Earth's Transit Spectrum from ACE-FTS Solar Occultation Data

Earth's transit spectrum constructed from Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS) solar occultation data. The data originates from the Canadian-led SCISAT mission, primarily supported by the Canadian Space Agency. The underlying occultation data is available from the ACE Atlas website.

Use Cases

• Modeling exoplanet atmospheric signatures based on Earth's transit spectrum as a benchmark.
• Analyzing atmospheric chemistry and composition based on solar occultation data.
• Validating remote sensing algorithms for planetary science based on the ACE-FTS instrument data.

Strengths

• Data is derived from the ACE-FTS instrument, a dedicated satellite mission for atmospheric chemistry.
• The source occultation data is openly accessible from a mission-specific repository.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last update date is unknown; freshness unverified.

Provenance

Source

Atmospheric Chemistry Experiment (ACE/SCISAT) mission data, processed by Macdonald and Cowan (2019).

Collection Method

Constructed from ACE-FTS solar occultation data (Hughes et al. 2014).