Researcher Information
researchmap URL
Research Interests
Research activity information
Papers
- Niklas Schneider; Bruce D. Cornuelle; Larry W. O’Neill; Ryusuke Masunaga; Thomas Kilpatrick; Masami Nonaka; R. Justin Small; Shang-Ping Xie
Formation of the Gulf Stream Convergence Zone
Journal of the Atmospheric Sciences, 24 Sep. 2025
[Reviewed] - Masaki Satoh; Takuya Kawabata; Tomoki Miyakawa; Masuo Nakano; Hisashi Yashiro; Takemasa Miyoshi; Le Duc; Pin-Ying Wu; Tsutao Oizumi; Yasumitsu Maejima; James Taylor; Ryoichi Yoshimura; Koji Terasaki; Yohei Yamada; Ryusuke Masunaga; Takao Kawasaki; Masahiro Tanoue
Achievements in atmospheric sciences by the large-ensemble and high-resolution forecasting studies using the supercomputer Fugaku
Progress in Earth and Planetary Science, 06 Aug. 2025
12, 64
[Reviewed] - Yutaro NIRASAWA; Tomoki MIYAKAWA; Daisuke TAKASUKA; Takao KAWASAKI; Ryusuke MASUNAGA
What Is the Role of Air-Sea Interaction in the Intra-Seasonal Fluctuation of the Monsoon Trough over the Western North Pacific?
Journal of the Meteorological Society of Japan. Ser. II, 2025
[Reviewed] - R. Masunaga; Y. Komuro; T. Kawasaki; J. Ono
Observations of Sea Ice Edge Position in the Barents and Greenland Seas: Temporal Variability and Long‐Term Changes
Journal of Geophysical Research: Oceans, 27 Oct. 2024
129, 10
[Reviewed]
Lead, Corresponding - R. Masunaga
Near-Surface Wind Convergence Along the Sea Ice Edge in the Greenland Sea: Its Mean State and Shaping Process
Journal of Geophysical Research: Atmospheres, 24 Aug. 2024
129, 16
[Reviewed]
Lead, Corresponding - Daisuke Takasuka; Chihiro Kodama; Tamaki Suematsu; Tomoki Ohno; Yohei Yamada; Tatsuya Seiki; HISASHI YASHIRO; Masuo Nakano; Hiroaki Miura; Akira Noda; Tomoe Nasuno; Tomoki Miyakawa; Ryusuke Masunaga
How Can We Improve the Seamless Representation of Climatological Statistics and Weather Toward Reliable Global K‐Scale Climate Simulations?
Journal of Advances in Modeling Earth Systems, Feb. 2024
[Reviewed] - R. J. Small; V. Rousseau; R. Parfitt; L. Laurindo; L. O’Neill; R. Masunaga; N. Schneider; P. Chang
Near-Surface Wind Convergence over the Gulf Stream—The Role of SST Revisited
Journal of Climate, 15 Aug. 2023
36, 16, 5527, 5548
[Reviewed] - Ryusuke MASUNAGA; Tomoki MIYAKAWA; Takao KAWASAKI; Hisashi YASHIRO
Flux Adjustment on Seasonal-Scale Sea Surface Temperature Drift in NICOCO
Journal of the Meteorological Society of Japan. Ser. II, 2023
101, 3, 175, 189
[Reviewed]
Lead, Corresponding - Ryusuke Masunaga; Niklas Schneider
Surface Wind Responses to Mesoscale Sea Surface Temperature over Western Boundary Current Regions Assessed by Spectral Transfer Functions
Journal of the Atmospheric Sciences, 01 Jun. 2022
[Reviewed]
Lead, Corresponding - Ryusuke Masunaga; Hisashi Nakamura; Bunmei Taguchi; Takafumi Miyasaka
Processes Shaping the Frontal-Scale Time-Mean Surface Wind Convergence Patterns around the Gulf Stream and Agulhas Return Current in Winter
