International Pacific Research Center | People

Soon-Il An

Associate Researcher
[Past Staff]

International Pacific Research Center
School of Ocean and Earth Science and Technology
University of Hawaii
Honolulu, Hawaii 96822

Email:

Education

1996 - Ph.D. (Atmospheric Sciences), Seoul National University, Korea
1991 - M.S. (Atmospheric Sciences), Seoul National University, Korea
1989 - B.S. (Atmospheric Sciences), Seoul National University, Korea

Dissertation title

Ph.D.: "A critical examination of the current theories on the ENSO dynamics using an intermediate coupled ocean-atmosphere model"
Master degree: "Differences of seasonal means and transients during El-Nino (1986-1987) and Anti El-Nino (1984-1985) winters"

Research Interests

Climate dynamics: Interdecadal to the intraseasonal variability
Intermediate coupled atmosphere-ocean modeling
Conceptual air-sea coupled model

Scientific Work Experience

Associate Researcher, International Pacific Research Center, SOEST, University of Hawaii, Honolulu, Hawaii, 2002.10–2005.9
Assistant Researcher, International Pacific Research Center, SOEST, University of Hawaii, Honolulu, Hawaii, 2001.4–2002.9
Post-Doctoral Fellow, International Pacific Research Center, SOEST, University of Hawaii, Honolulu, Hawaii, 1998.4–2001.3
Research Associate, Research Institute for Basic Science, Seoul National University, 1996.9–1998.3
Part time Lecturer, Dept. of Atmospheric Sciences, Seoul National University, 1996.9–1997.8
Research Assistant, Dept. of Atmospheric Sciences, Seoul National University, 1989.3–1996.8
Teaching Assistant, Dept. of Atmospheric Sciences, Seoul National University, 1989.3–1991.3

