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DOI | 10.1029/2021GL093191 |
Hydrological effects on seismic-noise monitoring in karstic media | |
C. Almagro Vidal; L. Zaccarelli; F. Pintori; P. L. Bragato; E. Serpelloni | |
2021-07-03 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2021 |
英文摘要 | Fluctuations in groundwater content may produce surface deformation and affect the elastic properties of the Earth’s crust. In this study we evaluate the temporal variations of the Earth’s crust elastic properties (in the form of relative seismic-velocity variations) in a tectonically active region in Northern Italy characterized by the presence of karst systems. In this area, GPS measurements already revealed hydrologically-induced deformation, modulated by changes in groundwater storage. We study the relation of our seismological observations with the geodetic and hydrological results and identify the effects of groundwater-content variations in the seismic-velocity perturbations. Our results show that hydrologically-induced changes in karstic media produce significant seismic-velocity perturbations, therefore its role in tectonic-stress adjustment studies must not be ignored. Depth sensitivity analysis of our results constrain the crustal perturbations to range between 500 and 3500 m depth. Results from scattering imaging locate the crustal perturbations along the main local karst systems. |
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/333840 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | C. Almagro Vidal,L. Zaccarelli,F. Pintori,et al. Hydrological effects on seismic-noise monitoring in karstic media[J]. Geophysical Research Letters,2021. |
APA | C. Almagro Vidal,L. Zaccarelli,F. Pintori,P. L. Bragato,&E. Serpelloni.(2021).Hydrological effects on seismic-noise monitoring in karstic media.Geophysical Research Letters. |
MLA | C. Almagro Vidal,et al."Hydrological effects on seismic-noise monitoring in karstic media".Geophysical Research Letters (2021). |
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