JOURNAL OF CLIMATE, Nov. 2020
33, 21, 9083, 9101
[Reviewed]
Lead, Corresponding - Ryusuke Masunaga; Hisashi Nakamura; Bunmei Taguchi; Takafumi Miyasaka
Processes Shaping the Frontal-Scale Time-Mean Surface Wind Convergence Patterns around the Kuroshio Extension in Winter
Journal of Climate, Jan. 2020
33, 1, 3, 25
[Reviewed]
Lead, Corresponding - Ryusuke Masunaga; Hisashi Nakamura; Hirotaka Kamahori; Kazutoshi Onogi; Satoru Okajima
JRA-55CHS: An atmospheric reanalysis produced with high-resolution SST
Scientific Online Letters on the Atmosphere, 2018
14, 6, 13
[Reviewed]
Lead, Corresponding - Ryusuke Masunaga; Hisashi Nakamura; Takafumi Miyasaka; Kazuaki Nishii; Youichi Tanimoto; Bo Qiu
Mesoscale imprints of the Kuroshio Extension and Oyashio fronts on the wintertime atmospheric boundary layer
CLIVAR Exchanges, Jul. 2016
69, 27, 30
Lead, Corresponding - Ryusuke Masunaga; Hisashi Nakamura; Takafumi Miyasaka; Kazuaki Nishii; Bo Qiu
Interannual Modulations of Oceanic Imprints on the Wintertime Atmospheric Boundary Layer under the Changing Dynamical Regimes of the Kuroshio Extension
JOURNAL OF CLIMATE, May 2016
29, 9, 3273, 3296
[Reviewed]
Lead, Corresponding - Ryusuke Masunaga; Hisashi Nakamura; Takafumi Miyasaka; Kazuaki Nishii; Youichi Tanimoto
Separation of Climatological Imprints of the Kuroshio Extension and Oyashio Fronts on the Wintertime Atmospheric Boundary Layer: Their Sensitivity to SST Resolution Prescribed for Atmospheric Reanalysis
JOURNAL OF CLIMATE, Mar. 2015
28, 5, 1764, 1787
[Reviewed]
Lead, Corresponding
Misc.
- 中村 尚; 行本 誠史; 小寺 邦彦; 水田 亮; 青木 茂; 小川 史明; 西井 和晃; 宮坂 貴文; 吉田 聡; 宮本 歩; 岡島 悟; 田口 文明; 野中 正見; 升永 竜介; 村崎 万代
大気海洋雪氷系における大洋・半球スケールの鉛直結合変動—気候系のHotspot : 中緯度大気海洋相互作用研究の新展開
気象研究ノート, Oct. 2021
244, 245, 277 - 高谷 康太郎; 西井 和晃; 中村 尚; 升永 竜介; 谷本 陽一; 佐藤 友徳; 小池 真; 浅野 匠彦
冬季モンスーンと大気海洋相互作用—気候系のHotspot : 中緯度大気海洋相互作用研究の新展開
気象研究ノート, Oct. 2021
244, 325, 339
Presentations
- Ryusuke Masunaga; Yoshiki Komuro; Takao Kawasaki; Jun Ono
Sea Ice Features and the Local Atmospheric Response on the Scale of Ο(1-10) km Resolved in NICOCO
The Seventh International Symposium on Arctic Research, 30 Oct. 2025 - 升永竜介; 小室芳樹; 川崎高雄; 小野純
バレンツ海とグリーンランド海の海氷縁位置の経年変動と長期変化
日本海洋学会2025年度秋季大会, 24 Sep. 2025 - 升永竜介; 小室芳樹; 川崎高雄; 小野純; 宮川知己
全球結合モデルNICOCOにより解像される海洋海氷のΟ(10–100) kmスケールの構造と大気の応答
日本地球惑星科学連合大会, 29 May 2025 - Ryusuke Masunaga; Tomoki Miyakawa
Mesoscale atmosphere–ocean coupling resolved in global coupled simulations with NICOCO
Japan Geoscience Union Meeting, 26 May 2025 - Ryusuke Masunaga; Yoshiki Komuro; Takao Kawasaki; Jun Ono
The observed sea-ice edge position over the Barents and Greenland Seas: Its temporal variability
The 14th Symposium on Polar Science, 14 Nov. 2023 - 升永 竜介; 森 正人; 宮川 知己; 小室 芳樹
Subseasonal-scale atmospheric responses to sea ice reduction over the Arctic in 2020/21 winter
Japan Geoscience Union Meeting, 24 May 2023 - Ryusuke Masunaga; Tomoki Miyakawa
