Volcanism and wildfire associated with deep-time deglaciation during the Artinskian (early Permian)

Wang, Ye; Lu, Jing; Yang, Minfang; Yager, Joyce A.; Greene, Sarah E.; Sun, Ruoyu; Mu, Xiaomiao; Bian, Xiao; Zhang, Peixin; Shao, Longyi; Hilton, Jason

doi:10.1016/j.gloplacha.2023.104126

Cited by 2 publications

(4 citation statements)

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“…6,9,12,13 Therefore, an in-depth study of paleo-wildfires has important significance for exploring the transition trends of the Earth from ″icehouse″ to ″greenhouse″ climates. 2,8,11 Wildfires warm the atmosphere by emitting black carbon, which is paleoecologically known as charcoal in the μm and mm sizes; 3,5,8,14 these are also referred to as inertinite in anthracology, with several scholars agreeing that it is the product of the incomplete combustion of plants. 7,14−17 In addition, pyrolytic PAHs are commonly used as evidence of wildfire burning; 18−22 however, most studies on paleo-wildfires have focused on periods of biological mass extinction, such as the Cretaceous−Paleocene, 23,24 Permian−Triassic, 7,25−29 and Jurassic 3,16 extinction events.…”

Section: Introductionmentioning

confidence: 99%

“…Wildfires not only refer to modern occurrences but also include paleo-wildfire events before the Quaternary period, − which are an important part of earth systems. , Paleo-wildfires have been widespread since Silurian plants first emerged on the continent and have had a dramatic impact on terrestrial ecosystems. ,− Environmental factors and climatic conditions greatly influence the frequency and intensity of wildfires. , Large-scale wildfire events not only consumed oxygen but also produced large amounts of greenhouse gases and particulate matter, leading to changes in global climate. ,,, Therefore, an in-depth study of paleo-wildfires has important significance for exploring the transition trends of the Earth from ″icehouse″ to ″greenhouse″ climates. ,, …”

Section: Introductionmentioning

confidence: 99%

“… 2 , 6 − 10 Environmental factors and climatic conditions greatly influence the frequency and intensity of wildfires. 4 , 11 Large-scale wildfire events not only consumed oxygen but also produced large amounts of greenhouse gases and particulate matter, leading to changes in global climate. 6 , 9 , 12 , 13 Therefore, an in-depth study of paleo-wildfires has important significance for exploring the transition trends of the Earth from ″icehouse″ to ″greenhouse″ climates.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Paleo-Wildfires and Their Paleoclimatic Effects in Early Permian Coal in the Southern North China Basin

et al. 2023

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Paleo-wildfires can help elucidate the transition trends of Earth from “icehouse” to “greenhouse,” thereby allowing us to forecast the current changes associated with wildfires of this era. In this study, the early Permian Shanxi Formation in the Pingdingshan coalfield, located south of the North China Basin, was selected as a study site. Based on data on inertinite content, inertinite reflectance, nine polycyclic aromatic hydrocarbons (PAHs), paleo-wildfires, and their paleoclimate effect during the early Permian coal formation were systematically analyzed. The inertinite content in coal in the study area ranged from 9.76 to 29.65%, with an average of 19.32%. Meanwhile, the average inertinite reflectance values ranged from 2.41–4.74%, with an average of 2.75%. PAHs in the study area were mainly tricyclic and tetracyclic; the contents of fluorene, phenanthrene, pyrene, bypyrene, benzo[b]fluoranthene, and benzo[e]pyrene were higher than those of other PAHs in the same stratum. The total concentration of PAHs varied widely between layers (3601–21,894 ng/g). The presence of paleo-wildfires was confirmed by the contents of inertinite and PAHs. It can be concluded that paleo-wildfires in the study area were dominated by surface fires at low and medium temperatures based on the combustion equation. The oxygen content in the paleo-atmosphere of the Early Permian Shanxi Formation in the study area was 24.29%, which provided the necessary conditions for the occurrence of wildfires.

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