Invasive Species Mapping in Hawaiian Rainforests Using Multi-Temporal Hyperion Spaceborne Imaging Spectroscopy

Multi-temporal spectral analysis of Hyperion satellite data significantly enhances the detection accuracy of invasive tree species in Hawaii Volcanoes National Park's montane rainforests, with Kappa coefficients reaching 0.80 when integrating spectral features from September, August, and January. This improvement stems from capturing species-specific phenological variations, reducing spectral overlap among species. The study demonstrates that combining data across different growing seasons provides a more robust method for invasive species mapping compared to single-timepoint analyses, which showed lower detection success (Kappa: 0.51–0.69).

Somers, B., & Asner, G. P. (2013). Invasive Species Mapping in Hawaiian Rainforests Using Multi-Temporal Hyperion Spaceborne Imaging Spectroscopy. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 6(2), 351–359. https://doi.org/10.1109/jstars.2012.2203796