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J-GLOBAL ID:201901017136640998   Update date: Jun. 05, 2024

Osawa Hikaru

オオサワ ヒカル | Osawa Hikaru
Affiliation and department:
Job title: Senior Researcher
Research field  (3): Atmospheric and hydrospheric science ,  Human geoscience ,  Forest science
Research keywords  (12): Hydrology ,  Geomorphology ,  Landslide ,  Landslides ,  Snowmelt ,  Groundwater ,  Vadose zone ,  Field monitoring ,  Hydrological modeling ,  Landslides in cold regions ,  Coastal landslides ,  Earthquake induced landslides
Research theme for competitive and other funds  (16):
  • 2024 - 2027 積雪内部における氷板の生成が水分浸透に及ぼす影響の解明とモデル化
  • 2024 - 2027 極端気象に伴う降雪量の変動が地すべり活動へ及ぼす影響
  • 2023 - 2027 付加体堆積岩山地における水文・地盤情報カップリングによる雨水貯留・排水特性の把握
  • 2022 - 2027 地震動の時空間的ばらつきを考慮した高精度な地震時の斜面安定性評価手法の開発
  • 2021 - 2025 Understanding the sediment dynamics in high-relief mountains as a system of multi-spatiotemporal scales
Show all
Papers (16):
  • Hikaru Osawa, Shinichi Tosa, Sumio Matsuura, Tatsuya Shibasaki, Issei Doi, Takashi Okamoto. Development and application of a high-resolution monitoring system for a large-displacement rapid landslide. Journal of the Japan Landslide Society. 2024. 61. 3. 15-21
  • Shinichi TOSA, Tatsuya SHIBASAKI, Yusuke MURAI, Nobuya HAGIWARA, Takashi OKAMOTO, Hikaru OSAWA. Pressure gauge installation using a lightweight boring machine at Busuno Landslide, Niigata Prefecture, Japan : Case study of static and dynamic pore-water pressure observation. Journal of the Japan Landslide Society. 2024. 61. 2. 54-59
  • Hikaru Osawa, Yuki Matsushi, Sumio Matsuura, Takashi Okamoto. Semiempirical modeling of the transient response of pore pressure to rainfall and snowmelt in a dormant landslide. Landslides. 2023. 21. 2. 245-256
  • Sumio Matsuura, Hikaru Osawa, Tatsuya Shibasaki. Destruction of Matsuno tunnel in Ban'etsu West Railway Line due to 1917 landslide during snowmelt period. Journal of the Japan Landslide Society. 2023. 60. 4. 154-160
  • Issei Doi, Sumio Matsuura, Hikaru Osawa, Tatsuya Shibasaki, Shinichi Tosa. Effects of slope instability on coseismic landslide susceptibility during earthquakes. Bulletin of Engineering Geology and the Environment. 2022. 81. 12
more...
MISC (67):
  • 積雪斜面における選択的な水の流れに関するレビューと今後の課題. Seppyo. 2023. 85. 1. 36-38
  • 平島寛行, 大澤光, 山口悟, AVANZI Francesco. Lateral flow simulation of liquid water in the snowpack - Reproduction simulation for tracer experiment and multi compartment lysimeter data -. 雪氷研究大会講演要旨集(Web). 2022. 2022
  • 平島寛行, 山口悟, AVANZI Francesco, WEVER Nander, 大澤光. Reproduction simulation of nonuniform discharge by lateral flow using multi-dimensional water transport model. 雪氷研究大会講演要旨集(Web). 2021. 2021
  • 大澤光, 土井一生, 荒井紀之, 山川陽祐, 渡壁卓磨. Estimation of subsurface structure in the linear depression spreading over the landslide crown. 日本地球惑星科学連合大会予稿集(Web). 2021. 2021
  • 渡壁卓磨, 大澤光, 荒井紀之, 土井一生, 山川陽祐. Initiation factors of an incised meandering river in steep mountainous terrain: a case study of the Higashigouchi River with high-angle bedding plane. 日本地球惑星科学連合大会予稿集(Web). 2021. 2021
more...
Lectures and oral presentations  (60):
  • Estimation of subsurface structures in a landslide area with linear depressions
    (2023)
  • Land-use change, landform transformation and their geomorphic impacts in mountain catchments in northern Vietnam
    (2023)
  • Heterogeneous seismic wave propagation inside a landslide estimated from dense seismic observation (Part 2)
    (2023)
  • 北海道釧路町の海岸地すべりにおける稠密地震観測
    (京都大学防災研究所研究発表講演会 2023)
  • 妙高山域の幕ノ沢において 2022 年 2 月 21 日に発生した乾雪表層雪崩
    (雪氷研究大会(2022・札幌) 2022)
more...
Education (1):
  • 2013 - 2018 Kyoto University Graduate School of Science Division of Earth and Planetary Sciences
Professional career (1):
  • Ph. D. (Science) (Kyoto University)
Work history (5):
  • 2023/04 - 現在 Forestry and Forest Products Research Institute Erosion Control Laboratory Senior Researcher
  • 2021/07 - 現在 University of Tsukuba Part-time lecturer
  • 2021/04 - 2023/03 Forestry and Forest Products Research Institute Erosion control laboratory Researcher
  • 2018/11 - 2021/03 University of Tsukuba Ikawa Forest Station, Mountain Science Center, Faculty of Life and Environmental Sciences Assistant Professor
  • 2018/04 - 2018/10 Disaster Prevention Research Institute Geohazards Research Group Researcher
Committee career (3):
  • 2018/11 - 現在 日本地すべり学会 地震地すべり研究委員会
  • 2018/11 - 2024/03 日本地すべり学会 雪氷圏の地すべり研究委員会
  • 2020/04 - 2021/03 筑波大学山岳科学センター 共同利用教育拠点運営委員会
Awards (5):
  • 2024/05 - Japan Landslide Society Research encouragement award
  • 2020/10 - 日本地すべり学会 第59回研究発表会若手優秀発表賞 地すべり地における多雪年と少雪年の間隙水圧応答の比較
  • 2017/10 - The Japan Landslide Society Landslide Photo Contest, Excellent Award
  • 2015/09 - International Association of Engineering Geology and the Environment 10th Asian Regional Conference of IAEG, Excellent Paper Award Effects of Snow Load on Water Infiltration in the Ground Surface Layer of a Landslide
  • 2013/08 - The Japan Landslide Society Young Poster Award
Association Membership(s) (4):
Japanese Geomorphological Union ,  The Japanese Society of Snow and Ice ,  JAPAN GEOSCIENCE UNION ,  THE JAPAN LANDSLIDE SOCIETY
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