Faculty Profiles - FUJINAMI, Hatsuki

Papers - FUJINAMI, Hatsuki

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Nocturnal Southerly Moist Surge Parallel to the Coastline Over the Western Bay of Bengal Reviewed International journal

Fujinami Hatsuki, Sato Tomonori, Kanamori Hironari, Kato Masaya

GEOPHYSICAL RESEARCH LETTERS Vol. 49 ( 18 ) 2022.9

Twice-daily monsoon precipitation maxima in the Himalayas driven by land surface effects Reviewed International coauthorship International journal

Fujinami, H. K. Fujita, N. Takahashi, T. Sato, H. Kanamori, S. Sunako and R.B. Kayastha

Journal of Geophysical Research -Atmospheres Vol. 126 ( 13 ) page： e2020JD034255 2021.7

Authorship：Lead author,　Corresponding author Language：English Publishing type：Research paper (scientific journal)

The diurnal cycle of precipitation is important to the hydroclimate in the Himalayas in summer; however, features of the diurnal cycle that affect precipitation from the foothills to glacierized, high-elevation areas are poorly understood. We investigated the diurnal cycle of precipitation using 3 years of in situ observations recorded close to a glacier at 4,806 m asl, and 17 years of data from the Tropical Rainfall Measuring Mission (TRMM) precipitation radar (PR) and the Integrated Multi-satellitE Retrieval for Global Precipitation Measurement (IMERG). The mechanisms that drive the diurnal cycle were examined using hourly European Center for Medium-Range Weather Forecasts Re-Analysis fifth generation (ERA5) data. In situ observations showed that the diurnal precipitation cycle has daytime and nighttime peaks, which both consist of high rainfall frequency and low rainfall intensity. In addition, twice-daily maxima exist in the TRMM PR data, particularly over two rain bands at around 500–1,000 m asl, and at ∼2,000 m asl. Convective-type rainfall, with a lower rain-top height, occurs in the daytime, whereas stratiform-type rain, with a higher rain-top height, occurs at night, particularly over terrain at elevations above ∼1,500 m asl. Land surface processes likely cause the two peaks in the diurnal cycle. Daytime surface heating drives upslope flows that promote condensation. At night, surface cooling over the plain to the south of the Himalayas causes low-level monsoon flows to accelerate, creating a nocturnal jet, which results in large-scale moisture flux convergence over the southern slopes.

DOI： https://doi.org/10.1029/2020JD034255

Other Link： https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2020JD034255

Statistical analysis of the horizontal phase velocity distribution of atmospheric gravity waves and medium-scale traveling ionospheric disturbances in airglow images over Sata, Japan Reviewed

Tsuboi, T., K. Shiokawa, Y. Otsuka, H. Fujinami and T. Nakamura

Journal of Geophysical Research -Space Physics Vol. 128 page： e2023JA031600 2023.12

Statistical analysis of the horizontal phase velocity distribution of atmospheric gravity waves and medium-scale traveling ionospheric disturbances in airglow images at Darwin Invited Reviewed International coauthorship

Tsuboi, T., Shiokawa, K., Otsuka, Y., Fujinami, H., Nakamura, T., and Neudegg, D

Journal of Geophysical Research: Space Physics ( 128 ) page： e2022JA030769 2023.8

Multiscale Processes Leading to Heavy Precipitation in the Eastern Nepal Himalayas Reviewed International coauthorship

Hirata, H., H. Fujinami, H. Kanamori, Y. Sato, R. B. Kayastha, M. L. Shrestha and K. Fujita

Journal of Hydrometeorology 2023.1

AsiaPEX: Challenges and Prospects in Asian Precipitation Research Invited Reviewed International coauthorship

Terao, T., S. Kanae, H. Fujinami, J. Matsumoto et al.

Bulletin of the American Meteorological Society 2022.12

Three-dimensional Fourier analysis of atmospheric gravity waves and medium-scale traveling ionospheric disturbances observed in airglow images in Hawaii over three years Reviewed

Naito, H., K. Shiokawa, Y. Otsuka, H. Fujinami, T. Tsuboi, T. Sakanoi, A. Saito, and T. Nakamura

Journal of Geophysical Research: Space Physics Vol. 127 ( 10 ) page： e2022JA030346 2022.9

Dominant spatial patterns of interannual variability in summer precipitation across northern Eurasia from Coupled Model Intercomparison Project Phase 5 models Reviewed

