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Oxygenation, life, and the planetary system during Earth's middle history: An overview
The long history of life on Earth has unfolded as a cause-and-effect relationship with the
evolving amount of oxygen (O2) in the oceans and atmosphere. Oxygen deficiency …
evolving amount of oxygen (O2) in the oceans and atmosphere. Oxygen deficiency …
Microbial production of recalcitrant dissolved organic matter: long-term carbon storage in the global ocean
The biological pump is a process whereby CO2 in the upper ocean is fixed by primary
producers and transported to the deep ocean as sinking biogenic particles or as dissolved …
producers and transported to the deep ocean as sinking biogenic particles or as dissolved …
The tempo of Ediacaran evolution
The rise of complex macroscopic life occurred during the Ediacaran Period, an interval that
witnessed large-scale disturbances to biogeochemical systems. The current Ediacaran …
witnessed large-scale disturbances to biogeochemical systems. The current Ediacaran …
Calibrating the coevolution of Ediacaran life and environment
The rise of animals occurred during an interval of Earth history that witnessed dynamic
marine redox conditions, potentially rapid plate motions, and uniquely large perturbations to …
marine redox conditions, potentially rapid plate motions, and uniquely large perturbations to …
Oceanic oxygenation events in the anoxic Ediacaran ocean
The ocean‐atmosphere system is typically envisioned to have gone through a unidirectional
oxygenation with significant oxygen increases in the earliest (ca. 635 Ma), middle (ca. 580 …
oxygenation with significant oxygen increases in the earliest (ca. 635 Ma), middle (ca. 580 …
Rise to modern levels of ocean oxygenation coincided with the Cambrian radiation of animals
The early diversification of animals (∼ 630 Ma), and their development into both motile and
macroscopic forms (∼ 575–565 Ma), has been linked to stepwise increases in the …
macroscopic forms (∼ 575–565 Ma), has been linked to stepwise increases in the …
The Neoproterozoic oxygenation event: Environmental perturbations and biogeochemical cycling
The oxygen content of the Earth's surface environment is thought to have increased in two
broad steps: the Great Oxygenation Event (GOE) around the Archean–Proterozoic boundary …
broad steps: the Great Oxygenation Event (GOE) around the Archean–Proterozoic boundary …
Ocean oxygenation in the wake of the Marinoan glaciation
Metazoans are likely to have their roots in the Cryogenian period,,, but there is a marked
increase in the appearance of novel animal and algae fossils shortly after the termination of …
increase in the appearance of novel animal and algae fossils shortly after the termination of …
Sulfate triple-oxygen-isotope evidence confirming oceanic oxygenation 570 million years ago
The largest negative inorganic carbon isotope excursion in Earth's history, namely the
Ediacaran Shuram Excursion (SE), closely followed by early animal radiation, has been …
Ediacaran Shuram Excursion (SE), closely followed by early animal radiation, has been …
[PDF][PDF] Carbon isotope stratigraphy
Variations in the 13C/12C value of total dissolved inorganic carbon (DIC) in the world's
oceans through time have been documented through stratigraphic study of marine …
oceans through time have been documented through stratigraphic study of marine …