Ki-Hwan Lee, Hee-Young Ahn, In-Seop Kim, Yong-Ju Seo, Song Eu, Jun-Pyo Seo, Choong-Sik Woo
{"title":"Urban Expansion and Landslide Risk: Investigating the August 2022 Landslide Events in South Korea","authors":"Ki-Hwan Lee, Hee-Young Ahn, In-Seop Kim, Yong-Ju Seo, Song Eu, Jun-Pyo Seo, Choong-Sik Woo","doi":"10.13101/ijece.17.35","DOIUrl":"https://doi.org/10.13101/ijece.17.35","url":null,"abstract":"","PeriodicalId":378771,"journal":{"name":"International Journal of Erosion Control Engineering","volume":" 433","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141364572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Case Study of the Evaluation of Slip Surfaces using Mineralogical, Chemical, and Physical Tests","authors":"M. Okawara, Yoshinori Hotta, Rina Kubo, Tamotsu Teramura, Tatsuya Sato, Syunsuke Ohtubo, Sachihiko Ozawa","doi":"10.13101/ijece.17.15","DOIUrl":"https://doi.org/10.13101/ijece.17.15","url":null,"abstract":"","PeriodicalId":378771,"journal":{"name":"International Journal of Erosion Control Engineering","volume":"31 26","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140732287","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
N. Harada, Masamitsu Fujimoto, Y. Satofuka, Takahisa Mizuyama
{"title":"Feasibility of Using Permeable Block Sabo Dams Incorporating Breakwater Structures for Volcanic Sediment Management","authors":"N. Harada, Masamitsu Fujimoto, Y. Satofuka, Takahisa Mizuyama","doi":"10.13101/ijece.17.27","DOIUrl":"https://doi.org/10.13101/ijece.17.27","url":null,"abstract":"","PeriodicalId":378771,"journal":{"name":"International Journal of Erosion Control Engineering","volume":"17 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140728451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Characteristics of Slope Failures Seen outside the Designated Landslide-prone Areas","authors":"Naoki Kawahara, N. Osanai, Hiroaki Nakaya","doi":"10.13101/ijece.16.13","DOIUrl":"https://doi.org/10.13101/ijece.16.13","url":null,"abstract":"","PeriodicalId":378771,"journal":{"name":"International Journal of Erosion Control Engineering","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128584767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yoshinori Hotta, Koki Sawano, Koichiro Yokota, M. Okawara
{"title":"Evaluation of Slip Surface Strength of a Pseudo-Slip Surface Created by Cutting Rock Samples","authors":"Yoshinori Hotta, Koki Sawano, Koichiro Yokota, M. Okawara","doi":"10.13101/ijece.16.22","DOIUrl":"https://doi.org/10.13101/ijece.16.22","url":null,"abstract":"","PeriodicalId":378771,"journal":{"name":"International Journal of Erosion Control Engineering","volume":"196 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131474608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
K. Yokoyama, T. Egusa, Takashi Ikka, Hiroto Yamashita, F. Imaizumi
{"title":"Effects of Shallow Groundwater on Deep Groundwater Dynamics in a Slow-Moving Landslide Site","authors":"K. Yokoyama, T. Egusa, Takashi Ikka, Hiroto Yamashita, F. Imaizumi","doi":"10.13101/ijece.16.1","DOIUrl":"https://doi.org/10.13101/ijece.16.1","url":null,"abstract":"","PeriodicalId":378771,"journal":{"name":"International Journal of Erosion Control Engineering","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128316760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hideto Ochi, Y. Shimoda, Yosuke Nishio, R. P. Machado
{"title":"Sediment-related Disasters in Petrópolis, Brazil, on February 15 and March 20, 2022","authors":"Hideto Ochi, Y. Shimoda, Yosuke Nishio, R. P. Machado","doi":"10.13101/ijece.15.31","DOIUrl":"https://doi.org/10.13101/ijece.15.31","url":null,"abstract":"","PeriodicalId":378771,"journal":{"name":"International Journal of Erosion Control Engineering","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131424608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Toshiyuki Kon, C. Tsou, Takashi Koi, Yusuke Yamamoto, N. Koiwa, Ryuzo Noda, M. Irasawa, Kiyokazu Kato, Hiroshi Tsushima, Hiroshi Mori, Hideya Iwata, Tatsuya Sato, H. Ikeda, Yushi Kudo, Motoshiko Kobayashi, K. Arai, Chieko Kuroiwa, Yukina Koga, Takeaki Ishikawa, Misa Tsushima, Eiji Nagano, J. Miura, Haruka Saito, Reona Kawakami
