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J-GLOBAL ID：200901016386213714   Update date: Oct. 14, 2024

Hirasawa Naohiko

ヒラサワ ナオヒコ | Hirasawa Naohiko
Affiliation and department：
National Institute of Polar Research Polar Meteorology and Glaciology

About National Institute of Polar Research Polar Meteorology and Glaciology


Job title： Assistant Professor
Homepage URL  (1)： http://polaris.nipr.ac.jp/~hira/
Research field  (4)： Atmospheric and hydrospheric science ,  Atmospheric and hydrospheric science ,  Atmospheric and hydrospheric science ,  Atmospheric and hydrospheric science
Research keywords  (20)： Synoptic-scale atmospheric circulation ,  Blocking ,  Atmospheric river ,  Extreme precipitation event ,  Clear sky precipitation (Diamond dust) ,  Moisture cycle ,  Temperature inversion ,  Katabatic wind ,  Snowfall observation ,  Precipitation radar ,  AWS (Automatic Weather Station)er Station) ,  Be-7 (Beryllium-7) ,  Aelosol ,  UAV ,  Radiosonde ,  Satellite data ,  Antarctica ,  Polar region ,  Climate ,  Meteorology
Research theme for competitive and other funds  (8)：
  • 2017 - 2030 Study on Antarctic climate change with Automatic weather station (AWS)
  • 1995 - 2028 Antarctic climate monitoring by satellite data received at Syowa Station, Antarctica
  • 2022 - 2025 The current state of snowfall and surface melting on the Antarctic ice sheet and understanding the relationship with global warming using ground-based and satellite observations
  • 2022 - 2025 The current state of snowfall and surface melting on the Antarctic ice sheet and understanding the relationship with global warming using ground-based and satellite observations.
  • 2008 - 2025 Study on moisture circulation in polar and cold regions through the challenge of higher accurate precipitation observation
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Papers (79)：
  • Keiichiro Hara, Masanori Yabuki, Masataka Shiobara, Naohiko Hirasawa, Takashi Yamanouchi. Long-term measurements of black carbon concentrations at Syowa Station, Antarctica. 2024. 8. 55-66
  • Naoyuki Kurita, Takao Kameda, Hideaki Motoyama, Naohiko Hirasawa, David Mikolajczyk, Lee J. Welhouse, Linda M. Keller, George A. Weidner, Matthew A. Lazzara. Near-Surface Air Temperature Records over the Past 30 Years in the Interior of Dronning Maud Land, East Antarctica. Journal of Atmospheric and Oceanic Technology. 2024. 41. 2. 179-188
  • Hirasawa, N, H. Konishi. Intra-seasonal and inter-annual variations in snowfall and rainfall during winter in Rikubetsu, inland Hokkaido, Japan. Okhotsk Sea and Polar Oceans Research. 2024. 8. 1-7
  • Naohiko Hirasawa. Study on the Antarctic surface mass balance by AWS-equipped ultrasonic snow depth sensors. 2023. 67. 195-199
  • Naohiko HIRASAWA, Masanori YABUKI, Masataka SHIOBARA, Yumi SHIMODE, Makoto KUJI. Long-term all-sky-camera images and evaluated cloud-cover data at Syowa Station, Antarctica. Polar Data Journal. 2023. 7. 35-49
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MISC (184)：
  • 源 泰拓, 鴨川 仁, 門倉 昭, 大宮 哲, 平沢尚彦, 佐藤光輝. 地吹雪の最中に観測される強い電場の原因を解明. 認定NPO法人富士山測候所を活用する会. 2021
