LOGO of U-Toyama

Earth Science Division

Lab. of Meteorology & Climatology

University of Toyama

Maldives

Peer-reviewed Articles

  1. Tsuji, T., K. Yasunaga, and A. Hamada, 2024: Statistical Characteristics of Drop Size Distributions in the Warm Season over the Sea of Japan, Scientific Online Letters in the Atmosphere (SOLA), 20, 255-263.
  2. Okugawa, R., K. Yasunaga, A. Hamada, and S. Yokoi, 2024: Numerical Study on the Precipitation Concentration over the Western Coast of Sumatra Island, Monthly Weather Review, 152, 689–704.
  3. Fukuda, K., K. Yasunaga, R. Oyama, A. Wada, A. Hamada, and H. Fudeyasu, 2020: The Diurnal Cycle of Clouds in Tropical Cyclones over the Western North Pacific Basin, Scientific Online Letters in the Atmosphere (SOLA), 16, 109-114.
  4. Inoue, K., Ángel F. Adames, and K Yasunaga, 2020: Vertical Velocity Profiles in Convectively Coupled Equatorial Waves and MJO: New Diagnoses of Vertical Velocity Profiles in the Wavenumber-Frequency Domain, Journal of the Atmospheric Sciences, 77, 2139–2162.
  5. Yasunaga, K., A. Hamada, and K. Nishii, 2019:An increasing trend in the early-winter precipitation around Japan and its relationship with enhanced heating over the tropical eastern Indian Ocean, Scientific Online Letters in the Atmosphere (SOLA), 15, In printing.
  6. Sarashina, H., K. Yasunaga, 2019: Relationships between snow depth change and characteristics of falling snow particles in Toyama, Journal of Natural Disaster Science (in Japanese), Vol.38(Special Edition), 201.(in Japanese)
  7. Arai, K., and K. Yasunaga, 2019: Spatial Patterns of Winter Precipitation in the North-Central Region (Hokuriku District) of Japan, Scientific Online Letters in the Atmosphere (SOLA), 15, 80-86.
  8. Yasunaga, K., S. Yokoi, K. Inoue, and B. E. Mapes, 2019: Space-Time Spectral Analysis of Moist Static Energy Budget Equation, J. Climate, 32, 501–529, https://doi.org/10.1175/JCLI-D-18-0334.1
  9. Yasunaga, K., and M. Tomochika, 2017: An increasing trend in the early-winter precipitation during recent decades along the coastal areas of the Sea of Japan, Journal of Hydrometeorology, 18, 2893–2906
  10. Yokoi, S., S. Mori, M. Katsumata, B. Geng, Yasunaga, K., F. Syamsudin, Nurhayati, and K. Yoneyama, 2017: Diurnal cycle of precipitation observed in the western coastal area of Sumatra Island: offshore preconditioning by gravity waves, Monthly Weather Review, 145, 3745–3761.
  11. Yanase, A., Yasunaga, K., and H. Masunaga, 2017: Relationship between the Direction of Diurnal Rainfall Migration and the Ambient Wind over the Southern Sumatra Island, Earth and Space Science, 4, DOI: 10.1002/2016EA000181.
  12. Hashimoto. Y., K. Yasunaga, and T. Takemi, 2016: Representation of thermally induced local circulation over Toyama in numerical simulations with various resolution, Wind Engineering Symposium, 1AIJ01-05, 1-02.(in Japanese)
  13. Nishizawa, T., N. Sugimoto, I. Matsui, A. Shimizu, Y. Hara, I. Uno, K. Yasunaga, R. Kudo, and S.-W. Kim, 2016: Ground-based network observation using Mie–Raman lidars and multi-wavelength Raman lidars and algorithm to retrieve distributions of aerosol components, Journal of Quantitative Spectroscopy and Radiative Transfer, 188,20–27,http://dx.doi.org/10.1016/j.jqsrt.2016.06.031
  14. Yasunaga, K., T. Miyajima and M. Yamaguchi, 2016: Relationships between tropical cyclone motion and surrounding flow with reference to longest radius and maximum sustained wind, Scientific Online Letters in the Atmosphere (SOLA), 12, 277-281.
  15. Bellenger, H., K. Yoneyama, M. Katsumata, T. Nishizawa, K. Yasunaga, and R. Shirooka, 2015: Observation of Moisture Tendencies Related to Shallow Convection, Journal of the Atmospheric Science, 72, 641－659.
  16. Yasunaga, K., and B. Mapes, 2014: Differences between Faster vs. Slower Components of Convectively Coupled Equatorial Waves, Journal of the Atmospheric Science, 71, 98－111.
