extremes in seasons and seasonal contrast for a prolonged period of time. In the As Pontes Basin, this orbital configuration is associated with a decrease in siliciclastic sedimentation and enhanced peat formation. Feedbacks between equilibrium landscapes and ecosystem stability will lead to a deceleration of weathering and erosion rates in catchment areas and to minimum and stable sediment flux along the sediment routing system. Mid-latitude peat burial could contribute to disturb the carbon cycle by removing (atmospheric) carbon at times of minimum eccentricity.-
dc.format.extent33 p.-
dc.format.mimetypeapplication/pdf-
dc.language.isoeng-
dc.publisherElsevier B.V.-
dc.relation.isformatofVersió postprint del document publicat a: http://dx.doi.org/10.1016/j.epsl.2016.03.038-
dc.relation.ispartofEarth and Planetary Science Letters, 2016, vol. 444, p. 131-138-
dc.relation.urihttp://dx.doi.org/10.1016/j.epsl.2016.03.038-
dc.rightscc-by-nc-nd (c) Elsevier B.V., 2016-
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es-
dc.subject.classificationRotació de la Terra-
dc.subject.classificationMagnetoestratigrafia-
dc.subject.classificationPaleoclimatologia-
dc.subject.classificationOligocè-
dc.subject.classificationCicle del carboni (Biogeoquímica)-
dc.subject.otherEarth rotation-
dc.subject.otherMagnetostratigraphy-
dc.subject.otherPaleoclimatology-
dc.subject.otherOligocene-
dc.subject.otherCarbon cycle (Biogeochemistry)-
dc.titleLong-period astronomically-forced terrestrial carbon sinks-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/acceptedVersion-
dc.identifier.idgrec658981-
dc.date.updated2016-05-03T12:09:24Z-
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess-
Appears in Collections:Articles publicats en revistes (Dinàmica de la Terra i l'Oceà)

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