2026 Yu Kosaka: Environmental Sciences Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Environmental Sciences	40	7918	7608	158	155	160	10148

Overview

Yu Kosaka is affiliated with the University of Tokyo in Japan and has contributed extensively to Earth and Planetary Sciences as well as Environmental Science. Their body of work includes over 100 publications in these main fields, with a focus on Global and Planetary Change, Atmospheric Science, and Oceanography among other subfields.

Their research covers several core topics, primarily Climate variability and models, Meteorological Phenomena and Simulations, and Oceanographic and Atmospheric Processes. Other areas explored include Tropical and Extratropical Cyclones Research, Atmospheric Ozone and Climate, Atmospheric and Environmental Gas Dynamics, and Marine and coastal ecosystems.

Yu Kosaka's recent notable papers include:

Physical drivers of the summer 2019 North Pacific marine heatwave (2020, Nature Communications)
Enhanced warming constrained by past trends in equatorial Pacific sea surface temperature gradient (2020, Nature Climate Change)
Intensification of El Niño-induced atmospheric anomalies under greenhouse warming (2021, Nature Geoscience)
Projected ENSO Teleconnection Changes in CMIP6 (2022, Geophysical Research Letters)
Mechanisms of tropical Pacific decadal variability (2023, Nature Reviews Earth & Environment)

Yu Kosaka frequently collaborates with several researchers, including Hisashi Nakamura, Shang-Ping Xie, Hiroki Tokinaga, Ayumu Miyamoto, and Masahiro Watanabe. These coauthors have partnered on numerous publications, indicating a network of recurring scholarly interaction.

The scientist's research has been published across various venues, with significant contributions to the Journal of Climate, Geophysical Research Letters, Nature Climate Change, npj Climate and Atmospheric Science, and SOLA. Their involvement in these journals reflects a broad engagement with the climate and atmospheric science communities.

Best Publications

Recent global-warming hiatus tied to equatorial Pacific surface cooling

Yu Kosaka;Shang-Ping Xie;Shang-Ping Xie;Shang-Ping Xie

1916
Citations
Indo-Western Pacific Ocean Capacitor and Coherent Climate Anomalies in Post-ENSO Summer: A Review

Shang-Ping Xie;Shang-Ping Xie;Yu Kosaka;Yan Du;Kaiming Hu

758
Citations
Structure and dynamics of the summertime Pacific–Japan teleconnection pattern

Y. Kosaka;H. Nakamura

494
Citations
Making sense of the early-2000s warming slowdown

John C. Fyfe;Gerald A. Meehl;Matthew H. England;Michael E. Mann

402
Citations
Slowdown of the Walker circulation driven by tropical Indo-Pacific warming

Hiroki Tokinaga;Shang Ping Xie;Shang Ping Xie;Clara Deser;Yu Kosaka

369
Citations
CERA-20C: A Coupled Reanalysis of the Twentieth Century

Patrick Laloyaux;Eric de Boisseson;Magdalena Balmaseda;Jean-Raymond Bidlot

327
Citations
Origin of seasonal predictability for summer climate over the Northwestern Pacific

Yu Kosaka;Shang Ping Xie;Shang Ping Xie;Shang Ping Xie;Ngar Cheung Lau;Gabriel Andres Vecchi

326
Citations
A reconciled estimate of the influence of Arctic sea-ice loss on recent Eurasian cooling

Masato Mori;Yu Kosaka;Masahiro Watanabe;Hisashi Nakamura

306
Citations
Physical drivers of the summer 2019 North Pacific marine heatwave.

Dillon J. Amaya;Arthur J. Miller;Shang-Ping Xie;Yu Kosaka

304
Citations
Increasing occurrence of cold and warm extremes during the recent global warming slowdown

Nathaniel C. Johnson;Shang-Ping Xie;Yu Kosaka;Yu Kosaka;Xichen Li;Xichen Li

298
Citations
Mechanisms of Meridional Teleconnection Observed between a Summer Monsoon System and a Subtropical Anticyclone. Part I: The Pacific–Japan Pattern

Y. U. Kosaka;Hisashi Nakamura

257
Citations
Mechanisms for Tropical Tropospheric Circulation Change in Response to Global Warming

Jian Ma;Shang-Ping Xie;Yu Kosaka

214
Citations
Analysis on the Dynamics of a Wave-like Teleconnection Pattern along the Summertime Asian Jet Based on a Reanalysis Dataset and Climate Model Simulations

Yu Kosaka;Hisashi Nakamura;Hisashi Nakamura;Masahiro Watanabe;Masahide Kimoto

213
Citations
The tropical Pacific as a key pacemaker of the variable rates of global warming

Yu Kosaka;Shang-Ping Xie

205
Citations
Limitations of Seasonal Predictability for Summer Climate over East Asia and the Northwestern Pacific

Yu Kosaka;J. S. Chowdary;Shang-Ping Xie;Young-Mi Min

199
Citations
Dynamics of Interannual Variability in Summer Precipitation over East Asia

Yu Kosaka;Shang-Ping Xie;Hisashi Nakamura

196
Citations
The Impact of Poleward Moisture and Sensible Heat Flux on Arctic Winter Sea Ice Variability

Hyo Seok Park;Sukyoung Lee;Seok Woo Son;Steven B. Feldstein

192
Citations
Seasonality and Predictability of the Indian Ocean Dipole Mode: ENSO Forcing and Internal Variability

Yun Yang;Shang Ping Xie;Shang Ping Xie;Lixin Wu;Yu Kosaka

164
Citations
Enhanced warming constrained by past trends in equatorial Pacific sea surface temperature gradient

Masahiro Watanabe;Jean-Louis Dufresne;Yu Kosaka;Thorsten Mauritsen

148
Citations
Intensification of El Niño-induced atmospheric anomalies under greenhouse warming

Kaiming Hu;Gang Huang;Ping Huang;Yu Kosaka

133
Citations
Decadal increase in Ningaloo Niño since the late 1990s

Ming Feng;Harry H. Hendon;Shang-Ping Xie;Andrew G. Marshall

126
Citations
Predictability of summer northwest Pacific climate in 11 coupled model hindcasts: Local and remote forcing

J. S. Chowdary;Shang-Ping Xie;June-Yi Lee;Yu Kosaka

98
Citations

Frequent Co-Authors

Shang-Ping Xie University of California, San Diego

Hisashi Nakamura University of Tokyo

Masahiro Watanabe University of Tokyo

Arthur J. Miller University of California, San Diego

Masahide Kimoto University of Tokyo

Nathaniel C. Johnson Geophysical Fluid Dynamics Laboratory

Yan Du Chinese Academy of Sciences

June-Yi Lee Pusan National University

Gabriel A. Vecchi Princeton University

Ngar-Cheung Lau Chinese University of Hong Kong

External Links

Personal website of Yu Kosaka

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