Macquarie Island peat bog cores provide a high-temporal resolution record of cosmic dust influx variability during the Holocene. The dataset, created by the Australian Antarctic Data Centre (AU_AADC), contains carbon dating measurements from geochemical peat cores. It was last updated in April 2010.
Use Cases
- Correlating cosmic dust influx records with iron solubility data to model fertilization effects on Southern Ocean primary production.
- Analyzing carbon dating sequences from peat cores to establish a high-resolution Holocene timeline of dust deposition events.
- Investigating the mineralogy of deposited dust to differentiate cosmic from terrestrial sources and their respective bio-available iron contributions.
- Using the quantified dust deposition variability to assess its potential role in atmospheric CO2 changes over the Holocene period.
Strengths
- Data provides a high-temporal resolution record for the entire Holocene epoch.
- Focus on a specific geographic location (Green Gorge, Macquarie Island) allows for detailed site analysis.
Limitations
- Dataset size and specific row count are unknown.
- Data is temporally stale, with no updates since 2010.
- Geographic scope is limited to a single island site in the Southern Ocean.
Provenance
- Source
- Australian Antarctic Data Centre (AU_AADC), project ASAC 3132.
- Collection Method
- Geochemical analysis of carbon dating from peat bog cores collected at Green Gorge, Macquarie Island.
- Time Range
- Holocene epoch.
- Freshness
- null
- Geography
- Green Gorge, Macquarie Island, Southern Ocean.