On the Monitoring of Small Islands Belonging to the Aeolian Archipelago by MT-InSAR Data

IF 1.9 4区 地球科学 Q2 GEOCHEMISTRY & GEOPHYSICS pure and applied geophysics Pub Date : 2024-09-10 DOI:10.1007/s00024-024-03568-z
Marco Polcari, Mimmo Palano, Silvia Puliero, Francesca Silverii, Claudia Spinetti, Cristiano Tolomei
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Abstract

The aim of the present work is to evaluate the performance of several MT-InSAR techniques based on satellite SAR data in monitoring ground deformation phenomena affecting complex scenarios such as small islands of volcanic origin. To such purpose, PS, SBAS and IPTA approaches are applied in the study of Lipari, Salina and Vulcano islands belonging to the Aeolian archipelago, southern Tyrrhenian Sea, Italy. The outcomes retrieved from each technique are then discussed in terms of intrinsic features, spatial coverage, linear trend and coherence. Moreover, the accuracy of PS, SBAS and IPTA results are evaluated by comparison with in-situ measurements from the GNSS network managed by INGV-OE and private operators considering different metrics. Experimental results show that in this case there is no preferred MT-InSAR technique in an absolute way but each of them has strengths and drawbacks that have to be taken into account in the monitoring of complex scenarios.

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利用 MT-InSAR 数据监测属于伊奥利亚群岛的小岛屿
本研究的目的是评估基于卫星合成孔径雷达数据的几种 MT-InSAR 技术在监测影响火山源小岛等复杂场景的地面变形现象方面的性能。为此,在研究意大利第勒尼安海南部伊奥利亚群岛的利帕里岛、萨利纳岛和武尔卡诺岛时,采用了 PS、SBAS 和 IPTA 方法。然后从固有特征、空间覆盖范围、线性趋势和一致性等方面讨论了每种技术的结果。此外,还将 PS、SBAS 和 IPTA 的结果与 INGV-OE 和私人运营商管理的 GNSS 网络的现场测量结果进行了比较,并考虑了不同的指标,对其准确性进行了评估。实验结果表明,在这种情况下,没有绝对的 MT-InSAR 技术可供选择,但每种技术都有其优点和缺点,在监测复杂情况时必须加以考虑。
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来源期刊
pure and applied geophysics
pure and applied geophysics 地学-地球化学与地球物理
CiteScore
4.20
自引率
5.00%
发文量
240
审稿时长
9.8 months
期刊介绍: pure and applied geophysics (pageoph), a continuation of the journal "Geofisica pura e applicata", publishes original scientific contributions in the fields of solid Earth, atmospheric and oceanic sciences. Regular and special issues feature thought-provoking reports on active areas of current research and state-of-the-art surveys. Long running journal, founded in 1939 as Geofisica pura e applicata Publishes peer-reviewed original scientific contributions and state-of-the-art surveys in solid earth and atmospheric sciences Features thought-provoking reports on active areas of current research and is a major source for publications on tsunami research Coverage extends to research topics in oceanic sciences See Instructions for Authors on the right hand side.
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