The InSight mission landed on Mars in November 2018 and has since observed multiple convective vortices with both the high performance barometer and the low‐noise seismometer SEIS that has unprecedented sensitivity. Here, we present a new method that uses the simultaneous pressure and seismic measurements of convective vortices to place constraints on the elastic properties of the Martian subsurface and the Martian vortex properties, while also allowing a reconstruction of the convective vortex trajectories. From data filtered in the (0.02–0.3 Hz) frequency band, we estimate that the mean value of η (η = E/[1 − ν²], where E is the Young's modulus and ν is the Poisson's ratio) of the Martian ground in the region around SEIS is 239 ± 140 MPa. In addition, we suggest that the previously reported paucity of vortex seismic observations to the west of InSight may be due to the fact that the ground is harder to the west than to the east, consistent with geomorphological surface interpretations.

中文翻译：

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结合地震和气象测量结果约束火星重熔岩和涡旋参数

InSight任务于2018年11月降落在火星上，此后通过高性能气压计和低噪声地震仪SEIS观测到了多个对流涡流，其灵敏度前所未有。在这里，我们提出了一种新方法，该方法使用对流涡流的压力和地震同时测量来对火星表面的弹性特性和火星涡流特性施加约束，同时还允许重建对流涡旋轨迹。从在（0.02-0.3赫兹）频带滤波的数据，我们估计的平均值η（η  =  ë /〔1 -  ν ² ]，其中Ë是杨氏模量和νSEIS周围区域的火星地面的泊松比为239±140 MPa。此外，我们建议先前报告的InSight以西缺乏涡旋地震观测资料，可能是由于这样的事实，即地面比西方更坚硬，比东方更坚硬，这与地貌表面解释是一致的。