DOI: 10.7910/dvn/smjdhj
title: Replication Data for: On the Possibility of Melting Water Ice during the Recent Past of Mars. Application to the Formation of Gullies

description: On the Possibility of Melting Water Ice during the Recent Past of Mars. Application to the Formation of Gullies
L.Lange, F.Forget

Laboratoire de Météorologie Dynamique
Copyright 2025. All rights reserved.

Corresponding author: Lucas Lange
Laboratoire de Météorologie Dynamique
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mailto: lucas.lange@lmd.ipsl.fr


Replication data for associated with the paper "On the Possibility of Melting Water Ice during the Recent Past of Mars. Application to the Formation of Gullies".

- Data_Figure1_vap1D.txt is a 1333 x 3 comma separated table of floats in ascii format containing the water vapor mass mixing ratio of the water vapor in the first layer (~5 m) of the 1D model for a water vapor content of 15 pr-μm (2nd column) and 25 pr-μm (3rd column). Time (in sol) is given in the 1st column. This file was used for the generation of Figure 1a.

- Data_Figure1_vapGCM.txt is a 2676 x 2 comma separated table of floats in ascii format containing the water vapor mass mixing ratio (2nd column) of the water vapor in the first layer (~5 m) of the 3D model t a latitude of 56.25°N (longitudinally averaged) for present-day Mars. Time (in sol) is given in the 1st column. This file was used for the generation of Figure 1a.

- Data_Figure1_frost1D.txt is a 1333 x 5 comma separated table of floats in ascii format containing the mass of water frost (in kg.m^-2) modeled by the 1D model. 2nd column is for m = 25 pr-μm, tau = 1 sol; 3rd column is for m = 15 pr-μm, tau = 1 sol; 4th column is for m = 25 pr-μm, tau = 1/2 sol; 5th column is for m = 15 pr-μm, tau = 1/2 sol. Time (in sol) is given in the 1st column. This file was used for the generation of Figure 1b.

- Data_Figure1_frostGCM.txt is a 2676 x 2 comma separated table of floats in ascii format containing the mass of water frost (in kg.m^-2, 2nd column) modeled by the 3D model at a latitude of 56.25°N (longitudinally averaged) for present-day Mars. Time (in sol) is given in the 1st column. This file was used for the generation of Figure 1b.

- Data_Figure_2_ModeledvsMeasuredGlacier is a 1491 x 2 comma separated table of floats in ascii format containing the measured latent heat flux (in W m^-2, 1st column, absolute value given), and modeled latent heat flux (in W m^-2, 2nd column, absolute value given) made in an ice glacier in Purcell Mountains (Fitzpatrick et al., 2017). This file was used for the generation of Figure 2a.

- Data_Figure_2_ModeledvsMeasuredNOARE.txt is a 24307 x 2 comma separated table of floats in ascii format containing the measured latent heat flux (in W m^-2, 1st column, absolute value given), and modeled latent heat flux (in W m^-2, 2nd column, absolute value given) made on oceanic surfaces (Fairall et al., 1996; 2003). This file was used for the generation of Figure 2b.

- Data_Figure_2_ModeledvsMeasuredAntartica.txt is a 1255 x 2 comma separated table of floats in ascii format containing the measured sublimation rate (in mm/day, 1st column), and modeled sublimation rate (in mm/day, 2nd column) made in an ice-covered lake in the Dry Valleys of Antarctica (Clow et al., 1988). This file was used for the generation of Figure 2c.

- Data_Figure3_latitude.txt is a 49 x 1 comma separated table of floats in ascii format containing the latitude used to generate the filled-contour plot in Figures 3a, 3c.

- Data_Figure3_longitude.txt is a 65 x 1 comma separated table of floats in ascii format containing the longitude used to generate the filled-contour plot in Figures 3a, 3c.

- Data_Figure3_frost_map_obl35_Lsp90.txt is a 49 x 65 comma separated table of floats in ascii format containing the maximum seasonal water frost thicknesses (in millimeters) when the obliquity is set to 35°, Lsp = 90°. This file was used for the generation of Figure 3a.

- Data_Figure3_Tmax_frost_obl35_Lsp90.txt is a 7485 x 1 comma separated table of floats in ascii format containing the daily-maximum surface temperature (in Kelvin) when water frost is present at the surface, over the whole martian year. The obliquity is set to 35°, Lsp = 90°. This file was used for the generation of Figure 3b.

