Initial assessment of the carbon emission rate and climatic consequences during the end-Permian mass extinction

Cui, Ying; Kump, Lee R.; Ridgwell, Andy

doi:10.1016/j.palaeo.2013.09.001

Cited by 51 publications

(68 citation statements)

References 58 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The saturation rate in the post-extinction (over 20 Ka.) is just 0.2 larger than the pre-extinction and no overshoot increase of pH is seen in the modeling (Cui et al, 2013). Although the weathering of CaSiO 3 and CaCO 3 presented by Kump et al (2009) also just increases c ALK by 2 and 2, as well as Τ CO2 by 2 and 1, respectively (Table 1), such equivalent increases in both c ALK of Τ CO2 won't cause significant change of saturation condition.…”

Section: Oversaturation Of Carbonates Following Ocean Acidification?mentioning

confidence: 76%

“…However this acidified ocean would be reversed by reduced carbon burial (Greene et al, 2012;Rampino and Caldeira, 2005) and alkaline input, since sustainable increase of atmospheric CO 2 would subsequently enhance terrestrial weathering (Greene et al, 2012;Algeo et al, 2011;Kump et al, 2009). Cui et al (2013) modeled a similar carbonate saturation dynamic, showing that the ocean might be oversaturated in 20 Ka. after the onset of concurrent mass extinction and volcanic eruption.…”

Section: Oversaturation Of Carbonates Following Ocean Acidification?mentioning

confidence: 99%

See 1 more Smart Citation

Rapid carbonate depositional changes following the Permian-Triassic mass extinction: Sedimentary evidence from South China

et al. 2015

View full text Add to dashboard Cite

Various environmental changes were associated with the Permian-Triassic mass extinction at 252.2 Ma. Diverse unusual sediments and depositional phenomena have been uncovered as responses to environmental and biotic changes. Lithological and detailed conodont biostratigraphic correlations within six Permian-Triassic boundary sections in South China indicate rapid fluctuations in carbonate deposition. Four distinct depositional phases can be recognized: (1) normal carbonate deposition on the platform and slope during the latest Permian; (2) reduced carbonate deposition at the onset of the main extinction horizon; (3) expanded areas of carbonate deposition during the Hindeodus changxingsensis Zone to the H. parvus Zone; and (4) persistent mud-enriched carbonate deposition in the aftermath of the Permian-Triassic transition.Although availability of skeletal carbonate was significantly reduced during the mass extinction, the increase in carbonate deposition did not behave the same way. The rapid carbonate depositional changes, presented in this study, suggest that diverse environmental changes played key roles in the carbonate deposition of the Permian-Triassic mass extinction and onset of its aftermath. An overview of hypotheses to explain these changes implies enhanced terrestrial input, abnormal ocean circulation and various geobiological processes contributed to carbonate saturation fluctuations, as the sedimentary response to large volcanic eruptions.

show abstract

Section: Oversaturation Of Carbonates Following Ocean Acidification?mentioning

confidence: 76%

Section: Oversaturation Of Carbonates Following Ocean Acidification?mentioning

confidence: 99%

Rapid carbonate depositional changes following the Permian-Triassic mass extinction: Sedimentary evidence from South China

et al. 2015

View full text Add to dashboard Cite

show abstract

“…If correct, the scenario we favor above therefore requires larger releases of carbon than considered in these modeling studies or additional acidification via the release of other acid volatiles, as is suggested by petrologic data (Black et al 2012). A release larger than the Cui et al (2013) organic carbon scenario is also more consistent with the magnitude of warming implied by oxygen isotope records in conodont apatite Sun et al 2012) and the size of the negative excursion in the calcium isotope composition of carbonates and conodont apatite (Payne et al 2010;Hinojosa et al 2012). Further reconciliation between modeling and all forms of data-paleontological, geochemical, and sedimentological-will be critical to further refinement of causal explanations for the endPermian catastrophe.…”

Section: Significance For Understanding Late Permian Extinctionmentioning

confidence: 89%

“…For example, Cui et al (2013) demonstrated that the amount of oxidized organic carbon required to account for the observed carbon isotope excursion is insufficient to cause undersaturation of the entire ocean. Similarly, Montenegro et al (2011) found that an ocean with modern alkalinity but 4500 ppm CO 2 still contained some supersaturated regions in the tropics.…”

