Repository: Quantitative Evaluation of the delta-Eddington, Hapke, and Shkuratov Models for Predicting the Albedo and Inferring the Grain Radius of Ice

This repository contains: 1. Measured Spectral Albedos from Dadic et al. (2013) a) dadic_ssa_3_8_full: Measured spectral albedo of firn with Specific Surface Area (SSA) 3.8 m^2/kgb) dadic_ssa_1_9_full: Measured spectral albedo of firn with SSA 1.9 m^2/kgc) dadic_ssa_0_39_full.csv: Measured spectral albedo of ice with SSA 0.39 m^2/kg 2. Modeled Spectral Albedos using Measured SSA from Khuller & Emran (2025) a) Firn with SSA 3.8 m^2/kg i) dE_860μm_diffuse_Icarus: delta-Eddington ii) data_860μm_poro27_diffuse_Icarus: Hapke and Shkuratov b) Firn with SSA 1.9 m^2/kg i) dE_1721μm_diffuse_Icarus: delta-Eddington ii) data_1721μm_poro15_diffuse_Icarus: Hapke and Shkuratov c) Ice with SSA 0.39 m^2/kg i) dE_8842μm_diffuse_Icarus: delta-Eddington ii) data_8842μm_poro5_diffuse_Icarus: Hapke and Shkuratov 3. Modeled Spectral Albedos using Inferred SSA from Khuller & Emran (2025) a) Firn with SSA 3.8 m^2/kg i) dE_860μm_diffuse_Est_Radius_Icarus: delta-Eddington ii) data_860μm_poro27_diffuse_Est_Radius_Icarus_RE_2: Hapke and Shkuratov b) Firn with SSA 1.9 m^2/kg i) dE_1721μm_diffuse_Est_Radius_Icarus: delta-Eddington ii) data_1721μm_poro15_diffuse_Est_Radius_Icarus_RE_2: Hapke and Shkuratov c) Ice with SSA 0.39 m^2/kg i) dE_8842μm_diffuse_Est_Radius_Icarus: delta-Eddington ii) data_8842μm_poro5_diffuse_Est_Radius_Icarus_RE_2: Hapke and Shkuratov 4. Modeled Single-Scattering Albedos from Khuller & Emran (2025) a) Firn with SSA 3.8 m^2/kg i) dE_860μm_diffuse_w_Icarus: delta-Eddington ii) ssa_data_860μm_poro27_diffuse_Icarus: Hapke and Shkuratov b) Firn with SSA 1.9 m^2/kg i) dE_1721μm_diffuse_w_Icarus: delta-Eddington ii) ssa_data_1721μm_poro15_diffuse_Icarus: Hapke and Shkuratov c) Ice with SSA 0.39 m^2/kg i) dE_8842μm_diffuse_w_Icarus: delta-Eddington ii) ssa_data_8842μm_poro5_diffuse_Icarus: Hapke and Shkuratov 5. Modeled Asymmetry Parameters from Khuller & Emran (2025) a) Firn with SSA 3.8 m^2/kg i) dE_860μm_diffuse_g_Icarus: delta-Eddington ii) data_860μm_poro27_diffuse_g_data_Icarus: Hapke and Shkuratov b) Firn with SSA 1.9 m^2/kg i) dE_1721μm_diffuse_g_Icarus: delta-Eddington ii) data_1721μm_poro15_diffuse_g_data_Icarus: Hapke and Shkuratov c) Ice with SSA 0.39 m^2/kg i) dE_8842μm_diffuse_g_Icarus: delta-Eddington ii) data_8842μm_poro5_diffuse_g_data_Icarus: Hapke and Shkuratov 6. Wavelengths used Wavelengths