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Self-funded MRes opportunity

Fluctuations in the North Atlantic Ocean circulation from the last glaciation to modern day

Subject: Geography, Environmental Studies and Archaeology


Knowledge of past deep-ocean current speeds has the potential to inform our understanding of changes in the climate system on glacial-interglacial timescales as these may be used to help constrain changes in deep-ocean circulation rates and pathway. The Rockall Trough, a deep water basin offshore Ireland and UK, is known to be the pathway for the exchange of water masses in the North Atlantic (New & Smythe-Wright, 2001), but limited data exists to date on the changes in ocean circulation over time in this part of the Atlantic Ocean. Previous works on deep-water sedimentation in the region have recognised the presence of thick sediment bodies related to the flow of deep-ocean currents, including the Feni Drift and contouritic deposits on the eastern side of the Rockall Trough (Stoker, 1998).

Proxies obtained from deep-water sediment cores, such as the mean size and percentage of sortable silt, can be used to assess the variations in the speed of bottom currents (Mao et al., 2018; Spooner et al., 2018).

This project will utilise a series of sediment cores from the continental slope and deep Rockall Trough, for which a chronostratigraphy is already established, to investigate fluctuations in current vigour using grain size measurements with a focus on the sortable silt fraction.

The project is suitable for a self-motivated applicant with Earth Science, Geology, Geography, Environmental Science or Marine Science background, with capacity to learn new analytical techniques and basic statistical analysis.


Mao L., Piper D.J.W., Saint-Ange F., & Andrews J.T. (2018). Labrador Current fluctuation during the last glacial cycle. Marine Geology, 395: 234-246.

New A.L. & Smythe-Wright D. (2001). Aspects of the circulation in the Rockall Trough. Continental Shelf Research 21: 777–810

Spooner P. T., Thornalle, D. J. R., & Ellis, P. (2018). Grain size constraints on glacial circulation in the Southwest Atlantic. Paleoceanography and Paleoclimatology, 33,21–30. https://doi. org/10.1002/2017PA003232

Stoker M.S. (1998). Sediment-drift development on the continental margin off NW Britain. Geological Society, London, Special Publications 1998; v. 129; p. 229-254 doi:10.1144/GSL.SP.1998.129.01.15

Essential criteria

  • Upper Second Class Honours (2:1) Degree or equivalent from a UK institution (or overseas award deemed to be equivalent via UK NARIC)

Desirable Criteria

If the University receives a large number of applicants for the project, the following desirable criteria may be applied to shortlist applicants for interview.

  • First Class Honours (1st) Degree
  • Practice-based research experience and/or dissemination
  • Experience using research methods or other approaches relevant to the subject domain
  • Work experience relevant to the proposed project
  • Experience of presentation of research findings


This is a self-funded MRes opportunity.

Other information

The Doctoral College at Ulster University


Completing the MRes provided me with a lot of different skills, particularly in research methods and lab skills.

Michelle Clements Clements - MRes - Life and Health Sciences

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I would highly recommend Ulster University as you get so much support.  Coleraine is a beautiful town and the people are so friendly. It was a really positive experience.

Carin Cornwall - PhD Environmental Sciences

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Key dates

Submission deadline
Saturday 29 June 2019


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Coleraine campus

Coleraine campus
Our coastal and riverside campus focussing on science and health

Contact supervisor

Dr Sara Benetti

Other supervisors

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