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The Weisweiler passive seismological network: optimised for state-of-the-art location and imaging methods
Earth System Science Data ( IF 11.4 ) Pub Date : 2022-11-28 , DOI: 10.5194/essd-2022-378 Claudia Finger, Marco P. Roth, Marco Dietl, Aileen Gotowik, Nina Engels, Rebecca M. Harrington, Brigitte Knapmeyer-Endrun, Klaus Reicherter, Thomas Oswald, Thomas Reinsch, Erik H. Saenger
Earth System Science Data ( IF 11.4 ) Pub Date : 2022-11-28 , DOI: 10.5194/essd-2022-378 Claudia Finger, Marco P. Roth, Marco Dietl, Aileen Gotowik, Nina Engels, Rebecca M. Harrington, Brigitte Knapmeyer-Endrun, Klaus Reicherter, Thomas Oswald, Thomas Reinsch, Erik H. Saenger
Abstract. Passive seismic datasets are a key technology for exploration and monitoring of subsurface reservoirs. Searching for alternative resources in the framework of the energy transition creates a surge for identifying as many potential sites as possible suitable for geothermal exploitation. The Lower Rhine Embayment, at the western border of North Rhine-Westphalia in Germany, is an extensional system with a very high potential for geothermal exploitation. The area experiences moderate but continuous natural seismicity. Here, we report on a passive seismic dataset recorded with 48 seismic stations centred at and around Eschweiler-Weisweiler. Background seismic noise levels are high at this site due to high levels of anthropogenic noise and thick unconsolidated sedimentary layers. The final station layout is a compromise between targeted network design and suitably quiet locations. We show that the network design allows the application of state-of-the-art methods including waveform-based source location methods and ambient noise velocity imaging methods.
中文翻译:
Weisweiler 被动地震台网:针对最先进的定位和成像方法进行了优化
摘要。被动地震数据集是地下储层勘探和监测的关键技术。在能源转型的框架内寻找替代资源引发了一股热潮,要求尽可能多地确定适合地热开发的潜在地点。位于德国北莱茵-威斯特法伦州西部边界的下莱茵河湾是一个具有很高地热开发潜力的伸展系统。该地区经历了中等但持续的自然地震活动。在这里,我们报告了以 Eschweiler-Weisweiler 及其周围为中心的 48 个地震台站记录的被动地震数据集。由于高水平的人为噪声和厚厚的未固结沉积层,该地点的背景地震噪声水平很高。最终车站布局是目标网络设计和适当安静位置之间的折衷。我们表明网络设计允许应用最先进的方法,包括基于波形的源定位方法和环境噪声速度成像方法。
更新日期:2022-11-29
中文翻译:
Weisweiler 被动地震台网:针对最先进的定位和成像方法进行了优化
摘要。被动地震数据集是地下储层勘探和监测的关键技术。在能源转型的框架内寻找替代资源引发了一股热潮,要求尽可能多地确定适合地热开发的潜在地点。位于德国北莱茵-威斯特法伦州西部边界的下莱茵河湾是一个具有很高地热开发潜力的伸展系统。该地区经历了中等但持续的自然地震活动。在这里,我们报告了以 Eschweiler-Weisweiler 及其周围为中心的 48 个地震台站记录的被动地震数据集。由于高水平的人为噪声和厚厚的未固结沉积层,该地点的背景地震噪声水平很高。最终车站布局是目标网络设计和适当安静位置之间的折衷。我们表明网络设计允许应用最先进的方法,包括基于波形的源定位方法和环境噪声速度成像方法。