News

  • updated 2017-07-08

New paper was published!
Fujita, M. and T. Sato, 2017: Observed behaviours of precipitable water vapour and precipitation intensity in response to upper air profiles estimated from surface air temperature. Scientific Reports, doi:10.1038/s41598-017-04443-9. [open access]
Press release from JAMSTEC,
- English page "Water Vapor Content Increases Markedly with Increase in Air Temperature - Indication of the possibility of more intense precipitation -"
- 日本語ページ「気温上昇で急激に増加する水蒸気量―降水がより激しくなる可能性を指摘―」
   
New project is started!
Project for the development of shipborne GNSS water vapor observation system (船上搭載型GNSSによる海上可降水量観測システムの構築) is started supporting by JSPS KAKENHI Challenging Research (Exploratory).

Interests

GPS/GNSS atmospheric observation
- Development of observational system (on ship, buoy, and other platforms)
- Climate response of water vapor and precipitation
   
Tropical Climatology
- Interaction between tropical disturbance (ISV, MJO) and local circulation (e.g. Diurnal cycle)
- Tropical cyclones and climate change

Education

Mar. 2010: Ph. D., Graduate School of Life and Environmental Sciences, University of Tsukuba, Japan
Mar. 2003: MSc in Environmental Sciences, Graduate School of Life and Environmental Sciences, University of Tsukuba, Japan
Mar. 2001: BSc in Science, Faculty of Science, Shizuoka University, Shizuoka, Japan

Professional career

2014 – xxxx: Research scientist, JAMSTEC
2011 – 2014: Project researcher (Research Program on Climate Change Adaptation), JAMSTEC
2004 – 2011: Technical staff, JAMSTEC
2003 – 2004: Private company

Award

ION GNSS+ 2014 Best Presentation Award
Fujita, M., A. Wada, T. Iwabuchi, C. Rocken,
"Tropospheric Monitoring Over the Ocean using Shipborne GNSS Receiver"
ION GNSS+ 2014 Meeting, September 8-12, 2014 at the Tampa Convention Center in Tampa, Florida.

