New Profile Fitting Approach for Estimating Beach Recession Resulting From Sea-Level Rise

Cho, Wonchul; Yoon, Jong Sung; Hur, Dong-Soo; Lee, Jung L.

doi:10.1142/9789814689977_0079

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“…The nature of the effects, which require decades to emerge, can be partially attributed to the above factors. However, contrary to the diverse quantitative analyses conducted by Bruun [11], Zang [12], and Cho et al [13], on the effects of the sea level rise on coastal erosion, which have been extensively analyzed, the methodology for a temporal interpretation of the effects of coastal erosion due to changes in the environment, including the loss of sand resulting from the installation of submerged breakwaters or a reduced amount of sediment, is yet to be presented.…”

Section: Introductionmentioning

confidence: 99%

Estimation of Background Erosion Rate at Janghang Beach due to the Construction of Geum Estuary Tidal Barrier in Korea

Lee

2020

JMSE

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In this study, a reduction in sediment budget due to the development of a river watershed, resulting in coastal erosion, was reviewed, and the rate of background erosion was calculated through an examination of the loss of coastal sediment into the open sea. The west coast of the Korean peninsula is severely impacted by the intercept of inflowing sediments from rivers, owing to the watershed development. However, the effects have not fully propagated into the entire coastal area, and thus, the long-term coastal erosion remains insignificant. However, a serious and irrevocable disaster may occur once the coastal erosion begins. Therefore, an analysis of the coastal erosion resulting from changes in the sediment budget, due to the development of the watershed, was conducted on Janghang Songrim Beach. A littoral cell of the Geum River was selected for a quantitative analysis of the decrease in the sediment budget from the watershed development. The rate of coastal sediment loss offshore, which reflects the characteristics of the Janghang Songrim Beach, and the future rate of coastal erosion were calculated. Then, the results were verified by employing geometrically corrected satellite photographs from previous years. This will enable us to predict the time of coastal erosion in the future due to a reduction in the sediment budget and watershed development, and prepare for future disasters resulting from the coastal erosion. Based on research into the components constituting the coastal development, the present study presents theoretical formulae allowing the prediction of the sediment budget and providing a practical contribution to the prevention of coastal erosion, for which additional reliable studies need to be conducted.

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Section: Introductionmentioning

confidence: 99%

Estimation of Background Erosion Rate at Janghang Beach due to the Construction of Geum Estuary Tidal Barrier in Korea

Lee

2020

JMSE

View full text Add to dashboard Cite

show abstract

New Profile Fitting Approach for Estimating Beach Recession Resulting From Sea-Level Rise

Cited by 1 publication

References 0 publications

Estimation of Background Erosion Rate at Janghang Beach due to the Construction of Geum Estuary Tidal Barrier in Korea

Estimation of Background Erosion Rate at Janghang Beach due to the Construction of Geum Estuary Tidal Barrier in Korea

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