- Development and application of in situ lander technology for studying microbial ecology and biogeochemistry.
- Benthic biogeochemistry and solute exchange, carbon mineralization, photosynthesis, bioturbation, bioirrigtaion.
- Development and application of microsensors and imaging techniques in microbial ecology and biogeochemistry.
- Polar biology, climate changes, local–regional and global element cycling.
- Sea-ice microbiology.
A complete list of publications by Ronnie N. Glud can be found here.