Foto de Stock Submerged radiance, an underwater perspective showcases (a) Spectral functions of atmospheric irradiance at the sea surface Solar radiation in a) DI water, b) seawater, c) normal water, and d Why the water is blue? Figure 1 from Data processing and interpretation of sea radiance factor 4.5. Ocean colour and remote sensing A Hands On Introduction to Using. Crystal Radiance, Fabric: Hologram Turquoise, Crystal 1: Aqua AB, Crystal 2: Blue Zircon, Crystal 3: Emerald AB.