Real-Time Aerosol Chemistry Measurements from Southern Ocean Voyage
Updated 4mo ago
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Description
High-resolution, real-time measurements of non-refractory aerosol composition, including nitrate, ammonium, sulfate, organics, chloride, and sea salt, from the RV Investigator voyage IN2024_V01. The voyage, part of the Multidisciplinary Investigations of the Southern Ocean (MISO) project, was conducted from 2 January to 5 March 2024, focusing on ocean-atmosphere interactions in the Southern Ocean.
Use Cases
Analyze temporal trends in nitrate, ammonium, and sulfate concentrations to study aerosol chemistry dynamics in the Southern Ocean.
Investigate correlations between sea salt and organics aerosol species to understand marine aerosol sources and atmospheric processing.
Use high-resolution aerosol composition data to validate and improve regional climate models for the Southern Ocean.
Study the role of chloride aerosols in ocean-atmosphere interactions and biogeochemical cycles during the voyage period.
Strengths
High-resolution, real-time measurements captured by a Time-of-Flight Aerosol Chemical Speciation Monitor (ToF-ACSM).
Data collected during a dedicated 2-month multidisciplinary research voyage (2 Jan - 5 Mar 2024) in the Southern Ocean.
Measures multiple specific aerosol species: nitrate, ammonium, sulfate, organics, chloride, and sea salt.
Limitations
The dataset's row count, column structure, and sample data are unavailable, limiting initial assessment of its analytical scope.
Data is presented in HTML and PNG formats, which may not be immediately suitable for quantitative analysis without conversion.
The license is unspecified, which may create uncertainty for redistribution or commercial use.
Provenance
Source
CSIRO Marlin Data Catalogue
Collection Method
Measured using a Time-of-Flight Aerosol Chemical Speciation Monitor (ToF-ACSM) aboard the RV Investigator.
Time Range
2 January 2024 to 5 March 2024 (AEST)
Freshness
Last updated on 20 March 2026, indicating recent maintenance.
Geography
Southern Ocean, voyage from Hobart to Fremantle.
Primary data formats are HTML and PNG, which may require processing to extract structured, machine-readable data for analysis. License terms are not specified.