  17. Yasunaga, K., T. Nasuno, H. Miura, Y. N. Takayabu, and M. Yoshizaki, 2013: Afternoon precipitation peak simulated in an aqua-planet global non-hydrostatic model (aqua-planet-NICAM) , Journal of Meteorological Society of Japan, 91A, 217-229.
  18. Yoshizaki, M., T. Kato, and K. Yasunaga, 2013: Linear Responses of Buoyancy Induced by Band-Shaped Precipitation with an End, Journal of Meteorological Society of Japan, 91, 527-538.
  19. Yokoi, S., C. Takahashi, K. Yasunaga, and R. Shirooka, 2012: Multi-model projection of tropical cyclone genesis frequency over the Western North Pacific: CMIP5 results, Scientific Online Letters in the Atmosphere (SOLA), 8, 137-140.
  20. Yoshizaki, M., K. Yasunaga, S. Iga, M. Satoh, T. Nasuno, A. Noda, and H. Tomita, 2012: Why do Super Clusters and Madden Julian Oscillation Exist over the Equatorial Region? Scientific Online Letters in the Atmosphere (SOLA), 8, 33－36.
  21. Yasunaga, K., and B. Mapes, 2012: Differences between more-divergent vs. more-rotational types of Convectively Coupled Equatorial Waves. Part I: Space-Time Spectral Analyses, Journal of the Atmospheric Science, 69, 3－16.
  22. Yasunaga, K., and B. Mapes, 2012: Differences between more-divergent vs. more-rotational types of Convectively Coupled Equatorial Waves. Part II: Composite Analysis based on space-time filtering, Journal of the Atmospheric Science, 69, 17－34.
  23. Yasunaga, K., 2011: Seasonality and Regionality of the Madden–Julian Oscillation and Convectively Coupled Equatorial Waves, Scientific Online Letters in the Atmosphere (SOLA), 7, 153-156.
  24. Moteki, Q., K. Yoneyama, R. Shirooka, H. Kubota, K. Yasunaga, J. Suzuki, A. Seiki, N. Sato, T. Enomoto, T. Miyoshi, and S. Yamane, 2011: The influence of observations propagated by convectively coupled equatorial waves, Quarterly Journal of the Royal Meteorological Society, 137, 641–655.
  25. Yasunaga, K., K. Yoneyama, Q. Moteki, M. Fujita, Y. N. Takayabu, J. Suzuki, T. Ushiyama, and B. Mapes, 2010: Characteristics of 3-4-Day and 6-8-Day Period Disturbances Observed over the Tropical Indian Ocean, Monthly Weather Review, 138, 4158-4174.
  26. Yanase , W., M. Satoh, H. Yamada, K. Yasunaga, and Q. Moteki, 2010: Continual influences of tropical waves on the genesis and rapid intensification of Typhoon Durian (2006), Geophysical Research Letters, 37, L08809, doi:10.1029/2010GL042516.
  27. Yasunaga, K., 2009: Development of the convection in the tropics and atmospheric circulation, Calorimetry and Thermal Analysis, 36, 10-17.(in Japanese)
  28. Ushiyama, T., K. K. Reddy, H. Kubota, K. Yasunaga, and R. Shirooka, 2009: Diurnal to interannual variation in the raindrop size distribution over Palau in the Western tropical Pacific, Geophysical Research Letters, 36, L02810, doi:10.1029/2008GL036242.
  29. Yasunaga, K., M. Fujita, T. Ushiyama, K. Yoneyama, Y. Takayabu, and M. Yoshizaki, 2008: Diurnal Variations in Precipitable Water Observed by Shipborne GPS over the Tropical Indian Ocean, Scientific Online Letters in the Atmosphere (SOLA), 4, 097‒100,doi:10.2151/sola.2008‒025.
  30. Yasunaga, K., A. Hashimoto, and M. Yoshizaki, 2008: Numerical Simulations of Melting-layer Cloud Formation. Monthly Weather Review, 136, 223-241.
  31. Yoneyama, K., Y. Masumoto, Y. Kuroda, M. Katsumata, K. Mizuno, Y. Takayabu, M. Yoshizaki, A. Shareef, Y. Fujiyoshi, M. J. McPhaden, V. S. N. Murty, R. Shirooka, K. Yasunaga, H. Yamada, N. Sato, T. Ushiyama, Q. Moteki, A. Seiki, M. Fujita, K. Ando, H. Hase, I. Ueki, T. Horii, C. Yokoyama, and T. Miyakawa, 2008: Mismo Field Experiment in the Equatorial Indian Ocean, Bulletin of the American Meteorological Society, 89, 1889-1903.
