CiNii
Kannonzaki nature museum
Kano Kazuhiko , Yanagisawa Yukio , Uchimura Kimihiro , Okuno Mitsuru , Nakamura Toshio
… The Moeshima Shell Bed comprises lahar (debris and hyper-concentrated flows) deposits derived from Sakurajima volcano. …
The Journal of the Geological Society of Japan 126(9), 519-535, 2020
J-STAGE
Oda Kenichi , Niiya Hirofumi , Katsuragi Hiroaki
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Summaries of JSSI and JSSE Joint Conference on Snow and Ice Research 2020(0), 23-23, 2020
Kikuchi Akihiko , Hasegawa Takeshi
… This indicates that the YDA was water-saturated and fluidized by river transport and thus able to travel large distances as lahar.</p> …
The Journal of the Geological Society of Japan 126(6), 293-310, 2020
Syarifuddin Magfira , Indri Hapsari Ratih , Legono Djoko , Oishi Satoru , Ganara Mawanda Hanggar , Aisyah Nurnaning , Shimomura Makoto , Nakamichi Haruhisa , Iguchi Masato
… The 3rd International Conference of Water Resources Development and Environmental Protection 12-13 October 2019, MalangSince 2015, collaborative research conducted by Indonesian and Japan scientists has initiated the installation of small X-band Multi-Parameter (X-MP) radars to mitigate the occurrence of rainfall-induced lahar in three active volcanoes in Indonesia and Japan: Merapi, Sinabung, and Sakurajima. …
IOP Conference Series: Earth and Environmental Science (437), 2020
IR
成尾 英仁 , 中摩 浩太郎 , 渡部 徹也 , 鎌田 洋昭 , 西牟田 瑛子 , 松崎 大嗣
第四紀研究 58(2), 図巻頭1p,211-228, 2019-04
Kataoka Kyoko S. , Nagahashi Yoshitaka
Annual Meeting of the Geological Society of Japan 2019(0), 290, 2019
Kawashima Konosuke , Ban Masao , Tsunematsu Kae , Kataoka Kyoko
PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN 2019(0), 232-232, 2019
Niiya Hirofumi , Oda Kenichi , Katsuragi Hiroaki
Summaries of JSSI and JSSE Joint Conference on Snow and Ice Research 2019(0), 252, 2019
Hapsari Ratih Indri , Oishi Satoru , Syarifuddin Magfira , Asmara Rosa Andrie , Legono Djoko
… <p>Lahar flow is recognized as among the worst secondary hazards from volcanic disaster. … Intense rainfall with long duration is frequently associated with lahar flow. … In this study, estimation of a rainfall threshold likely to trigger lahar flow is presented in the first part. … Using past records of lahar flow, the threshold lines separating rainfall that triggers lahars or not were analyzed for the Putih, Gendol, Pabelan, and Krasak Rivers. …
Journal of Disaster Research 14(5), 811-828, 2019
BAN Masao , OIKAWA Teruki , YAMASAKI Seiko , GOTO Akio , YAMAMOTO Mare , MIURA Satoshi
… Next, phreatic eruptions from Okama crater or other place inner part of Umanose caldera will occur, and may cause ballistic materials release, ash fall, pyroclastic surge, and lahar. …
BULLETIN OF THE VOLCANOLOGICAL SOCIETY OF JAPAN 64(2), 131-138, 2019
Imura Takumi , Ohba Tsukasa , Nakagawa Mitsuhiro
… The 4.7 ka Ground Crater pyroclastic flow deposit, the 3.3 ka Ground Crater pyroclastic flow deposits, and the 1926 AD lahar deposits were examined. …
The Journal of the Geological Society of Japan 125(3), 203-218, 2019
Naruo Hideto , Nakama Kotaro , Watanabe Tetsuya , Kamada Hiroaki , Nishimuta Eiko , Matsusaki Hirotugu
… This document noted that it rained during the eruption followed by a Lahar deposit. …
