Spectrum VIS reflectance spectrum of compact slabs of salty ice (10 wt.% Nacl - a). Before irradiation. Spectrum VIS reflectance spectrum of compact slabs of salty ice (10 wt.% Nacl - a). After irradiation at 1 keV and 3 µA. Spectrum VIS reflectance spectrum of compact slabs of salty ice (10 wt.% Nacl - a). After irradiation at 5 keV and 3 µA.

Spectrum VIS reflectance spectrum of compact slabs of salty ice (10 wt.% Nacl - b). Before irradiation. Spectrum VIS reflectance spectrum of compact slabs of salty ice (10 wt.% Nacl - b). After irradiation at 1 keV and 1 µA. Spectrum VIS reflectance spectrum of compact slabs of salty ice (10 wt.% Nacl - b). After irradiation at 5 keV and 1 µA.

Spectrum VIS reflectance spectrum of compact slabs of salty ice (20 wt.% Nacl - c). Before irradiation. Spectrum VIS reflectance spectrum of compact slabs of salty ice (20 wt.% Nacl - c). After irradiation at 1 keV and 3 µA. Spectrum VIS reflectance spectrum of compact slabs of salty ice (20 wt.% Nacl - c). After irradiation at 5 keV and 3 µA.

Spectrum VIS reflectance spectrum of compact slabs of salty ice (20 wt.% Nacl - d). Before irradiation. Spectrum VIS reflectance spectrum of compact slabs of salty ice (20 wt.% Nacl - d). After irradiation at 1 keV and 1 µA. Spectrum VIS reflectance spectrum of compact slabs of salty ice (20 wt.% Nacl - d). After irradiation at 5 keV and 1 µA.