Publications

An, S.-I., and B. Wang: The forced and intrinsic low-frequency modes in the North Pacific. J. Climate, in press.
An, S.-I., 2005: Relative roles of the equatorial upper ocean zonal current and thermocline in determining the timescale of the tropical climate system. Theor. and Appl. Climatology, 81, 121–132.
An, S.-I., W.W. Hsieh, and F.-F. Jin, 2005: A nonlinear analysis of ENSO cycle and its interdecadal changes. J. Climate, 18, 3229–3239.
An, S.-I., Y.-G. Ham, J.-S. Kug, F.-F. Jin, and I.-S. Kang, 2005: El Nino-La Nina asymmetry in the coupled model intercomparison project simulations. J. Climate, 18 (14), 2617–2627.
Kug, J.-S., S.-I. An, F.-F. Jin, and I.-S. Kang, 2005: Preconditions for El Nino and La Nina onsets and their relation to the Indian Ocean. Geophys. Res. Lett., 32, L05706, doi:10.1029/2004GL021674.
An, S.-I., 2004: A dynamical linkage between the basin-scale and zonal modes in the tropical Indian Ocean. Theoretical and Applied Climatology, 78, 203–215.
An, S.-I., 2004: Interdecadal changes in the El Nino–La Nina asymmetry. Geophys. Res. Lett., 31 (L23210), doi:10.1029/2004GL021699.
An, S.-I., and F.-F. Jin, 2004: Nonlinearity and asymmetry of ENSO. J. Climate, 17 (12), 2399–2412.
An, S.-I., A. Timmermann, L. Bejarano, F.-F. Jin, F. Justino, Z. Liu, and A.W. Tudhope, 2004: Modeling evidence for enhanced El Niño–Southern Oscillation amplitude during the Last Glacial Maximum. Paleoceanography, 19 (4), PA4009, doi:10.1029/2004PA001020.
Kang, I.-S., J.-J. Kug, S.-I. An, and F.-F. Jin, 2004: A near-annual Pacific Ocean Basin mode. J. Climate, 17, 2478–2488.
An, S.-I., 2003: Conditional maximum covariance analysis and its application to the tropical Indian Ocean SST and surface wind stress anomalies. J. Climate, 16, 2932–2938.
Jin, F.-F., S.-I. An, A. Timmermann, and J. Zhao, 2003: Strong El Niño events and nonlinear dynamical heating. Geophys. Res. Lett., 30 (3), 1120, doi:10.1029/2002GL016356.
Jin, F.-F., J.-S. Kug, S.-I. An, and I.-S. Kang, 2003: A near-annual coupled ocean-atmosphere mode in the equatorial Pacific Ocean. Geophys. Res. Lett., 30 (2), 1080, doi:10.1029/2002GL015983.
Kug, J.-S., I.-S. Kang, and S.-I. An, 2003: Symmetric and anti-symmetric mass exchanges between the equatorial and off-equatorial Pacific associated with ENSO. J. Geophys. Res.-Oceans, 108 (C8), 3284.
Wang, Bin, and Soon-Il An, 2002: A mechanism for decadal changes of ENSO behavior: Roles of background wind changes. Climate Dynamics, 18, 475–486.
An, Soon-Il, and In-Sik Kang, 2001: Tropical Pacific basin-wide adjustment and oceanic waves. Geophys. Res. Lett., 28, 3975–3978.
An, Soon-Il, and In-Sik Kang, 2001: Sensitivity of the equatorial air-sea coupled system to the zonal phase difference between SST and wind stress. Advances in Atmospheric Sciences, 18, 155–165.
Kang, In-Sik, Soon-Il An, and Fei-Fei Jin, 2001: A systematic approximation of the SST anomaly equation for ENSO. J. Meteor. Soc. Japan, 79, 1–10.
Wang, Bin, and Soon-Il An, 2001: Why the properties of El Niño changed during the late 1970s. Geophys. Res. Lett., 28, 3709–3712.
An, Soon-Il, and Fei-Fei Jin, 2001: Collective role of thermocline and zonal advective feedbacks in ENSO mode. J. Climate, 14, 3421–3432.
An, Soon-Il, and Bin Wang, 2001: Mechanisms of locking the El Niño and La Niña mature phases to boreal winter. J. Climate, 14, 2164–2176.
An, Soon-Il, and Fei-Fei Jin, 2000: An Eigen analysis of the interdecadal changes in the structure and frequency of ENSO mode. Geophys. Res. Lett., 27, 2573–2576.
An, Soon-Il, and In-Sik Kang, 2000: A further investigation of the recharge oscillator paradigm for ENSO using a simple coupled model with zonal mean and eddy separated. J. Climate, 13, 1987–1993.
An, Soon-Il, and Bin Wang, 2000: Interdecadal changes in the structure of ENSO mode and their relation to changes of ENSO frequency. J. Climate, 13, 2044–2055.
An, Soon-Il, 2000: On the slow mode of a simple air-sea coupled model: the sensitivity to the zonal phase lag between the SST and the atmospheric heating. J. Meteoro. Soc. Japan, 78 (4), 159–165.
An, Soon-Il, Fei-Fei Jin, and In-Sik Kang, 1999: The role of zonal advection feedback in phase transition and growth of ENSO in the Cane-Zebiak model. J. Meteoro. Soc. Japan, 77 (6), 1151–1160.
Jin, Fei-Fei, and Soon-Il An, 1999: Thermocline and zonal advective feedbacks within the equatorial ocean recharge oscillator model for ENSO. Geophys. Res. Lett., 26, 2989–2992.
Kang, In-Sik, and Soon-Il An, 1998: Kelvin and Rossby wave contributions to the SST oscillation of ENSO. J. Climate, 11, 2461–2469.
Kang, In-Sik, Yang-Mi Lee, and Soon-Il An, 1995: Interannual variability of typhoon activity over the western Pacific and El-Nino. J. Kor. Meteo. Soc., 31 (1), 15–26.
Kang, In-Sik, Soon-Il An, Chang-Hi Joung, Soon-Chang Yoon and Seung-Man Lee, 1989: 30-60 day oscillation signal appearing in climatological variation of outgoing longwave radiation around East Asia during summer. J. Kor. Meteo. Soc., 25 (4), 221–232.