• Impacts of pollution discharges from Dinh Vu industrial zone on water quality in the Hai Phong coastal areaImpacts of pollution discharges from Dinh Vu industrial zone on water quality in the Hai Phong coastal area

    Abstract The hydrodynamic and water quality models (the Delft3D model) were established based on the measured data and the estimated pollution discharges from Dinh Vu industrial zones to Nam Trieu estuary. With seven separate simulation scenarios, the results show that in case of increased wastewater with the control of pollution discharge (wat...

    pdf15 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 529 | Lượt tải: 0

  • Characteristics of fish fauna in marine ecosystems in the World Biosphere Reserve of Cu Lao Cham - Hoi AnCharacteristics of fish fauna in marine ecosystems in the World Biosphere Reserve of Cu Lao Cham - Hoi An

    Abstract Assessments of fish fauna in the World Biosphere Reserve of Cu Lao Cham - Hoi An were based on analyses of data of visual censuses and samples collected at 5 sites of nipa palm, 9 sites of seagrass beds and 15 sites of coral reefs in June 2016, 200 samples from 25 fishing gears in wet and dry seasons (November 2015 and June 2016), and ...

    pdf16 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 613 | Lượt tải: 0

  • Initial evaluation of nitrogen uptake of Thalassia hemprichii in Nha Trang, Khanh HoaInitial evaluation of nitrogen uptake of Thalassia hemprichii in Nha Trang, Khanh Hoa

    Abstract The uptake rate of nitrate by leaves and roots was simultaneously investigated in the seagrass T. hemprichii collected from Lo river, Nha Trang. The principle of nutrient uptake of seagrass was based on the approaches of the Michaelis-Menten model. The laboratory experiments of nitrate uptake were done the ranges of ambient nitrate con...

    pdf9 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 434 | Lượt tải: 0

  • Research on contradictions and priorities in integrated planning of the coastal space in Hai Hau - Nghia Hung districts, Nam Dinh provinceResearch on contradictions and priorities in integrated planning of the coastal space in Hai Hau - Nghia Hung districts, Nam Dinh province

    Abstract Hai Hau - Nghia Hung are two coastal districts in the Southeast of Nam Dinh province with total area of 35,652.29 km2. Located in the middle between the Southern provinces of the Red river delta and the North Central provinces, Hai Hau and Nghia Hung are about 100 km from Hanoi along National Route 1A and 80 km from Hai Phong, in an ar...

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  • Remote sensing of atmosphere and underlying surface using radiation of global navigation satellite systemsRemote sensing of atmosphere and underlying surface using radiation of global navigation satellite systems

    ABSTRACT: This paper is devoted to solving the problem of atmosphere diagnosis using radiation of the global navigation satellites. New methods for diagnosing the meteorological situation, the refractive state of the troposphere and underlying surface based on the behavior of navigation signals are proposed. The model of the mapping function tha...

    pdf7 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 513 | Lượt tải: 0

  • The flattened seabed characters at the nearshore islands of VietnamThe flattened seabed characters at the nearshore islands of Vietnam

    Abstract Flattened seabed characters at the nearshore islands, namely Bach Long Vi, Con Co, Ly Son, Phu Quy, Hon Khoai and Tho Chu, were analysed based on depth contour map with 1 m vertical resolution and the application of ArcMap 10.4 software. Consequently, a series of seabed cross sections was automatically created by using the software, wh...

    pdf10 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 446 | Lượt tải: 0

  • Water quality of Ba Lat estuaryWater quality of Ba Lat estuary

    Abstract Ba Lat estuary is the large mouth of the Red river; every year, the Ba Lat estuary receives million cubic meters of water before the water is dissolved in the sea. Therefore, polluted materials in the water from the continent are also transported to the sea through the estuary. However, the volume of the water pouring into the sea vari...

    pdf9 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 474 | Lượt tải: 0

  • Assessment of possibility of dumping site selection for dredged materials from shipping channels in Hai Phong coastal watersAssessment of possibility of dumping site selection for dredged materials from shipping channels in Hai Phong coastal waters

    Abstract In order to keep essential depths in shipping channels to and from Hai Phong ports, regular dredging activities are maintained with about 3.6 million tons of sediments per year. Due to almost all the sediments of dredged material in the channels are composed of mud and silt, they are not easy to be used for land filling or other purpos...

    pdf13 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 510 | Lượt tải: 0

  • Studying and forecasting the evolution of the Day river coastal zone up to the year of 2070Studying and forecasting the evolution of the Day river coastal zone up to the year of 2070

    Abstract The Day river coastal zone is the place of plentiful and eventful economical activities and the natural habitat of diverse endemic species that should be preserved and developed. According to the updated geological, remote-sensing and oceanographic data sources, this study figures out the actual state, evolutional history and forecasts...

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  • Coastal zones of the Red river delta and Yangtze river deltaCoastal zones of the Red river delta and Yangtze river delta

    Abstract The Red river delta coastal area (Vietnam) and Yangtze river delta coastal area (China) not only play an important role in developmental process of each country but also show typical characteristics of hydrodynamics and sediment dynamics of estuaries and delta coastal areas. Based on previous studied results of hydro-sediment dynamics ...

    pdf13 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 499 | Lượt tải: 0