Tài liệu Khối Ngành Xã Hội - Tài liệu, ebook, giáo trình, hướng dẫn

Study on structure of the Earth’s crust in Thua Thien-Hue province and adjacent areas by using gravity and magnetic data in combination
Abstract This paper presents the structural characteristics of the Earth’s crust in Thua Thien-Hue province and adjacent area based on interpretation of gravity and magnetic data in combination. Research results have shown that: The depth of crystalline basement varies complicatedly, in the range of 0–11 km. The depth of Conrad surface increase...
10 trang | Chia sẻ: thanhle95 | Ngày: 06/07/2021 | Lượt xem: 495 | Lượt tải: 0
Study and application of Symphonie model to compute the hydrodynamic processes in the East Sea
Abstract Hydrodynamic processes in the East Sea have been studied by many Vietnamese and foreign scientists applying the models as advanced tools with low cost and spatial and temporal synchronized dataset to serve their research. However, applying the model to study variability of small and medium structures with very high resolution (a few ki...
15 trang | Chia sẻ: thanhle95 | Ngày: 06/07/2021 | Lượt xem: 567 | Lượt tải: 0
Bathymetry mapping using VNREDSAT-1 image: A case study in Ninh Hai coast, Ninh Thuan province of Vietnam
Abstract Bathymetry mapping of coastal zones is one of the minimum requirements to serve related activities as marine management, transportation, construction and scientific application. However, the traditional method of direct measurement in the fields meets problems of time consuming, manpower and money. Applying remote sensing techniques to...
11 trang | Chia sẻ: thanhle95 | Ngày: 06/07/2021 | Lượt xem: 570 | Lượt tải: 0
Occurrence features of Rip current at Ha My (Dien Ban district) and Tam Thanh (Tam Ky city) beaches, Quang Nam province
Abstract Rip current is a relatively strong, narrow current flowing outward from the beach through the surf zone and presenting a hazard to swimmers. This paper presents some occurrence features of Rip current at main swimming beaches in Quang Nam province, Central Vietnam. Study results show that most of swimming beaches along Quang Nam provin...
11 trang | Chia sẻ: thanhle95 | Ngày: 06/07/2021 | Lượt xem: 517 | Lượt tải: 0
Evaluating the shoreline and bottom terrain variations in the naval port of zone 5, Phu Quoc, Kien Giang by using multi - Temporal remote sensing images
Abstract In this study, the authors aim to study two major contents: (1) Evaluating the shoreline variation in the naval port of zone 5 (in the years of 1999, 2006, 2009 and 2016); (2) Evaluating the bottom terrain variation in the naval port of zone 5 (in the years of 2007 and 2010). Three main research methodologies were applied: (i) Band rat...
10 trang | Chia sẻ: thanhle95 | Ngày: 06/07/2021 | Lượt xem: 576 | Lượt tải: 0
Study on spatial distribution of coral reefs in Nam Yet island by using GIS and remote sensing techniques
Abstract Research and application of GIS and remote sensing techniques combined with field survey in coastal areas of Nam Yet island had been carried out to establish the distribution map of submarine habitats. Depthinvariant index was used to correct water column’s effects on spectral reflectance of each habitat. The results of satellite image ...
11 trang | Chia sẻ: thanhle95 | Ngày: 06/07/2021 | Lượt xem: 680 | Lượt tải: 0
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: 498 | 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: 471 | 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: 559 | 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: 619 | Lượt tải: 0

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