Major Papers

  • updated 2017-07-08

Find from Google scholar citations or ORCiD.
Follow me pls! ResearchGate

Fujita, M., et al., "Projecting the impact of tropical cyclones on precipitation patterns around Japan under a warmer climate using a NICAM AMIP-Type 25-year simulation", under review.
  1. Fujita, M., T. Sato, 2017:
    Observed behaviours of precipitable water vapour and precipitation intensity in response to upper air profiles estimated from surface air temperature.
    Scientific Reports, 7, 4233. doi:10.1038/s41598-017-04443-9. [link]
  2. Wakazuki, Y., M. Hara, M. Fujita, X. Ma, T. Inoue, F. Kimura, T. Koike, 2016:
    Probabilistic Climate Change Projection in Kanto and Japan Alps Regions Using Incremental Dynamical Downscaling.
    Journal of Japan Society of Civil Engineers, 72, (4), I_55-I_60.
  3. Rasmy, M., T. Koike, P. Lawford, H. Masayuki, M. Fujita, F. Kimura, 2015:
    Assessment of Future Water Resources in the Tone River Basin Using a Combined Dynamical-Statistical Downscaling Approach.
    Journal of Japan Society of Civil Engineers, 71, (4), I_73-I_78. [link]
  4. Wakazuki, Y., M. Hara, M. Fujita, C. Suzuki, X. Ma, F. Kimura, 2015:
    Effect of climate change on the snow disappearance date in mountainous areas of central Japan.
    Hydrological Res. Lett., 9(2), 20-26. [link]
  5. Fujita, M., A. Wada, T. Iwabuchi, C. Rocken, 2014:
    Tropospheric monitoring over the ocean using shipborne GNSS receiver.
    Proceedings of the ION GNSS 2014, 1085-1089. [link]
  6. Rasmy, M., M. Shresth, T. Koike, M. Hara, M. Fujita, F. Kimura, 2014:
    A combined dynamical/statistical downscaling approach for assessing future of water resources in the Tone river basin, Japan.
    Journal of Japan Society of Civil Engineering, 70(4), I_187-I_192. [link]
  7. Ma, X., H. Kawase, S. Adachi, M. Fujita, H. G. Takahashi, M. Hara, N. Ishizaki, T. Yoshikane, H. Hatsushika, Y. Wakazuki, F. Kimura, 2013:
    Simulating river discharge in a snowy region of Japan using output from a regional climate model.
    Adv. Geosci., 35, 55-60. [link]
  8. Fujita, M., H. G. Takahashi, M. Hara, 2013:
    Diurnal cycle of precipitation over the eastern Indian Ocean off Sumatra Island during different phases of Indian Ocean Dipole.
    Atmos. Sci. Lett., doi: 10.1002/asl2.432. [link]
  9. Rasmy, M., T, Koike, P.A.Jaranilla-Sanchez, C. T. Nyunt, M. Hara, M. Fujita, H. Kawase, 2013:
    Identifying Gaps and Opportunities Between Statistical and Dynamical Downscaling Approaches Over Shikoku Island, Japan.
    Journal of Japan Society of Civil Engineering, 69(4), I_133-I_138. [link]
  10. Fujita, M., A. Wada, T. Iwabuchi, C. Rocken, 2012:
    GPS Precipitable Water Vapor Dataset for Climate Science.
    Proceedings of the ION GNSS 2012, 3454-3458. [link]
  11. Takahashi, H. G., M. Hara, M. Fujita, T. Yoshikane, 2012:
    A discrepancy in precipitable water among reanalyses and the impact of forcing dataset on downscaling in the tropics.
    Atmos. Chem. Phys. Discuss., 12, 23759-23791. [link]
  12. Kawase, H., T. Yoshikane, M. Hara, M. Fujita, N. N. Ishizaki, F. Kimura, H. Hatsushika, 2012:
    Downscaling of Snow Cover Changes in the Late 20th Century Using a Past Climate Simulation Method over Central Japan.
    SOLA, 8, 61-64. [link]
  13. Fujita, M., K. Yoneyama, and S. Mori, T. Nasuno, M. Satoh, 2011:
    Diurnal convection peaks over the eastern Indian Ocean off Sumatra during different MJO phases.
    J. Met. Soc. Japan, 89A, 317-330. [link]
  14. Fujita, M., F. Kimura, M. Yoshizaki, 2010:
    Morning precipitation peak over the Strait of Malacca under a calm condition.
    Mon. Wea. Rev, 138, No. 4. 1474–1486. [link]
  15. Yasunaga, K., K. Yoneyama, Q. Moteki, M. Fujita, Y. N. Takayabu, J. Suzuki, T. Ushiyama, B. Mapes, 2010:
    Characteristics of 3-4-day and 6-8-day period disturbances observed over the tropical Indian Ocean.
    Mon. Wea. Rev, 138, No. 4, 4158–4174. [link]
  16. Fujita, M., F. Kimura, K. Yoneyama, M. Yoshizaki, 2008:
    Verification of precipitable water vapor estimated from shipborne GPS measurements.
    Geophys. Res. Lett., 35, L13803. [link]
  17. Yoneyama, K., M. Fujita, N. Sato, M. Fujiwara, Y. Inai, F. Hasebe, 2008:
    Correction for Radiation Dry Bias Found in RS92 Radiosonde Data during the MISMO Field Experiment.
    SOLA, 4, 13–16. [link]
  18. Yoneyama, K., Y. Masumoto, Y. Kuroda, M. Katsumata, K. Mizuno, Y. N. 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, T. Miyakawa, 2008:
    MISMO field experiment in the equatorial Indian Ocean.
    Bull. Amer. Meteor. Soc., 89, 1889–1903, doi: 10.1175/2008BAMS2519.1. [link]
  19. Yasunaga, K., M. Fujita, T. Ushiyama, K. Yoneyama, Y. N. Takayabu, M. Yoshizaki, 2008:
    Diurnal Variations in Precipitable Water Observed by Shipborne GPS over the Tropical Indian Ocean.
    SOLA, 4, 97-100. [link]
  20. 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, T. Chuda, 2008:
    Mechanism of the northward propagation of mesoscale convective systems observed on 15 June 2005 during PALAU2005.
    J. Geophys. Res., 113, D14126, doi: 10.1029/2008JD009793. [link]
  21. Rocken, C., T. Iwabuchi, Z. Lukes, L. Mervart, M. Fujita, M. Kanzaki, 2008:
    Precise Positioning of Ships and Buoys in the Open Ocean - Results from a 3-Month Indian Ocean Cruise, and a tsunami Buoy off Japan's Coast.
    Proceedings of the ION GNSS 2008, 2465-2472.[link]
  22. 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, T. Chuda, 2007:
    The Impact of the Assimilation of Dropsonde Observations during PALAU2005 in ALERA.
    SOLA, 3, 97-100. [link]
  23. Fujita, M., T. Sasaki, F. Kimura, 2006:
    A Dramatic Daytime Decrease in Water Vapor over Coastal Thailand.
    SOLA, 2, 49–52. [link]

Funding

  • updated 2017-07-08

Development of shipborne GNSS water vapor observation system
JSPS KAKENHI Challenging Research (Exploratory) Grant Number JP 17K18963, July 2017 – March 2020, PI: Mikiko Fujita
 
Estimation of extreme precipitation by dynamical downscaling of ensemble forecast data
JSPS KAKENHI Grant-in-Aid for Young Scientists (B) Grant Number JP 15K16316, April 2015 – March 2017, PI: Mikiko Fujita
 
Analysis for Climate Change in Water Vapor Variation
Global Environmental Research and Technology Development Fund of the Ministry of the Environment, Japan (2RF-1304), April 2013 – March 2016, PI: Mikiko Fujita
 
Archiving of GPS water vapor data for global warming assessment
Global Environmental Research and Technology Development Fund of the Ministry of the Environment, Japan (RFa-1101), April 2011 – March 2013, PI: Mikiko Fujita

Service

Review experiences
- Atmosphere
- International Journal of Climatology
- Journal of Geophysical Research: Atmospheres
- Journal of the Meteorological Society of Japan
- Monthly Weather Review
- Scientific Online Letters on the Atmosphere
- Quarterly Journal of the Royal Meteorological Society
- Tenki (in Japanese)

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