Atmospheric analysis grounded in evidence
Sigma Theta provides high-resolution environmental assessment using deterministic satellite methods, physics-based modelling and transparent data workflows. Based in Western Australia and working across the Himawari-8/9 domain, we support government, industry and research groups with clear, defensible analysis of smoke, dust, aerosols and pollutant behaviour.
ΔFusion Method
ΔFusion Method
ΔFusion combines radiance, temperature and motion fields to reconstruct fine-scale atmospheric structure at resolutions higher than conventional products. This improves detection of rapid-change plumes and informs interpretation of dispersion in complex conditions.
What Sigma Theta offers
• Atmospheric and environmental science
• Satellite-based air-quality reconstruction
• ΔFusion radiance, temperature and motion integration
• Smoke, dust and rapid-change plume analysis
• Independent scientific review
• Dispersion modelling interpretation supported by satellite evidence
• Statistical analysis, model validation and uncertainty assessment
• Technical data work including image-to-data conversion, lidar extraction and geospatial processing
What sets us apart
Conventional consulting focuses on model outputs and regulatory templates. Sigma Theta integrates Himawari-8/9 observations with deterministic methods to resolve events that models struggle with. This includes smoke surges, inversion-driven trapping, dust uplift, short-lived spikes and fine-scale transport patterns that are not captured by hourly products alone.
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