Dumont d'Urville, Antarctica, hosts a ground-based Rayleigh-Mie lidar system measuring stratospheric temperature profiles above 30 km. The instrument, named LOANA, was developed through French-Italian collaboration and has been operational since 2006. It is part of a long-term monitoring program on human impacts on the Antarctic polar stratosphere initiated by France in 1989.
Use Cases
- Monitoring stratospheric temperature trends over Antarctica based on lidar profiles.
- Studying polar atmospheric dynamics and climate change impacts based on long-term temperature data.
- Validating satellite-derived temperature measurements based on ground-based lidar observations.
- Analyzing seasonal and interannual variability in Antarctic stratospheric temperatures based on operational monitoring since 2006.
Strengths
- Data originates from a unique and sole operational ozone lidar system on the Antarctic continent.
- Temperature measurements are operational since 2006, providing a multi-year record.
- Instrument uses multiple wavelengths (532 nm, 1064 nm) and detection modes (photo-counting, analog).
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Data may reflect geographic bias inherent to a single Antarctic station.
Provenance
- Source
- SCIOPS
- Collection Method
- Ground-based lidar observations.
- Time Range
- Operational temperature measurements since 2006.
- Geography
- Dumont d'Urville, Antarctica.