Sea ice strongly scatters light and reflects much of it, while allowing only a small amount to penetrate. Yet, this limited amount of light still contains almost the full range of visible wavelengths.

More information: Monika Soja-Woźniak et al, Loss of sea ice alters light spectra for aquatic photosynthesis, Nature Communications (2025). DOI: 10.1038/s41467-025-59386-x ...