Publications of Ralf Schiebel
All genres
Meeting Abstract (13)
61.
Meeting Abstract
Structural post-mortem ordering of planktic foraminifer shell carbonate and potential effects on the fidelity of geochemical proxies. In Goldschmidt Montréal 2026, 36916. Goldschmidt 2026, Montréal, July 12, 2026 - July 17, 2026. (2026)
62.
Meeting Abstract
Seasonal Controls on the ecological and geochemical Planktic Foraminifera Proxy Systematics in the Gulf of Aqaba. In Goldschmidt Montréal 2026, 34711. Goldschmidt 2026, Montréal, July 12, 2026 - July 17, 2026. (2026)
63.
Meeting Abstract
Microstructural crystallography of foraminifer shells: implications for the biomineralisation pathway and response to diagenesis. In Goldschmidt Prague 2025, 31225. Goldschmidt 2025, Prague, July 06, 2025 - July 11, 2025. (2025)
64.
Meeting Abstract
Reduced N-fixation in the Low Latitude Atlantic during the Warmer Pliocene. In Goldschmidt Prague 2025, 32012. Goldschmidt 2025, Prague, July 06, 2025 - July 11, 2025. (2025)
65.
Meeting Abstract
Species-specific foraminifera-bound nitrogen isotopes as a proxy for symbiosis in fossil foraminifera: A case study using South Atlantic sediments. In AGU Annual Meeting 2024, PP43A-0388 . AGU Annual Meeting, Washington, DC, December 09, 2024 - December 13, 2024. (2024)
66.
Meeting Abstract
Foraminifera-bound nitrogen isotopes during the last 160 ka in the Mediterranean Sea. In Goldschmidt Chicago 2024, 21291. Goldschmidt 2024, Chicago, IL, August 18, 2024 - August 23, 2024. (2024)
67.
Meeting Abstract
Exploring aerosol size distributions from polar to tropical zones of the Atlantic Ocean. In EGU General Assembly 2024, Vienna, Austria & Online, EGU24-15400. EGU General Assembly 2024, Vienna, April 14, 2024 - April 19, 2024. (2024)
68.
Meeting Abstract
Foraminifera nitrogen isotopes and body size reveal an oxygen rise in the tropical upper ocean during the Paleocene-Eocene Thermal Maximum (PETM). In EGU General Assembly 2024, Vienna, Austria & Online, EGU24-11373. EGU General Assembly 2024, Vienna, April 14, 2024 - April 19, 2024. (2024)
69.
Meeting Abstract
Widespread tropical subsurface ocean oxygenation during the Paleocene-Eocene Thermal Maximum (Invited). In AGU Fall Meeting 2023, PP33B-05. AGU Fall Meeting, San Francisco, CA, December 11, 2023 - December 15, 2023. (2023)
70.
Meeting Abstract
Polymorph selection during crystallisation of amorphous precursors in seawater: experimentally modelling aspects of foraminiferal biomineralisation. In Goldschmidt Lyon 2023. Goldschmidt 2023, Lyon, July 09, 2023 - July 14, 2023. (2023)
71.
Meeting Abstract
North Atlantic N2 Fixation during the Pliocene-Pleistocene Transition. In Goldschmidt Lyon 2023. Goldschmidt 2023, Lyon, July 09, 2023 - July 14, 2023. (2023)
72.
Meeting Abstract
Contracted oxygen-deficient zones during Cenozoic climate optima. In Goldschmidt Hawaii 2022. Goldschmidt 2022, Honolulu, July 11, 2022 - July 15, 2022. (2022)
73.
Meeting Abstract
Rietveld and pair-distribution function analysis of nanogranular mesocrystalline shells of hyaline foraminifers. In Acta Crystallographica Section A: Foundations and Advances, 77 Suppl C, PS-37-2, p. C1069 - C1069. Abstracts of the XXV IUCr Congress
, Prague, Czech Republic, August 14, 2021 - August 22, 2021. IUCr/Wiley (2021)
Poster (4)
74.
Poster
Southern Ocean nutrient repletion and CO2 release at the peak warmth of the Cenozoic. Ocean Sciences Meeting, Glasgow, Scotland (2025)
75.
Poster
Non-Core-Shell Structure of Black carbon Aerosols over the Ocean Observed Onboard the S/Y Eugen Seibold. AGU Annual Meeting, Washington, DC (2024)
76.
Poster
Sea level change and nitrogen fixation dynamics in the Atlantic over glacial cycles. Goldschmidt 2024, Chicago, IL (2024)
77.
Poster
Fossil-bound nitrogen isotope and foraminifera size evidence for oxygenated tropical subsurface waters during the Paleocene-Eocene Thermal Maximum. Ocean Sciences Meeting, New Orleans, LA (2024)
Other (1)
78.
Other
Species-specific foraminifera-bound nitrogen isotope and foraminiferal calcite oxygen and carbon isotope measurements from DSDP Site 516 in the South Atlantic over a glacial-interglacial cycle [Dataset], (2025)
Preprint (8)
79.
Preprint
Southern Ocean CO2 release at the peak warmth of the Cenozoic. Research Square (2025)
80.
Preprint
Crustose Coralline Algae as a Proxy for Marine Nitrogen Cycling and Coral Trophic Strategies. Research Square (2025)