Neutron monitor data was collected aboard the ship Italica during its Antarctic voyage to record cosmic ray intensities across a full range of geomagnetic cut-off rigidities. The survey was conducted by the Italian Antarctic Programme's SCIOPS organization to establish an accurate latitude curve during solar minimum. Measurements were taken during the 1996-97 austral summer, with the dataset finalized in March 1997.
Use Cases
- Modeling the cosmic ray latitude curve from neutron intensity measurements across different geomagnetic cut-off rigidities.
- Analyzing temporal variations in cosmic ray intensity, including north-south asymmetry and east-west effects, during solar minimum.
- Correcting neutron monitor data for environmental factors like atmospheric mass column changes, ship oscillations, and temperature variations.
- Validating coupling functions for cosmic ray nucleonic intensity specific to the solar minimum phase of the solar cycle.
Strengths
- Data collection occurred during a defined solar minimum period, providing a clean baseline for solar cycle studies.
- Survey design achieved full coverage of cut-off rigidities with repeated measurements at the same locations for verification.
- Methodology applied multiple first-time corrections for atmospheric, oceanic, and temporal effects to improve accuracy.
Limitations
- The dataset is temporally limited to a single austral summer (1996-97), restricting long-term trend analysis.
- Geographic coverage is confined to the specific sea route between Italy and Antarctica, not a global survey.
- Specific data volume (rows), file formats, and column schema are not provided in the description.
Provenance
- Source
- Italian Antarctic Programme (SCIOPS), likely via NASA Earthdata.
- Collection Method
- Neutron monitor instrumentation operated aboard the ship Italica during its voyage.
- Time Range
- 1996-1997 austral summer.
- Freshness
- null
- Geography
- Sea route from Italy to Antarctica and back.