Lan Tran Dinh

Institute of Marine Environment and Resource | IMER · Marine Database and Remote Sensing

Huong, D.T.T.; Lan, T.D., and Le, D.T., 2024. Environmental conflicts with tourist beach uses along the northeastern Vietnam coast. Journal of Coastal Research, 40(1), 104–114. Charlotte (North Carolina), ISSN 0749-0208. NE Vietnamese beaches possess economic and ecological value, particularly in the areas of international importance, such as the H...

The environmental impact of coastal sand mining activities in Hai Phong city was assessed using ten proposed sustainable criteria for socio�economic development, and ecological and environmental protection. These ten criteria were developed by the analysis of the Dynamics�Pressure-State-Impact-Response (DPSIR) framework, including one driver and...

Huong, D.T.T. and Lan, T.D., 2022. Ecosystem sustainability assessment using an economic valuation index for selected offshore islands in Vietnam. Journal of Coastal Research, 38(6), 11281134. Coconut Creek (Florida), ISSN 0749-0208. Two sites around Bach Long Vi Island (North Vietnam) and Tho Chu islands (South Vietnam) were selected to perform an...

The environmental quality of 6 famous sand beaches of the Ha Long - Cat Ba area was surveyed in July 2018 (the rainy season) and March 2019 (the dry season). The results showed that the pore water layer below the sand surface contained some pollutants exceed the critical value of QCVN 10:2015/BTNMT for coastal water and ASEAN criteria, including TS...

Tourism development plays a crucial role in creating employment, boosting the revenue of the economy, supporting to improve the living standard. While tourism provides many opportunities to improve the well-being of local communities, the expansion of tourism needs to be effectively managed to avoid the degradation of natural capital. Assessing res...

This book deals with the major biodiversity characteristics and conservation values of the Tam Giang - Cau Hai wetland protected area in Thua Thien Hue province, Vietnam. The materials for written manuscript of this book based on the comprehensive studies of research team under the Institute of Marine Environment and Resources in long term period....

The environmental quality of 6 famous sand beaches of the Ha Long - Cat Ba area was surveyed in July 2018 (the rainy season) and March 2019 (the dry season). The results showed that the pore water layer below the sand surface contained some pollutants exceeding the critical value of QCVN 10:2015/BTNMT for coastal water and ASEAN-criteria, including...

The application of remote sensing for deriving bathymetry has been widely applied in the world due to the effectiveness of the method as well as its economic efficiency. This study applies Stump's model to Sentinel 2 images to determine the depth in the coastal area of Bach Long Vy island. The process of bathymetry deriving of shallow water along t...

Economic valuation indices of ecosystems in Con Co Island, Vietnam were developed for translating scientific results into management and user friendly systems. Main methods employed for the study are indicator and index development published worldwide. With data set collected for years in the study area, indices were proposed and calculated using...

Anh (2021) asserts that the sediment budget model by Ve et al. (2021) of the subaqueous Red River Delta (RRD) is inaccurate because of some fundamental flaws in the DEM analysis and budget estimation. In fact, bathymetric data from the two earliest charts have been validated with data from a survey carried out over a short time span (1927–1930) and...

Trong vài thập kỷ trở lại đây, các hoạt động của con người bao gồm: đắp đê, làm thủy lợi, xây hồ chứa v.v... đã và đang tác động rất lớn đến lưu vực các hệ thống sông trên thế giới. Các nghiên cứu đã chỉ ra rằng khoảng 53 % lượng trầm tích được lắng đọng lại trên các hồ chứa là kết quả của quá trình xây dựng các hệ thống đập thủy lợi (James P.M. Sy...

Intertidal and larger marine ecosystems surrounding the islands of Bach Long Vi (Northern Vietnam), Con Co (Central Vietnam) and Tho Chu (Southernmost Vietnam) which have typical and valuable ecosystems are planned as marine protected areas. They are the study area of this paper on identification and estimation of these ecosystem services. The tota...

Thirty-two surface sediment samples were collected in the Thanh Hoa coastal area, from the shore to a depth of 30 m. Grain sizes and the contents of 14 major and trace metals were measured with the goal of assessing the impact from the mainland to the coastal area of Thanh Hoa. The sand fraction ranged from 0.5 to 82.7%, and the mud fraction ranged...

