254 samples of sea ice and snow drift were collected during the ADBEX III Antarctic voyage. The Australian Antarctic Division analyzed these samples for oxygen isotope levels and archived the results in logbooks. The data originates from the 1985 ADBEX III expedition.
Use Cases
- Analyzing the relationship between oxygen isotope levels and sample collection date to study seasonal processes.
- Mapping oxygen isotope values against sample location to identify spatial gradients in sea ice composition.
- Correlating isotopic signatures from sea ice samples with those from overlying snow drift samples.
- Using the recorded date and location metadata to reconstruct the sampling context and voyage track for historical analysis.
Strengths
- Contains data from 254 physical samples, providing a substantial sample set.
- Includes key metadata fields for date and location of each collected sample.
Limitations
- The dataset is temporally stale, with the last update recorded in December 1985.
- Specific column names, data types, and file formats are unknown, complicating initial analysis.
- The sample size of 254, while substantial, is limited to a single expedition's coverage.
Provenance
- Source
- Australian Antarctic Division (AU_AADC), archived from expedition logbooks.
- Collection Method
- Physical collection and laboratory analysis of sea ice and snow drift samples for oxygen isotopes.
- Time Range
- 1985 (ADBEX III voyage period).
- Freshness
- null
- Geography
- Antarctic region (specific locations noted in sample logs).