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Region of freshwater influence (ROFI) and its impact on sediment transport in the lower Mekong Delta coastal zone of Vietnam
Environmental Monitoring and Assessment Số 7, năm 2022 (Tập 194, trang -)
ISSN: 1676369
ISSN: 1676369
DOI:
Tài liệu thuộc danh mục:
Article
English
Từ khóa: Environmental Monitoring; Geologic Sediments; Rivers; Vietnam; Mekong Delta; Viet Nam; Budget control; Sediment transport; Sedimentation; Suspended sediments; Water; Accretion and erosion; Bedload sediments; Coastal and regional ocean community model; Community model; Fresh Water; Large amounts; Mekong Delta; Mekong River; Region of freshwater influence; Viet Nam; accretion; bedload; coast; coastal erosion; impact; sediment transport; Article; bedload sediment; controlled study; environmental parameters; environmental protection; particle resuspension; region of freshwater influence; river; river delta; seashore; sediment; sediment accretion; sediment erosion; sediment transport; sedimentology; Viet Nam; chemistry; environmental monitoring; procedures; river; sediment; Erosion
Tóm tắt tiếng anh
The delta of the Mekong River is one of the largest in the world, with the Mekong River carrying a large amount of sediments in its Region of Freshwater Influence (ROFI). This study investigates the flow structure and movement of both suspended and bedload sediments in the ROFI of the Lower Mekong Delta (LMD) in order to identify areas prone to sediment accretion and erosion. This is accomplished by applying the three-dimensional Coastal and Regional Ocean COmmunity (CROCO) model and then calculating the sediment budget of different stretches of the coastline. The model outputs, depicting areas experiencing sediment accretion and erosion along the coastline of the LMD, are then compared against observations obtained during the period 1990–2015 and demonstrate the ability of the model to identify areas particularly prone to erosion and where preventive actions against coastal erosion should focus. © 2022, The Author(s), under exclusive licence to Springer Nature Switzerland AG.