The Red River sediment dispersal system has been increasingly altered by human activities, but the resultant morphodynamic change and sediment budget in the Red River Delta (RRD) has been little studied in a holistic perspective. In this study, time-series analysis of river water and sediment discharges from 1960 to 2010 was carried out to trace hu...

The results of research on characteristic of distribution and taxa structure of Chlorophytes (Chlorophyta) at nine islands of Truong Sa archipelago (Truong Sa, Da Tay, Thuyen Chai, Toc Tan, Sinh Ton, Nam Yet, Song Tu Tay, Da Nam and Son Ca) indicate that there are 67 species of Chlorophytes, they belong to 4 orders, 14 families and 22 genera. The n...

The fast growth of Hai Phong ports in the two last decades requires not only their upgrading facilities but also expanding port area and dredging their shipping channels (existing and new ones) that generate a huge amount of unreused dredged materials. While all existing dumping sites in sea waters and onland get over capacity, looking for new dump...

Ha Long Bay is an attractive landscape and a center of dynamic economic activity; however, it is subject to negative impacts from tourism, activity in its harbor, mining, industry, and urbanization, which is evidenced by the presence of pollutants, including heavy metals, in surface sediment at the bay. To ascertain the extent of the anthropogenic...

Seagrasses in Truong Sa archipelago have not been intensively studied and understood, even in some obviously progressive works recently published. It is essential to carry out much more researches to fill up understanding gaps of seagrasses in the area. In 2019, within the framework of the project coded KC09.29/16–20, two surveys were conducted for...

Toxic chemicals strictly controlled by the International Maritime Organization (IMO) are dangerous goods which can potentially cause environmental degradation in maritime transport. Within the seaports of Hai Phong - Quang Ninh, the volume of toxic chemicals accounted for about 1% of container throughput (over 56 million tons per year, 2017) and ma...

n 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 purposes. Moreover,...

Quần đảo Trường Sa là một tập hợp gồm nhiều đảo san hô, cồn cát, rạn đá (ám tiêu) san hô nói chung (trong đó có rất nhiều rạn san hô vòng, tức rạn vòng hay rạn đá san hô vòng, "đảo" san hô vòng) và bãi ngầm rải rác từ 6°12' đến 12°00' vĩ Bắc và từ 111°30' đến 117°20' kinh Đông, ở giữa biển Đông. Do sở hữu hàng trăm rạn san hô rải rác khắp một vùng...

Up to now, there are some difference researches about water turbidity in the Do Son coastal area. Based on the results of the 3 dimensional numerical model, this paper present some assessments bout the influence of wave action on the distribution and suspended sediment concentration variation in the Hai Phong coastal area in general and Do Son beac...

The paper presents the results of simulating the impact of sand mining on sediment transport and morphological change in Hai Phong coastal area based on Delft3D model. Scenario groups are established: Present scenarios without sand mining and simulated scenarios of the present sand mining (assuming 30% sand compared to plan). The scenario groups ar...

In recent years, sand mining activities are taking place strongly in Hai Phong coastal area. These activities have been causing negative impacts on the area such as abrasion and accreation. The paper uses Delft3D model to predict the impact of the sand mining on morphological changes in this area according to different scenarios. The results show t...

Vùng cửa sông Văn Úc có vị trí quan trọng đến sự phát triển kinh tế xã hội của thành phố Hải Phòng. Tuy nhiên, đây cũng là một trong những khu vực chịu ảnh hưởng của nước biển dâng do biến đổi khí hậu. Dựa trên cách tiếp cận tổng hợp với hệ thống mô hình thủy động lực-vận chuyển bùn cát và biến động địa hình đáy trong mô hình Delft3D, các nhóm kịch...

This paper presents the results of analysis, comparison of some characteristics of current, wave at Van Uc estuary area when being affected by sea level rise due to climate change based on Delft3D model. Scenario groups are established: The current scenario and the scenarios simulating effect of sea level rise 0.5 m and 1.0 m. The results of calcul...

Located in the estuary region of the Red - Thai Binh river system, in which the estuarine turbidity maxima occur, the deposition of navigation in waterways to Hai Phong ports is always an urgent problem that needs to be solved. At the present time, it is not easy to use dredged sediment for landfilling or other purposes. Moreover, it is also diffic...

