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The University of Southampton
Ocean and Earth Science, National Oceanography Centre SouthamptonPostgraduate study

Mr Hashan Niroshana Kokuhennadige BSc (Hons), MSc

Postgraduate research student

Mr Hashan Niroshana Kokuhennadige's photo

Mr Hashan Kokuhennadige is a postgraduate research student within Ocean and Earth Science, National Oceanography Centre Southampton at the University of Southampton.

Academic Background

2013 – 2015: MSc in Marine and Lacustrine Science and Management (Great Distinction), Vrije Universiteit Brussels, Belgium
Master Thesis: Dissolved barium in the Northeast Atlantic Ocean and its potential as a tracer to track the Mediterranean Outflow Water.
Supervised by Prof. Dr. Frank Dehairs (VUB, Belgium), Prof. Dr. Martine Leermakers (VUB, Belgium) and Dr. Stephanie Jacquet (MIO, France)

2006 – 2011: BSc (Honours) in Fisheries and Marine Sciences (First Class), University of Ruhuna, Sri Lanka

Employment History

2016 – present: Lecturer, Department of Oceanography and Marine Geology, University of Ruhuna, Sri Lanka

2015 – 2016: Temporary Lecturer, Department of Oceanography and Marine Geology, University of Ruhuna, Sri Lanka

2011 – 2013: Temporary Lecturer, Department of Oceanography and Marine Geology, University of Ruhuna, Sri Lanka

Professional Background

2018: Training Workshop on Metal Speciation and Isotopes in the Ocean for GEOTRACES and Beyond, at the State Key Laboratory of Marine Environmental Science, Xiamen University, China.

2017: As a scientist, onboard the Royal Research Ship Discovery and participated in the 27th Atlantic Meridional Transect (AMT) research cruise. Conducted experiments on carbon and nitrogen fixation to study the activities in the upper layers of the Atlantic Ocean.

2014: As a trainee scientist, onboard the RV Belgica and participated in the Belgica campaign in the Belgian part of the North Sea.

Research interests

  • Ocean carbonate system
  • Ocean acidification
  • Nutrient dynamics in marine waters, estuaries and lagoon
  • Marine Pollution

Research project: Carbon isotopes along GEOTRACES sections: anthropogenic and biological signals

My current research focuses to understand the oceanic carbon fluxes and processes along GEOTRACES sections in the South Indian Ocean and the Southwest Atlantic Ocean by using an isotopic approach. This research also includes identifying isotopic signatures of each carbon compartment and determining the effects of oceanic anthropogenic CO2 uptake, primary productivity and carbon export.


Dr Doug Connelly
Dr Jessica Whiteside
Prof Eric Achterberg

Research group

Marine Biogeochemistry

Mr Hashan Niroshana Kokuhennadige
Ocean and Earth Science
National Oceanography Centre Southampton
University of Southampton Waterfront Campus
European Way
Southampton SO14 3ZH

Room Number: NOCS/674/01

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