Delayed sedimentary response to abrupt climate change at the Paleocene-Eocene boundary, northern Spain
| العنوان: | Delayed sedimentary response to abrupt climate change at the Paleocene-Eocene boundary, northern Spain |
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| المؤلفون: | John J. Armitage, Stephen T. Grimes, Hayley Manners, Tom Dunkley Jones, Robert A. Duller |
| المساهمون: | Univ Liverpool, Dept Earth Ocean & Ecol Sci, Liverpool L69 3BX, Merseyside, England, Institut de Physique du Globe de Paris (IPGP), Institut national des sciences de l'Univers (INSU - CNRS)-IPG PARIS-Université de La Réunion (UR)-Centre National de la Recherche Scientifique (CNRS)-Université de Paris (UP), Univ Plymouth, Sch Geog Earth & Environm Sci, Plymouth PL4 8AA, Devon, England, School of Geography, Earth and Environmental Sciences [Plymouth] (SoGEES), Plymouth University, School of Geography, Earth and Environmental Sciences [Birmingham], University of Birmingham [Birmingham], French Agence National de la Recherche, Accueil de Chercheurs de Haut Niveau call, grant 'InterRift' NERC Natural Environment Research CouncilNE/P013112/1 |
| المصدر: | Geology Geology, Geological Society of America, 2019, 47 (2), pp.159-162. ⟨10.1130/G45631.1⟩ Geology (Boulder) |
| بيانات النشر: | Geological Society of America, 2019. |
| سنة النشر: | 2019 |
| مصطلحات موضوعية: | PETM, Delta, TIME SCALES, 010504 meteorology & atmospheric sciences, Lag, [SDU.STU]Sciences of the Universe [physics]/Earth Sciences, Climate change, 010502 geochemistry & geophysics, 01 natural sciences, CARBON, COMPENSATIONAL STACKING, RECORDS, 0105 earth and related environmental sciences, RELEASE, SEA, KeyWords Plus:THERMAL MAXIMUM, Global warming, Sediment, Geology, Radiative forcing, [SDU]Sciences of the Universe [physics], 13. Climate action, BIGHORN BASIN, Abrupt climate change, Sedimentary rock, Physical geography |
| الوصف: | International audience; Sediment routing systems (SRSs) are a critical element of the global response to ongoing climate change. However SRS response to climate forcing is complex, fragmentary, and obscured when viewed over short, human time scales (10(-1)-10(2) yr). Over long time scales (>10(2)-10(3) yr), the aggregated, system-wide response of SRSs to climate forcing can be gleaned with more confidence from the sedimentary record, but the nature and time scales of this aggregated response to abrupt climate change are still poorly understood. Here, we investigate the aggregated temporal response of a SRS in northern Spain to abrupt climate warming at the Paleocene-Eocene thermal maximum (PETM). Our results show that terrestrial sites in northern Spain record a temporal lag of 16.5 +/- 7.5 k.y. between the onset of the PETM, defined by an abrupt negative excursion in the delta C-13 profile, and the onset of coarse-grained deposition. Within the same SRS at a deep marine site 500 km to the west, we observe a temporal lag of 16.5 +/- 1.5 k.y. using an age model that is independent of that used for the terrestrial sites. These results suggest that the aggregated, system-wide response of SRSs to present-day global warming-if we take the PETM as an appropriate modern-day analogue-may persist for many millennia into the future. |
| وصف الملف: | application/pdf |
| تدمد: | 0091-7613 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5b46264fc04da6bed1c5064f5fb3345 https://doi.org/10.1130/g45631.1 |
| حقوق: | OPEN |
| رقم الأكسشن: | edsair.doi.dedup.....f5b46264fc04da6bed1c5064f5fb3345 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 00917613 |
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