Located in the western coast Gulf of Tonkin, the Red River delta (RRD) is the fourth-largest delta in Southeast Asia, after the Mekong, Irrawaddy, and Chao Phraya deltas, in terms of delta plain area. By the high significant contribution on the socioeconomic development in the North Vietnam, many studies on the morphological change in the RRD have...

River deltas are the best place to study intense human–earth interactions and the resultant morphological changes and sedimentary records. The coastal evolution history of the Red River Delta (RRD) is examined by time-series analysis of multiple coastline locations. We find that spatiotemporal variation in seawall locations and vegetation lines are...

Tidal flats in the north of Vietnam from Quang Ninh to Ninh Binh provinces are impacted by land–ocean interaction processes and human activities. The flats are experiencing erosion in some parts and accretion in others, as well as the accumulation of pollutants. This study examines core samples extracted from the region to systematically quantify c...

Polychlorinated biphenyls (PCBs), well-known as an important scientific achievement, are now considered as one of the most persistent organic pollutants (POPs) that need to be strictly controlled and forbidden worldwide (the Stockholm convention on POPs). Vietnam is one of the countries that encounters with serious issues from PCB contamination. Th...

Coastal erosion has become a worldwide concern, typically in the densely populated Asian mega-river deltas. Severe coastal erosion in the southern Red River Delta (RRD) has been intensively studied. Coastal morphological change in the northern RRD was examined in detail through DEM (Digital Elevation Model) analysis based on time series of bathymet...

Both China and Vietnam confront the challenges of natural geohazards and environmental changes in their deltas and coastal zones due to rapid urbanization, economic development, and the impacts of global climate change. China and Vietnam initiated a comparative study of the Holocene sedimentary evolution of the Yangtze River Delta (YRD) and Red Riv...

Located near center of the Gulf of Thailand, the Tho Chu island group is approximately far 160 km from Ca Mau southwestwards, and 100 km from Phu Quoc island northwestwards. This group consists of 8 islands, of which the largest Tho Chu island is of 12.15 km2 wide and 167 m high, and composes of clastic sedimentary rocks. Despite the greatest dista...

The model system for the Hai Phong coastal area was set up based on the wave climate condition between 1992-2014 and the MORFAC (the morphological acceleration factor) method in the Delft3D model. The model results of more than 50 separate simulated scenarios show the role of each wave interval and direction on characteristics of sediment transport...

Chuyên khảo trình bày và công bố nghiên cứu định lượng thành tiền các giá trị sử dụng trực tiếp, gián tiếp và lưu tồn của các hệ sinh thái biển tiêu biểu ở các vùng đảo tiền tiêu Bạch Long Vĩ, Cồn Cỏ và Thổ Chu trên cơ sở tiếp cận kinh tế sinh thái, góp phần xây dựng chính sách, chiến lược sử dụng và khai thác bền vững biển đảo Việt Nam.

Climate change induced sea-level rise (SLR) is on its increase globally. Regionally the lowlands of China, Vietnam, Bangladesh, and islands of the Malaysian, Indonesian and Philippine archipelagos are among the world’s most threatened regions. Sea-level rise has major impacts on the ecosystems and society. It threatens coastal populations, economic...

Bioremediation technology has been emergently considered as an economic and environmental-friendly manner to treat inorganic nitrogen in tropically coastal aquaculture ponds. Two laboratory scale experiments were conducted to examine efficacy of nitrogen removal of some bioremediators. The results indicated that total ammonia nitrogen (TAN) and nit...

This article assessed the quality of beaches in the northeastern coastal area of Vietnam via the Beach Quality Index (BQI) which is popularly applied in many countries. The BQI is combined from beach functional indices about recreation, ecology, and protection. The BQI was applied in 9 sandy beaches in the study area. The results show that most of...

Cities host more than half of the world population, receive every week 1.4 billion commuters, show the highest density of assets, and generate over 85% of the GDP worldwide. Most of them are localized at the borders of the continents or in major estuaries, providing these fast growing coastal cities with a significant blue water aspect. The idea of...

Based on ecosystem values of coastal waters in Con Co island estimated in the national project coded KC09.08/11-15, indices of ecosystem values were developed and calculated with three components: direct use value index (Idev) of 40.2, indirect use value index (Iidev) of 55.2 and non-use value index (Inuv) of 100. An index of the total ecosystem ec...

