Ryusuke Masunaga

Japanese / English

Atmosphere and Ocean Research Institute
The university of Tokyo
mail: masunaga(at)aori.u-tokyo.ac.jp

Publications

Masunaga,R., H. Nakamura, B. Taguchi, T. Miyasaka 2020: Processes shaping the frontal-scale time-mean surface wind convergence patterns around the Gulf Stream and Agulhas Return Current in winter. J. Climate, 33(21), 9083-9101. DOI:https://doi.org/10.1175/JCLI-D-19-0948.1
Masunaga,R., H. Nakamura, B. Taguchi, T. Miyasaka 2020: Processes shaping the frontal-scale time-mean surface wind convergence patterns around the Kuroshio Extension in winter. J. Climate, 33(1), 3-25. DOI:http://doi.org/10.1175/JCLI-D-19-0097.1
Masunaga,R., H. Nakamura, H. Kamahori, K. Onogi, S. Okajima, 2018: JRA-55CHS: An atmospheric reanalysis produced with high-resolution SST. SOLA, 14, 6-13. DOI:https://doi.org/10.2151/sola.2018-002
Masunaga,R., H. Nakamura, T. Miyasaka, K. Nishii, B. Qiu, 2016: Interannual modulations of oceanic imprints on the wintertime atmospheric boundary layer under the changing dynamical regimes of the Kuroshio Extension. J. Climate, 29(9), 3273-3296. DOI:http://dx.doi.org/10.1175/JCLI-D-15-0545.1
Masunaga,R., H. Nakamura, T. Miyasaka, K. Nishii, Y. Tanimoto, 2015: 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. J. Climate, 28(5), 1764-1787. DOI:http://dx.doi.org/10.1175/JCLI-D-14-00314.1

Reports

Masunaga, R., H. Nakamura, T. Miyasaka, K. Nishii, Y. Tanimoto, B. Qiu, 2016: Mesoscale imprints of the Kuroshio Extension and Oyashio fronts on the wintertime atmospheric boundary layer. CLIVAR Exchanges, 69(Val 20, No.1), 27-30. Link

Award&Proceedings

"Student Outstanding Presentation Award", Japan Geoscience Union, May,2012

2021

Masunaga, R., T. Miyakawa: Global large ensemble simulations with a cloud-resolving atmosphere and eddy-resolving ocean model, JpGU 2021, June 2021 , Online conference (oral)
Masunaga, R., N. Schneider: Surface wind responses to mesoscale sea-surface temperature over western boundary currents assessed by spectral transfer functions, JpGU 2021, June 2021 , Online conference (oral;invited)
Masunaga, R., N. Schneider: Seasonality and regional characteristics of sea-surface wind responses to mesoscale SST features assessed by the transfer function, 101st AMS annual meeting 2021, January 2021, Virtual meeting (Oral)

2020

Masunaga, R., H. Nakamura, B. Taguchi, T. Miyasaka: Processes shaping the time-mean surface wind convergence patterns around the Kuroshio Extension and Gulf Stream in winter, JpGU 2020, July 2020, Virtual meeting (iPoster)
Masunaga, R., N. Schneider: Seasonality and regional characteristics of sea-surface wind responses to mesoscale SST features assessed by the transfer functions, JpGU 2020, July 2020, Virtual meeting (iPoster)

2019

Masunaga, R., H. Nakamura, B. Taguchi, T. Miyasaka: Processes shaping the time-mean surface wind convergence patterns in winter around the Kuroshio Extension and Gulf Stream, July 2019, Montreal, Canada (Oral)
Masunaga, R., N. Schneider: Seasonality and regional characteristics of sea-surface wind responses to mesoscale SST features revealed by the transfer function, International ocean vector wind science team meeting, July 2019, Montreal, Canada (Poster)
Masunaga, R., N. 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, Portland, USA (Poster)
Masunaga, R., N. 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, February 2019, Fukuoka, Japan (Poster)
Masunaga, R., H. Nakamura, B. Taguchi, T. Miyasaka: Processes shaping the time-mean surface wind convergence patterns around the midlatitude western boundary currents, NORPAN closing workshop, February 2019, Kanagawa, Japan (Oral)

2018

Masunaga, R, H, Nakamura, B, Taguchi, T, 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, 2018 Ocean Sciences Meeting, February 2018, Portland, USA. (Poster)(invited)

2017

Masunaga, R., 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, 20th May 2017, Chiba, Japan (Oral)

2016

Masunaga, R., 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, November 2016, Yokohama, Japan. (Oral)
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, September 2016, Qingdao, China. (Poster)
Masunaga, R., 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, Joint AMS 21st Satellite Meteorology, Oceanography and Climatology Conference and 20th AMS Conference on Air-Sea Interaction, August 2016, Madison, USA. (Oral)
Masunaga, R., 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, June 2016, Norwegian Embassy, Japan. (Oral)
Masunaga, R., 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, 2016 Ocean Sciences Meeting, February 2016, New Orleans, USA. (Poster)
Masunaga, R., 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, January 2016, Yokohama, Japan. (Oral)

2015

Masunaga, R., 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 26the General Assembly 2015, June 2015, Prague, Czech.(Oral)
Masunaga, R., 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, 95th AMS annual meeting, January 2015, Phoenix, USA. (Oral)

2014

Masunaga, R., 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 2014, July 2014, Sapporo, Japan. (Oral)
Masunaga, R., H. Nakamura, T. Miyasaka, K. Nishii, Y. Tanimoto: Dependency of atmospheric boundary layer reproduced in reanalysis to the resolution of prescribed sea surface temperature, 2014 Ocean Sciences Meeting, February 2014, Honolulu, USA. (Poster)

2013

Masunaga, R., 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 2013, July 2013, Davos, Switzerland. (Oral)

2012

Masunaga, R., H. Nakamura, T. Miyasaka, K. Nishii: Interannual variations of a local pressure minimum and baroclinicity around the Kuroshio Extension in the cold season, ICDM Workshop on"Mechanisms and their influence on the polar stratosphere. Dynamics and Predictability of High-impact Weather and Climate Events", August 2012, Kunming, China. (Oral)
Masunaga, R., H. Nakamura, T. Miyasaka, K. Nishii: Interannual variations of a local pressure minimum and baroclinicity around the Kuroshio Extension in the cold season, 2012 JpGU Meeting, Chiba, May, 2012. (Poster)