The Quaternary Research (Daiyonki-Kenkyu) 58(2), 211-228, 2019
SUZUKI Takehiko , KOBAYASHI Makoto , NISHIZAWA Fumikatsu , SHIRAI Masaaki
<b>はじめに</b><br>国内最大の流域面積をもつ利根川は現在，関東平野中央部で分流して一部は東京湾に注ぐ．しかし流量の約60%は千葉県銚子に流下し太平洋に注ぐ．これに対して縄文時代前期ないしは8世紀初頭までは荒川低地を流下し，その後江戸時代の利根川東遷事業までは中川・東京低地をへて東京湾に注いでいた（小暮2011）．この流路変遷は地形発達や人工改変などの観 …
Proceedings of the General Meeting of the Association of Japanese Geographers 2019s(0), 157, 2019
Gonda Yutaka , Miyata Shusuke , Fujita Masaharu , Legono Djoko , Tsutsumi Daizo
… For hazard mitigation against lahar disasters after an eruption, it is essential to evaluate the current risk of occurrence and estimate any possible temporal changes for the future. … A judgement graph was employed to track the temporal changes of lahar- triggering rainfall characteristics. … For the 1984–1985 and 1985–1986 rainy seasons discriminant lines, which discriminate between rainfall events triggering lahar flow with peak discharge > …
Journal of Disaster Research 14(1), 61-68, 2019
Iguchi Masato
… The concept of debris flow potential was applied to volcanoes in Indonesia as lahar potential. … After the 2010 eruption at Merapi volcano, lahar potential, perhaps, quasi-exponentially decays during the dormant period. … The lahar potential of Sinabung volcano complicatedly varies because of long-term eruptivity beginning in 2014.</p> …
Journal of Disaster Research 14(1), 126-134, 2019
Hambali Roby , Legono Djoko , Jayadi Rachmad , Oishi Satoru
… <p>Rainfall monitoring is important for providing early warning of lahar flow around Mt. Merapi. …
Journal of Disaster Research 14(1), 69-79, 2019
Putra Santosa Sandy , Ridwan Banata Wachid , Yamanoi Kazuki , Shimomura Makoto , Sulistiyani , Hadiyuwono Dicky
… The radar was also able to capture nearby 40–50% of the heavy rainfall events that pose risks of lahar. … These results indicate that the radar sensitivity in detecting the extreme rainfall events must receive higher priority in future developments, especially for applications to the existing Mt. Merapi lahar early warning systems.</p> …
Journal of Disaster Research 14(1), 80-89, 2019
澤田 恵美 , 木村 勝彦 , 八塚 槙也 , 中村 俊夫 , 宮本 毅 , 中川 光弘 , 長瀬 敏郎 , 菅野 均志 , 金 旭 , 奥野 充 , Sawada Megumi , Kimura Katsuhiko , Yatsuzuka Shinya , Nakamura Toshio , Miyamoto Tsuyoshi , Nakagawa Mitsuhiro , Nagase Toshiro , Kanno Hitoshi , Jin Xu , Okuno Mitsuru
福岡大学理学集報 = Fukuoka University science reports 48(2), 43-48, 2018-09
Kataoka Kyoko S. , Matsumoto Takane , Saito Takeshi , Kawashima Katsuhisa , Nagahashi Yoshitaka , Iyobe Tsutomu , Sasaki Akihiko , Suzuki Keisuke
… The present contribution describes and discusses the contrasting features of the two post-eruptive lahars, which caused a major impact on downstream river morphology, and re-examines the description of the syn-eruptive lahar in the previous study. … The first post-eruptive lahar occurred 8 days after the eruption by the rainstorm (October 5, 2014, before the snowy season), and the second lahar was associated with the rain-on-snow (ROS) event on April 20, 2015, in the early spring of the snowmelt season. …
Earth, Planets and Space (70), 2018-07-05
SYARIFUDDIN Magfira , OISHI Satoru , HAPSARI Ratih Indri , LEGONO Djoko
水工学論文集 Annual journal of Hydraulic Engineering, JSCE 62, Ⅰ_1483-1488, 2018