معرفی
Alex Piotrowski is a Professor in the Department of Earth Sciences within the School of the Physical Sciences at the University of Cambridge. He serves as a supervisor for the Cambridge NERC Doctoral Landscape Awards (Training Partnerships), specializing in paleoceanographic reconstructions using geochemical proxies. His research group employs radiogenic isotopes to investigate historical ocean circulation patterns and their climate implications.
Dr. Piotrowski's research centers on reconstructing past ocean circulation dynamics, particularly focusing on deep water mass sources and their connections to climate systems. His work utilizes neodymium isotopes and other geochemical tools across globally distributed marine sediments, with significant projects in the Arctic Ocean, Nordic Seas, Southern Ocean, and Atlantic regions. Key methodologies include analyzing sediment cores from the North Atlantic, Brazil Margin, and Indo-Pacific to understand water mass geometries, nutrient cycling, and glacial-interglacial transitions.
His publication record demonstrates consistent focus on neodymium isotope applications, with recurring themes in deep water formation processes, boundary exchange dynamics, and paleocirculation reconstructions. Recent work emphasizes millennial-scale climate variability, Arctic-Antarctic connections, and the role of ocean circulation in carbon cycle changes during glacial periods.
Dr. Piotrowski actively supervises PhD students, with recent graduates including Larkin (2022) and Wang (2022), who investigated Nordic Seas circulation and Antarctic sediment geochemistry respectively. His collaborative network spans international institutions including the British Antarctic Survey (BAS), University of Tromsø, and DAMTP at Cambridge, particularly through projects examining ice sheet dynamics and ocean mixing processes.
His research group maintains strong partnerships with polar research institutions, notably BAS, where he collaborates with scientists like Kate Hendry and Michael Meredith on Arctic neodymium cycling. Current projects include reconstructing glacial-interglacial ice sheet dynamics using sediment transport analysis and investigating physical mixing processes in the deep ocean through collaborations with fluid dynamics specialists.
