Tổng hợp tài liệu Địa Lý tham khảo cho học sinh, sinh viên.
Vietnam has a system of 392 rivers, which run into the sea through 114 estuaries and inlets from the North to the South, and there is one estuary every 23km averagely. The economic and tourism activities etc. are very active ni the estuaries. However, the hydrodynamic processes included the Độ suy giảm biên độ dao động mực nước (%) Khoảng ...
10 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 521 | Lượt tải: 0
el for the coastal zone of the Red River delta area in Vietnam was presented. The development code was COHERENS V2.0, a three-dimensional hydrodynamic multi-purpose model for coastal and shelf seas based on the finite element method. The results of the model with 10 scenarios simulations show the role of wind condition combined with tidal os...
9 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 511 | Lượt tải: 0
This paper described some features of winds, rainfall, freshwater discharge, water temperature and salinity, currents in Quy Nhon bay corresponding to different conditions. Data source was taken from Meteo - hydrological stations and field survey campaigns in Quynhon Bay area. Circulation patterns were computed using MIKE-21 model. The studie...
11 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 681 | Lượt tải: 0
The National Climate Change and Sea Water Rise Scenarios for Vietnam (NCCASWRS) updated in 2012 has been recently published by the Ministry of Natural Resources & Environment of Vietnam, which analyzes and assesses rainfall variation in accordance with three gas emission scenarios for every province of Vietnam. However, this book as targeted at ...
9 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 599 | Lượt tải: 0
Located in the southern coastal region of the Centre, Cai Phan Rang river basin (Ninh Thuan Province) characterized by semi-arid ecosystem with high aridity index, hot and sunny weather, lack of water throughout the year. In addition to the impact of climatic conditions, unreasonable use of limited water resource also cause droughts like croppin...
6 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 582 | Lượt tải: 0
This paper presents estimation result of the magnitude of the largest possible earthquake in the Muong La - Bac Yen fault zone, a seismic-source zone located in the Northwest of Vietnam. After investigating and analysing terrain, geomorphology, geological features, satellite and Shuttle Radar Topography Mission images and related earthquake data...
7 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 533 | Lượt tải: 0
Ma River and Son La - Bim Son active faults predicted as the strongest seismogenic zones in Vietnam with the maximum earthquake can be reached 7.1 degree on Richter scale. The seismicity of these fault zones at several segments in Northwest regions is much more active than that at the southeast segments of the Thanh Hoa province. The low seismic...
11 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 535 | Lượt tải: 0
A huge surface deformation is present firstly the existence of the weak soil layers existing in the region, the second is construction plans which are not reasonable and, the third is exploitation of underground water more and more over. But the consequences are all due to the first cause. The weak soil layers in Hadong region are formed mainly b...
7 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 576 | Lượt tải: 0
Mekong River Delta, one of the largest deltas of Asia, has a high risk of flood due to the present sea level rise under the global climate warming. Therefore, the studies on Mekong River Delta evolution have been interested in the recent years, especially the subaqueous delta part, in which the land-ocean interaction takes place intensively. The ...
9 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 602 | Lượt tải: 0
In this paper, the tectonic stress field in the Southeast Continental Shelf of Vietnam region has established on the base of seismic focal mechanism, volcanic and borehole geophysic data. It is shown that, the tectonic stress field of study region complicatedly changes in the space. In the West region, the stress field of lateral strike-normal di...
9 trang | Chia sẻ: honghp95 | Ngày: 28/11/2020 | Lượt xem: 610 | Lượt tải: 0
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