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Yongshun John Chen

(Visiting Professor & Director of IATG, Peking University)

[E-Mail]johnyc@pku.edu.cn

[TEL](86) 10-6275-8277

[FAX](86) 10-6276-8894

[CV]
B.S.,Geophysics, University of Science and Technology of China, China7/1982
M.S.,Geophysics, Princeton University, USA6/1985
Ph.D.,Geophysics, Princeton University, USA4/1989
Dissertation: Dynamics of mid-ocean ridge systems(Advisor: W. Jason Morgan)

Postgraduate Research Geophysicist,Scripps Institution of Oceanography1989-90
University of California, San Diego (UCSD), USA
Assistant Professor of Geophysics, Oregon State University, USA1991-96
Visiting Professor, Scripps Institution of Oceanography, UCSD, USA 1994-95
Associate Professor of Geophysics, Oregon State University, USA1996-01
"Chang Jiang" Professor of Geophysics, Peking University, China2002-
Director, Institute of Applied and Theoretical Geophysics (IATG), 2002-
School of Earth and Space Sciences (SESS), Peking University, China

[Research interests]
Global plate tectonics and plate boundary processes;
Geodynamics;
Marine geophysics;
Deformation of continental lithosphere and large-scale tectonics.

[Professional Activities]
Member, American Geophysical Union (AGU)1983-
Member, Geological Society of America (GSA)1994-
Member, International Professionals for the Advancement of Chinese Earth Sciences (IPACES)1999-
Member, Geophysical Society of China (GSC)2001-
Chairman, Tectonophysics, Pacific Northwest American Geophysical Union1994-97
Faculty advisor at Oregon State Univ., Society of Exploration Geophysicists1997-02
Associate Editor, Journal of Geophysical Research (Solid Earth)1996-99
Member, Science Steering and Evaluation Panel, IODP2001-
Member, Science Steering Committee, IODP-China2003-
Chair, Steering Committee of InterRidge-China2003-

[Award]
Green Scholar Fellowship, Scripps Institution of Oceanography, UCSD1989-90
Fellowship, NSF/Southern California Earthquake Center, Los Angels, CA1994-95
National Science Fund for Distinguished Young Scholars2002-05

[Main publications]
Chen, Y., and W. J. Morgan, Rift valley/no rift valley transition at mid-ocean ridges, Journal of Geophysical
Research, 95, 17,571-17,581, 1990.

Chen, Y., and W. J. Morgan, A nonlinear-rheology model for mid-ocean ridge axis topography, Journal of
Geophysical Research, 95, 17,583-17,604, 1990.

Chen, Y., and J. B. Minster, Slip line model for southern California crustal kinematics,Tectonics, 10, 577-586, 1991.
Chen, Y., Oceanic crustal thickness versus spreading rate, Geophysical Research Letters, 19, 753-756, 1992.
Phipps Morgan, J., and Y. J. Chen, The genesis of oceanic crust: Magma injection, hydrothermal circulation,
and crustal flow, Journal of Geophysical Research, 98, 6283-6297, 1993.
Phipps Morgan, J., and Y. J. Chen, Dependence of ridge-axis morphology on magma supply and spreading rate,
Nature, 364, 706-708, 1993.
Chen, Y. J., and J. Phipps Morgan, The effect of magma emplacement geometry, spreading rate, and crustal
thickness on hydrothermal heat flux at mid-ocean ridge axes,Journal of Geophysical Research,
101, 11,475-11,482, 1996.

Chen, Y. J., Constraints on the melt production rate beneath the mid-ocean ridges based on passive flow models,
Pure and Applied Geophys., 146, 590-620, 1996.
Chen, Y. J., K. D. Enriquez, and P. Lonsdale, Does the mid-ocean ridge propagate concurrently both on the seafloor
and at depth? Implications from a gravity study of a large nontransform offset at 36.5?S, East Pacific
Rise, Journal of Geophysical Research, 101, 28,281-28,289, 1996.
Chen, Y. J. and J. Lin, Mechanisms for the formation of ridge-axis topography at slow-spreading ridges: a lithospheric-
plate flexural model,Geophys. J. International, 136, 8-18, 1999.
Chen, Y. J., Dependence of crustal accretion and ridge axis topography on spreading rate, mantle temperature,
and hydrothermal cooling, in Dilek, Y., Moores, E.M., Elthon, D., and Nicolas, A., eds., Ophiolites
and Oceanic Crust: New Insights from Field Studies and the Ocean Drilling Program; Boulder,
Colorado, Geological Society of America Special Paper 349, p. 161-179, 2000.
Chen, Y. J., Thermal effects of gabbro accretion from a deeper second melt lens at the fast spreading East Pacific
Rise,Journal of Geophysical Research, 106, 8581-8588, 2001.
Chen, Y. J., Influence of the Iceland mantle plume on crustal accretion at the inflated Reykjanes Ridge - Magma
lens and low hydrothermal activity? Journal of Geophysical Research, 108(B11), 2524,
10.1029/2001JB000816, 12 November 2003.

Chen, Y. J. and J. Lin, High sensitivity of ocean ridge thermal structure to changes in magma supply: the Galapagos
Spreading Center,Earth and Planetary Science Letters, 221, 263-273, 2004.
Chen, Y. J., Modeling the thermal state of the oceanic crust, in "Hydorthermal system and mid-ocean ridge processes",
edited by C. German and J. Lin, AGU Special Monograph, in press.
Chen, Y. J., editor, Earth's Structure, Environment and Harzards, Chinese Higher Education Press, Beijing, pp. 230,
in press (in Chinese).


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