  32. Moteki, Q., R. Shirooka, H. Kubota, T. Ushiyama, K. K. Reddy, K. Yoneyama, M. Katsumata, N. Sato, K. Yasunaga, H. Yamada, B. Geng, M. Fujita, M. Yoshizaki, H. Uyeda, and T. Chuda, 2008: Mechanism of the northward propagation of mesoscale convective systems observed on 15 June 2005 during PALAU2005, Journal of Geophysical Research, 113, D14126, doi:10.1029/2008JD009793
  33. Nakamura, M., S. Kanada, Y. Wakazuki, C. Muroi, A. Hashimoto, T. Kato, A. Noda, M. Yoshizaki, and K. Yasunaga, 2008: Effects of Global Warming on Heavy Rainfall During the Baiu Season Projected by a Cloud-System-Resolving Model, Journal of Disaster Research, 3, 15-24.
  34. Moteki, Q., R. Shirooka, K. Yoneyama, B. Geng, M. Katsumata, T. Ushiyama, H. Yamada, K. Yasunaga, N. Sato, H. Kubota, K. K. Reddy, H. Tokinaga, A. Seiki, M. Fujita, Y. N. Takayabu, M. Yoshizaki, H. Uyeda, and T. Chuda, 2007: The Impact of the Assimilation of Dropsonde Observations during PALAU2005 in ALERA, Scientific Online Letters in the Atmosphere (SOLA), 3, 97-100.
  35. Wakazuki, Y., S. Kanada, C. Muroi, A. Hashimoto, T. Kato, M. Nakamura, A. Noda, M. Yoshizaki, K. Yasunaga, 2007: Regional Climate Projection Experiments on the Baiu Frontal Activity around the Japan Islands Using a Non-Hydrostatic Cloud-System-Resolving Model. Journal of the Earth Simulator, 8, 13-25
  36. Yasunaga, K., K. Yoneyama, H. Kubota, H. Okamoto, A. Shimizu, H. Kumagai, M. Katsumata, N. Sugimoto, and I. Matsui, 2006: Melting-Layer Cloud Observed during MR01-K05 Cruise of Res/V Mirai, Journal of Atmospheric Science, 63, 3020-3032.
  37. Yasunaga, K., M. Yoshizaki, Y. Wakazuki, C. Muroi, K. Kurihara, A. Hashimoto, S. Kanada, T. Kato, S. Kusunoki, K. Oouchi, H.Yoshimura, R. Mizuta, and A. Noda, 2005: Changes in the Baiu Frontal Activity in the Future Climate Simulated by Super-High-Resolution Global and Cloud-Resolving Regional Climate Models, Journal of Meteorological Society of Japan, 84, 199-220.
  38. Yasunaga, K., T. Kato, Y. Wakazuki, H. Sasaki, C. Muroi, K. Kurihara, Y. Sato, M. Yoshizaki, S. Kanada, and A. Hashimoto, 2005: Performances of Long-Term Integrations of Japan Meteorological Agency Nonhydrostatic Model with the Spectral Boundary Coupling Method, Weather and Forecasting, 20, 1061-1072.
  39. Hashimoto, A., M. Murakami, C. Muroi, M. Yoshizaki, Y. Wakazuki, S. Kanada, K. Yasunaga, T. Kato, K. Kurihara and A. Noda, 2005: Characteristics of the Averaged Vertical Profiles of Hydrometeors in the Baiu Season Simulated with a Non-hydrostatic Regional Climate Model. Scientific Online Letters in the Atmosphere (SOLA), 1, 141-144.
  40. Wakazuki, Y., M. Yoshizaki, K. Yasunaga, C. Muroi, S. Kanada, A. Hashimoto, T. Kato, K. Kurihara and A. Noda, 2005: Changes in the Characteristic Features of Disturbances appearing in the Baiu Frontal Zone over Western Japan Due to Global Warming, Scientific Online Letters in the Atmosphere (SOLA), 1, 129-132.
  41. Kanada, S., C. Muroi, Y. Wakazuki, K. Yasunaga, A. Hashimoto, T. Kato, K. Kurihara, M. Yoshizaki and A. Noda, 2005: Structure of Mesoscale Convective Systems during the Late Baiu Season in the Global Warming Climate Simulated by a Non-Hydrostatic Regional Model, Scientific Online Letters in the Atmosphere (SOLA), 1, 117-120.