- Data_Figure3_frost_map_obl35_Lsp270 is a 49 x 65 comma separated table of floats in ascii format containing the maximum seasonal water frost thicknesses (in millimeters) when the obliquity is set to 35°, Lsp = 270°. This file was used for the generation of Figure 3c.

- Data_Figure3_Tmax_frost_obl35_Lsp270.txt is a 7485 x 1 comma separated table of floats in ascii format containing the daily-maximum surface temperature (in Kelvin) when water frost is present at the surface, over the whole martian year. The obliquity is set to 35°, Lsp = 270°. This file was used for the generation of Figure 3d.

- Data_Figure4_latitude.txt is a 39 x 1 comma separated table of floats in ascii format containing the latitude used to generate the filled-contour plot in Figures 4a, 4c, 4e.

- Data_Figure4_longitude.txt is a 39 x 1 comma separated table of floats in ascii format containing the longitude used to generate the filled-contour plot in Figures 4a, 4c, 4e.

- Data_Figure4_ssidepth_currentorb.txt is a 39 x 65 comma separated table of floats in ascii format containing the equilibrium depth of subsurface water ice for present-day Mars. This file was used for the generation of Figure 4a.

- Data_Figure4_ssidepth_Obl35_Lsp90.txt is a 39 x 65 comma separated table of floats in ascii format containing the equilibrium depth (in meter) of subsurface water ice beneath 30° pole-facing slopes for the simulation with an obliquity of 35°, Lsp = 90°. A depth of -1 means that ice is not stable at this location. This file was used for the generation of Figure 4c.

- Data_Figure4_ssidepth_Obl35_Lsp270.txt is a 39 x 65 comma separated table of floats in ascii format containing the equilibrium depth (in meter) of subsurface water ice beneath 30° pole-facing slopes for the simulation with an obliquity of 35°, Lsp = 270°. A depth of -1 means that ice is not stable at this location. This file was used for the generation of Figure 4e.

- Data_Figure4_Tempssidepth_currentorb.txt is a 2044 x 1 comma separated table of floats in ascii format containing the yearly maximum temperature (in Kelvin) of subsurface ice beneath 30° pole-facing slopes for present-day Mars. This file was used for the generation of Figure 4b.

- Data_Figure4_Tempssidepth_Obl35_Lsp90.txt is a 3139 x 1 comma separated table of floats in ascii format containing the yearly maximum temperature (in Kelvin) of subsurface ice beneath 30° pole-facing slopes for the simulation at 35° obliquity, Lsp = 90°. This file was used for the generation of Figure 4d.

- Data_Figure4_Tempssidepth_Obl35_Lsp270.txt is a 3139 x 1 comma separated table of floats in ascii format containing the yearly maximum temperature (in Kelvin) of subsurface ice beneath 30° pole-facing slopes for the simulation at 35° obliquity, Lsp = 270°. This file was used for the generation of Figure 4f.

- Data_Figure5_currentobl.txt is a 288 x 7 comma separated table of floats in ascii format containing the yearly maximum temperature of subsurface ice (in Kelvin) beneath 30° pole-facing slope for present-day (1st column), the latitude (in °N, 2nd column), the dry-soil thermal inertia (in J⋅m−2⋅K−1⋅s−1/2, 3rd column), the water ice thermal inertia (in J⋅m−2⋅K−1⋅s−1/2, 4th column), the depth of the ice (in meter) of the subsurface ice after the erosion (5th column), the surface pressure (in Pa, 6th column), and the diffusion coefficient of the dry soil (m^2 s-1, 7th column). This file was used for the generation of Figures 5a, 5b, 5c.

- Data_Figure5_obl35.txt is a 288 x 7 comma separated table of floats in ascii format containing the yearly maximum temperature of subsurface ice (in Kelvin) beneath 30° pole-facing slope (1st column) for the simulation at 35° obliquity, Lsp = 90°; the latitude (in °N, 2nd column), the dry-soil thermal inertia (in J⋅m−2⋅K−1⋅s−1/2, 3rd column), the water ice thermal inertia (in J⋅m−2⋅K−1⋅s−1/2, 4th column), the depth of the ice (in meter) of the subsurface ice after the erosion (5th column), the surface pressure (in Pa, 6th column), and the diffusion coefficient of the dry soil (m^2 s-1, 7th column). This file was used for the generation of Figures 5d, 5e, 5f.