Evaluating the Additionality of Dissolved and Mineral-Based Alkalinity Enhancement in Coastal Sediments: Insights from a Flux Chamber Study

Nadine Lehmann1, Damon Britton1, Marianne Pelletier1, Bradley Eyre2, Tyler Rohr1, Max Rintoul1, Ashley T Townsend3 and Lennart Thomas Bach1, (1)Institute for Marine and Antarctic Studies, Hobart, TAS, Australia, (2)Southern Cross University, Centre for Coastal Biogeochemistry, Lismore, NSW, Australia, (3)University of Tasmania, Central Science Laboratory, Hobart, TAS, Australia