Hiroki Tokinaga, Associate Professor

Refereed Publications


Tokinaga, H., S.-P. Xie and H. Mukougawa, 2017: Early 20th-century Arctic warming intensified by Pacific and Atlantic multidecadal variability. PNAS, 114, 6227-6232, doi:10.1073/pnas.1615880114.[Article]


Wang, H., S.-P. Xie, H. Tokinaga, Q. Liu and Y. Kosaka, 2016: Detecting cross-equatorial wind change as a fingerprint of climate response to anthropogenic aerosol forcing. Geophys. Res. Lett., 43, doi:10.1002/2016GL068521.[Article]


Chikamoto, M. O., A. Timmermann, Y. Chikamoto, H. Tokinaga, and N. Harada, 2015: Mechanisms and predictability of multiyear ecosystem variability in the North Pacific. Global Biogeochem. Cycles, 29, 2001–2019, doi:10.1002/2015GB005096. [Article]

Yang, Y., S.-P. Xie, Y. Du, H. Tokinaga, 2015: Interdecadal difference of interannual variability characteristics of South China Sea SSTs associated with ENSO. J. Climate, 28, 7145-7160. [Article] ©2015 AMS


Tomita, H., S.-P. Xie, H. Tokinaga, and Y. Kawai, 2013: Cloud response to the meandering Kuroshio Extension front. J. Climate, 26, 9393-9398. [Article] ©2013 AMS


Tokinaga, H., S.-P. Xie, C. Deser, Y. Kosaka, and Y. M. Okumura, 2012: Slowdown of the Walker circulation driven by tropical Indo-Pacific warming. Nature, 491, 439-443, doi: 10.1038/nature11576. [Article] [Supplementary Information] ©2012 NPG

Tokinaga, H., S.-P. Xie, A. Timmermann, S. McGregor, T. Ogata, H. Kubota, and Y.M. Okumura, 2012: Regional patterns of tropical Indo-Pacific climate change: Evidence of the Walker Circulation weakening. J. Climate, 25, 1689-1710. [Article] ©2012 AMS; [Highlight in Nature Geosci.]; [2012 Yamamoto-Shyono Medal from the Meteorological Society of Japan (in Japanese)]

Chowdary, J. S., S.-P. Xie, H. Tokinaga, Y. M. Okumura, H. Kubota, N. C. Johnson, and X.-T. Zheng, 2011: Interdecadal variations in ENSO teleconnection to the Indo-western Pacific for 1870-2007. J. Climate, 25, 1722-1744. [Article] ©2012 AMS


Tokinaga, H., and S.-P. Xie, 2011: Weakening of the equatorial Atlantic cold tongue over the past six decades. Nature Geosci. 4, 222-226, doi:10.1038/ngeo1078. [Article] [Supplementary Information] ©2011 NPG

Tokinaga, H., and S.-P. Xie, 2011: Wave and Anemometer-based Sea-surface Wind (WASWind) for climate change analysis. J. Climate, 24, 267-285. [Article] ©2011 AMS

Cheng, X., S.-P. Xie, H. Tokinaga, and Y. Du, 2011: Interannual variability of high-wind occurrence over the North Atlantic J. Climate, 24, 6515-6527. [Article] ©2011 AMS

Tanimoto, Y., T. Kanenari, H. Tokinaga, and S.-P. Xie, 2011: Sea level pressure minimum along the Kuroshio and its extension. J. Climate, 24, 4419-4434. [Article] ©2011 AMS


Minobe, S., A. Kuwano-Yoshida, M. Miyashita, H. Tokinaga, and S.-P. Xie, 2010: Atmospheric response to the Gulf Stream: Seasonal variations. J. Climate, 23, 3699-3719. [Article] ©2010 AMS

Nagano, A., K. Ichikawa, H. Ichikawa, H. Tomita, H. Tokinaga, and M. Konda, 2010: Stable volume and heat transports of the North Pacific subtropical gyre reveled by identifying the Kuroshio water in synoptic hydrography south of Japan. J. Geophys. Res.-Oceans, 115, doi:10.1029/2009JC005747. [Article] ©2010 AGU

Xie, S.-P., Y. Du, G. Huang, X.-T. Zheng, H. Tokinaga, K. Hu, and Q. Liu, 2010: Decadal shift in El Nino influences on Indo-western Pacific and East Asian climate in the 1970s. J. Climate, 23, 3352-3368. [Article] ©2010 AMS

Xu, H., H. Tokinaga, and S.-P. Xie, 2010: Atmospheric effects of the Kuroshio large meander during 2004-05. J. Climate, 23, 4704-4715. [Article] ©2010 AMS


Tokinaga, H., Y. Tanimoto, S.-P. Xie, T. Sampe, H. Tomita, and H. Ichikawa, 2009: Ocean frontal effects on the vertical development of clouds over the western North Pacific: In situ and satellite observations. J. Climate, 22, 4241-4260. [Article] ©2009 AMS

