Digitized Database of Old Seismograms Recorder in Romania

IF 2 4区 地球科学 Q2 GEOCHEMISTRY & GEOPHYSICS
D. Paulescu, M. Rogozea, M. Popa, M. Radulian
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引用次数: 5

Abstract

The aim of this paper is to describe a managing system for a unique Romanian database of historical seismograms and complementary documentation (metadata) and its dissemination and analysis procedure. For this study, 5188 historical seismograms recorded between 1903 and 1957 by the Romanian seismological observatories (Bucharest-Filaret, Focşani, Bacău, Vrincioaia, Câmpulung-Muscel, Iaşi) were used. In order to reconsider the historical instrumental data, the analog seismograms are converted to digital images and digital waveforms (digitization/ vectorialisation). First, we applied a careful scanning procedure of the seismograms and related material (seismic bulletins, station books, etc.). In a next step, the high resolution scanned seismograms will be processed to obtain the digital/numeric waveforms. We used a Colortrac Smartlf Cx40 scanner which provides images in TIFF or JPG format. For digitization the algorithm Teseo2 developed by the National Institute of Geophysics and Volcanology in Rome (Italy), within the framework of the SISMOS Project, will be used.
罗马尼亚旧地震记录数字化数据库
本文的目的是描述一个独特的罗马尼亚历史地震记录和补充文件(元数据)数据库的管理系统及其传播和分析程序。本研究使用了罗马尼亚地震观测站(Bucharest-Filaret, foc, bac, Vrincioaia, cenculung - muscel, i)在1903 - 1957年间记录的5188个历史地震图。为了重新考虑历史仪器数据,模拟地震图被转换为数字图像和数字波形(数字化/向量化)。首先,我们对地震记录和相关资料(地震公报、台站手册等)进行了仔细的扫描。下一步,将对高分辨率扫描地震图进行处理,以获得数字/数值波形。我们使用了Colortrac Smartlf Cx40扫描仪,它提供TIFF或JPG格式的图像。为了实现数字化,将使用由罗马(意大利)国家地球物理和火山学研究所在SISMOS项目框架内开发的算法Teseo2。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Acta Geophysica
Acta Geophysica 地学-地球化学与地球物理
CiteScore
3.90
自引率
13.00%
发文量
251
审稿时长
5.3 months
期刊介绍: Acta Geophysica is open to all kinds of manuscripts including research and review articles, short communications, comments to published papers, letters to the Editor as well as book reviews. Some of the issues are fully devoted to particular topics; we do encourage proposals for such topical issues. We accept submissions from scientists world-wide, offering high scientific and editorial standard and comprehensive treatment of the discussed topics.
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