  42. Yoshizaki, M., C. Muroi, S. Kanada, Y. Wakazuki, K. Yasunaga, A. Hashimoto, T. Kato, K. kurihara, A. Noda and S. Kusunoki, 2005: Changes of Baiu (Mei-yu) frontal activity in the global warming climate simulated by a non-hydrostatic regional model, Scientific Online Letters in the Atmosphere (SOLA), 1, 25-28.
  43. Yasunaga, K., H. Kida, T. Satomura, and N. Nishi, 2004: A numerical study on the detrainment of tracers by cumulus convection in TOGA COARE, Journal of Meteorological Society of Japan, 82, 861-878.
  44. Yasunaga, K., H. Kida, and T. Satomura, 2003: The 600-750 hPa relative humidity minimum　observed during PEM-Tropics B, Geophysical Research Letters, 30(24), 2282, doi: 10.1029/2003GL018739.

International Workshop

  1. Yasunaga, K. and R. Okugawa, 2020:Numerical simulations of the precipitation along the coastal areas of Sumatera Island, 100th American Meteorological Society Annual Meeting (Boston, Massachusetts, USA).
  2. Yasunaga, K., 2020: An increasing trend in the early-winter precipitation around Japan and its linkage with the enhanced heating over the tropical eastern Indian Ocean, 100th American Meteorological Society Annual Meeting (Boston, Massachusetts, USA).
  3. Yasunaga, K. and R. Okugawa, 2018:Numerical simulations of the diurnal cycle of precipitation during Pre-YMC field campaign, 33rd Conference on Hurricanes and Tropical Meteorology (Ponte Vedra Beach, Florida, USA).
  4. Yasunaga, K. and M. Tomochika, 2018: An increasing trend in the early-winter precipitation during recent decades along the coastal areas of the Sea of Japan, AMS 98th Annual Meeting (Austin TX, US).
  5. Yasunaga, K. and K. Nakae, 2017:Numerical simulations of a diurnal cycle of precipitation during Pre-YMC field campaign, JpGU-AGU Joint Meeting 2017 (Makuhari, Japan).
  6. Yasunaga, K. and T. Miyajima, 2016:Relationships between tropical cyclone motion and surrounding flow with reference to the maximum sustained wind and longest radius, 32nd Conference on Hurricanes and Tropical Meteorology (San Juan, Puerto Rico).
  7. Yasunaga, K., and N. Nishi, 2016: Characteristics of Rainfall and Snowfall on the Japan Sea Coastal Region during the Winter Monsoon Season, PMM Workshop 2015 (Tokyo, Japan).
  8. Yasunaga, K., and A. Yanase, 2015: Seasonal Modulations of the Diurnal Precipitation Cycle Over the Maritime Continent, AOGS 12th Annual Meeting (Singapore).
  9. Yasunaga, K., 2015: Characteristics of Rainfall and Snowfall on the Japan Sea Coastal Region during the Winter Monsoon Season, PMM Workshop FY2014 (Tokyo, Japan).
  10. Yasunaga, K., 2015: Toward in-situ observation to validate ATLID and CPR for oceanic aerosols and clouds, EarthCARE Workshop FY2014 (Tokyo, Japan).
  11. Yasunaga, K., 2014: Observational plan to validate ATLID and CPR for aerosols and clouds over the tropical ocean, EarthCARE Workshop FY2013 (Tokyo, Japan).
  12. Yasunaga, K., 2014: Dependence of convective and stratiform rainfall fractions on precipitable water, Tropical Meteorology Workshop in Toyama (Toyama, Japan).
  13. Yasunaga, K., 2014: Dry Air Advection by Transient Eddies within an MJO, AOGS 11th Annual Meeting (Sapporo, Japan).
  14. Yasunaga, K., 2014: Moisture Advection by Rotational and Divergent Winds Associated with an MJO, CINDY/DYNAMO International Workshop (Sappporo, Japan).
  15. Yasunaga, K., 2014: Advection of Dry Air by Transient Eddies within an MJO, 31th Conference on Hurricanes and Tropical Meteorology (San Diego, California, USA).
  16. Yasunaga, K., 2013: Moisture Transport by Transient Eddies within an MJO, American Geophysical Union's 46th annual Fall Meeting (San Francisco, California, USA).
  17. Yasunaga, K., 2013: Formation and Development of Transient Eddies within an MJO, Davos Atmosphere and Cryosphere Assembly DACA-13 (Davos, Switzerland).
  18. Yasunaga, K., 2013: Formation and Development of Transient Eddies within an MJO, CINDY/DYNAMO/AMIE/LASP Joint "MJO Data and Analysis Workshop" (Big Island, Hawaii, USA).
