Review of Research Progress on the Influence of Groundwater Discharge on Seabed Stability

Submarine groundwater discharge (SGD) refers to the flow of groundwater that enters seawater through the seabed surface at the edge of the coastal shelf. During this discharge process, seepage and initiation can easily trigger seabed instability, which significantly influences the breeding, occurren...

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Main Authors: Zhentian Jia, Hongxian Shan, Hanlu Liu, Zhengrong Zhang, Long Jiang, Siming Wang, Yonggang Jia, Yongzheng Quan
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Journal of Marine Science and Engineering
Subjects:
Online Access:https://www.mdpi.com/2077-1312/13/3/560
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author Zhentian Jia
Hongxian Shan
Hanlu Liu
Zhengrong Zhang
Long Jiang
Siming Wang
Yonggang Jia
Yongzheng Quan
author_facet Zhentian Jia
Hongxian Shan
Hanlu Liu
Zhengrong Zhang
Long Jiang
Siming Wang
Yonggang Jia
Yongzheng Quan
author_sort Zhentian Jia
collection DOAJ
description Submarine groundwater discharge (SGD) refers to the flow of groundwater that enters seawater through the seabed surface at the edge of the coastal shelf. During this discharge process, seepage and initiation can easily trigger seabed instability, which significantly influences the breeding, occurrence, and evolution of marine geological events. The narrow distribution of land near the coastline and the substantial flux of groundwater discharge are closely associated with typical seabed geological events, such as submarine landslides and collapse pits, which are prevalent in the sea area. This paper analyzes the current research status of SGD both domestically and internationally, elucidates the interaction mechanisms between groundwater discharge and the seabed, and integrates existing studies on discharge-induced slope instability, collapse pit formation, and seabed erosion and resuspension. It summarizes and evaluates the existing research on the influence of seabed groundwater discharge on the evolution of seabed geological structures, identifies key scientific problems that urgently need to be addressed, and proposes future research directions that require further emphasis. Additionally, the paper conducts research on the mechanisms by which groundwater discharge affects seabed stability, providing valuable insights for the study of coastal zones in China. It also offers a scientific basis for enhancing the understanding of the generation mechanisms of marine geological events and improving the technological capabilities for their prevention and control.
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issn 2077-1312
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publishDate 2025-03-01
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series Journal of Marine Science and Engineering
spelling doaj-art-33f02dde544042b38d291b0f7c7452372025-08-20T03:43:36ZengMDPI AGJournal of Marine Science and Engineering2077-13122025-03-0113356010.3390/jmse13030560Review of Research Progress on the Influence of Groundwater Discharge on Seabed StabilityZhentian Jia0Hongxian Shan1Hanlu Liu2Zhengrong Zhang3Long Jiang4Siming Wang5Yonggang Jia6Yongzheng Quan7Institute of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, ChinaInstitute of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, ChinaInstitute of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, ChinaInstitute of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, ChinaInstitute of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, ChinaInstitute of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, ChinaInstitute of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, ChinaInstitute of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, ChinaSubmarine groundwater discharge (SGD) refers to the flow of groundwater that enters seawater through the seabed surface at the edge of the coastal shelf. During this discharge process, seepage and initiation can easily trigger seabed instability, which significantly influences the breeding, occurrence, and evolution of marine geological events. The narrow distribution of land near the coastline and the substantial flux of groundwater discharge are closely associated with typical seabed geological events, such as submarine landslides and collapse pits, which are prevalent in the sea area. This paper analyzes the current research status of SGD both domestically and internationally, elucidates the interaction mechanisms between groundwater discharge and the seabed, and integrates existing studies on discharge-induced slope instability, collapse pit formation, and seabed erosion and resuspension. It summarizes and evaluates the existing research on the influence of seabed groundwater discharge on the evolution of seabed geological structures, identifies key scientific problems that urgently need to be addressed, and proposes future research directions that require further emphasis. Additionally, the paper conducts research on the mechanisms by which groundwater discharge affects seabed stability, providing valuable insights for the study of coastal zones in China. It also offers a scientific basis for enhancing the understanding of the generation mechanisms of marine geological events and improving the technological capabilities for their prevention and control.https://www.mdpi.com/2077-1312/13/3/560groundwater dischargeseabed stabilityseabed geological eventsformation mechanism
spellingShingle Zhentian Jia
Hongxian Shan
Hanlu Liu
Zhengrong Zhang
Long Jiang
Siming Wang
Yonggang Jia
Yongzheng Quan
Review of Research Progress on the Influence of Groundwater Discharge on Seabed Stability
Journal of Marine Science and Engineering
groundwater discharge
seabed stability
seabed geological events
formation mechanism
title Review of Research Progress on the Influence of Groundwater Discharge on Seabed Stability
title_full Review of Research Progress on the Influence of Groundwater Discharge on Seabed Stability
title_fullStr Review of Research Progress on the Influence of Groundwater Discharge on Seabed Stability
title_full_unstemmed Review of Research Progress on the Influence of Groundwater Discharge on Seabed Stability
title_short Review of Research Progress on the Influence of Groundwater Discharge on Seabed Stability
title_sort review of research progress on the influence of groundwater discharge on seabed stability
topic groundwater discharge
seabed stability
seabed geological events
formation mechanism
url https://www.mdpi.com/2077-1312/13/3/560
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