Imaging Riometer Data from the 17th Chinese National Antarctic Research Expedition

2000-2001 data from an Imaging Riometer deployed during the 17th Chinese National Antarctic Research Expedition (CHINARE). The instrument measures cosmic noise absorption in the ionosphere's D-region using an 8x8 antenna array, providing spatial monitoring over a 300x300 km area. Data was recorded on MO disks and shared between the Polar Research Institute of China and Japan's National Institute of Polar Research.

Use Cases

• Analyze temporal patterns of cosmic noise absorption from the 8x8 antenna grid to study ionospheric disturbances.
• Correlate absorption measurements with other space weather events to identify causative factors for D-region changes.
• Map the spatial structure of absorption events over the 300x300 km monitored area using antenna array data.
• Study seasonal or diurnal variations in polar ionospheric absorption during the 2000-2001 Antarctic season.

Strengths

• Data provides spatial monitoring over a 300x300 km area via an 8x8 antenna array.
• Recorded during a dedicated national Antarctic research expedition, ensuring focused scientific collection.

Limitations

• Dataset is from a single expedition year (2000-2001), limiting long-term trend analysis.
• Specific row count, column details, and file formats are unknown, complicating technical assessment.

Provenance

Source

Polar Research Institute of China and National Institute of Polar Research, Japan, via NASA Earthdata.

Collection Method

Measured by an Imaging Riometer instrument with an 8x8 antenna array during the 17th CHINARE expedition.

Time Range

2000-2001

Freshness

null

Geography

Antarctic region (specific location within the 300x300 km monitoring area not detailed).