A 40-million-year history of atmospheric CO2

YG Zhang, M Pagani, Z Liu… - … Transactions of the …, 2013 - royalsocietypublishing.org
The alkenone–p CO2 methodology has been used to reconstruct the partial pressure of
ancient atmospheric carbon dioxide (p CO2) for the past 45 million years of Earth's history …

A general model for carbon isotopes in red-lineage phytoplankton: Interplay between unidirectional processes and fractionation by RubisCO

EB Wilkes, A Pearson - Geochimica et Cosmochimica Acta, 2019 - Elsevier
The carbon isotopic composition of organic matter preserved in marine sediments provides
a window into the global carbon cycle through geologic time, including variations in …

High-resolution alkenone palaeobarometry indicates relatively stable pCO2 during the Pliocene (3.3–2.8 Ma)

MPS Badger, DN Schmidt… - … Transactions of the …, 2013 - royalsocietypublishing.org
Temperature reconstructions indicate that the Pliocene was approximately 3° C warmer
globally than today, and several recent reconstructions of Pliocene atmospheric CO2 …

Refining the alkenone-pCO2 method II: Towards resolving the physiological parameter 'b'

YG Zhang, J Henderiks, X Liu - Geochimica et Cosmochimica Acta, 2020 - Elsevier
Haptophyte algal biomarkers called alkenones are widely used to reconstruct atmospheric
CO 2 in Earth's Cenozoic history. This method is based on the notion that the algal carbon …

Refining the alkenone-pCO2 method I: Lessons from the Quaternary glacial cycles

YG Zhang, A Pearson, A Benthien, L Dong… - … et Cosmochimica Acta, 2019 - Elsevier
The alkenone-pCO 2 method is one of the most widely used approaches to reconstruct
atmospheric CO 2 in the Cenozoic. The method depends upon fractionation of stable carbon …

Climatic influences on the Paleogene evolution of alkenones

SC Brassell - Paleoceanography, 2014 - Wiley Online Library
Application of the alkenone paleotemperature proxy (UK'37) for marine sediments is
typically constrained by three factors:(i) an absence of alkatrienones in sediments deposited …

[HTML][HTML] Constraining the applicability of organic paleotemperature proxies for the last 90 Myrs

MW de Bar, SW Rampen, EC Hopmans… - Organic …, 2019 - Elsevier
We evaluated changes in the distributions of long-chain alkenones, long-chain diols and
GDGTs, lipids commonly used for paleothermometry, over the last 90 Myrs for sediments …

Atmospheric CO2 from the late Oligocene to early Miocene based on photosynthesis data and fossil leaf characteristics

M Grein, C Oehm, W Konrad, T Utescher… - Palaeogeography …, 2013 - Elsevier
The late Oligocene represents a comparatively cool phase followed by a warming event, the
so-called Late Oligocene Warming that predates the Mi-1 glacial event at the Oligocene …

Productivity and sea-surface temperature changes recorded during the late Eocene–early Oligocene at DSDP Site 511 (South Atlantic)

J Plancq, E Mattioli, B Pittet, L Simon… - Palaeogeography …, 2014 - Elsevier
This study investigates paleoenvironmental changes during the Eocene–Oligocene
transition (EOT) at Deep Sea Drilling Project (DSDP) Site 511 (South Atlantic), as inferred …

Sea surface temperatures and environmental conditions during the “warm Pliocene” interval (~ 4.1–3.2 Ma) in the Eastern Mediterranean (Cyprus)

M Athanasiou, I Bouloubassi, A Gogou, V Klein… - Global and planetary …, 2017 - Elsevier
Organic geochemical (alkenones) and micropaleontological (nannofossil) data from the
Pissouri South section (PPS) in the island of Cyprus provided a detailed description of the …