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Intergrating the diversity characteristics to design a quantitative landscape regionalization framework: Case study of Van Chan district, Yen Bai province
Abstract: Landscape regionalization plays an important role in delineating the heterogeneous characteristics of territory, and provide the spatial fundamental data for natural resource planning and environmental protection activities. The integrating of the diversity indices (landscape metrics) is expressed the change of landscape structure by t...
11 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 499 | Lượt tải: 0
Application of ferrate as coagulant and oxidant alternative for purifying Saigon river water
Abstract: In this study, we aimed to use ferrate as an all-in-one alternative for the removal of chlorine-consumed compositions such as organic, color, turbidity, iron, and manganese in river water for water supply purposes. Ferrate (FeO42-) was simultaneously employed as coagulant and oxidant for purification of Saigon River water in order to r...
7 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 577 | Lượt tải: 0
Assessing the possibility of appearing RIP Current at Quy Nhon beach, Binh Dinh province
Abstract: RIP current is a strong, popular water flow at beaches in Vietnam as well as in the world, with the direction of flow from the shore to the sea. This is a dangerous flow, each year there are unfortunate accidents for swimmers. This study used the measured data source implemented by the Center for Environmental Fluid Dynamics in 2018 to...
14 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 550 | Lượt tải: 0
Phân tích quan hệ giữa biến động sử dụng đất và biến đổi của một số yếu tố khí hậu, thiên tai tại tỉnh Hà Tĩnh
Tóm tắt. Biến đổi khí hậu gia tăng tần suất, cường độ hạn hán, ngập lụt, hoang mạc hóa. là một trong những nguyên nhân quan trọng gây biến động đất sản xuất nông nghiệp tại tỉnh Hà Tĩnh. Để phân tích ảnh hưởng của một số các yếu tố khí hậu và thiên tai đến biến động sử dụng đất nông nghiệp ở tỉnh Hà Tĩnh trong giai đoạn 2005 - 2015 chúng tôi đã ...
8 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 823 | Lượt tải: 0
Building a travel advisory system using WebGIS technology for tourism development in Quang Binh, Vietnam
Abstract: Tourism is one of the smokeless industries that has been developing rapidly, opening up many job opportunities as well as socio-economic development for many countries around the world. In Vietnam, the role of the tourism industry in the development of the country has been well recognized and has received early investment attention fro...
7 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 645 | Lượt tải: 0
Analyzing the displacement of horizon geodetic network at Tuyen Quang hydropower
Abstract: The world mathematicians given many method to adjust the free network, in which the confirmation that the first norm of the solution vectors must minimizing to be the standard for finding the solution in a multitude of solutions. This also conform with the weight transformation process in the deformation model to find the solution for ...
15 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 564 | Lượt tải: 0
Biostratigraphical characteristics of Late Miocene coaly sediments in the Southeastern Red River Delta
Abstract: Late Miocene biostratigraphy of coaly sediments in the Southeastern Red River Delta are basically interpreted from the analyses of foraminifera, palynology with referencing analyses of petrographic thin section, grain-size and physicochemistry, from the samples of 3 boreholes. Late Miocene/Pliocene stratigraphical boundary is marked by...
16 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 526 | Lượt tải: 0
Assessment of indoor and ambient air pollution at complex buildings in Hanoi
Abstract: The most typical air pollutants including PM10, CO, SO2, NOx are monitored at different sites indoor (basement, shopping malls) and outdoor (ambient air) of several complex buildings which are used for different purposes of resident, office, and shopping malls in Hanoi. The results show that the indoor air pollution concentrations tend...
8 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 725 | Lượt tải: 0
Modeling the Red-Shanked Douc (Pygathrix nemaeus) distribution in Vietnam using Maxent
Abstract: The Red-shanked Douc (Pygathrix nemaeus) is the only douc species recorded in all three countries of Indochina. It is classified as Endangered by IUCN, and is believed to have experienced a major drop of more than 50% of its population over the last 40 years. The known distribution of main P. nemaeus populations in Vietnam ranges from ...
11 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 743 | Lượt tải: 0
Implementation of tropical cyclone detection scheme to CCAM model for seasonal tropical cyclone prediction over the Vietnam east sea
Abstract: This study has selected a vortex tracking algorithm scheme for simulating the activity of tropical cyclone in the Vietnam East Sea by CCAM model. The results show that the CCAM model is able to simulate well the large scale in each month through a reasonable description of the movement rules of the tropical cyclone in the study area. T...
12 trang | Chia sẻ: thanhle95 | Ngày: 05/07/2021 | Lượt xem: 563 | Lượt tải: 0