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Major characteristics of surface sediments within the shallow water of the Cat Ba island, North VietnamAbstract: The Cat Ba is one of the largest Islands offshore North Vietnam, which is characterized by an abundance of coral reefs in the East and Southeast of the island. The surface sediments are considered the basic elements for the coral ecosystem development. In this study, the authors present some new results studying pH, Eh, mineral composi...
13 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 614 | Lượt tải: 0
The classification system and characteristics of coastal landscapes in Quang Ngai provinceAbstract: Studying coastal landscapes is an important and meaningful content in determining the natural and human properties of the territory and territorial sea, which is a valuable scientific basis for spatial planning in the economic development associated with the use of resources and environmental protection. The Quang Ngai’s coastal area i...
15 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 622 | Lượt tải: 0
A study on the Sensitivity of Parameterizations for Regional Climate models in the Simulation of Tropical Cyclones over Western Pacific Ocean and East SeaAbstract: This study investigates the sensitivity of physical parameterization schemes in two regional dynamic models clWRF (the climate Weather Research and Forecasting) and RegCM (the Regional Climate Model) in the simulation of tropical cyclones (TCs) over Western Pacific Ocean and East Sea. The experiments include 12-cases for clWRF model an...
12 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 585 | Lượt tải: 0
Some new heritage discoveries in the central highlands, VietnamAbstract: A series of new heritage discoveries were found during several field-trips from November 2018 to May 2019 in whole area of The Central Highlands with supporting from the project, coded TN17/T06. The most remarkable discoveries are two archaeological sites: The first one is located on Ho Tre crater in Krong Ana district, Dak Lak provinc...
14 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 630 | Lượt tải: 0
Analyzing Bio-Geo-Chemical factors in relation to land use trends on basalt terrain in Dong Nai and nearby areasAbstract: Basalt terrain is widely distributed in the Central Highlands and Southeast of Vietnam. Currently, land use policies on basalt types are not really suitable, affecting economic growth and creating negative impacts on the environment, especially soil and water pollution. This study carried out the assessment of bio-geochemical condition...
11 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 591 | Lượt tải: 0
On the influence of the soil and groundwater to the subsidence of houses in Van Quan, HanoiAbstract: The area of Van Quan, Hanoi before 2004 was the rice field. Nearby, Ha Dinh water plant has well-drilled underground water for residential activities. Van Quan's new urban area after being formed has detected many subsidences. The objective of this study is to assess the main causes of the subsidence of the houses, based on groundwater...
10 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 685 | Lượt tải: 0
Urban bare land classification using NDBai index based on combination of sentinel 2 MSI and landsat 8 multiresolution imagesAbstract: The classification of urban land cover/land use is a difficult task due to the complexity in the structure of the urban surface. This paper presents the method of combining of Sentinel 2 MSI and Landsat 8 multi-resolution satellite image data for urban bare land classification based on NDBaI index. Two images of Sentinel 2 and Landsat ...
11 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 590 | Lượt tải: 0
Extend cost benefit analysis of bauxite mining and processing in the central highlands of VietnamAbstract: The study focuses on assessing the effectiveness of bauxite mining and processing in the Central Highlands through the example of Tan Rai (Lam Dong) and Nhan Co (Dak Nong) bauxitealumina complexes by the method of extended cost benefit analysis. External costs have been localized to be taken into account, including opportunity costs, en...
10 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 623 | Lượt tải: 0
Capillary characteristics and applicability of coal bottom ash as an anti-capillary material for coastal constructionsAbstracts: Utilization of Coal bottom ash (CBA) as well as finding the solutions to prevent saline intrusion, meeting the needs of coastal infrastructure development have been considered by the authors of the article for a long time. In this study, the authors focused on analyzing capillary characteristics in order to find a suitable group of CB...
11 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 532 | Lượt tải: 0
Self-Cleaning ability of pollutants containing nitrogen and phosphorus transformed into NH4+, NO2-, NO3-, PO43-, of SonLa hydropower reservoirAbstract: The waste source containing nitrogen (N) and organic phosphorus (P) into the hydropower reservoir will be transformed into pollutants NH4+, NO2-, NO3-, PO43-. Son La hydropower reservoir has an area of 225 km2 of water surface and 10.850 km2 of water supply basin for electricity generation, Son La hydroelectricity plant and dam, which ...
13 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 589 | Lượt tải: 0