Abe Manabu, Fujinami Hatsuki, Hiyama Tetsuya

INTERNATIONAL JOURNAL OF CLIMATOLOGY Vol. 42 ( 10 ) page： 5173 - 5196 2022.8

Impacts of global warming on summer precipitation trend over northeastern Eurasia during 1990-2010 using large-ensemble experiments Reviewed

Kanamori Hironari, Abe Manabu, Fujinami Hatsuki, Hiyama Tetsuya

INTERNATIONAL JOURNAL OF CLIMATOLOGY 2022.7

Cloud-Resolving-Model Simulations of Nocturnal Precipitation over the Himalayan Slopes and Foothills Reviewed

Sugimoto Shiori, Ueno Kenichi, Fujinami Hatsuki, Nasuno Tomoe, Sato Tomonori, Takahashi Hiroshi G.

JOURNAL OF HYDROMETEOROLOGY Vol. 22 ( 12 ) page： 3171 - 3188 2021.12

Recent decadal enhancement of Meiyu-Baiu heavy rainfall over East Asia

Takahashi Hiroshi G., Fujinami Hatsuki

SCIENTIFIC REPORTS Vol. 11 ( 1 ) 2021.7

Recent decadal enhancement of Meiyu–Baiu heavy rainfall over East Asia Reviewed

Takahashi, H. G. and H. Fujinami

Scientific Reports Vol. 11 page： 13665 2021.7

Mesoscale precipitation systems and their role in the rapid development of a monsoon depression over the Bay of Bengal Reviewed

Fujinami, H. H. Hirata, M. Kato and K. Tsuboki

Quarterly Journal of Royal Meteorological Society Vol. 146 ( 726 ) page： 267 - 283 2020.1

Three-Dimensional Fourier Analysis of the Phase Velocity Distributions of Mesospheric and Ionospheric Waves Based on Airglow Images Collected Over 10 Years: Comparison of Magadan, Russia, and Athabasca, Canada

Tsuchiya Satoshi, Shiokawa Kazuo, Fujinami Hatsuki, Otsuka Yuichi, Nakamura Takuji, Connors Martin, Schofield Ian, Shevtsov Boris, Poddelskiy Igor

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS Vol. 124 ( 10 ) page： 8110 - 8124 2019.10

Impact of tropical deforestation and forest degradation on precipitation over Borneo Island (vol 18, pg 2907, 2017)

Takahashi Atsuhiro, Kumagai Tomo'omi, Kanamori Hironari, Fujinami Hatsuki, Hiyama Tetsuya, Hara Masayuki

JOURNAL OF HYDROMETEOROLOGY Vol. 20 ( 3 ) page： 575 - 576 2019.3

Statistical analysis of the phase velocity distribution of mesospheric and ionospheric waves observed in airglow images over a 16-year period: Comparison between Rikubetsu and Shigaraki, Japan Reviewed

Tsuchiya S., K. Shiokawa, H. Fujinami, Y. Otsuka, T. Nakamura and M. Yamamoto

J. Geophys. Res. -Space Physics Vol. 123 page： 6930 – 6947 2018.9

Effects of long- and short-term atmospheric water cycles on the water balance over the Maritime Continent Reviewed

Kanamori, H., T. Kumagai, H. Fujinami, T. Hiyama and T. Yasunari

Journal of Hydrometeorology Vol. 19 ( 9 ) page： 1413 - 1427 2018.9

Seasonal variation in the number of deaths in Pteropus lylei at Wat Pho Bang Khla temple, Thailand

Hengjan Yupadee, Sae-Koo Nikom, Phichitrasilp Thanmaporn, Ohmori Yasushige, Fujinami Hatsuki, Hondo Eiichi

JOURNAL OF VETERINARY MEDICAL SCIENCE Vol. 80 ( 8 ) page： 1364 - 1367 2018.8

Seasonal variation in mortality rates of Pteropus lylei in Wat Pho Bang Khla temple, Thailand Reviewed

Hengjan, Y., N. Sae-koo, T. Phichitrasilp, Y. Ohmori, H. Fujinami, and E. Hondo

Journal of Veterinary Medical Science Vol. 80 page： 1364 –1367 2018.7

Interpretation of ENSO-related precipitation anomalies in northwestern Borneo using isotopic tracers Reviewed

Kurita, N., M. Horikawa, H. Kanamori, H. Fujinami, T. Kumagai, T. Kume and T. Yasunari

Hydrological Processes Vol. 32 ( 14 ) page： 2176 - 2186 2018.7

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Papers - FUJINAMI, Hatsuki