文章基本信息

标题：Characteristic of Shallow Subsurface Quaternary Sediment in Nongsa Isle, Part of Putri Islands, Batam, Based on Georadar Data Interpretation
其他标题：Karakteristik Sedimen Kuarter Bawah Permukaan Dangkal di Pulau Nongsa, Bagian dari Pulau Putri, Batam, Berdasarkan Interpretasi Data Georadar
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作者：Undang Hernawan ; Undang Hernawan ; Nineu Yayu Geuhaneu 等
期刊名称：Bulletin of the Marine Geology
印刷版ISSN：1410-6175
电子版ISSN：2527-8843
出版年度：2019
卷号：34
期号：2
页码：105-116
DOI：10.32693/bomg.34.2.2019.624
语种：English
出版社：Marine Geological Institute of Indonesia
摘要：Nongsa Isle belongs to Putri Islands in Batam, is the outermost island that need to be protected either from natural hazards and anthropogenic factor. Therefore, this study was conducted by performing Ground Penetrating Radar analysis, in order to understand the geological condition particularly sedimentology and its process. We used Sirveyor 20 GPR equipment type with MLF antenna frequency 40 Mhz and Radan 5 as processing software, which include time zero correction, spatial filter, deconvolution, migration and adjustment of amplitude and signal gain. Data interpretation was conducted based on radar facies methodology that describes georadar image/radargram. The study result showed differences of sedimentary facies based on three differences of radar facies units, with the first layer (unit 1) is the youngest unit has thicknesses ranging from 3.5 – 5 m that characterized by parallel, strong reflector, high amplitude and continuous reflector configurations, unit 2 from 5 – 11 meter of depth, indicates parallel reflector pattern with medium-high amplitude and continuous, and unit 3 which is the oldest unit with thickness until penetration limit (11 – 20 m), characterized by a configuration of sub parallel – hummocky reflectors that are undulating, low-medium amplitude reflectors. Based on radar facies characteristics such as reflector configuration, reflection amplitude, and reflection continuity, the differencies of depositional facies are changes from fluvial – coastal plain.
其他摘要：Pulau Nongsa adalah bagian dari Pulau Putri, Batam, merupakan pulau terluar yang harus dijaga baik dari bencana alam maupun dari faktor antropogenik. Oleh karena itu studi ini dilakukan dengan melakukan analisis Ground Penetrating Radar (GPR), bertujuan u
关键词：Crescentic depression;Alcock Rise;Swath bathymetry;Bottom current;Normal fault
其他关键词：GPR;fasies radar;Pulau Nongsa;Batam;sedimen bawah permukaan