Application of High–resolution Reflection Seismic Attributes for Researching 3D Shallow Marine Geology Structures

• Autorzy: Le Cuong Van Anh , Duong Man Ba , Nguyen Thuan Van , Nguyen Truong Ngoc

Identyfikatory

DOI

10.29227/IM-2023-01-22

Warianty tytułu

PL

Zastosowanie atrybutów sejsmicznych odbić o wysokiej rozdzielczości do badania struktur 3D płytkiej geologii morskiej

• Języki publikacji: EN

Abstrakty

EN

In river sedimentology and bathymetry study, high–resolution seismic approach equipped with a sub–bottom profiler is necessary. Difference of acoustic impedances resulted by varies of sediment stratigraphy layers can be visualized through dynamic seismic vibration. In marine environments, detection of young sediment as sand dunes or mud, mixtures of sand and clay, and clay formations can help policy makers to launch policies or regulations in safety of water transportation as well as civil building infrastructure. We have measured, analyzed, and interpreted an enormous collection of 2D seismic sub-bottom profiles in Can Gio offshore, Ho Chi Minh City, Vietnam for understanding its shallow subsurface young deposits. Our approach is to combine three key seismic textural attributes (i.e., Correlation, Variance, and Homogeneity) in the representation of color-blended attribute for picking distinguished geological features. In our result, 2D seismic horizons representing boundaries of diverse types of sediments can provide a great input for modeling 3D seabed and distribution of sand, sand-clay mixture, and clay sediments within the interest area. The sand layer useful for mining in this area is strongly affected by channels stemming from Soai Rap river.

PL

W badaniach sedymentologicznych i batymetrycznych rzek konieczne jest podejście sejsmiczne o wysokiej rozdzielczości wyposażone w profiler poddenny. Różnicę impedancji akustycznych wynikającą ze zmienności warstw stratygraficznych osadów można zwizualizować za pomocą dynamicznych drgań sejsmicznych. W środowiskach morskich wykrywanie młodych osadów, takich jak wydmy lub błoto, mieszanki piasku i gliny oraz formacje gliny, może pomoc decydentom we wprowadzaniu polityk lub przepisów dotyczących bezpieczeństwa transportu wodnego, a także infrastruktury budynków cywilnych. Zmierzyliśmy, przeanalizowaliśmy i zinterpretowaliśmy ogromny zbiór profili sejsmicznych 2D pod dnem w Can Gio na morzu w mieście Ho Chi Minh w Wietnamie, aby zrozumieć jego płytkie, podpowierzchniowe młode złoża. Nasze podejście polega na połączeniu trzech kluczowych atrybutów tekstury sejsmicznej (tj. Korelacji, Wariancji i Jednorodności) w reprezentacji atrybutu mieszania kolorów w celu wybrania wyróżniających się cech geologicznych. W naszym wyniku, poziomy sejsmiczne 2D reprezentujące granice rożnych typów osadów mogą stanowić doskonały materiał wejściowy do modelowania 3D dna morskiego i rozmieszczenia piasku, mieszanki piaskowo-gliniastej i osadów gliniastych w obszarze zainteresowania. Na warstwę piasku przydatnego do wydobycia na tym obszarze duży wpływ mają kanały wychodzące z rzeki Soai Rap..

Słowa kluczowe

EN

high-resolution seismic; textural attribute; bathymetry; color-blend

PL

sejsmika wysokiej rozdzielczości; atrybut tekstury; batymetria; mieszanie kolorów

• Wydawca: Polskie Towarzystwo Przeróbki Kopalin
• Czasopismo: Inżynieria Mineralna
• Rocznik: 2023
• Tom: no. 1
• Strony: 175--184
• Opis fizyczny: Bibliogr. 31 poz., rys.

Twórcy

autor

Le Cuong Van Anh

• University of Science, Ho Chi Minh City, Vietnam
• Vietnam National University Ho Chi Minh city, Ho Chi Minh City, Vietnam

autor

Duong Man Ba

• Ho Chi Minh City Institute of Resources Geography, VAST, Vietnam

autor

Nguyen Thuan Van

• University of Science, Ho Chi Minh City, Vietnam
• Vietnam National University Ho Chi Minh city, Ho Chi Minh City, Vietnam

autor

Nguyen Truong Ngoc

• University of Science, Ho Chi Minh City, Vietnam
• Vietnam National University Ho Chi Minh city, Ho Chi Minh City, Vietnam

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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)