  19. Yasunaga, K., 2012: Formation and Development of Transient Eddies within an MJO, American Geophysical Union's 45th annual Fall Meeting (San Francisco, California, USA).
  20. Yasunaga, K., 2012: Cross-equatorial Disturbances Observed Over the Tropical Indian Ocean During CINDY, AOGS – AGU (WPGM) Joint Assembly (Singapore).
  21. Yasunaga, K., M. Katsumata, and K. Yoneyama, 2012: Moisture Variations observed over the tropical Indian Ocean during CINDY, 30th Conference on Hurricanes and Tropical Meteorology (Ponte Vedra Beach, Florida, USA).
  22. Yasunaga, K., K. Yoneyama, Y. Takayabu, M. Yoshizaki and M. Fujita, 2010: Water vapor and SST variations associated with equatorial waves over the tropical Indian Ocean, 29th Conference on Hurricanes and Tropical Meteorology (Tucson, Arizona, USA).
  23. Yasunaga, K., K, Yoneyama, Y. Takayabu, and M. Yoshizaki, 2009: 3 Kelvin-type disturbances observed from October to December in 2006, The International Association of Meteorology and Atmospheric Sciences (IAMAS) (Montreal, Canada).
  24. Yasunaga, K., A. Hashimoto, and M. Yoshizaki, 2008: Numerical simulations of melting-layer cloud formation, International Commission on Clouds and Precipitation (ICCP) (Cancun, Mexico)
  25. Yasunaga, K., T. Nasuno, H. Miura, Y. N. Takayabu, and M. Yoshizaki, 2008: Semidiurnal variations in precipitation and atmospheric tides in an Aqua-planet global cloud-resolving model (Aqua-planet-NICAM), 28th Conference on Hurricanes and Tropical Meteorology (Orland, FL, USA)
  26. Yasunaga, K., A. Hashimoto, and M. Yoshizaki, 2007: Numerical simulations of melting-layer cloud formation, 12th Conference on Mesoscale Processes (Waterville Valley, NH, USA).
  27. Yasunaga, K., T. Ushiyama, K. Yoneyama, Y. Takayabu, and M. Yoshizaki, 2007: Diurnal variations in tropical oceanic cumulus convection during the MISMO, International Union of Geophysics and Geodesy (IUGG) (Perugia, Italy).
  28. Yasunaga, K., A. Hashimoto, M. Yoshizaki, 2006: Numerical simulations of the formation of melting-layer cloud, The International Workshop on High-Resolution & Cloud Modeling: Fusion of Satellite Observations and High-Resolution Modeling (Kusatsu, Japan)
  29. Yasunaga, K., K. Yoneyama, H. Kubota, H. Okamoto, A. Shimizu, H. Kumagai, M. Katsumata, N. Sugimoto, and I. Matsui, 2006: Melting-layer cloud observed over the tropical western Pacific, 27th Conference on Hurricanes and Tropical Meteorology (Monterey, CA, USA)
  30. Yasunaga, K., K. Yoneyama, H. Kubota, H. Okamoto, A. Shimizu, H. Kumagai, M. Katsumata, N. Sugimoto, and I. Matsui, 2005: Melting-layer cloud observed during MR01-K05 cruise of Res/V Mirai, 11th Conference on Mesoscale Processes(Albuquerque, NM, USA).
  31. Yasunaga, K., T. Kato, H. Sasaki, C. Muroi, K. Kurihara, Y. Sato, M. Yoshizaki, 2004: Verifications of high-resolution long-term prediction by Japan Meteorological Agency - Nonhydrostatic Model (JMA-NHM) with the Spectral Boundary Coupling (SBC) Method, International Commission on Clouds and Precipitation (ICCP) (Bologna Italy).
  32. Yasunaga, K., T. Kato, H. Sasaki, C. Muroi, K. Kurihara, Y. Sato, M. Yoshizaki, 2003: Verifications of high-resolution long-term prediction by Japan Meteorological Agency- Nonhydrostatic Model (JMA-NHM) with the Spectral Boundary Coupling (SBC) Method, SRNWP (Short-Range Numerical Weather Prediction) -Workshop on Non-Hydrostatic Modeling (Bad Orb, Germany).
  33. Yasunaga, K., H. Kida, T. Satomura, N. Nishi, 2003: A numerical study of the vertical transport of tracers by cumulus convection, International Union of Geophysics and Geodesy (IUGG) (Sapporo, Japan).
  34. Yasunaga, K., H. Kida, T. Satomura, 2002： A numerical study of the vertical transport of tracers by cumulus convection, The 2nd workshop on regional climate model (Yokohama, Japan).