Application of Remote Sensing and GIS technology for monitoring coastal changes in estuary area of the Red river system, Vietnam

Pham, Thi Lan; Son, Tong Si; Gunasekara, Kavinda; Nhàn, Nguyễn Thị Thanh; Hien, La Phu

doi:10.7848/ksgpc.2013.31.6-2.529

Cited by 9 publications

(4 citation statements)

References 12 publications

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“…The Landsat images used for this study were downloaded from the USGS Earth Explorer web tool (https://earthexplorer.usgs.gov/). The Landsat system has been widely employed in remote sensing applications for monitoring coastal environmental changes and other related studies [20][21][22]. The acquired Landsat images had low cloud cover values (<15%).…”

Section: Shoreline Datamentioning

confidence: 99%

Numerical Analysis of Shoreline Changes along the Coast Batu Hiu-Bojong Salawe, Pangandaran Regency, West Java Province, Indonesia

Subiyanto Subiyanto,

Yuyun Hidayat,

Saeful Anwari

et al. 2024

ARASET

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Shoreline change poses a significant challenge in coastal regions, leading to issues such as abrasion, soil erosion, and the loss of valuable land. This problem is prevalent in various areas of Pangandaran, particularly in the Batu Hiu-Bojong Salawe coastal region of Pangandaran Regency, West Java, Indonesia. The objective of this study is to analyse and quantify the distance and rate of shoreline changes occurring over a decade (2010-2019) in the Batu Hiu-Bojong Salawe coastal area. Utilizing ArcMap software and the Digital Shoreline Analysis System (DSAS), this research aims to provide insights into the coastal dynamics, drawing analytical points from comparable studies for a comprehensive understanding. Batu Hiu's western coast faces substantial erosion (29.70m, LLR 3.10 m/year, EPR 3.22 m/year), while the east experiences accretion (52.76m, LLR/EPR 5.49 m/year, 5.72 m/year). Coastal dynamics, influenced by rocky structures, lead to sedimentation and erosion. Bojong Salawe Beach sees noteworthy accretion (83.01m, LRR/EPR 8.88 m/year, 9.00 m/year), with a maximum at transect 85 (134.5m, LRR 14.27 m/year, EPR 14.58 m/year). Erosion at transects 104 and 107 averages 30.47m, with LLR/EPR rates of 3.41 m/year and 3.3 m/year. The Cijulang River estuary contributes to coastal stability, resulting in significant accretion. This information is vital for coastal management, offering insights to address erosion and accretion impacts in Batu Hiu and Bojong Salawe coastal areas.

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Section: Shoreline Datamentioning

confidence: 99%

Numerical Analysis of Shoreline Changes along the Coast Batu Hiu-Bojong Salawe, Pangandaran Regency, West Java Province, Indonesia

Subiyanto Subiyanto,

Yuyun Hidayat,

Saeful Anwari

et al. 2024

ARASET

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“…The shoreline changes were detected using Landsat images. Remote sensing techniques for shoreline detection include extracting the ratio Green/Near Infrared (Lan et al, 2013), Histogram thresholding on band 5 (Alesheikh et al, 2007), and NDWI (Kuleli et al, 2011). In this paper, the NDWI was used to extract shorelines, and continuing coastal erosion and accretion rates were calculated using the Digital Shoreline Analysis System (DSAS) (Baig et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Shoreline Changes and Their Impacts on Tourism: A Case Study of Sam Son City, Thanh Hoa Province, Vietnam

2022

European Geographical Studies

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Sam Son has over 17 kilometers of coastline, making it advantageous for marine tourism and resort tourism. However, various types of research have confirmed that climate change has impacted on tourism activities. The change in shoreline can have a significant impact on tourism infrastructure, as it can alter the accessibility, safety, and attractiveness of coastal destinations. The aim of the paper is to analyze the shoreline change rate over 33 years (1989−2022) and its impacts on tourism in Sam Son. Multi-temporal satellite images were used to extract shorelines, and Digital Shoreline Analysis Systems (DSAS) was used to detect the rate of shoreline change. The results indicated that the shoreline change of Sam Son can be divided two parts, including the Hoi estuary zone and the Do River estuary area. In the Hoi estuary, the erosion rates range from -2.22 m/yr to -40.32 m/yr. Buiding FLC Sam Son for tourism is one of the causes of loss of sedimentation in this area. Additionally, in the Do River estuary, the rate of accretion has significantly increased, reaching to 9.7 m/yr. This phenomenon of sediment accumulation is the foundation for building resorts to serve tourism in Sam Son.

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“…However, most of these activities have concentrated on mangroves in the Mekong Delta [30,[33][34][35][36][37][38][39][40][41][42][43][44][45] and fewer studies have been conducted in northern Vietnam. Most projects in northern Vietnam are concentrated in the highly developed Red River delta (Region 1 [46]) [47][48][49][50][51] and Hai Phong (Region 1) [52][53][54][55][56]. In the less urbanized coastal southern part of Region 2, mangrove change has either not been documented (Nghe An province) or is limited to the reforestation of mangrove forests from 2005 to 2018 in two districts in Thanh Hoa province [57].…”

Section: Introductionmentioning

confidence: 99%

Mangrove Forest Landcover Changes in Coastal Vietnam: A Case Study from 1973 to 2020 in Thanh Hoa and Nghe An Provinces

Nguyen

Hardy

Le³

et al. 2021

Forests

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Mangrove forests can ameliorate the impacts of typhoons and storms, but their extent is threatened by coastal development. The northern coast of Vietnam is especially vulnerable as typhoons frequently hit it during the monsoon season. However, temporal change information in mangrove cover distribution in this region is incomplete. Therefore, this study was undertaken to detect change in the spatial distribution of mangroves in Thanh Hoa and Nghe An provinces and identify reasons for the cover change. Landsat satellite images from 1973 to 2020 were analyzed using the NDVI method combined with visual interpretation to detect mangrove area change. Six LULC classes were categorized: mangrove forest, other forests, aquaculture, other land use, mudflat, and water. The mangrove cover in Nghe An province was estimated to be 66.5 ha in 1973 and increased to 323.0 ha in 2020. Mangrove cover in Thanh Hoa province was 366.1 ha in 1973, decreased to 61.7 ha in 1995, and rose to 791.1 ha in 2020. Aquaculture was the main reason for the loss of mangroves in both provinces. Overall, the percentage of mangrove loss from aquaculture was 42.5% for Nghe An province and 60.1% for Thanh Hoa province. Mangrove restoration efforts have contributed significantly to mangrove cover, with more than 1300 ha being planted by 2020. This study reveals that improving mangrove restoration success remains a challenge for these provinces, and further refinement of engineering techniques is needed to improve restoration outcomes.

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Application of Remote Sensing and GIS technology for monitoring coastal changes in estuary area of the Red river system, Vietnam

Cited by 9 publications

References 12 publications

Numerical Analysis of Shoreline Changes along the Coast Batu Hiu-Bojong Salawe, Pangandaran Regency, West Java Province, Indonesia

Numerical Analysis of Shoreline Changes along the Coast Batu Hiu-Bojong Salawe, Pangandaran Regency, West Java Province, Indonesia

Shoreline Changes and Their Impacts on Tourism: A Case Study of Sam Son City, Thanh Hoa Province, Vietnam

Mangrove Forest Landcover Changes in Coastal Vietnam: A Case Study from 1973 to 2020 in Thanh Hoa and Nghe An Provinces

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