55Fe and 14C radiotracer field measurements quantify uptake rates by sea-ice algae and under-ice phytoplankton in the Antarctic. The dataset includes measurements from under-ice seawater, melted snow, and sea-ice cores, with radioactivity measured via liquid scintillation counter. It was published by the Australian Ocean Data Network and last updated in June 2026.
Use Cases
- Modeling iron limitation in polar phytoplankton communities based on measured Fe uptake rates.
- Comparing carbon assimilation efficiency between sea-ice algae and open ocean phytoplankton based on 14C uptake data.
- Studying nutrient dynamics at the sea-ice interface using samples from ice cores, under-ice water, and melted snow.
Strengths
- Includes field measurements from three distinct sample types: under-ice seawater, melted snow, and sea-ice cores.
- Uses dual radiotracer methodology (55Fe and 14C) for concurrent uptake rate analysis.
- Last updated 2026-06-04 11:01:31.883541, indicating recent metadata maintenance.
Limitations
- Row count and dataset scale are unknown, which may limit suitability assessment.
- Column-level documentation is absent; field semantics must be inferred after download.
- Description metadata is limited; actual data quality requires manual inspection after download.
Provenance
- Source
- Australian Ocean Data Network
- Collection Method
- Field measurements from Antarctic sea ice using 55Fe and 14C radiotracer incubations, with samples filtered and analyzed by liquid scintillation counter.
- Freshness
- Last updated 2026-06-04 11:01:31.883541; freshness should be verified.
- Geography
- Antarctic sea ice