Section: Significance For Understanding Late Permian Extinctionmentioning

confidence: 99%

Environmental Controls on the Genesis of Marine Microbialites and Dissolution Surface Associated With the End-Permian Mass Extinction: New sections and Observations From the Nanpanjiang Basin, South China

Lehrmann

Bentz

Wood

et al. 2015

PALAIOS

View full text Add to dashboard Cite

“…Numerous studies have been conducted to characterize the biotic changes (Payne and Clapham, 2012;Chen and Benton, 2012;Crasquin and Forel, 2014;Chen et al, 2014aChen et al, , 2014b; and references therein) and environmental disturbances (Xie et al, 2007;Sun et al, 2012;Romano et al, 2012;Retallack, 2013;Cui et al, 2013;Benton and Newell, 2014;Cui and Kump, 2014;Feng and Algeo, 2014) associated with the end-Permian extinction event (EPE, Burgess et al, 2014) within marine successions. In recent years, emphasis has been directed to exposures located along the Yangtze Platform in South China, culminating in the definition of the Global Stratotype Section and Point (GSSP) for the Permian-Triassic boundary (PTB) at the Meishan section (Zhejiang province, west of Shanghai, Yin et al, 2001).…”

Section: Introductionmentioning

confidence: 99%

Terrestrial paleoenvironment characterization across the Permian–Triassic boundary in South China

Bercovici

Cui

Forel

et al. 2015

Journal of Asian Earth Sciences

Self Cite

View full text Add to dashboard Cite

a b s t r a c tWell-preserved marine fossils in carbonate rocks permit detailed studies of the end-Permian extinction event in the marine realm. However, the rarity of fossils in terrestrial depositional environments makes it more challenging to attain a satisfactory degree of resolution to describe the biotic turnover on land. Here we present new sedimentological, paleontological and geochemical (X-ray fluorescence) analysis from the study of four terrestrial sections (Chahe, Zhejue, Mide and Jiucaichong) in Western Guizhou and Eastern Yunnan (Yangtze Platform, South China) to evaluate paleoenvironmental changes through the Permian-Triassic transition.Our results show major differences in the depositional environments between the Permian Xuanwei and the Triassic Kayitou formations with a change from fluvial-lacustrine to coastal marine settings. This change is associated with a drastic modification of the preservation mode of the fossil plants, from large compressions to small comminuted debris. Plant fossils spanning the Permian-Triassic boundary show the existence of two distinct assemblages: In the Xuanwei Formation, a Late Permian (Changhsingian) assemblage with characteristic Cathaysian wetland plants (mainly Gigantopteris dictyophylloides, Gigantonoclea guizhouensis, G. nicotianaefolia, G. plumosa, G. hallei, Lobatannularia heinanensis, L. cathaysiana, L. multifolia, Annularia pingloensis, A. shirakii, Paracalamites stenocostatus, Cordaites sp.) is identified. In the lowermost Kayitou Formation, an Early Triassic (Induan) Annalepis-Peltaspermum assemblage is shown, associated with very rare, relictual gigantopterids. Palynological samples are poor, and low yield samples show assemblages almost exclusively represented by spores. A 1 m thick zone enriched in putative fungal spores was identified near the top of the Xuanwei Formation, including diverse multicellular forms, such as Reduviasporonites sp. This interval likely corresponds to the PTB ''fungal spike'' conventionally associated with land denudation and ecosystem collapse. While the floral turnover is evident, further studies based on plant diversity would be required in order to assess contribution linked to the end-Permian mass extinction versus local paleoenvironmental changes associated with the transition between the Xuanwei and Kayitou formations.

show abstract

Initial assessment of the carbon emission rate and climatic consequences during the end-Permian mass extinction

Cited by 51 publications

References 58 publications

Rapid carbonate depositional changes following the Permian-Triassic mass extinction: Sedimentary evidence from South China

Rapid carbonate depositional changes following the Permian-Triassic mass extinction: Sedimentary evidence from South China

Environmental Controls on the Genesis of Marine Microbialites and Dissolution Surface Associated With the End-Permian Mass Extinction: New sections and Observations From the Nanpanjiang Basin, South China

Terrestrial paleoenvironment characterization across the Permian–Triassic boundary in South China

Contact Info

Product

Resources

About