On August 10, 2021, a total of 454 landslides and debris flows in the northern part of the Shimokita Peninsula, Aomori, Japan, resulted in one of the major natural disasters in the region in recent years. Large amounts of rainfall of 385 mm fell on 9 and 10 August, due to low atmospheric pressure and the consequent Typhoon Lupit (No. 9) passing over the Sea of Japan. The event resulted in landslides, flooding, and damage to houses, roads, bridges, and carried large wood and debris into the rivers, which caused blockages at dam locations. Landslides occurred mainly in the fluvial dissected Koakakawa and Ohakakawa River Basins and on the steep slopes of costal terrace scarps nearby Yakeyamasaki. Landslides were primarily associated with weathered tuffaceous mudstone and weathered andesitic green-colored tuff in the Koakakawa and Ohakakawa Basins and weathered pyroclastic flow, colluvium, and gravel layers nearby the Yakeyamasaki. Pipping holes were observed within or at the bottom of weathered tuffaceous mudstone, weathered pyroclastic flow, and colluvium, suggesting the landslide occurrence may have been caused by the amount of groundwater present.
{"title":"Landslide Hazards Induced by Heavy Rainfall in August 2021 in the Northern Part of the Aomori Prefecture, Japan","authors":"Toshiyuki Kon, C. Tsou, Takashi Koi, Yusuke Yamamoto, N. Koiwa, Ryuzo Noda, M. Irasawa, Kiyokazu Kato, Hiroshi Tsushima, Hiroshi Mori, Hideya Iwata, Tatsuya Sato, H. Ikeda, Yushi Kudo, Motoshiko Kobayashi, K. Arai, Chieko Kuroiwa, Yukina Koga, Takeaki Ishikawa, Misa Tsushima, Eiji Nagano, J. Miura, Haruka Saito, Reona Kawakami","doi":"10.13101/ijece.15.22","DOIUrl":"https://doi.org/10.13101/ijece.15.22","url":null,"abstract":"On August 10, 2021, a total of 454 landslides and debris flows in the northern part of the Shimokita Peninsula, Aomori, Japan, resulted in one of the major natural disasters in the region in recent years. Large amounts of rainfall of 385 mm fell on 9 and 10 August, due to low atmospheric pressure and the consequent Typhoon Lupit (No. 9) passing over the Sea of Japan. The event resulted in landslides, flooding, and damage to houses, roads, bridges, and carried large wood and debris into the rivers, which caused blockages at dam locations. Landslides occurred mainly in the fluvial dissected Koakakawa and Ohakakawa River Basins and on the steep slopes of costal terrace scarps nearby Yakeyamasaki. Landslides were primarily associated with weathered tuffaceous mudstone and weathered andesitic green-colored tuff in the Koakakawa and Ohakakawa Basins and weathered pyroclastic flow, colluvium, and gravel layers nearby the Yakeyamasaki. Pipping holes were observed within or at the bottom of weathered tuffaceous mudstone, weathered pyroclastic flow, and colluvium, suggesting the landslide occurrence may have been caused by the amount of groundwater present.","PeriodicalId":378771,"journal":{"name":"International Journal of Erosion Control Engineering","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116954968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Knowing the groundwater dynamics in landslide areas is very important for numerically analyzing slope stability and for planning countermeasure works. This review summarized the observation methods of groundwater within the landslide mass and groundwater inflow into it and classified them into direct and indirect methods. Direct methods such as groundwater level observation and groundwater logging can reveal the temporal and spatial fluctuations of the groundwater level and the depths of groundwater flow layers. The direct methods are still central for understanding groundwater dynamics in landslide areas. However, the information obtained with the methods is limited to the location surveyed. Indirect methods have been remarkably developed in recent years. Airborne electromagnetic surveys rapidly provide wide-area groundwater information in steep mountainous areas where workers are difficult to enter, or large landslides occur. In addition, a method of quantifying the sound of groundwater flow to determine the flow paths of groundwater has been put to practical use. Although the indirect methods have the advantage of providing information in wide areas, they have the risk to misidentify or overlook groundwater. Direct methods and indirect methods can complement each other’s shortcomings. The combination of direct and indirect methods can provide detailed information on spatiotemporal groundwater distribution over wide areas efficiently in term of cost and labor. This enables a more accurate analysis of landslide sliding and more effective construction of landslide countermeasure works.
