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Recent geodynamic characteristics of the Southern Central coast and the relations with geological hazards
Abstract Recent geodynamic characteristics of the Southern Central coast are analyzed on the basis of vertical and horizontal displacement velocities along active fault zones. The horizontal displacement velocity varies in magnitude from this fault system to another fault system, from 0.11–0.3 mm/year on the strike-slip - normal faults to 0–0.0...
12 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 495 | Lượt tải: 1
Rip current simulation on some beaches in coastal Quang Nam province
Abstract This paper presents modelling results of rip currents on the main beaches along coastal Quang Nam province including Ha My, Binh Minh, Tam Thanh and Rang beaches during two typical wind seasons: Northeast monsoon (Northeast wind direction, wind levels: 4, 5, 6) and Southwest monsoon (Southeast wind direction, wind levels: 4, 5) using M...
12 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 467 | Lượt tải: 0
Research on effects of geo-hydrodynamics on topographic changes in the estuary of Cua Dai, Quang Nam province
Abstract Accretion and erosion processes recorded in the estuary of Cua Dai, Quang Nam province from 2014 to present have directly affected the issues of flooding drainage system, waterway traffic, aquaculture and seafood exploitation services. These have been drawing special attentions of national and international scientists. So far, several ...
8 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 552 | Lượt tải: 0
Establishing calculation method for chemical composition of primitive magma in the Cenozoic in South Central coast region and the adjacent continental shelf of Vietnam
Abstract The calculations which determine the chemical composition of the primitive magma are simple but they show changes in the temperature and pressure states of the magma source. The method is based on the addition of the chemical composition of the Olivine to the major element composition of the eruptive rocks which follows the formula: Ci...
16 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 614 | Lượt tải: 0
Vietnam geographical exploitation under the United Nations Convention on the Law of the Sea in 1982 (UNCLOS 1982)
Abstract As an active member of the United Nations Convention on the Law of the Sea - UNCLOS, Vietnam has completed 3 Reports on the Limits of the Continental Shelf and has submitted two of them to the Commission on the Limits of the Continental Shelf - CLCS, before the deadline 13-5-2009. Those are: (1) Outer Limits of the Vietnam’s Extended C...
12 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 571 | Lượt tải: 0
Building database of WEBGIS for the exchange of marine data between Vietnam and ASEAN countries
Abstract The system of oceanic database management and exchange is built with the purpose of exchanging the oceanic data between Vietnam and other ASEAN countries. The system can meet the demand of sharing and exchanging oceanic data through internet connection between Vietnam and ASEAN member countries. Besides, the system of oceanic database ...
13 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 585 | Lượt tải: 0
Institute of Marine Geology and Geophysics - 30 years for studying geology and geophysics in the marine zones of Vietnam and Eastern Sea
Abstract Geological and geophysical investigation and study in the marine zones of Vietnam and Eastern Sea, its application in the mineral exploration, for natural disaster and hazard prevention, environment and resource protection, for sea and island management, marine economic development, sea defence and security is the important, main and l...
15 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 503 | Lượt tải: 0
Improving accuracy of altimeter-derived marine gravity anomalies in the East Vietnam Sea deep-basin and adjacent area
Abstract In recent years, the satellite altimeter technology allows enhancing the marine investigation in many areas. Up to now, many scientific studies have attempted to improve the accuracy and resolution of altimeterderived gravity anomalies and have produced a gravity grid with interval of 1’×1’ for most oceans all over the world. However, t...
11 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 473 | Lượt tải: 0
Application of numerical model Simclast for studying the development of Red river delta in late Pleistocene-Holocene
Abstract The Simclast model has been verified and applied effectively in simulating the delta development for some major deltas in the world. In this study, we applied the model Simclast for simulating the history of the Red river delta development in late Pleistocene-Holocene. Results of the model reveal that the mainland of study area had red...
16 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 548 | Lượt tải: 0
The process of preparation and analysis of calcareous nannofossil sample, and application for marine sediments of Soc Trang province
Abstract Calcareous nannofossils are very small microfossils composed of calcium carbonate. They are very good biostratigraphic markers within marine sediments by covering the Jurassic to present. The standard preparation of a sample for nannofossil analysis requires the collection of the largest quantity and the best fossils. Sample preparatio...
8 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 501 | Lượt tải: 0

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