Investigation of Marine Sediments with a Subbottom Profilers System in West Coast of Camau, Vietnam

• Autorzy: Dung Nguyen Quang , Giang Nguyen Van , Thanh Le Ngoc

Identyfikatory

DOI

10.29227/IM-2023-02-33

Warianty tytułu

PL

Badanie osadów morskich za pomocą systemu profilerów poddennych na zachodnim wybrzeżu Camau w Wietnamie

• Konferencja: POL-VIET 2023 — the 7th International Conference POL-VIET
• Języki publikacji: EN

Abstrakty

EN

The west coast of Camau (Southeast Vietnam) connects two semi-enclosed East Sea and Thailand Bays, allowing water exchange between them. Despite its importance to the oceanographic evolution of the region, it has still been poorly studied. Therefore, Subbottom profilers are used across shallow sea waters with some applications, such as sea-level studies, sedimentation process and geomorphology. In the whole survey area, 6 high-resolution shallow seismic measurements have been performed with a total length of 60.6 km, and all have recorded good reflected signals in the range 20–70 ms. In this section, physical characteristics and nature of petrology in the survey environment are quite uniformly shown. The topography of the seabed in the survey area tends to be gradually shallower from west to east, and is relatively flat. Particularly, on the cross section of the T1 line, it is visible that the first section of the line has a rather steep and deep terrain, which may be the slope of the continental shelf in the survey area. Wedge-shaped, oblique, corrugated and transverse structures all appear on the cross-sections. In the survey area, the shallow geological structure in the Holocene sediments is divided into 4 layers, and the structural boundary between the Holocene and Pleistocene sediments at the depth of 25–35 m is observed. In addition, geological faults are also detected on geological sections from seismic sections. For instance, at the section of T6 line, two faults were detected at the beginning of the line. The displacement amplitude of these faults ranges between 1.5–4 m. This new dataset will contribute to future comprehension of the geologic and oceanographic evolution.

Słowa kluczowe

EN

west coast of Camau; high-resolution shallow seismic; sub-bottom profiler; cross-section; Holocene-Pleistocene sediments

PL

Sejsmika; Wietnam; profile

• Wydawca: Polskie Towarzystwo Przeróbki Kopalin
• Czasopismo: Inżynieria Mineralna
• Rocznik: 2023
• Tom: no. 2, vol. 1
• Strony: 215--223
• Opis fizyczny: Bibliogr. 27 poz., rys., tab., zddj.

Twórcy

autor

Dung Nguyen Quang

• Institute of Geography and Resource in HCM city, 1 Mac Dinh Chi, distr. 1 HCM city, Vietnam

• https://orcid.org/0009-0002-9232-5947

autor

Giang Nguyen Van

• Binh Duong University, 504 Binh Duong Ave. Thu Dau Mot city, BinhDuong province, Vietnam

• https://orcid.org/0000-0003-4477-430X+

autor

Thanh Le Ngoc

• Institute of Geography and Resource in HCM city, 1 Mac Dinh Chi, distr. 1 HCM city, Vietnam

• https://orcid.org/0009-0006-1685-915

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu „Społeczna odpowiedzialność nauki” - moduł: Popularyzacja nauki i promocja sportu (2022-2023)