{"title":"人工海岬的海岸侵蚀及海啸对策。在堀堀海岸的堀川海滩上","authors":"T. Uda, A. Kobayashi, T. Yokota","doi":"10.2208/jscejoe.75.i_647","DOIUrl":null,"url":null,"abstract":"The relationship between countermeasures against beach erosion and tsunami was investigated, tak-ing the area around the artificial headland No.12 on Horikawa Beach located in the north part of the Kujukuri coast as an example. On this beach, southwestward longshore sand transport prevails and HLs have been constructed from upcoast, resulting in the expansion of the eroded area ． Also, sand dune with 6 m height has been preserved as a measure against tsunami on this beach, but such sand dune has been eroded while losing its effect. This situation has been investigated by the comparison of aerial photo-graphs and field observation. Urgent measure against beach erosion should be taken so as for the effect of sand dune against tsunami to be maintained.","PeriodicalId":387947,"journal":{"name":"Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"BEACH EROSION AND TSUNAMI COUNTERMEASURE DOWNCOAST OF ARTIFICIAL HEADLAND NO. 12 ON HORIKAWA BEACH ON KUJUKURI COAST\",\"authors\":\"T. Uda, A. Kobayashi, T. Yokota\",\"doi\":\"10.2208/jscejoe.75.i_647\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The relationship between countermeasures against beach erosion and tsunami was investigated, tak-ing the area around the artificial headland No.12 on Horikawa Beach located in the north part of the Kujukuri coast as an example. On this beach, southwestward longshore sand transport prevails and HLs have been constructed from upcoast, resulting in the expansion of the eroded area ． Also, sand dune with 6 m height has been preserved as a measure against tsunami on this beach, but such sand dune has been eroded while losing its effect. This situation has been investigated by the comparison of aerial photo-graphs and field observation. Urgent measure against beach erosion should be taken so as for the effect of sand dune against tsunami to be maintained.\",\"PeriodicalId\":387947,\"journal\":{\"name\":\"Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2208/jscejoe.75.i_647\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2208/jscejoe.75.i_647","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
BEACH EROSION AND TSUNAMI COUNTERMEASURE DOWNCOAST OF ARTIFICIAL HEADLAND NO. 12 ON HORIKAWA BEACH ON KUJUKURI COAST
The relationship between countermeasures against beach erosion and tsunami was investigated, tak-ing the area around the artificial headland No.12 on Horikawa Beach located in the north part of the Kujukuri coast as an example. On this beach, southwestward longshore sand transport prevails and HLs have been constructed from upcoast, resulting in the expansion of the eroded area ． Also, sand dune with 6 m height has been preserved as a measure against tsunami on this beach, but such sand dune has been eroded while losing its effect. This situation has been investigated by the comparison of aerial photo-graphs and field observation. Urgent measure against beach erosion should be taken so as for the effect of sand dune against tsunami to be maintained.
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