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Dr Thomas Ryan-Keogh’s main research focus is on understanding variable chlorophyll fluorescence under nutrient limitation and applying this to biogeochemical cycling of the oceans. During his PhD he participated on a number of multi-disciplinary research cruises to the high latitude North Atlantic and the Ross Sea. Dr Ryan-Keogh obtained his PhD in oceanography at the National Oceanography Centre, Southampton/University of Southampton.

As part of his postdoc at SOCCO within CSIR his research will focus on understanding the seasonal cycle of phytoplankton physiology across the sub-Antarctic zone, developing an iron stress index for application to remote sensing data alongside reconciling the potential for energetically decoupled chlorophyll pigments within the total community pool.

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