Explanipedia

Paleoproductivity and coccolith carbonate export in the northern Bay of Bengal during the late Pleistocene Open

Medhavi Srivastava, Clara T Bolton, Luc Beaufort, Franck Bassinot, Katarı́na Holcová · 2025

The Bay of Bengal (BoB) is a unique oceanographic and sedimentary environment because of the influence of the South Asian monsoon, which causes seasonal reversals of wind-driven ocean circulation and results in massive inputs of freshwater…

Supplementary material to "Divergent estimates of Miocene to Pleistocene upper ocean temperatures in the South Atlantic Ocean from alkenone and coccolith clumped isotope proxies" Open

Heather Stoll, Clara T Bolton, Madalina Jaggi, Alfredo Martínez‐García, Stefano M. Bernasconi · 2025

Divergent estimates of Miocene to Pleistocene upper ocean temperatures in the South Atlantic Ocean from alkenone and coccolith clumped isotope proxies Open

Heather Stoll, Clara T Bolton, Madalina Jaggi, Alfredo Martínez‐García, Stefano M. Bernasconi · 2025

Estimates of surface ocean temperatures in the past are essential for evaluating the sensitivity of Earth’s surface temperature to higher atmospheric CO2 concentrations such as those characterizing the Miocene. However, in the higher latit…

A Comparison of New and Established Foraminiferal Dissolution Proxies in Tropical Indian Ocean Deep‐Sea Sediments Open

Michael Adebayo, Clara T Bolton, Franck Bassinot, Thibault de Garidel‐Thoron · 2025

Assessing the preservation state of calcium carbonate microfossils preserved in deep‐sea sediments allows us to understand the impact of ocean chemistry on deep‐sea carbonate distribution and provides key information on potential biases af…

The Late Miocene Biogenic Bloom in oligotrophic waters of the South Atlantic subtropical gyre Open

Tamires Nunes Zardin, Karlos Guilherme Diemer Kochhann, Clara T Bolton, Marlone H.H. Bom, Guilherme Krahl , et al. · 2025

The Late Miocene Biogenic Bloom in oligotrophic waters of the South Atlantic subtropical gyre Open

Tamires Nunes Zardin, Karlos Guilherme Diemer Kochhann, Clara T Bolton, Marlone H.H. Bom, Guilherme Krahl , et al. · 2025

Coccoliths as Recorders of Paleoceanography and Paleoclimate over the Past 66 Million Years Open

Clara T Bolton, Heather Stoll · 2024

Coccolithophores are a major group of oceanic calcifying phytoplankton, and their calcite skeletal remains, termed calcareous nannofossils, are a major component of deep-sea sediments accumulating since the Jurassic. Cocco-lithophores play…

Early Pleistocene Orbital‐Scale Variability in Australian Northwest Shelf Sediments Open

Song Zhao, Katharine Grant, David Heslop, Stephen J. Gallagher, Clara T Bolton , et al. · 2024

Paleoclimate proxy records from regions sensitive to humidity/aridity extremes provide crucial insights into the natural forcing mechanisms underlying long‐term climate variability in broader regions. One such area is Northwest Australia, …

Toward a Cenozoic history of atmospheric CO 2 Open

Bärbel Hönisch, Dana L. Royer, Daniel O. Breecker, P. J. Polissar, Gabriel J. Bowen , et al. · 2023

The geological record encodes the relationship between climate and atmospheric carbon dioxide (CO 2 ) over long and short timescales, as well as potential drivers of evolutionary transitions. However, reconstructing CO 2 beyond direct meas…

Early-Pleistocene orbital variability in Northwest Australian shelf s Open

Song Zhao, Katharine Grant, David Heslop, Stephen J. Gallagher, Clara T Bolton , et al. · 2023

Paleoclimate proxy records from regions sensitive to humidity/aridity extremes provide valuable insights into natural forcing mechanisms underlying long-term climate variability in the wider region. One such area is Northwest Australia, wh…