  • 冨川喜弘, 佐藤薫, 斎藤芳隆, 村田功, 平沢尚彦, 高麗正史. 南極域における大気重力波のスーパープレッシャー気球観測計画(LODEWAVE: LOng-Duration balloon Experiment of gravity WAVE over Antarctica). 宇宙航空研究開発機構研究開発報告: 大気球研究報告. 2021. JAXA-RR-20-009. 19-33
  • 冨川 喜弘, 佐藤 薫, 斎藤 芳隆, 村田 功, 平沢 尚彦, 高麗 正史, 中篠 恭一, 秋田 大輔, 松尾 卓摩, 藤原 正智, et al. 南極における大気重力波のスーパープレッシャー気球観測計画(LODEWAVE)の現況. 大気球シンポジウム: 2020年度 = Balloon Symposium: 2020. 2020
  • 亀田貴雄, 平沢尚彦, 山内恭. 南極無人気象および米国ウィスコンシン大学宇宙理工学センター南極気象研究室との国際共同研究に関するワークショップの開催報告. 雪氷. 2020. 81. 5
  • 2019年春季「極域・寒冷域研究連絡会」の報告 -南極の広域をより高い精度で観測する-. 2020. 67. 3. 195-199
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Books (14)：
  • 北極域の研究 : その現状と将来構想
    海文堂出版 2024 ISBN:9784303562304
  • 世界気候の事典
    朝倉書店 2022 ISBN:9784254161328
  • 物質循環から熱輸送、気候研究へ(書名:南極読本 : ペンギン、海氷、オーロラ、隕石、南極観測のすべてが分かる)
    南極OB会編集委員会・成山堂書店 2019 ISBN:9784425948123
  • SPICE site report: Rikubetsu, Japan. WMO Solid Precipitation Intercomparison Experiment (SPICE) (2012 - 2015), Instruments and Observing Methods, Report No.131
    World Meteorological Organization (WMO) 2018
  • 「南極氷床と物質循環・気候」、気象研究ノート、233
    日本気象学会 2017
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Lectures and oral presentations  (258)：
  • First step of anomaly detection on PMPL Images at Syowa Station, Antarctica based on Generative AI
    (The 15th Symposium on Polar Science 2024)
  • Automated snow depth measurements at multiple points along the Antarctic inland route and its device development
    (The 15th Symposium on Polar Science 2024)
  • Trend analysis of blowing snow occurrence in Antarctica using the ICESat-2 dataset from November 2018 to October 2023
    (The 15th Symposium on Polar Science 2024)
  • Warming in the Dome Fuji region of East Antarctica driven by strengthening of the Indian Ocean subtropical front
    (The 15th Symposium on Polar Science 2024)
  • The Spatial Structure of Atmospheric Rivers observed in the JARE64
    (The 15th Symposium on Polar Science 2024)
ｍore...
Works (3)：
  • Portal page of database for Antarctic aerosols and clouds obtained in Japanese Antarctic research https://polaris.nipr.ac.jp/~aerosol01/
    Naohiko Hirasawa, collaborators - 現在
  • 北極域対流圏・成層圏物質の変動と気候影響
    2000 -
  • Variation of earosals and relevant gases in the troposphere and stratosphere and the effect on climate
    2000 -
Education (3)：
  • 1988 - 1993 Nagoya University
  • 1984 - 1986 University of Tsukuba
  • 1979 - 1984 University of Tsukuba
Work history (1)：
  • 1993 - 現在 National Institute of Polar Research Polar Meteorology and Glaciology & The Graduate University for Advanced Studies Assistant Professor
Committee career (11)：
  • 2022 - 現在 JAXA・GCOM-C Scientific Committee member
  • 2019/04 - 現在 極地研究所編集委員会 Polar Data Journal 編集委員
  • 2019/04 - 現在 極地研究所編集委員会 南極資料編集委員
  • 2015 - 現在 WMO/YOPP-SH Committee Committee member
  • 2012 - 現在 JAXA・EarthCARE Scientific Committee Member
Show all
Association Membership(s) (4)：
THE JAPANESE SOCIETY OF SNOW AND ICE ,  American Geophysical Union ,  METEOROLOGICAL SOCIETY OF JAPAN ,  JAPAN GEOSCIENCE UNION
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