Associate ProfessorAdriana Dutkiewicz

Project Opportunities

Title: Deep-sea sediments and paleoclimate

Summary of opportunity:

Deep-sea sediments record changes in climate, paleogeography, surface environments and biogeochemical cycles through geological time. In this project ocean drilling data will be used in combination with paleobathymetric maps, paleoclimate models and machine learning tools to reconstruct the accumulation rates of key components of deep-sea sediments, with a focus on deep-sea carbonates, organic carbon and the global carbon cycle.

Opportunity synopsis:

Deep-sea sediments record changes in climate, paleogeography, surface environments and biogeochemical cycles through geological time. In this project ocean drilling data will be used in combination with paleobathymetric maps, paleoclimate models and machine learning tools to reconstruct the accumulation rates of key components of deep-sea sediments, with a focus on deep-sea carbonates, organic carbon and the global carbon cycle.

The EarthByte Group is a leader in developing spatio-temporal data analysis tools. In this project a range of open-source tools including pyGPlates, pyBacktrack, and machine learning tools will be applied to understand how major changes in ocean basin configurations and paleoclimate are reflected in the history of deep sea sedimentation and carbon storage. This project is part of an ARC Future Fellowship and will involve the Sydney Informatics Hub, offering broad expertise in data science, python scripting and workflow development. This project is perfectly suited to Covid-19 and post-Covid-19 times because it relies on an enormous wealth of existing analytical data and it uses data analysis methods that can easily be applied in other fields, leading to broad employment opportunities.

----------Current Research Projects----------

The deep-sea carbon reservoir through geological time

Despite being by far the largest carbon reservoir on Earth, deep-sea carbonate and its recycling through the Earth system are the most significant missing links in our knowledge of the global carbon cycle. This project aims to track the evolution of the deep-sea carbon reservoir over the last 150 million years by using recently developed spatio-temporal computational and model-data synthesis tools. The project will provide the first rigorous quantification of the distribution and volume of carbon in deep-sea carbonate, and its fluxes between the Earth's surface and interior. It will advance our understanding of the history and rate of carbon dioxide storage and degassing over geological time, and inform public debate on climate change.