The Australian Antarctic Geodetic Network provides geodetic positions for permanent survey marks on stable rock in Antarctica. Positions are computed from conventional survey observations and high-precision GPS measurements, adjusted to the International Terrestrial Reference Frame. This work is part of ASAC project 1159 and is managed by the Australian Antarctic Data Centre.
Use Cases
- Validate and integrate survey data based on coordinates referenced to the International Terrestrial Reference Frame.
- Monitor the status and location of physical survey marks based on mark type and status information.
- Establish precise reference points for mapping or construction projects based on station coordinates and accuracy.
- Connect tide gauge measurements to GPS reference frames based on optical levelling connections mentioned.
Strengths
- Data integrates both conventional survey observations and high-precision GPS measurements.
- Coordinates are adjusted to a global coordinate system (ITRF) compatible with WGS84.
- Includes detailed site information such as mark type, status, and allied photographs or sketches.
Limitations
- Row count and dataset size are unknown, which may limit suitability assessment.
- Column-level documentation is absent; field semantics must be inferred after download.
- Last update date is unknown; freshness unverified.
Provenance
- Source
- AU_AADC (Australian Antarctic Data Centre)
- Collection Method
- Computed from network of geodetic survey observations and GPS measurements.
- Geography
- Antarctica