Fine-scale features in vertical velocity represented in a global cloud-resolving coupled model
Japan Geoscience Union Meeting, 22 May 2023 - Ryusuke Masunaga; Tomoki Miyakawa
Global simulations with a cloud-resolving atmosphere and eddy-resolving ocean coupled model in winter and summer
Japan Geoscience Union Meeting, May 2023 - Ryusuke Masunaga
Mesoscale Atmospheric Structure near the Sea Ice Edges over the Arctic Region as represented by ERA5
The Seventh International Symposium on Arctic Research, 08 Mar. 2023 - Ryusuke Masunaga; Tomoki Miyakawa
Global ensemble simulations with a cloud-resolving atmosphere and eddy-resolving ocean coupled model
Japan Geoscience Union Meeting, 23 May 2022, [Invited] - 升永竜介
高解像度全球大気海洋結合モデルを用いた季節内から季節スケール予報の向上へ向けた取り組み
「富岳」成果創出加速プログラム 防災・減災に資する新時代の大アンサンブル気象・大気環境予測 2021年度成果発表会, 10 Mar. 2022 - Ryusuke Masunaga; Tomoki Miyakawa
Global coupled simulations with cloud-resolving atmosphere and eddyresolving ocean coupled models
Ocean Sciences Meeting, 02 Mar. 2022 - Ryusuke Masunaga; Tomoki Miyakawa
Global coupled simulations with cloud-resolving atmosphere and eddy-resolving ocean models
AGU Fall Meeting, 17 Dec. 2021 - 升永竜介; 宮川知己
全球雲解像–渦解像度結合モデル実験へ向けた取り組み
日本気象学会秋季大会, 08 Dec. 2021 - 升永竜介
大気再解析における高解像度海面水温データの意義
日本海洋学会2021年度秋季大会「中緯度大気海洋相互作用研究の現状と展望」, 18 Sep. 2021 - 升永竜介; Niklas Schneider
海面水温に対する海上風の応答についての数値モデルの再現性
日本海洋学会秋季大会, 16 Sep. 2021 - Ryusuke Masunaga; Tomoki Miyakawa
Global large ensemble simulations with a cloud-resolving atmosphere and eddy-resolving ocean model
Japan Geoscience Union Meeting, 04 Jun. 2021 - Ryusuke Masunaga; Niklas Schneider
Surface wind responses to mesoscale sea-surface temperature over western boundary currents assessed by spectral transfer functions
Japan Geoscience Union Meeting, 04 Jun. 2021, [Invited] - Ryusuke Masunaga; Niklas Schneider
Seasonality and regional characteristics of sea-surface wind responses to mesoscale SST features assessed by the transfer function
American Meteorological Society annual meeting, 14 Jan. 2021 - 升永竜介; 中村尚; 田口文明; 宮坂貴文
西岸境界流に沿う海上風収束極大の形成過程
日本海洋学会秋季大会, 29 Nov. 2020 - Ryusuke Masunaga; Hisashi Nakamura; Bunmei Taguchi; Takafumi Miyasaka
Processes shaping the time-mean surface wind convergence patterns around the Kuroshio Extension and Gulf Stream in winter
JpGU-AGU joint meeting, 12 Jun. 2020 - Ryusuke Masunaga; Niklas Schneider
Seasonality and regional characteristics of sea-surface wind responses to mesoscale SST features assessed by the transfer functions
JpGU-AGU joint meeting, 12 Jun. 2020 - Ryusuke Masunaga; Niklas Schneider
Seasonality and regional characteristics of sea-surface wind responses to mesoscale SST features
Ocean Sciences Meeting, 17 Feb. 2020 - Ryusuke Masunaga; Niklas Schneider
Seasonality and regional characteristics of sea surface wind responses to mesoscale SST features revealed by the transfer function
international union of geodesy and geophysics general assembly, 12 Jul. 2019 - Ryusuke Masunaga; Hisashi Nakamura; Bunmei Taguchi; Takafumi Miyasaka