Đảo Cồn Cỏ nguồn gốc núi lửa bazan, dạng đồi đẳng thước rộng 2,3 km2, cao 63 m, nằm cách xa bờ 24 km. Đảo có vị trí lẻ loi ở cửa vịnh Bắc Bộ và khá gần bờ Việt Nam. Mặc dù diện tích đảo nhỏ, nhưng các đặc điểm về hình thể và cấu trúc không gian, cấu tạo địa chất; diện tích, độ cao và cảnh quan sinh thái; động lực và tính ổn định... đã tạo ra giá tr...

Cleaner production " (CP) emerged in the aftermath of the 1987 Brundtland Commission (WCED, 1987) call for less and more efficient energy and materials use efficiency and the suggestion to substitute more harmful products (for the environment and health) by less dangerous ones. Cleaner production was the reply of industry to the inter-sectorial and...

“Producción más limpia” (CP) surgió a raíz de la Comisión Brundtland de 1987 con el objetivo de requerir menos energía y de manera más eficiente con respecto a su uso, sugiriendo sustituir los productos más nocivos (por el medio ambiente y la salud) por menos peligroso; la pro-ducción más limpia, fue la respuesta de la industria a la llamada inters...

This paper presents some results on the influences of dynamic processes on morphological change in the Mekong River mouth area. The roles of these dynamic processes were assessed by the MORFAC (the morphological acceleration factor) method (Delft3d model) and analysis of 50 scenarios. Study Results show that wave and river are dominant factors impa...

Chuyên khảo trình bày và công bố một cách hệ thống nghiên cứu đánh giá sử dụng bền vững các hệ sinh thái đất ngập nước triều thông qua sử dụng khung Động lực – Sức ép – Hiện trạng – Tác động – Đáp ứng (DPSIR) để xây dựng các chỉ thị và chỉ số đánh giá tính bền vững của các hệ sinh thái dưới tác động của thiên nhiên và con người hướng tới sử dụng th...

LỜI NÓI ĐẦU Vùng bờ Hải Phòng nằm chuyển tiếp giữa đới bờ châu thổ sông Hồng và đới bờ Đông Bắc, có địa hình và cảnh quan tự nhiên phong phú, đa dạng, đặc sắc và nhiều cảnh đẹp, tạo nên một bức tranh thu nhỏ của đất nước. Trong phạm vi một vùng bờ mà có cả núi rừng và đồng bằng, biển và hải đảo, sông hồ dày đặc, vùng cửa sông có cả loại châu thổ nh...

This paper presents some study results on morphological change in the coastal region of Mekong River under the influences of sea water level rise. In order to setup the models, measured data were collected, systematically, processing and homogeneously to create open boundaries condition (time-serial data) for the model. Open sea boundaries conditio...

Bach Long Vi island is an offshore district in the centre of the Gulf of Tonkin in Vietnam and administratively belongs to Hai Phong city. The island surrounded by abundant marine ecosystems with high biodiversity is one of 16 marine protected areas approved by the Prime Minister of Vietnam on 26/5/2010 according to the Decision No.742/QD-TTg. Curr...

This paper presents the results of application of a 3D (three-dimensional) numerical model to study on MTZ (maximum turbidity zone) in the coastal zone of Mekong River Delta. In this study, a 3D system model with combination of hydrodynamics—wave and suspended sediment transport was set up and validated with measured data in the study area. Based o...

The coastal areas of the Thu Thien Hue province play an important role in biodiversity conservation. In the context of global climate change, sea level rise, this area become more and more sensitive with natural hazards such as: flood, erosion… This paper aims to assess environmental vulnerability in the coastal areas of Than Thien Hue province tha...

In the last years, marine science and technology activities in Vietnam have achieved significant success and remarkably contributed to social - economic development, protection of natural resources and the environment, ensuring national security, sovereignty and benefits at sea. However, these results are limited by the inconsiderable experts, limi...

Thanks to many precious conservation values which have been researched in detail, along with the management efforts of Hai Phong City and the Ministry of Agriculture and Rural Development, the Bach Long Vy National Marine Protected Area has been established. This is the first marine protected area in Vietnam that the Prime Minister signed the decis...

Evaluating the economic valuation of ecosystem services in general and marine ecosystem service in particular in Vietnam has little attention in studying, even though there is highly urgent demand of this work dealing with problems in natural resources management, protection, territory planning, sustainable development as well as education in Vietn...