Tokinaga, H., and S.-P. Xie, 2009: Ocean tidal cooling effect on summer sea fog over the Okhotsk Sea. J. Geophys. Res.-Atmos., 114, D14102, doi:10.1029/2008JD011477. [Article] ©2009 AGU

Tanimoto, Y., S.-P. Xie, K. Kai, H. Okajima, H. Tokinaga, T. Murayama, M. Nonaka, and H. Nakamura, 2009: Observations of marine atmospheric boundary layer transitions across the summer Kuroshio Extension. J. Climate, 22, 1360-1374. [Article] ©2009 AMS

Xie, S.-P., K. Hu, J. Hafner, H. Tokinaga, Y. Du, G. Huang, and T. Sampe, 2009: Indian Ocean capacitor effect on Indo-western Pacific climate during the summer following El Nino. J. Climate, 22, 730-747. [Article] ©2009 AMS


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. SOLA, 3, 97-100. [Article] ©2007 MSJ


Tokinaga, H., Y. Tanimoto, M. Nonaka, B. Taguchi, T. Fukamachi, S.-P. Xie, H. Nakamura, T. Watanabe, and I. Yasuda, 2006: Atmospheric sounding over the winter Kuroshio Extension: Effect of surface stability on atmospheric boundary layer structure. Geophys. Res. Lett., 33, doi:10.1029/2005GL025102. [Article] ©2006 AGU

Sato, N., H. Tokinaga, R. Shirooka, and N. Suginohara, 2006: Influence of mechanical mixing on a low summertime SST in the western North Pacific ITCZ region. Geophys. Res. Lett., 33, doi:10.1029/2006GL025997. [Article] ©2006 AGU


Tokinaga, H., Y. Tanimoto, and S.-P. Xie, 2005: SST-induced surface wind variations over the Brazil-Malvinas confluence: Satellite and in situ observations. J. Climate, 18, 3470-3482. [Article] ©2005 AMS


Tokinaga, H., and Y. Tanimoto, 2004: Seasonal transition of SST anomalies in the tropical Indian Ocean during El Nino and Indian Ocean dipole years. J. Meteor. Soc. Japan, 82, 1007-1018. [Article] ©2004 MSJ


Tanaka, H.L., and H. Tokinaga, 2002: Baroclinic instability in high latitudes induced by polar vortex: A connection to the arctic oscillation. J. Atmos. Sci., 59, 69-82. [Article] ©2002 AMS

Xie, S.-P., J. Hafner, Y. Tanimoto, W.T. Liu, H. Tokinaga, and H.M. Xu, 2002: Bathymetric effect on the winter sea surface temperature and climate of the Yellow and East China Seas. Geophys. Res. Lett., 29, doi:10.1029/2002GL015884R. [Article] ©2002 AGU

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Other publications

Tokinaga, H., 2014: Study of long-term tropical ocean changes caused by ocean-atmosphere interaction, Umi no Kenkyu, 23, 111-125. [Article in Japanese]

Tokinaga, H., Y. Kosaka, and S.-P. Xie, 2011: Indian Ocean Dipole and Basin-wide modes. Tenki, 53, 231-233. [Article in Japanese]

Tokinaga, H., S.-P. Xie, F. Kobashi, and Y. Tanimoto, 2009: Local and remote influences of the Kuroshio Extension on the atmosphere. U.S. CLIVAR Variations, 7(1), 1-4. [Article]

Tomita, H., H. Tokinaga, and Y. Tanimoto, 2008: Estimation of surface air specific humidity using satellite data over the Kuroshio Extension region. Monthly Kaiyo, 49, 93-99 (in Japanese).

Konda, M., H. Ichikawa, A. Nagano, H. Tokinaga, and I. Yasuda, 2008: Observational analysis of the variability of the sea surface heat flux near the temperature front in the Kuroshio Extension region. Monthly Kaiyo, 49, 83-92 (in Japanese).

Kobashi, F., Y. Tanimoto, N. Iwasaka, T. Murayama, M. Nonaka, H. Tokinaga, and M. Konda, 2008: Variation of marine atmospheric boundary layer observed over the winter Kuroshio Extension. Monthly Kaiyo, 49, 49-56 (in Japanese).

Tanimoto, Y., S.-P. Xie, K. Kai, H. Tokinaga, H. Okajima, T. Murayama, M. Nonaka, and H. Nakamura, 2008: Modifications of marine atmospheric boundary layer across summer Kuroshio Extension. Monthly Kaiyo, 49, 42-48 (in Japanese).

Tanimoto, Y., H. Tokinaga, and K. Kai, 2006: In-situ observations of Kuroshio extension's influence on the atmosphere. Monthly Kaiyo, 44, 75-80 (in Japanese).

Xie, S.-P., M. Nonaka, Y. Tanimoto, H. Tokinaga, H.M. Xu, W.S. Kessler, R.J. Small, W.T. Liu, and J. Hafner, 2004: A fine view from space. Bull. Amer. Meteor. Soc., 85, 1060-1062. [Article]

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