Marine biogeochemical nitrogen cycling through Earth's history

EE Stüeken, A Pellerin, C Thomazo… - Nature Reviews Earth & …, 2024 - nature.com
Earth's marine nitrogen cycle has co-evolved with life and redox conditions over geological
time. In this Review, we provide an account of nitrogen cycling in the world's oceans over the …

Editorial preface to special issue: Recovery of marine ecosystem after the Permian-Triassic mass extinction: New progress from South China

H Song, S Hu, M Benton, D Jiang - Palaeogeography, Palaeoclimatology …, 2024 - Elsevier
Abstract The end Permian to Middle Triassic interval (∼ 252–242 Ma) witnessed the largest
marine mass extinction and the most delayed recovery in the Phanerozoic. The nature and …

The Toarcian Oceanic Anoxic Event in a shelf environment (Eastern Tethys): Implications for weathering and redox conditions

Y Nie, X Fu, J Liang, H Wei, Z Chen, F Lin, S Zeng… - Sedimentary …, 2023 - Elsevier
Abstract The Toarcian Oceanic Anoxic Event (T-OAE) is characterized by significant
environmental perturbation and climatic instabilities due to a substantial release of …

Extremely high resolution XRF core scanning reveals the Early Triassic depositional history of the Montney Formation in northeastern British Columbia, Canada

SD Schoepfer, CM Henderson, TF Moslow… - Palaeogeography …, 2024 - Elsevier
Abstract The Montney Formation is a laterally extensive, fine-grained sedimentary unit in
western Alberta and northeastern British Columbia, and a major target of hydrocarbon …

Optimizations of the EA-IRMS system for δ15N analysis of trace nitrogen

L Zhong, J Peng, J He, Y Du, T Xing, J Li, W Guo… - Applied …, 2023 - Elsevier
The elemental analyzer-isotope ratio mass spectrometer (EA-IRMS) technique is widely
utilized to measure the nitrogen isotope ratio (δ 15 N) in various environmental samples …

Isotopic differences and paleoenvironmental significance of nitrogen contained in bulk sedimentary rocks, decarbonated aliquots and kerogen extracts

H Song, T Xing, EE Stüeken, Y Du, Y Zhu, X Tao, Q Ni… - Chemical …, 2023 - Elsevier
The stable nitrogen isotopic composition (δ 15 N) of sedimentary rocks is an important tool
for reconstructing the paleo-oceanic nitrogen cycle and has been widely used in …

[PDF][PDF] 中三叠世早中期华南古海洋磷富集演化及其对天文驱动力的响应'

刘冬洋, 黄春菊, 李明松, 陈文汉, 褚润健 - 第四纪研究, 2023 - dsjyj.com.cn
海洋的初级生产力是全球磷循环的重要环节, 响应并且影响着全球气候变化.
通过探讨地质历史时期的古海洋生产力的变化及其驱动机制, 为预测未来全球气候变化提供重要 …

Shallow-water redox changes and nitrogen cycles in the early Cambrian Nanhua Basin, South China

X Yang, C Jin, D Zeng - Journal of Asian Earth Sciences, 2024 - Elsevier
Widespread oceanic anoxia has been frequently invoked for metazoan extinctions during
the Cambrian. However, this hypothesis remains to be debated. In this study, we measured …

Large nitrogen cycle perturbations during the Early Triassic hyperthermal

Y Du, H Song, EE Stüeken, SE Grasby, H Song… - … et Cosmochimica Acta, 2024 - Elsevier
Ocean temperature, redox state, circulation, and nutrient levels regulate the marine nitrogen
(N) cycle, yet their specific impacts during greenhouse intervals remain poorly understood …

Heterogeneous coupling of δ13Corg and δ13Ccarb during the Shuram Excursion: Implications for a large dissolved organic carbon reservoir in the Ediacaran ocean

H Gu, J Hu, M Cheng, H Wang, MS Dodd… - Global and Planetary …, 2024 - Elsevier
The Ediacaran ocean recorded the largest negative carbonate carbon isotope (δ 13 C carb)
excursion in Earth's history, the Shuram Excursion (SE). The relatively invariant character of …