Keynote or Key Invited Presentations

1. Lee, K., "Excess carbon export following the spring bloom in extratropical oceans: Implications of N₂-fixer-mediated carbon export", Surface Ocean - Lower Atmosphere Study (SOLAS) Open Science Conference, Xiamen, China (20070306-20070309)
2. Lee, K., "Changes in ocean carbon chemistry since pre-industrial times", Intergovernmental Panel on Climate Changes_Working group II/I Workshop on Impacts of Ocean Acidification on Marine Biology and Ecosystems, Okinawa, Japan (20110117-20110119)
3. Lee, K., "The anthropogenic impacts on ocean nutrients and carbon systems in the marginal seas of the Northwestern Pacific Ocean(s1-8809), North Pacific marine Science Organization 2012 (PICES), Hiroshima, Japan (20121012-20121021)
4. Lee, K., "Changing earth -Human perturbations in the Northwestern Pacific Ocea-impact of anthropogenic N on ocean , 6th international Surface Ocean - Lower Atmosphere Study (SOLAS)summer school, Xiamen, China (20130823-20130902)
5. Lee, K., "Anthropogenic ocean chemistry changes(carbon&nutrients), First Korean-American Kavil frontiers of science, California, USA (20130812-20130814)
6. Lee, K., “Rising anthropogenic nitrate levels in the North Pacific Ocean”, Monterey Bay Research Institute, California, USA (20171219)
7. Lee, K., “Biological production reduces the net impacts of coastal acidification in the northwestern Pacific Ocean”, SOLAS Open Science Conference, Sapporo, Japan (20190421-20190425)
8. Lee, K., “Impacts of Anthropogenic Nitrogen on Ocean Nitrogen System in the Yellow and East China Seas”, AGU Fall Meeting, San Francisco, USA (20191209-20191213)
9. Lee, K., “Carbon uptake and storage by marine forest”, The Korean Society of Phycology, Jeju, Republic of Korea (20221020-20221021)