Rchr
J-GLOBAL ID:200901016386213714
Update date: Jan. 09, 2024
Hirasawa Naohiko
ヒラサワ ナオヒコ | Hirasawa Naohiko
Affiliation and department:
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)
, Snowfall
, Moisture cycle
, AWS (Automatic Weather Station)er Station)
, Be-7 (Beryllium-7)
, UAV
, Radiosonde
, Precipitation radar
, Katabatic wind
, Temperature inversion
, Satellite data
, Aelosol
, Climate
, Meteorology
, Antarctica
, Polar region
Research theme for competitive and other funds (7):
- 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.
- 2008 - 2025 Study on moisture circulation in polar and cold regions through the challenge of higher accurate precipitation observation
- 2003 - 2025 Polar atmospheric observation using unmanned aerial vehicle (UAV)
- 1997 - 2025 Long-term monitoring and transport mechanisms of atmospheric minor constituents in Antarctica
- 1995 - 2025 Study on climate formation mechanism in Antarctica
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Papers (72):
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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
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Naohiko Hirasawa. Study on the Antarctic surface mass balance by AWS-equipped ultrasonic snow depth sensors. 2023. 67. 195-199
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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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Keiichiro HARA, Kazuo OSADA, Masanori YABUKI, Masahiko HAYASHI, Masataka SHIOBARA, Naohiko HIRASAWA, Takashi YAMANOUCHI. Long-term monitoring of condensation nuclei concentrations at Syowa Station, Antarctic. Polar Data Journal. 2023. 7. 13-23
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Y. Tomikawa, K. Sato, Y. Saito, I. Murata, N. Hirasawa, M. Kohma, K. Nakashino, D. Akita, T. Matsuo, M. Fujiwara, et al. LODEWAVE (LOng-Duration balloon Experiment of gravity WAVE over Antarctica). J. Evolv. Space Activ. 2023. 1. 14. 1-8
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MISC (182):
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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
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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
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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
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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
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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 (13):
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世界気候の事典
朝倉書店 2022 ISBN:9784254161328
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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
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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
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「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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気候変動の事典
朝倉書店 2017
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Lectures and oral presentations (234):
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The climatological characteristics of Atmospheric River observer in the 64th Japanese Antarctic Research Expedition
(The 38th International Symposium on the Okhotsk Sea and Polar Oceans 2024)
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Precipitation Observation at Syowa Station by a X-band Doppler Radar
(The 38th International Symposium on the Okhotsk Sea and Polar Oceans 2024)
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Intra-seasonal and inter-annual variations in snowfall and rainfall during winter in Rikubetsu, inland Hokkaido, Japan
(The 38th International Symposium on the Okhotsk Sea and Polar Oceans 2024)
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Correspondence between the wind speed by AWS and the blowing frequency by ICESat-2 at site NDF in the western region of East Antarctica from 2018 to 2022.
(AGU fall meeting 2023)
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南極昭和基地で観測された南極ヘイズ:季節・経年変化と大気気化学過程への影響
(第28回大気化学討論会 2023)
more...
Works (3):
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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
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北極域対流圏・成層圏物質の変動と気候影響
2000 -
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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
- 2011 - 現在 ICPM (International Committee of Polar Meteorology) Committee member
- 1996 - 現在 気象学会・極域寒冷域研究連絡会運営委員
- 2016/04 - 2020/03 日本極地振興会 極地編集委員
- 2013 - 2018 WMO/SPICE Rikubetsu Observatory Site Representative
- 2009 - 2012 JAXA・サブミリ波放射計科学委員会委員
- 1998 - 2006 気象学会・講演企画委員
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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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