MISO - Real-time aerosol chemistry measurements (ToF-ACSM) from the RV Investigator voyage IN2024_V01

Updated: 2026-03-16

This dataset presents the composition of non-refractory aerosols, including nitrate, ammonium, sulfate, organics, chloride, and sea salt, measured using a Time-of-Flight Aerosol Chemical Speciation Monitor (ToF-ACSM) during the IN2024_V01 voyage. The voyage, titled "Multidisciplinary Investigations of the Southern Ocean (MISO): Linking Physics, Biogeochemistry, Plankton, Aerosols, Clouds, and Climate," was conducted in the Southern Ocean and focused on understanding the interactions between physical, biological, and chemical processes in this critical region. The voyage took place from 2 January to 5 March 2024 (AEST), departing Hobart and returning to Fremantle. The data captured by the ToF-ACSM provide high-resolution, real-time measurements of aerosol species, contributing to the broader understanding of aerosol composition and its role in climate dynamics, ocean-atmosphere interactions, and biogeochemical cycles in the Southern Ocean. This dataset serves as a valuable resource for advancing research on atmospheric chemistry, aerosol-cloud interactions, and their implications for climate modelling and environmental policy.