EARTHS GRAVITATIONAL-FIELD - SEISMIC TOMOGRAPHY RESOLVES THE ENIGMA OF THE LAURENTIAN ANOMALY

被引：47
作者：
PELTIER, WR
FORTE, AM
MITROVICA, JX
DZIEWONSKI, AM
机构：
[1] HARVARD UNIV,HOFFMAN LAB,DEPT EARTH & PLANETARY SCI,CAMBRIDGE,MA 02138
[2] HARVARD SMITHSONIAN CTR ASTROPHYS,CAMBRIDGE,MA 02138
来源：
GEOPHYSICAL RESEARCH LETTERS | 1992年 / 19卷 / 15期
关键词：
D O I：
10.1029/92GL01701
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
We demonstrate that the negative free air gravity anomaly over Hudson Bay is not due to glacial isostatic disequilibrium but rather to the influence of large scale mantle convection.
引用
收藏
页码：1555 / 1558
页数：4
相关论文
共 18 条
  • [1] CAZANAVE A, 1991, GEOPHYS RES LETT, V18, P1257
  • [2] TOPOGRAPHY OF THE OCEAN-FLOOR - THERMAL EVOLUTION OF THE LITHOSPHERE AND INTERACTION OF DEEP MANTLE HETEROGENEITIES WITH THE LITHOSPHERE
    COLIN, P
    FLEITOUT, L
    [J]. GEOPHYSICAL RESEARCH LETTERS, 1990, 17 (11) : 1961 - 1964
  • [3] MAPPING THE LOWER MANTLE - DETERMINATION OF LATERAL HETEROGENEITY IN P-VELOCITY UP TO DEGREE AND ORDER-6
    DZIEWONSKI, AM
    [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1984, 89 (NB7): : 5929 - +
  • [4] VISCOUS-FLOW MODELS OF GLOBAL GEOPHYSICAL OBSERVABLES .1. FORWARD PROBLEMS
    FORTE, AM
    PELTIER, R
    [J]. JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, 1991, 96 (B12) : 20131 - 20159
  • [5] PLATE-TECTONICS AND ASPHERICAL EARTH STRUCTURE - THE IMPORTANCE OF POLOIDAL-TOROIDAL COUPLING
    FORTE, AM
    PELTIER, WR
    [J]. JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH AND PLANETS, 1987, 92 (B5): : 3645 - 3679
  • [6] FORTE AM, 1992, UNPUB GEOPHYS RES LE
  • [7] SUBDUCTED SLABS AND THE GEOID - CONSTRAINTS ON MANTLE RHEOLOGY AND FLOW
    HAGER, BH
    [J]. JOURNAL OF GEOPHYSICAL RESEARCH, 1984, 89 (NB7): : 6003 - +
  • [8] THE HUDSON-BAY FREE-AIR GRAVITY-ANOMALY AND GLACIAL REBOUND
    JAMES, TS
    [J]. GEOPHYSICAL RESEARCH LETTERS, 1992, 19 (09) : 861 - 864
  • [9] THE GEM-T2 GRAVITATIONAL MODEL
    MARSH, JG
    LERCH, FJ
    PUTNEY, BH
    FELSENTREGER, TL
    SANCHEZ, BV
    KLOSKO, SM
    PATEL, GB
    ROBBINS, JW
    WILLIAMSON, RG
    ENGELIS, TL
    EDDY, WF
    CHANDLER, NL
    CHINN, DS
    KAPOOR, S
    RACHLIN, KE
    BRAATZ, LE
    PAVLIS, EC
    [J]. JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH AND PLANETS, 1990, 95 (B13): : 22043 - 22071
  • [10] ASPHERICAL EARTH STRUCTURE FROM FUNDAMENTAL SPHEROIDAL-MODE DATA
    MASTERS, G
    JORDAN, TH
    SILVER, PG
    GILBERT, F
    [J]. NATURE, 1982, 298 (5875) : 609 - 613
12