WY
Member Since 2017
Weiqi Yao
Associate Professor, Southern University of Science and Technology
AGU Research
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The response of nitrogen and sulfur cycles to oceanic oxygen loss across the Cenomanian-Turonian boundary
OXYGENATION DYNAMICS IN PAST CHANGING OCEANS I POSTER
paleoceanography and paleoclimatology | 13 december 2023
Weiqi Yao, Ruixiang Zhai, Zhiyu Zeng, Ruiling Zhan...
The Cretaceous Oceanic Anoxic Event 2 (OAE2) is a greenhouse episode of severe marine anoxia at the Cenomanian-Turonian boundary. This time interval i...
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Oceanic redox changes in the Arctic Ocean from the Eocene to the Miocene: Constraints from molybdenum geochemistry
OXYGENATION DYNAMICS IN PAST CHANGING OCEANS I POSTER
paleoceanography and paleoclimatology | 13 december 2023
Jingbo Nan, Xinying Wu, Weiqi Yao
Oceanic redox conditions influence the efficiency of organic matter exported to the sea floor and its feedback to climate change. In the present day, ...
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Postdepositional Behavior of Molybdenum in Deep Sediments and Implications for Paleoredox Reconstruction
GEOPHYSICAL RESEARCH LETTERS
28 october 2023
Jingbo Nan, Man-Yin Tsang, Jie Li, Male Köster, Su...
Molybdenum (Mo) is a trace element sensitive to oceanic redox conditions. The fidelity of sedimentary Mo as a paleoredox proxy of coeval seawater d...
Assessing pyrite oxidation during barite extraction from synthetic marine sediments
UNDERSTANDING THE INFLUENCES OF SEDIMENTARY AND OCEANOGRAPHIC PROCESSES ON GEOCHEMICAL ARCHIVES ACROSS GEOLOGIC TIME V ONLINE POSTER DISCUSSION
paleoceanography and paleoclimatology | 16 december 2022
Weiqi Yao, Man-Yin Tsang, Ulrich G Wortmann
Marine barite is considered a reliable recorder of sulfur and oxygen isotope compositions of seawater sulfate. The traditional barite extraction metho...
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Comparison of the Dissolution Rates of Pyrite and Barite
UNDERGRADUATE EARTH, ATMOSPHERIC, OCEAN, AND SPACE SCIENCE RESEARCH AND OUTREACH POSTERS II POSTER
education | 14 december 2022
Sausann Omran, Ulrich G Wortmann, Weiqi Yao
Sedimentary barite is considered a faithful recorder of the marine sulfate S-isotope ratio. Experimental studies suggest, however, that the presence o...
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Does shelf sediment erosion act as negative feedback to atmospheric pCO2 during glaciations? A case study of the Eocene-Oligocene transition
EARTH SURFACE PROCESSES AND THE GLOBAL CARBON CYCLE III POSTER
earth and planetary surface processes | 13 december 2021
Weiqi Yao, Stefan Markovic, Adina Paytan, Andrea M...
The Eocene-Oligocene transition (EOT) is characterized by a global cooling trend, falling sea levels, and the onset of Antarctic glaciation. Previous ...
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Oxidation of sedimentary sulfides as negative feedback to ice-sheet expansion: A case study from the Eocene-Oligocene Antarctic glaciation
BIOLOGICAL AND PHYSICAL PROCESSES IN HIGH-LATITUDE ENVIRONMENTS: IMPACTS ON THE GLOBAL CARBON CYCLE AND CLIMATE SYSTEM THROUGH TIME II POSTERS
paleoceanography and paleoclimatology | 11 december 2020
Weiqi Yao, Stefan Markovic, Adina Paytan, Ulrich G...
The Eocene-Oligocene transition (EOT) is characterized by a global cooling trend, falling sea levels, and the onset of Antarctic ice shield formation....
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Oxic sulfur cycling during the Paleocene-Eocene Thermal Maximum
MESOZOIC AND EARLY CENOZOIC GREENHOUSE CLIMATES: EXTREME ANALOGUES FOR FUTURE GLOBAL CHANGE II POSTERS
paleoceanography and paleoclimatology | 09 december 2019
Weiqi Yao, Adina Paytan, Ulrich G Wortmann
Recent work suggests that during the Paleocene-Eocene Thermal Maximum (PETM) the volume of the marine oxygen minimum zone (OMZ) expanded by up to 10 f...
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