This volume is on DPSIR, a tool approach developed by the OECD in the Nineties and subsequently applied by the EU Commission. They spotted DPSIR as an item of interest in its ability to put together 'drivers', 'pressures', 'state', 'impacts', and responses to change caused by any stressor. The assessment of sustainability use of natural resources a...

This paper presents some results of application a three dimension (3D) numerical model to study and assessment morphological change in Mekong estuary-coastal area. Measures data were collected and systematically processing and homogeneously in order to create open boundaries condition (time-serial) for the model. Sea boundaries conditions of the mo...

This paper presents the results of application a 3D numerical model to study on maximum turbidity zone (MTZ) in the coastal zone of Mekong river Delta. In this study, a 3D system model with combination of hydrodynamics - wave and suspended sediment transport was setup and validation with measured data in the study area. Base on calculated scenarios...

In this reseach, the remote sensing data combined to field survey data and existing results of reseaches were used to evaluate and analyse distribition change of the typical ecosystems in the Quang Ninh coastal area such as mangrove forest, tidal flat, coral reef and seagrass bed. During the 20 last years, these ecosystems have been reduced largely...

Three basic approaches in resources valuation have been applied worldwide as well as initially used in Vietnam generally and in marine ecosystems particularly, including Impact Analysis Valuation, Partial Valuation and Total Economic Valuation. However, studying results in Vietnam are still limited and not taken into account all ecosystem values. R...

Sustainable use of coastal ecosystems in the case studies of some partner countries of SECOA project, including Belgium, India, Israel, Portugal and Vietnam was assessed through sustainability indicator analysis and index calculation. The outcomes were shown quantitatively with values of sustainability indices of the coastal ecosystem at time point...

Bach Dang estuary is the second bigest estuaries and plays important roles in Vietnam (after Dong Nai estuary) where there are existing Haiphong Seaport and will be Lach Huyen deep-water port in the future. This estuary consists of high abundant in natural resources concerning of tidal channels and ecosystems such as mangroves and tital flats etc....

The expects from USA (School of Marine Science, College of William and Mary, and North Carolina State University), and Vietnam (Institute of Environment and Resources) jointed to survey and study the Holocene sediments in the Gulf of Tonkin, focused offshore from the Red River. By two oceanographic cruises conducted in November of 2010 and May of 2...

Bach Dang estuary is the second bigest estuaries and plays important roles in Vietnam (after Dong Nai estuary) where there are existing Haiphong Seaport and will be Lach Huyen deep-water port in the future. This estuary consists of high abundant in natural resources concerning of tidal channels and ecosystems such as mangroves and tital flats etc....

Resulting from the project "Building database of marine resources and environment in Thanh Hoa province", the status distribution maps of coastal ecosystems such as tidal flats, mangroves, aquaculture ponds, seaweed and seagrass beds, coral reefs; land cover and landuse have been established based on data from satellite images (SPOT and ALOS) and f...

This chapter provides analysis and assessment of three outstanding environmental conflicts in Hai Phong and Nha Trang cities in Vietnam. They are conflicts between port development (including widening of Hai Phong port and building new port Lach Huyen) and biodiversity protection; industrial development and environmental protection in Hai Phong...

LỜI NÓI ĐẦU Đảo Bạch Long Vĩ thuộc thành phố Hải Phòng, nằm trong hệ tọa độ địa lý 20°07'35" và 20°08'36" vĩ độ Bắc và 107°42'20" - 107°44'15" kinh độ Đông. Do có vị trí đặc biệt là một bộ phận của khối nâng nghịch đảo kiến tạo trên nền rift địa phương được hình thành trong Kainozoi sớm tại vùng chuyển tiếp giữa các bể Sông Hồng ở phía Tây Nam, bể...

LỜI NÓI ĐẦU Việt Nam có vị thế đặc biệt quan trọng ở Đông Nam Á nhờ có vùng lãnh thổ rộng lớn gồm phần đất liền rộng trên ba trăm ngàn kilomét vuông nằm dọc bờ Tây Biển Đông theo hướng á kinh tuyến và phần biển rộng trên một triệu kilomét vuông, gấp ba lần diện tích đất liền. Biển Việt Nam nằm trong khu vực nhiệt đới gió mùa, có các sông lớn cỡ thế...