{"title":"A Review of Groundwater Observation Methods for Slow-Moving Landslide","authors":"K. Yokoyama, F. Imaizumi, T. Egusa","doi":"10.13101/ijece.15.7","DOIUrl":"https://doi.org/10.13101/ijece.15.7","url":null,"abstract":"Knowing the groundwater dynamics in landslide areas is very important for numerically analyzing slope stability and for planning countermeasure works. This review summarized the observation methods of groundwater within the landslide mass and groundwater inflow into it and classified them into direct and indirect methods. Direct methods such as groundwater level observation and groundwater logging can reveal the temporal and spatial fluctuations of the groundwater level and the depths of groundwater flow layers. The direct methods are still central for understanding groundwater dynamics in landslide areas. However, the information obtained with the methods is limited to the location surveyed. Indirect methods have been remarkably developed in recent years. Airborne electromagnetic surveys rapidly provide wide-area groundwater information in steep mountainous areas where workers are difficult to enter, or large landslides occur. In addition, a method of quantifying the sound of groundwater flow to determine the flow paths of groundwater has been put to practical use. Although the indirect methods have the advantage of providing information in wide areas, they have the risk to misidentify or overlook groundwater. Direct methods and indirect methods can complement each other’s shortcomings. The combination of direct and indirect methods can provide detailed information on spatiotemporal groundwater distribution over wide areas efficiently in term of cost and labor. This enables a more accurate analysis of landslide sliding and more effective construction of landslide countermeasure works.","PeriodicalId":378771,"journal":{"name":"International Journal of Erosion Control Engineering","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115145158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
F. Imaizumi, N. Osanai, Shinyu Kato, M. Koike, K. Kosugi, Y. Sakai, Hiroshi Sakaguchi, Y. Satofuka, Shoki Takayama, Takafumi Tanaka, Y. Nishi
On the morning of July 3, 2021, a large debris flow occurred at the Aizome River in the Izusan district of Atami, Shizuoka Prefecture. The debris flow caused extensive damage, causing the death of 26 people, leaving one person missing, and damaging 128 houses (as of October 1, 2021). The Japan Society of Erosion Control Engineering set up the “Emergency Investigation Team of the Landslide in Atami, Shizuoka in July 2021” to understand the actual situation of the disaster and study the future countermeasures. The team conducted a field survey with the cooperation of Shizuoka Prefecture on August 12. This report summarizes characteristics of the debris flow as obtained from the field survey.
{"title":"Debris flow disaster in Atami, Japan, in July 2021","authors":"F. Imaizumi, N. Osanai, Shinyu Kato, M. Koike, K. Kosugi, Y. Sakai, Hiroshi Sakaguchi, Y. Satofuka, Shoki Takayama, Takafumi Tanaka, Y. Nishi","doi":"10.13101/ijece.15.1","DOIUrl":"https://doi.org/10.13101/ijece.15.1","url":null,"abstract":"On the morning of July 3, 2021, a large debris flow occurred at the Aizome River in the Izusan district of Atami, Shizuoka Prefecture. The debris flow caused extensive damage, causing the death of 26 people, leaving one person missing, and damaging 128 houses (as of October 1, 2021). The Japan Society of Erosion Control Engineering set up the “Emergency Investigation Team of the Landslide in Atami, Shizuoka in July 2021” to understand the actual situation of the disaster and study the future countermeasures. The team conducted a field survey with the cooperation of Shizuoka Prefecture on August 12. This report summarizes characteristics of the debris flow as obtained from the field survey.","PeriodicalId":378771,"journal":{"name":"International Journal of Erosion Control Engineering","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131655929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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