Shallow (<100 m) ice cores from Victoria Land, East Antarctica, collected along a traverse from Taylor Dome to the South Pole. The project, supported by AMD_USAPDC and last updated in 2009, aims to extend the Antarctic climate record using stable isotopes of water (18-O/16-O and D/H ratios) as temperature proxies. Age-depth relationships are determined through stable isotopes, visual stratigraphy, and seasonal chemical signatures.
Use Cases
- Reconstructing Antarctic temperature trends over the last ~150 years based on stable isotope profiles.
- Calibrating ice core proxy data against the short instrumental climate record mentioned in the description.
- Incorporating East Antarctic climate reconstructions into the global paleoclimate network referenced in the description.
- Training models for age-depth relationships using stable isotopes, visual stratigraphy, and chemical signatures.
Strengths
- Data focuses on shallow (<100 m) ice cores, which are specified for analysis.
- Stable isotope proxies (18-O/16-O and D/H ratios) are described as well-established for temperature reconstruction.
- Project aims to improve a prior reconstruction suggesting a warming rate of ~0.2 K/century.
- Cores are collected along a defined traverse route from Taylor Dome to the South Pole.
Limitations
- Last updated 2009-08-31 23:59:59.999000; freshness should be verified.
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count and file size are unknown, which may limit suitability assessment.
Provenance
- Source
- nasa_earthdata
- Collection Method
- Ice cores obtained and analyzed as part of the US ITASE (International TransAntarctic Scientific Expedition) program.
- Freshness
- 2009-08-31 23:59:59.999000
- Geography
- Victoria Land, East Antarctica; traverse route from Taylor Dome to the South Pole.