Personal profile


Dr Ersek is a palaeoclimatologist and geochemist who studies past climate changes and human-environment interactions. His research spans cave and karst science, atmospheric processes, paleoclimatology, palaeoceanography, and peat geochemistry. By applying geochemical methods to cave formations, water, and peat deposits, Dr Ersek aims to unravel the mysteries of past climate and environmental changes, providing insights for understanding our current and future climate.

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Past Education and Employment

Postdoctoral researcher, Oxford University

PhD, Oregon State University, USA

MSc, Mississippi State University, USA

BSc, Babes-Bolyai University, Romania


Research in the media

Science Daily: New research brings greater understanding of Asian winter monsoon

Key question around limestone carbon capture to be answered by partnership project

Science Mag: Ancient megadrought may explain civilization’s ‘missing millennia’ in Southeast Asia

Daily Mail: Sahara turned from lush green grassland to a barren wasteland just 4,000 years ago and triggered a megadrought that crippled Southeast Asia for 1,000 years

World Economic Forum: How climate change caused the world’s first ever empire to collapse

EOS: The Akkadian Empire—Felled by Dust?

Newsweek: Ancient Curse of Akkad: World's First Empire Collapsed Because of Climate Change

Forbes: Climate Change May Have Contributed To The Extinction Of Neanderthals And Rise Of Modern Humans

Smithsonian Magazine: Climate Change Likely Iced Neanderthals Out Of Existence

Newsweek: Neanderthals: Climate Change May Have Killed Off Our Closest Human Relatives

CTV News: Cold, dry climate shifts linked to Neanderthal disappearance

Science Daily: Earliest European evidence of lead pollution uncovered in the Balkans Earliest ever evidence of lead pollution found in the Balkans – from 3600 BC

Independent: Climate change: Nearly 700 'natural thermometers' demonstrate the world is warmer than its ever been 1,800 years of global ocean cooling halted by global warming

OPB: Oregon Caves Weather The Passage Of Time

Fox News: Oregon stalagmite tells 13,000-year-long story

Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 13 - Climate Action

Education/Academic qualification

Geology, BSc (Hons), Babes-Bolyai University

Geology, MSc, Mississippi State University

Geology, PhD, Oregon State University

Research Group keywords

  • Environmental Monitoring and Reconstruction


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Collaborations and top research areas from the last five years

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