Climate Evolution Through the Onset and Intensification of Northern Hemisphere Glaciation Open

Erin L. McClymont, Sze Ling Ho, Heather L. Ford, Ian Bailey, Melissa A. Berke , et al. · 2023

The Pliocene Epoch (∼5.3–2.6 million years ago, Ma) was characterized by a warmer than present climate with smaller Northern Hemisphere ice sheets, and offers an example of a climate system in long‐term equilibrium with current or predicte…

The role of paleogeography in Asian monsoon evolution: a review and new insights from climate modelling Open

Delphine Tardif, Anta‐Clarisse Sarr, Frédéric Fluteau, Alexis Licht, Mustafa Kaya , et al. · 2023

Late Miocene surface ocean properties in the eastern equatorial Indian Ocean: monsoon and global climate drivers Open

Clara T Bolton, Claire Martinot, Kazuyo Tachikawa, Anta‐Clarisse Sarr, Laurence Vidal , et al. · 2023

Environmental Controls of Size Distribution of Modern Planktonic Foraminifera in the Tropical Indian Ocean Open

Michael Adebayo, Clara T Bolton, Ross Marchant, Franck Bassinot, Sandrine Conrod , et al. · 2023

Paleoceanographic studies often rely on abundance changes in microfossil species, with little consideration for characteristics such as organism size, which may also be related to environmental changes. Using a tropical Indian Ocean (TIO) …

A Global Reassessment of the Spatial and Temporal Expression of the Late Miocene Biogenic Bloom Open

Quentin Pillot, Baptiste Suchéras-Marx, Anta‐Clarisse Sarr, Clara T Bolton, Yannick Donnadieu · 2023

The Late Miocene Biogenic Bloom (LMBB) is a late Miocene to early Pliocene oceanographic event characterized by high accumulation rates of opal from diatoms and calcite from calcareous nannofossils and planktic foraminifera. This multi‐mil…

The Late Miocene Biogenic Bloom : A globally distributed but not an ubiquitous event Open

Quentin Pillot, Baptiste Suchéras-Marx, Anta‐Clarisse Sarr, Clara T Bolton, Yannick Donnadieu · 2022

The Late Miocene Biogenic Bloom (LMBB) is a late Miocene to early Pliocene oceanographic event characterized by high accumulation rates of opal from diatoms and calcite from calcareous nannofossils and planktic foraminifera. This multi-mil…

Drivers of Late Miocene Tropical Sea Surface Cooling: A New Perspective From the Equatorial Indian Ocean Open

Claire Martinot, Clara T Bolton, Anta‐Clarisse Sarr, Yannick Donnadieu, Marta Garcia , et al. · 2022

During the late Miocene, global cooling occurred alongside the establishment of near‐modern terrestrial and marine ecosystems. Significant (3°C–5°C) sea surface cooling from 7.5 to 5.5 Ma is recorded by proxies at midlatitudes to high lati…

Assessing late Pliocene climate variability over glacial-interglacial timescales (PlioVAR) Open

Erin L. McClymont, Sze Ling Ho, Heather L. Ford, Sarah White, Jeroen Groenveld , et al. · 2022

The Pliocene epoch (~2.6-5.3 million years ago) is one of the best resolved examples of a climate state in long-term equilibrium with current or predicted near-future atmospheric CO2 concentrations, characte…

Plio-Pleistocene productivity reconstructions in the Indian Monsoon region Open

Emmeline Gray, Pallavi Anand, Marcus P. S. Badger, Clara T Bolton, Melanie J. Leng , et al. · 2022

The Indian Summer Monsoon (ISM) brings seasonal winds and rains to the Indian subcontinent.  The winds cause surface ocean mixing in the southern Bay of Bengal (BoB), bringing nutrients to the surface that fuel ocean prod…

Secular and orbital-scale variability of equatorial Indian Ocean summer monsoon winds during the late Miocene Open

Clara T Bolton, Emmeline Gray, Wolfgang Kuhnt, Ann Holbourn, Julia Lübbers , et al. · 2022

