Coupled seismogenic geohazards in alpine regions

IF 0.7 4区地球科学 Q4 GEOCHEMISTRY & GEOPHYSICS Bollettino Di Geofisica Teorica Ed Applicata Pub Date : 2012-12-01 DOI:10.4430/BGTA0048

D. Fäh, J. Moore, J. Burjánek, I. Iosifescu, L. Dalguer, F. Dupray, C. Michel, J. Woessner, A. Villiger, J. Laue, Iris Marschall, V. Gischig, S. Loew, A. Marin, Gabriela Gassner, Sonia Alvarez, W. Balderer, P. Kästli, D. Giardini, Cristina Iosifescu, L. Hurni, P. Lestuzzi, A. Karbassi, Cyrill Baumann, A. Geiger, A. Ferrari, L. Laloui, J. Clinton, N. Deichmann

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引用次数: 31

Abstract

COupled seismogenic GEohazards in Alpine Regions (COGEAR) is an interdisciplinary natural hazard project investigating the hazard chain induced by earthquakes. It addresses tectonic processes and the related variability of seismicity in space and time, earthquake forecasting and short-term precursors, and strong ground motion as a result of source and complex path effects. We study non-linear wave propagation phenomena, liquefaction and triggering of landslides in soil and rock, as well as earthquake-induced snow avalanches. The Valais, and in particular parts of the Rhone, Visper, and Matter valleys have been selected as study areas. Tasks include detailed field investigations, development and application of numerical modeling techniques, assessment of the susceptibility to seismically induced effects, and installation of different monitoring systems to test and validate our models. These systems are for long-term operation and include a continuous GPS and seismic networks, a test installation for observing earthquake precursors, and a system to study site-effects and non-linear phenomena in two test areas (Visp, St. Niklaus / Randa). Risk-related aspects relevant for buildings and lifelines are also considered.

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高寒地区耦合发震地质灾害

高寒地区耦合发震地质灾害(COGEAR)是一个跨学科的自然灾害项目，研究地震诱发的灾害链。它涉及构造过程和地震活动在空间和时间上的相关变异性，地震预报和短期前兆，以及由于震源和复杂路径效应而产生的强地面运动。我们研究了非线性波传播现象，土壤和岩石中滑坡的液化和触发，以及地震引起的雪崩。瓦莱州，特别是罗纳河、维斯珀河和物质山谷的部分地区被选为研究区域。任务包括详细的实地调查，开发和应用数值模拟技术，评估地震诱发效应的易感性，以及安装不同的监测系统来测试和验证我们的模型。这些系统是长期运行的，包括一个连续的GPS和地震网络，一个观测地震前兆的测试装置，以及一个研究两个试验区(Visp, St. Niklaus / Randa)的现场效应和非线性现象的系统。还考虑了与建筑物和生命线有关的风险相关方面。

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来源期刊

Bollettino Di Geofisica Teorica Ed Applicata 地学-地球化学与地球物理

自引率

0.00%

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审稿时长

>12 weeks

期刊介绍： The "Bollettino di Geofisica Teorica ed Applicata" is an international open access journal dedicated to the publication of original papers dealing with Deep Earth Geophysics, Near Surface Geophysics, Exploration Geophysics, Borehole Geophysics, Geodynamics and Seismotectonics, Seismology, Engineering Seismology, Geophysical Modelling, Geodesy, Remote Sensing, Seismic and Geodetic Networks, Oceanography, and their application in the fields of Energy, Natural Resources, Environment and Climate, Policies and Regulations, Risk and Security, Technological Development.