Upcoming Talks

Rachel Lupien

Image is of Rachel, standing with her back to a fjord. Rachel is a white woman who is wearing a bright red jacket and life jacket, with a black hoodie and gray cap to protect against the cold. She is standing next to a small row boat with her hands on her hips and smiling at the camera. 

Aarhus University, Denmark

September 27, 2022

Orbital forcing of African climate across time and space

The African environment has fluctuated throughout the Cenozoic, drastically altering the landscape where our early human ancestors lived, moved, and evolved. Climate oscillations may be a key to the evolutionary response to ecosystem change, and it is clear that cycles in the Earth’s orbit are a significant driver of these changes. However, due to the lack of long, highly-resolved, records of terrestrial paleoclimate, there are remaining questions pertaining to the dominant drivers of climate variability, how these cycles changed through shifts in global boundary conditions, and the differing responses to orbital cycles across the continent. Here, I present a compilation of orbitally-resolved leaf wax biomarker records from various lacustrine and marine archives to piece together the history of climate variability in Africa.

Tebogo Makhubela

University of Johannesburg, South Africa

October 4, 2022


Ronnakrit Rattanasriampaipong

Texas A&M University, USA

October 11, 2022


Enquye Negash

George Washington University, USA

October 18, 2022


Naima El bani Altuna

Arctic University of Norway, Norway

October 25, 2022


Bonnie Teece

University of New South Wales, Australia

November 01, 2022

@ 1600 UTC


Adriane Lam

Binghamton University SUNY, USA

November 08, 2022




November 15, 2022


Talia Lowi-Merri

University of Toronto, Canada

November 22, 2022


Natalia Villavicencio

Pontifical Catholic University of Chile

November 29, 2022


Margot Cramwinckel

Utrecht University, Netherlands

December 06, 2022


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