In the modern northern Indian Ocean, biological productivity is intimately linked to near-surface oceanographic dynamics forced by the South Asian, or Indian, monsoon. In the late Pleistocene, this strong seasonal signal is transferred to …

Neogene South Asian monsoon rainfall and wind histories diverged due to topographic effects Open

Anta‐Clarisse Sarr, Yannick Donnadieu, Clara T Bolton, Jean‐Baptiste Ladant, Alexis Licht , et al. · 2022

Reconciling South Asian Monsoon Rainfall and Wind Histories Open

Anta‐Clarisse Sarr, Yannick Donnadieu, Clara T Bolton, Jean‐Baptiste Ladant, Alexis Licht , et al. · 2022

Cenozoic evolution of South Asian Monsoon and mechanisms driving changes recorded in the geological record remain highly debated. An intensification of monsoonal rainfall recorded in sediment archives from the earliest Miocene (23…

Spatial heterogeneity of the Late Miocene Biogenic Bloom Open

Quentin Pillot, Baptiste Suchéras-Marx, Anta‐Clarisse Sarr, Clara T Bolton, Jean‐Baptiste Ladant , et al. · 2022

The late Miocene and early Pliocene is marked by a major oceanographic and geological event called the Late Miocene Biogenic Bloom (LMBB). This event …

Comment on cp-2021-151 Open

Clara T Bolton · 2021

Abstract. The Pliocene sedimentary record provides a window into Earth's climate dynamics under warmer-than-present boundary conditions. However, the Pliocene cannot be considered a stable warm climate that constitutes a s…

Drivers of late Miocene tropical sea surface cooling: a new perspective from the equatorial Indian Ocean Open

Claire Martinot, Clara T Bolton, Anta‐Clarisse Sarr, Yannick Donnadieu, Marta Garcia , et al. · 2021

Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Paleoceanography and Paleoclimatology. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary…

Drivers of late Miocene tropical sea surface cooling: a new perspective from the equatorial Indian Ocean Open

Claire Martinot, Clara T Bolton, Anta‐Clarisse Sarr, Yannick Donnadieu, Marta Garcia , et al. · 2021

Earth and Space Science Open Archive This preprint has been submitted to and is under consideration at Paleoceanography and Paleoclimatology. ESSOAr is a venue for early communication or feedback before peer review. Data may be preliminary…

Cyclic evolution of phytoplankton forced by changes in tropical seasonality Open

Luc Beaufort, Clara T Bolton, Anta‐Clarisse Sarr, Baptiste Suchéras-Marx, Yair Rosenthal , et al. · 2021

Controls on Alkenone Carbon Isotope Fractionation in the Modern Ocean Open

Samuel R. Phelps, Heather Stoll, Clara T Bolton, Luc Beaufort, P. J. Polissar · 2021

Carbon isotope records from alkenone biomarkers (ε p37:2 ) produced by haptophyte algae are frequently used for atmospheric CO 2 paleobarometry, but this method has yielded inconsistent results during periods where CO 2 variations are know…

Controls on Alkenone Carbon Isotope Fractionation in the Modern Ocean – Supporting Data Open

Samuel R. Phelps, P. J. Polissar, Heather Stoll, Clara T Bolton, Luc Beaufort · 2021

Here we present data from the article "Controls on Alkenone Carbon Isotope Fractionation in the Modern Ocean." This study explores carbon isotope fractionation in alkenone biomarkers (Ep37:2)––produced by Noelaerhabdaceae coccolithophores–…

IODP Expedition 353, Hole U1445A - Well Logging Data Open

Steven C. Clemens, Wolfgang Kuhnt, Leah J. LeVay, Pallavi Anand, Takuto Ando , et al. · 2021

Logging data are measurements of physical properties of the formation surrounding a borehole, acquired in situ after completion of coring (wireline logging) or during drilling (Logging-While-Drilling, LWD). The range of data (resistivity, …

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