The core-mantle boundary layer and deep Earth dynamics

被引:326
作者
Lay, T [1 ]
Williams, Q
Garnero, EJ
机构
[1] Univ Calif Santa Cruz, Dept Earth Sci, Santa Cruz, CA 95064 USA
[2] Univ Calif Berkeley, Seismol Lab, Berkeley, CA 94720 USA
关键词
D O I
10.1038/33083
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Recent seismological work has revealed new structures in the boundary layer between the Earth's core and mantle that are altering and expanding perspectives of the role this region plays in both core and mantle dynamics. Clear challenges for future research in seismological, experimental, theoretical and computational geophysics have emerged, holding the key to understanding both this dynamic system and geological phenomena observed at the Earth's surface.
引用
收藏
页码:461 / 468
页数:8
相关论文
共 95 条
[1]  
[Anonymous], EARTH PLANET SC LETT, DOI DOI 10.1016/0012-821X(95)00158-9
[2]   Electromagnetic core-mantle coupling and paleomagnetic reversal paths [J].
Aurnou, JM ;
Buttles, JL ;
Neumann, GA ;
Olson, PL .
GEOPHYSICAL RESEARCH LETTERS, 1996, 23 (19) :2705-2708
[3]   LONG-WAVE ELASTIC ANISOTROPY PRODUCED BY HORIZONTAL LAYERING [J].
BACKUS, GE .
JOURNAL OF GEOPHYSICAL RESEARCH, 1962, 67 (11) :4427-&
[4]   INHOMOGENEITIES NEAR THE CORE-MANTLE BOUNDARY EVIDENCED FROM SCATTERED WAVES - A REVIEW [J].
BATAILLE, K ;
WU, RS ;
FLATTE, SM .
PURE AND APPLIED GEOPHYSICS, 1990, 132 (1-2) :151-173
[5]   The non-linear initiation of diapirs and plume heads [J].
Bercovici, D ;
Kelly, A .
PHYSICS OF THE EARTH AND PLANETARY INTERIORS, 1997, 101 (1-2) :119-130
[6]   ELASTICITY AND CONSTITUTION OF THE EARTH INTERIOR [J].
BIRCH, F .
JOURNAL OF GEOPHYSICAL RESEARCH, 1952, 57 (02) :227-286
[7]   FLUID-FLOW NEAR THE SURFACE OF EARTHS OUTER CORE [J].
BLOXHAM, J ;
JACKSON, A .
REVIEWS OF GEOPHYSICS, 1991, 29 (01) :97-120
[8]   TEMPERATURES IN THE EARTHS CORE FROM MELTING-POINT MEASUREMENTS OF IRON AT HIGH STATIC PRESSURES [J].
BOEHLER, R .
NATURE, 1993, 363 (6429) :534-536
[9]  
Cohen R E, 1992, HIGH PRESSURE RES AP, P425
[10]  
COURTILLOT V, 1995, CR ACAD SCI II, V320, P903