Digitized Database of Old Seismograms Recorder in Romania
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- 作者：Daniel Paulescu ; Maria Rogozea ; Mihaela Popa ; Mircea Radulian
- 关键词：Key wordshistorical seismograms ; database ; digitization ; Romania
- 刊名：Acta Geophysica
- 出版年：2016
- 出版时间：August 2016
- 年：2016
- 卷：64
- 期：4
- 页码：963-977
- 全文大小：2312KB
- 刊物主题：Geophysics/Geodesy; Structural Geology; Geotechnical Engineering & Applied Earth Sciences;
- 出版者：Springer International Publishing
- ISSN：1895-7455
- 卷排序：64
文摘
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.