Processes shaping the time-mean surface wind convergence patterns in winter around the Kuroshio Extension and Gulf Stream
international union of geodesy and geophysics general assembly, 12 Jul. 2019 - Ryusuke Masunaga; Niklas Schneider
Seasonality and regional characteristics of sea-surface wind responses to mesoscale SST features as revealed by the transfer function
International ocean vector wind science team meeting, May 2019 - Ryusuke Masunaga; Niklas Schneider
Seasonality and regional characteristics of sea-surface wind responses to mesoscale SST features
4th international joint workshop on computationally-intensive modeling of the climate system and 9th OFES international workshop, Feb. 2019 - Ryusuke Masunaga; Hisashi Nakamura; Bunmei Taguchi; Takafumi Miyasaka
Processes shaping the time-mean surface wind convergence patterns around the midlatitude western boundary currents
Partnership between Norway and Japan for excellent Education and Research in Weather and Climate Dynamics closing workshop, Feb. 2019 - Ryusuke Masunaga; Hisashi Nakamura; Bunmei Taguchi; Takafumi Miyasaka
Processes contributing to the time-mean surface wind convergence pattern around the wintertime Kuroshio Extension and subarctic fronts as revealed in the JRA-55 family
Ocean Sciences Meeting, 15 Feb. 2018, [Invited] - Ryusuke Masunaga; H. Kamahori; C. Kobayashi; H. Nakamura; S. Okajima
Influence of the Kuroshio Extension and Oyashio fronts on the atmosphere as revealed in the JRA-55 family
japan geoscience union meeting, May 2017 - Ryusuke Masunaga; H. Kamahori; C. Kobayashi; H. Nakamura; S. Okajima
Climatological influence of midlatitude oceanic fronts on the atmosphere as revealed in the JRA-55 family
Workshop on global precipitation systems, Nov. 2016 - 升永竜介; 釜堀弘隆; 小林ちあき; 中村尚; 岡島悟
高解像度海面水温データを与えた全球大気再解析JRA-55追加プロダクト(2)
日本海洋学会秋季大会, Sep. 2016 - Masunaga, R.; H. Nakamura; T. Miyasaka; K. Nishii; Y. Tanimoto; B. Qiu
Extratropical Frontal- and Meso-scale Air-Sea Interaction: Mesoscale imprints of the Kuroshio Extension and Oyashio fronts on the wintertime atmospheric boundary layer
CLIVAR meeting, Sep. 2016 - Ryusuke Masunaga; H. Nakamura; T. Miyasaka; K. Nishii; B. Qiu
Interannual modulations of mesoscale imprints of the Kuroshio Extension and Oyashio fronts on the wintertime atmospheric boundary layer
AMS Conference on Air-Sea Interaction, Aug. 2016 - Ryusuke Masunaga; H. Nakamura; T. Miyasaka; K. Nishii; Y. Tanimoto; B. Qiu
Wintertime imprints of the Kuroshio Extension and Oyashio fronts on atmospheric boundary layer
Partnership between Norway and Japan for excellent Education and Research in Weather and Climate Dynamics Kick-off meeting, Jun. 2016 - 升永竜介; 中村尚; 宮坂貴文; 西井和晃; Bo Qiu
黒潮続流の十年規模変動に対する大気境界層の応答
日本海洋学会春季大会, Mar. 2016 - Ryusuke Masunaga; H. Nakamura; T. Miyasaka; K. Nishii; B. Qiu
