Study on the Impact of Super Heavy Rainfall on the Beach of Xiamen Island

On May 7, 2018, Xiamen Island was hit by extraordinary rainstorm (once in more than 100 years), which had a serious impact on the beaches in the southeast of the island. In this study, RTK GPS, leather ruler, ruler, drone and other equipment were used to investigate and estimate the degree of damage...

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Main Authors: Yubin WENG, Shunliang YANG, Dongbo ZHAO
Format: Article
Language:zho
Published: Editorial Office of Ocean Development and Management 2022-01-01
Series:Haiyang Kaifa yu guanli
Subjects:
Online Access:http://www.haiyangkaifayuguanli.com/hykfyglen/ch/reader/view_abstract.aspx?file_no=20220112&flag=1
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author Yubin WENG
Shunliang YANG
Dongbo ZHAO
author_facet Yubin WENG
Shunliang YANG
Dongbo ZHAO
author_sort Yubin WENG
collection DOAJ
description On May 7, 2018, Xiamen Island was hit by extraordinary rainstorm (once in more than 100 years), which had a serious impact on the beaches in the southeast of the island. In this study, RTK GPS, leather ruler, ruler, drone and other equipment were used to investigate and estimate the degree of damage. A total of 10 shore sections including 22 beaches were washed out along the 10.78 kilometers beach in the southeast of Xiamen Island. The total length of the damaged shore line was 6.1 kilometers, accounting for 57% of the investigated beach. A total of 28 gullies were found and the damaged area was estimated to be 20, 286 m2. This extraordinary rainstorm was estimated to result in more than 40, 000 m3 sand being carried away. The damage could be due to the pavement of impermeable surface along the coastal zone which formed strong surface runoff on the sloping terrain when the extraordinary rainstorm occurred. The current was strong enough to erode the sand and stone steps and lawn, and even form gully. Based on the degree of damage and damage cause of individual beach, several remediation and restoration plans were suggested to recovery the beach. This study can provide some references for the future beach maintenance.
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spelling doaj.art-8d1886bf366f4cf983ef194761bbfad02023-01-10T06:42:19ZzhoEditorial Office of Ocean Development and ManagementHaiyang Kaifa yu guanli1005-98572022-01-0139182871005-9857(2022)01-0082-06Study on the Impact of Super Heavy Rainfall on the Beach of Xiamen IslandYubin WENGShunliang YANGDongbo ZHAOOn May 7, 2018, Xiamen Island was hit by extraordinary rainstorm (once in more than 100 years), which had a serious impact on the beaches in the southeast of the island. In this study, RTK GPS, leather ruler, ruler, drone and other equipment were used to investigate and estimate the degree of damage. A total of 10 shore sections including 22 beaches were washed out along the 10.78 kilometers beach in the southeast of Xiamen Island. The total length of the damaged shore line was 6.1 kilometers, accounting for 57% of the investigated beach. A total of 28 gullies were found and the damaged area was estimated to be 20, 286 m2. This extraordinary rainstorm was estimated to result in more than 40, 000 m3 sand being carried away. The damage could be due to the pavement of impermeable surface along the coastal zone which formed strong surface runoff on the sloping terrain when the extraordinary rainstorm occurred. The current was strong enough to erode the sand and stone steps and lawn, and even form gully. Based on the degree of damage and damage cause of individual beach, several remediation and restoration plans were suggested to recovery the beach. This study can provide some references for the future beach maintenance.http://www.haiyangkaifayuguanli.com/hykfyglen/ch/reader/view_abstract.aspx?file_no=20220112&flag=1marine geologycoastal beachsuper heavy rainerosion lossbeach restoration
spellingShingle Yubin WENG
Shunliang YANG
Dongbo ZHAO
Study on the Impact of Super Heavy Rainfall on the Beach of Xiamen Island
Haiyang Kaifa yu guanli
marine geology
coastal beach
super heavy rain
erosion loss
beach restoration
title Study on the Impact of Super Heavy Rainfall on the Beach of Xiamen Island
title_full Study on the Impact of Super Heavy Rainfall on the Beach of Xiamen Island
title_fullStr Study on the Impact of Super Heavy Rainfall on the Beach of Xiamen Island
title_full_unstemmed Study on the Impact of Super Heavy Rainfall on the Beach of Xiamen Island
title_short Study on the Impact of Super Heavy Rainfall on the Beach of Xiamen Island
title_sort study on the impact of super heavy rainfall on the beach of xiamen island
topic marine geology
coastal beach
super heavy rain
erosion loss
beach restoration
url http://www.haiyangkaifayuguanli.com/hykfyglen/ch/reader/view_abstract.aspx?file_no=20220112&flag=1
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AT shunliangyang studyontheimpactofsuperheavyrainfallonthebeachofxiamenisland
AT dongbozhao studyontheimpactofsuperheavyrainfallonthebeachofxiamenisland