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DOI | 10.1029/2020GL090192 |
Electrical Conductivity of Aqueous Magnesium Sulfate at High Pressure and Low Temperature with Application to Ganymede's Subsurface Ocean | |
Yilong Pan; Wenjun Yong; Richard A. Secco | |
2020-10-17 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2020 |
英文摘要 | Ganymede has strong evidence of a subsurface ocean primarily composed of MgSO4. We conducted experimental measurements of the electrical conductivity of aqueous MgSO4 at 200‐1200 MPa and 243‐295 K in a multi‐anvil press, simulating the high‐pressure and low‐temperature (HPLT) conditions of Ganymede's subsurface ocean. A numerical model is proposed with logσ = − 3.1605+940.931/T+0.8986logc+2logΛ0 − log(5Λ0+2695c1/2), where σ is electrical conductivity in S/m, T is temperature in K, c is molar concentration in mol/L, and Λ0 is limiting equivalent conductance in S·cm2·equiv‐1. We used this model to generate electrical conductivity curves up to 500 km deep in Ganymede and found that the values are lower than previously predicted. Our novel experimental methods demonstrate access to the HPLT environment of liquid samples that expands our ability for experimental simulation of icy‐ocean worlds in the outer solar system. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/299229 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Yilong Pan,Wenjun Yong,Richard A. Secco. Electrical Conductivity of Aqueous Magnesium Sulfate at High Pressure and Low Temperature with Application to Ganymede's Subsurface Ocean[J]. Geophysical Research Letters,2020. |
APA | Yilong Pan,Wenjun Yong,&Richard A. Secco.(2020).Electrical Conductivity of Aqueous Magnesium Sulfate at High Pressure and Low Temperature with Application to Ganymede's Subsurface Ocean.Geophysical Research Letters. |
MLA | Yilong Pan,et al."Electrical Conductivity of Aqueous Magnesium Sulfate at High Pressure and Low Temperature with Application to Ganymede's Subsurface Ocean".Geophysical Research Letters (2020). |
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