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J-GLOBAL ID:201901017136640998   Update date: May. 07, 2025

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  (17):
  • 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
  • 2025 - 2026 気候変動に伴う海岸斜面削剥プロセスと土砂流出の定量的評価-現地観測データを活用した海洋生態系への影響評価-
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Papers (17):
  • Hikaru OSAWA, Issei DOI, Hiroyuki HIRASHIMA, Takashi OKAMOTO. Propagation characteristics of sonic waves in disturbed wet snow. Bulletin of Glaciological Research. 2024. 42. 95-102
  • 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. 91-97
  • 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
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MISC (68):
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Lectures and oral presentations  (75):
  • ベトナム北部山岳地の土地利用に基づく治山計画の検討
    (日本森林学会大会 2025)
  • 2023年5月5日石川県能登地方の地震で被害を受けた斜面の令和6年能登半島地震における被害調査
    (京都大学防災研究所研究発表講演会(令和6年度) 2025)
  • Spatial patterns of sediment discharge in a mountain catchment in northern Vietnam: What the data tell us about the impact of land-use along historical and contemporary contexts
    (American Geophysical Union Annual Meeting 2024 2024)
  • ベトナムにおける治山施設の現状と日本の治山技術の適用可能性
    (日本地すべり学会研究発表会 2024)
  • 再活動型地すべりの最大速度までの変位プロセス
    (日本地すべり学会研究発表会 2024)
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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):
  • 2024/09 - 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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