I work at the interface between hydrology, biogeochemistry, and oceanography using a combination of natural radioactive tracers and automated carbon instrumentation. Much of my research is focused on understanding underground pathways for greenhouse gases, carbon and nitrogen. I am interested in applying our techniques to a number of problems and experimental sites. So far, our research has included subterranean estuaries, coral reefs, mangroves, estuaries, shallow hydrothermal vents, coastal lagoons, headwater streams, gas fields and wetlands on all continents but Africa. Much of my current work is focused on porewater exchange and carbon cycling in mangroves – this work involves experiments along a continental scale transect extending from Darwin to Melbourne and Indonesia.

 Contact: isaac.santos@scu.edu.au

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