Antarctic Gravity Measurements at Casey and Law Dome, 1978

Gravity measurements were recorded several times daily at Casey station from 14 February to 3 March 1978, with additional measurements taken on Law Dome during the traverse season. The data is contained in a logbook archived by the Australian Antarctic Division. This dataset captures a specific period of geophysical observation in Antarctica.

Use Cases

• Analyze temporal variation in gravity readings from the Casey station logbook to study tidal or atmospheric effects.
• Compare gravity measurements between the fixed Casey station and the traverse route on Law Dome to assess local geological differences.
• Model short-term gravity field stability in Antarctica using the high-frequency, multi-daily measurement records.
• Correlate historical gravity data from 1978 with modern satellite gravimetry datasets to study long-term changes.

Strengths

• Measurements were taken several times a day, providing high temporal resolution for the recorded period.
• Covers two distinct Antarctic locations: a fixed station (Casey) and a traverse route (Law Dome).

Limitations

• The dataset is from a single year (1978), limiting analysis of long-term trends.
• The exact number of measurements, rows, and data format is unknown, complicating direct analysis.
• Data is from a physical logbook, implying potential for manual entry errors and requiring digitization.

Provenance

Source

Australian Antarctic Division (AU_AADC) records store.

Collection Method

Manual gravity measurements recorded in a logbook.

Time Range

14 February 1978 to 3 March 1978 for Casey; 1978 traverse season for Law Dome.

Freshness

null

Geography

Casey station and Law Dome, Antarctica.