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来自海底的实时地震数据。

Real-Time Seismic Data from the Bottom Sea.

作者信息

Roset Xavier, Trullols Enric, Artero-Delgado Carola, Prat Joana, Del Río Joaquin, Massana Immaculada, Carbonell Montserrat, Barco de la Torre Jaime, Toma Daniel Mihai

机构信息

SARTI Research Group, Universitat Politècnica de Catalunya (UPC), 08800 Vilanova i la Geltrú, Spain.

Instituto Geográfico Nacional C/General Ibáñez de Íbero 3, 28003 Madrid, Spain.

出版信息

Sensors (Basel). 2018 Apr 8;18(4):1132. doi: 10.3390/s18041132.

DOI:10.3390/s18041132
PMID:29642479
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5949023/
Abstract

An anchored marine seismometer, acquiring real-time seismic data, has been built and tested. The system consists of an underwater seismometer, a surface buoy, and a mooring line that connects them. Inductive communication through the mooring line provides an inexpensive, reliable, and flexible solution. Prior to the deployment the dynamics of the system have been simulated numerically in order to find optimal materials, cables, buoys, and connections under critical marine conditions. The seismometer used is a high sensitivity triaxial broadband geophone able to measure low vibrational signals produced by the underwater seismic events. The power to operate the surface buoy is provided by solar panels. Additional batteries are needed for the underwater unit. In this paper we also present the first results and an earthquake detection of a prototype system that demonstrates the feasibility of this concept. The seismometer transmits continuous data at a rate of 1000 bps to a controller equipped with a radio link in the surface buoy. A GPS receiver on the surface buoy has been configured to perform accurate timestamps on the seismic data, which makes it possible to integrate the seismic data from these marine seismometers into the existing seismic network.

摘要

一种用于获取实时地震数据的锚定海洋地震仪已制造并测试完毕。该系统由一个水下地震仪、一个水面浮标以及连接它们的系泊缆绳组成。通过系泊缆绳进行的感应通信提供了一种经济、可靠且灵活的解决方案。在部署之前，已对该系统的动力学进行了数值模拟，以便在关键海洋条件下找到最佳的材料、电缆、浮标和连接方式。所使用的地震仪是一种高灵敏度的三轴宽带地震检波器，能够测量水下地震事件产生的低振动信号。为水面浮标供电的是太阳能板。水下装置则需要额外的电池。在本文中，我们还展示了一个原型系统的首批结果以及一次地震检测，证明了这一概念的可行性。地震检波器以1000比特每秒的速率将连续数据传输至水面浮标中配备无线电链路的控制器。水面浮标上的GPS接收器已配置为对地震数据进行精确的时间戳标记，这使得将来自这些海洋地震仪的地震数据整合到现有的地震网络中成为可能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/73c56bbd10f7/sensors-18-01132-g014.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/4be5175ff03e/sensors-18-01132-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/55b035fb715d/sensors-18-01132-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/20529984c942/sensors-18-01132-g009a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/353d5dc35e93/sensors-18-01132-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/b44538891b3c/sensors-18-01132-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/cc1c65176881/sensors-18-01132-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/de16987dae44/sensors-18-01132-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/73c56bbd10f7/sensors-18-01132-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/9a6aa918cbdb/sensors-18-01132-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/314ccd17c61d/sensors-18-01132-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/1b6752070c35/sensors-18-01132-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/c25f41d62b67/sensors-18-01132-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/03a993debd5f/sensors-18-01132-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/9dbd6e13b140/sensors-18-01132-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/4be5175ff03e/sensors-18-01132-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/55b035fb715d/sensors-18-01132-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/20529984c942/sensors-18-01132-g009a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/353d5dc35e93/sensors-18-01132-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/b44538891b3c/sensors-18-01132-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/cc1c65176881/sensors-18-01132-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/de16987dae44/sensors-18-01132-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3ed1/5949023/73c56bbd10f7/sensors-18-01132-g014.jpg

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本文引用的文献

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