Data from 2009 characterizes the microstructure of ice cores from Siple Dome A between depths of 640 meters and 790 meters. The dataset likely contains pole figures and misorientation angle distributions for polycrystalline ice grains. It was provided by AMD_USAPDC and focuses on both a-axis and c-axis orientations.
Use Cases
- Model ice sheet rheology based on grain orientation data.
- Analyze impurity locations relative to microstructural features.
- Study strain gradients within polycrystalline ice.
- Compare c-axis and a-axis orientation distributions for hexagonal materials.
Strengths
- Focuses on five specific depths between 640 m and 790 m.
- Includes both a-axis and c-axis orientation data, which the description states is more complete than typical fabric descriptions.
Limitations
- Description metadata is limited; actual data quality requires manual inspection after download.
- Last updated 2009-06-15 23:59:59.999000; freshness should be verified.
- Column-level documentation is absent; field semantics must be inferred after download.
Provenance
- Source
- AMD_USAPDC
- Geography
- Siple Dome A