Interannual modulations of mesoscale oceanic imprints on the wintertime atmospheric boundary layer under the changing dynamical regimes of the Kuroshio Extension
Ocean Sciences Meeting, Feb. 2016 - Ryusuke Masunaga; H. Nakamura; T. Miyasaka; K. Nishii; B. Qiu
Interannual modulations of mesoscale oceanic imprints on the wintertime atmospheric boundary layer under the changing dynamical regimes of the Kuroshio Extension
CLIVAR/JAMSTEC Workshop on the Kuroshio Current and Extension System, Jan. 2016 - Ryusuke Masunaga; H. Nakamura; T. Miyasaka; K. Nishii; Y. Tanimoto; B. Qiu
Separated imprints of the Kuroshio Extension and Oyashio fronts on the wintertime atmospheric boundary layer
International Union of Geodesy and Geophysics General Assembly, Jun. 2015 - Ryusuke Masunaga; H. Nakamura; T. Miyasaka; K. Nishii; Y. Tanimoto; B. Qiu
Separation of climatological imprints of the Kuroshio Extension and Oyashio fronts on the wintertime atmospheric boundary layer
American Meteorological Society annual meeting, Jan. 2015 - 升永竜介; 中村尚; 宮坂貴文; 西井和晃; Bo Qiu
黒潮続流の十年規模変動が冬季の大気境界層に及ぼす影響
日本気象学会秋季大会, Oct. 2014 - 升永竜介; 中村尚; 宮坂貴文; 西井和晃; 谷本陽一; Bo Qiu
黒潮・親潮続流域における複数の水温前線が冬季の大気境界層に及ぼす影響
東京大学大気海洋研究所国際沿岸海洋研究センター研究集会「中緯度気象・気候研究の現状と展望」, Aug. 2014 - Ryusuke Masunaga; H. Nakamura; T. Miyasaka; K. Nishii; B. Qiu
Imprints of multiple SST fronts on the wintertime atmospheric boundary layer within the Kuroshio-Oyashio Extension region
Asia Oceania Geosciences Society annual meeting, Jul. 2014 - 升永竜介; 中村尚; 宮坂貴文; 西井和晃; 谷本陽一; Bo Qiu
黒潮・親潮続流域における複数の水温前線が冬季の大気境界層に及ぼす影響
日本気象学会春季大会, May 2014 - Ryusuke Masunaga; H. Nakamura; T. Miyasaka; K. Nishii; Y. Tanimoto
Dependency of atmospheric boundary layer reproduced in reanalysis to the resolution of prescribed sea surface temperature
Ocean Sciences Meeting, Feb. 2014 - 升永竜介; 中村尚; 宮坂貴文; 西井和晃; 谷本陽一
大気再解析データで表現される大気境界層の海面水温データへの依存性
研究集会「異常気象と気候システム変動のメカニズムと予測可能性」, Oct. 2013 - 升永竜介; 中村尚; 宮坂貴文; 西井和晃; 谷本陽一
黒潮・親潮続流域の冬季平均場における曇特性と海上風収束のメソスケール構造
東京大学大気海洋研究所国際沿岸海洋研究センター研究集会「大気・海陸面相互作用と氷相を含む雲・降水過程」, Aug. 2013 - Ryusuke Masunaga; H. Nakamura; T. Miyasaka; K. Nishii; Y. Tanimoto
Interannual variations of a local pressure minimum and barocliniczone around the Kuroshio-Oyashio Extension under the winter monsoon
Davos Atmosphere and Cryosphere Assembly, Jul. 2013 - 升永竜介; 中村尚; 宮坂貴文; 西井和晃; 谷本陽一
黒潮・親潮海洋前線に伴う海面気圧極小と地表傾圧帯に見られる経年変動 ~大気再解析データで表現される大気境界層構造の海面水温データへの依存性~
日本気象学会春季大会, May 2013 - 升永竜介; 中村尚; 宮坂貴文; 西井和晃; 谷本陽一
黒潮・親潮続流域に形成される海面気圧極小と傾圧帯の経年変動
研究集会「週間及び1か月予報における顕著現象の予測可能性」, Nov. 2012 - Ryusuke Masunaga; H. Nakamura; T. Miyasaka; K. Nishii
Interannual variations of a local pressure minimum and baroclinicity around the Kuroshio Extension in the cold season
ICDM, Aug. 2012 - 升永竜介; 中村尚; 西井和晃; 宮坂貴文
黒潮続流域における海面気圧極小の気候平均場に見られる季節性,
日本気象学会春季大会, May 2012 - Ryusuke Masunaga; H. Nakamura; T. Miyasaka; K. Nishii
Interannual variations of a local pressure minimum and baroclinicity around the Kuroshio Extension in the cold season
japan geoscience union meeting, May 2012
