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 (30 wt.% Nacl - e). Before irradiation. Spectrum VIS reflectance spectrum of compact slabs of salty ice (30 wt.% Nacl - e). After irradiation at 1 keV and 3 µA. Spectrum VIS reflectance spectrum of compact slabs of salty ice (30 wt.% Nacl - e). After irradiation at 5 keV and 3 µA.

Spectrum VIS reflectance spectrum of compact slabs of salty ice (30 wt.% Nacl - f). Before irradiation. Spectrum VIS reflectance spectrum of compact slabs of salty ice (30 wt.% Nacl - f). After irradiation at 1 keV and 1 µA. Spectrum VIS reflectance spectrum of compact slabs of salty ice (30 wt.% Nacl - f). After irradiation at 5 keV and 1 µA.