Tổng hợp tài liệu Khối Ngành Xã Hội tham khảo cho học sinh, sinh viên.
Hiện tượng LQ-LBĐ thường xảy ra mạnh mẽ, có sức tàn phá lớn, là một trong những loại hình tai biến địa chất nguy hiểm. Mặc dù số liệu thống kê mới cho biết hiện trạng LQ-LBĐ trong khoảng vài chục năm gần đây, nhưng mức độ nguy hiểm và tác hại của chúng là rất rõ ràng và thực sự là một trong những dạng tai biến thiên nhiên ảnh hưởng không nhỏ...
9 trang | Chia sẻ: honghp95 | Ngày: 30/11/2020 | Lượt xem: 601 | Lượt tải: 0
Research and application of GIS and remote sensing technology combined with field survey in coastal areas of Ly Son island, Quang Ngai province had been carried out to establish the distribution map of submarine habitats. Depth-invariant index was used to correct water column’s affects on spectral reflectance of each habitat. The results of sate...
9 trang | Chia sẻ: honghp95 | Ngày: 30/11/2020 | Lượt xem: 577 | Lượt tải: 0
Application of remote sensing and GIS (Geographic Information System) technologies found that: Fluctuation process of shoreline in O Loan lagoon became evident, through which a general picture of the shoreline development in a long time from 1965 - 2014 has been launched. The process of erosion - accretion evolutions occurred time by time. In wh...
9 trang | Chia sẻ: honghp95 | Ngày: 30/11/2020 | Lượt xem: 620 | Lượt tải: 0
This study shows some results of hydrodynamic and environmental characteristics in the Hau river mouth area during dry season (April). Hydrodynamic and environmental characteristics are analyzed from different field data which are carried out in the framework of science and technological cooperation programme between Vietnam and USA (2013 - 201...
7 trang | Chia sẻ: honghp95 | Ngày: 30/11/2020 | Lượt xem: 795 | Lượt tải: 0
The tide is one of the most important phenomena in the ocean. In the world as well as in Vietnam, the tide was studied very early and great achievements have been recorded. However, under the impact of climate change and sea level rise, the local - to - regional - scale changes will cause significant changes in the coastal system. This paper giv...
10 trang | Chia sẻ: honghp95 | Ngày: 30/11/2020 | Lượt xem: 830 | Lượt tải: 0
The estimation of the present day tectonic movement and tectonic gradient (strain rate) has an important practical signification in the assessment of active fault and seismic hazards for the selection of Ninh Thuan nuclear power plant. Based on the three campaigns of GPS measurement between 2012 - 2013, we used BERNESE 5.0 software to determine ...
16 trang | Chia sẻ: honghp95 | Ngày: 30/11/2020 | Lượt xem: 527 | Lượt tải: 0
• In the coastal zone under consideration, the depth of the sea bed gradually and regularly change in the area far from the shore in the north east with the maximum depth of 100 m. In the near shore area in the south west the depth changes regularly and very quickly, it shows that the bed slope is large along the shore from Hoa Duan to Tu Hien....
12 trang | Chia sẻ: honghp95 | Ngày: 30/11/2020 | Lượt xem: 559 | Lượt tải: 0
Hai Hau beach has been eroding for a long time from the beginning of the 20th century. Some hypotheses have been put forward to explain the phenomenon, including the construction of Hoa Binh dam in the upstream part of the Red river (the trapping of sediment leads in to reducing sediment supply to the beach), the cutting of Ha Lan river (which f...
10 trang | Chia sẻ: honghp95 | Ngày: 30/11/2020 | Lượt xem: 514 | Lượt tải: 0
Experiments of photosynthesis assessment of phytoplankton and seaweed had been carried out in Thi Nai lagoon in rainy season (October, 2013) and dry season (May, 2014). The results showed that primary productivity of phytoplankton was 8 - 149 mgC/m3/day, and that productivity of seaweed Gracilaria verrucosa was 0.139 - 0.197 mg C/g seaweed/day. ...
8 trang | Chia sẻ: honghp95 | Ngày: 30/11/2020 | Lượt xem: 611 | Lượt tải: 0
By applying of regression methods to assimilate data for suspended particulate matter as the input data to mathematical model, the paper presents the results on the distribution and carrying capacity of suspended particulate matter in Cau Hai lagoon, Thua Thien-Hue province during the dry season (7/2013) and rainy season (10/2013). The initial s...
6 trang | Chia sẻ: honghp95 | Ngày: 30/11/2020 | Lượt xem: 609 | Lượt tải: 0
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