Author-submitted data information
| ID | 743 |
| Title | Numerical Simulation Data of the Seasonal Evolution of Subsurface Methane Hydrate at the Zhurong Landing Site on Mars |
| Creator | Yongbin He |
| Subject | hydrate saturation, free methane volume |
| Publisher | Xiukuan Zhao |
| Description | In this study, we used the TOUGH+HYDRATE code for numerical simulations. The model has a vertical depth of 100 m, divided into 100 grids with a resolution of 1 m each. Horizontally, it extends 100 m and is divided into 10 grids, each 10 m wide, resulting in a total of 1000 grid cells. The structure is distributed parallel to each other, with a 2 m transition layer, an 18 m Martian soil layer, and a basalt layer that is 80 m in thickness. To accurately calculate the periodic variations of methane hydrate over a Martian year, we first obtained surface temperature data for nine time points (including the initial point at Ls = 0°) within one Martian year at the Zhurong rover landing site from the Mars Climate Database v6.1. Subsequently, the impact of surface temperature was simulated by modifying the initial temperature at the top boundary. After completing the calculation for a given time, the results from all mesh elements were employed as initial conditions for the following simulation run. for all mesh elements were used as the initial conditions for the next simulation. This process was iterated over a total of 64 time points, completing eight full cycles, with each simulation representing 0.125 Martian year, ultimately covering a total simulation period of eight Martian years. The database includes the simulation data for the second and eighth years that were used in the manuscript. The Martian seismic histogram data is derived from the interpretation of the InSight Mars Seismic Catalogue V14 dataset. |
| Contributor | Jianming He, Guanglin Zhang, Jian Wan, Jianing Jiang, Xiaoya Dua, Zhaobin Zhang, Shouding Li, Xiao Li |
| Date | June 18, 2025 |
| Type | The Degree_Plot_Data_Elem.dat file contains the model output, with variables including:
Variables = x, y, z, P, T, S_hyd, S_aqu, S_gas, S_icd, X_inh, k_rg, k_rw, k_adj_F, perm_abs, porosity, P_cap. The Degree_Hydrate_Status file provides the global state parameters of the model, including: Time (d); CH4MassRate (kg/s); CH4VolRate (m3/s); Cum_CH4_Mass (kg); Cum_CH4_Vol (m3); FreeCH4inRes (m3); RemainHydr (kg). The Martian seismic histogram data.csv file contains the following parameters: LowerBound: the lower limit of the solar longitude range corresponding to the event time; UpperBound: the upper limit of the solar longitude range corresponding to the event time; Count: the number of seismic events within this range. |
| Format | .dat and .csv files can be viewed as text files. |
| URL | http://www.geophys.ac.cn/ArticleData/20251126MarsSimulationData.zip |
| DOI | 10.12197/2025GA044 |
| Source | |
| Language | Eng |
| Relation | |
| Coverage | |
| Rights | Institute of Geology and Geophysics, Chinese Academy of Sciences |