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Publications
Publications (22)
Vietnam has been witnessing rapid urbanization, which has altered urban livelihood and caused various challenges. In this chapter, after overviewing the cultural and environmental impacts of urbanization in Vietnamese cities, we illustrate the current status and challenges of these issues through case studies in Hanoi, Danang, Hue, and their surrou...
: Hoa Vang district in Da Nang city, is frequently affected by floods. This research was conducted to generate a flood map in Hoa Vang District, Da Nang City, during the peak flooding period in 2022, using Sentinel 1 imagery on the Google Earth Engine (GEE) cloud computing platform. The research also aims to assess the impact of this flooding event...
This study applied remote sensing methods combining GIS and machine learning (ML) in landslide assessment and zonation for the western mountainous area of Nghe An province, Vietnam. Factors affecting landslide susceptibility are analyzed and included in the assessment model including terrain elevation, slope, aspect, flow accumulation, geomorpholog...
The objective of this research was to map the drought risk in Hoa Vang district, Da Nang city, and analyze the variability of drought events from 1991 to 2020 using remote sensing imagery. To achieve this, remote sensing and GIS methods were utilized to gather information on land surface temperature and the Normalized Difference Vegetation Index (N...
The study utilized satellite imagery data including Landsat 7 and Landsat 9 combined with Google Earth Engine to classify and evaluate the urban land cover for the period from 2012 to 2022. Supervised classification based on random forest algorithm has been carried out on Google Earth Engine cloud-computing platform to map the urban land cover of T...
Vulnerability is one of the main constructing factors in flood risk management. One of the most significant purposes of assessing the vulnerability to flood is to provide scientific basis for more effective policy making process. The impact level of flood is varied for each region, system, and community; therefore, the vulnerability is not identica...
Coral reef ecosystems are under enormous pressure from human use and global climate change, particularly in the nearshore region. Cu Lao Cham Island and its surrounding water is a highly biodiverse marine area, it is home to 290 coral species together 370 species of underwater plant life, and nearly 280 reef fish species. Human activities like indi...
Floods have always been associated with widespread devastation and destruction since the emergence of human civilization. Assessment of vulnerability is the primary objective of flood hazard management. This study makes a credible attempt to present a coherent review on the approaches and methodologies used for assessing flood vulnerability to impr...
This study implemented an index-based approach to monitor drought in the Vu Gia – Thu Bon river basin using remote sensing data and Google Earth Engine (GEE) cloud computing services. Landsat’s time-series remote sensing data are effectively used to calculate various drought indices. In this investigation, we evaluated the performance of various re...
This study has implemented an index-based approach for monitoring the droughts in the Vu Gia – Thu Bon river basin using remote sensing data and the Google Earth Engine cloud computing service. Landsat series remotely sensed data had been used effectively for the time-series calculation of the indices related to the drought hazard. In this study, w...
Economic growth has dominated development strategies and goals for many years, but prosperity encompasses more than that. In 2013, UN-Habitat proposed the City Prosperity Initiative (CPI) as a tool to quantify cities' prosperity and sustainable development. The CPI is accompanied by six essential components with 62 indicators associated with the ur...
This study proposed a comprehensive approach that utilized PlanetScope imagery for classifying tropical-marine benthic habitats after retrieving bathymetry from ICESat-2 data and water-column correction for areas around Lyson Islands, Vietnam. Exact bathymetry derivation and water column correction were applied to the PlanetScope imagery, making it...
Nghiên cứu này được thực hiện với mục tiêu là đánh giá vai trò của các yếu tố môi trường trong đo lường chỉ số thịnh vượng đô thị của thành phố Đà Nẵng trong giai đoạn từ 2004 đến 2019. Phương pháp xác định các chỉ số về môi trường dựa trên khung tiếp cận bộ chỉ số thịnh vượng đô thị do UN-Habitat xây dựng. Kết quả nghiên cứu cho thấy rằng giá trị...
This paper has developed a cost-efficient framework for flood vulnerability assessment at a local scale using a multi-parametric approach integrated with the Open Source Geographical Information System (GIS) and Open Remote Sensing data. The study focuses on generating a set of criteria considering three dimensions of flood vulnerability: exposure,...
The increasing unpredictable floods due to the effect of climate change across regions of Vietnam have threaten the country’s socio-economic development goals at local, regional and national scales. This paper employs indicator-based approach to calculate Flood Vulnerability Index and generates vulnerability maps that reflect the spatial distributi...
Danang is a coastal city in the Central Region, VietNam which is considered as a sensitive area under the high risks of natural disasters and climate change. Located in downstream of Vu Gia - Thu Bon river system, Da Nang city is often inundated in flood season. Hoa Vang district is considered as the most flood damaged region in Danang City due to...
In order to create reliable DEM from limited altitude data, it is necessary to effectively use the curved surface estimation method. One of the methods available for estimating DEM using altitude data is BS-Horizon (Nonogaki et al., 2012) which is based on cubic B-spline and exterior penalty function. In this study, the parameter settings for the e...
Flooding is one of the most commonly occurring natural hazards worldwide. Multiple geomorphic factors such as elevation, slope, topographic wetness index and distance from the river channel impact on flood J susceptibility. Determining the effect of each factor and integration of their influence on flood hazard zonation has become an essential need...
Global Digital Elevation Model (DEM) is considered as vital spatial information and finds wide use in several applications. Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Global DEM (GDEM) and Shuttle Radar Topographic Mission (SRTM) DEM offer almost global coverage and provide elevation data for geospatial analysis. However...
Global Digital Elevation Model is considered as very useful spatial information and find wide use in several applications. ASTER Global Digital Elevation Model (GDEM) and Shuttle Radar Topographic Mission Digital Elevation Model (SRTM DEM) offer almost global coverage and provide elevation data for geospatial analysis. However, GDEM and SRTM are st...