메뉴 건너뛰기




Volumn 192, Issue 2, 2013, Pages 537-556

Flow throughout the earth's core inverted from geomagnetic observations and numerical dynamo models

Author keywords

Dynamo; Inverse theory; Rapid time variations.; Theories and simulations

Indexed keywords

BUOYANCY; COREMAKING; DC GENERATORS; ECONOMIC AND SOCIAL EFFECTS; INTERACTIVE DEVICES; INVERSE PROBLEMS; STATISTICAL PHYSICS;

EID: 84876836929     PISSN: 0956540X     EISSN: 1365246X     Source Type: Journal    
DOI: 10.1093/gji/ggs051     Document Type: Article
Times cited : (65)

References (44)
  • 1
    • 77955505929 scopus 로고    scopus 로고
    • Melting-induced stratification above the Earth's inner core due to convective translation
    • Alboussiere, T., Deguen, R. & Melzani, M., 2010. Melting-induced stratification above the Earth's inner core due to convective translation, Nature, 466(7307), 744-747.
    • (2010) Nature , vol.466 , Issue.7307 , pp. 744-747
    • Alboussiere, T.1    Deguen, R.2    Melzani, M.3
  • 2
    • 33846002772 scopus 로고    scopus 로고
    • Tests of core flow imaging methods with numerical dynamos
    • Amit, H., Olson, P. & Christensen, U., 2007. Tests of core flow imaging methods with numerical dynamos, Geophys. J. Int., 168(1), 27-39.
    • (2007) Geophys. J. Int. , vol.168 , Issue.1 , pp. 27-39
    • Amit, H.1    Olson, P.2    Christensen, U.3
  • 3
    • 27844583907 scopus 로고    scopus 로고
    • Steady zonal flows in spherical shell dynamos
    • Aubert, J., 2005. Steady zonal flows in spherical shell dynamos, J. Fluid. Mech., 542, 53-67.
    • (2005) J. Fluid. Mech. , vol.542 , pp. 53-67
    • Aubert, J.1
  • 4
    • 78650103638 scopus 로고    scopus 로고
    • Steady and fluctuating inner core rotation in numerical geodynamo models
    • Aubert, J. & Dumberry, M., 2011. Steady and fluctuating inner core rotation in numerical geodynamo models, Geophys. J. Int., 184(1), 162-170.
    • (2011) Geophys. J. Int. , vol.184 , Issue.1 , pp. 162-170
    • Aubert, J.1    Dumberry, M.2
  • 5
    • 80054067747 scopus 로고    scopus 로고
    • Inferring internal properties of Earth's core dynamics and their evolution from surface observations and a numerical geodynamo model
    • Aubert, J. & Fournier, A., 2011. Inferring internal properties of Earth's core dynamics and their evolution from surface observations and a numerical geodynamo model, Nonlin. Process. Geophys., 18(5), 657-674.
    • (2011) Nonlin. Process. Geophys. , vol.18 , Issue.5 , pp. 657-674
    • Aubert, J.1    Fournier, A.2
  • 6
    • 39049119232 scopus 로고    scopus 로고
    • The magnetic structure of convection-driven numerical dynamos
    • Aubert, J., Aurnou, J. & Wicht, J., 2008. The magnetic structure of convection-driven numerical dynamos, Geophys. J. Int., 172, 945-956.
    • (2008) Geophys. J. Int. , vol.172 , pp. 945-956
    • Aubert, J.1    Aurnou, J.2    Wicht, J.3
  • 7
    • 70450196688 scopus 로고    scopus 로고
    • Modelling the palaeo-evolution of the geodynamo
    • Aubert, J., Labrosse, S. & Poitou, C., 2009. Modelling the palaeo-evolution of the geodynamo, Geophys. J. Int., 179(3), 1414-1428.
    • (2009) Geophys. J. Int. , vol.179 , Issue.3 , pp. 1414-1428
    • Aubert, J.1    Labrosse, S.2    Poitou, C.3
  • 8
    • 0026084554 scopus 로고
    • Fluid flow near the surface of Earth's outer core
    • Bloxham, J. & Jackson, A., 1991. Fluid flow near the surface of Earth's outer core, Rev. Geophys., 29(1), 97-120.
    • (1991) Rev. Geophys. , vol.29 , Issue.1 , pp. 97-120
    • Bloxham, J.1    Jackson, A.2
  • 9
    • 78650410577 scopus 로고    scopus 로고
    • Tidal dissipation and the strength of the Earth's internal magnetic field
    • Buffett, B.A., 2010. Tidal dissipation and the strength of the Earth's internal magnetic field, Nature, 468(7326), 952-955.
    • (2010) Nature , vol.468 , Issue.7326 , pp. 952-955
    • Buffett, B.A.1
  • 10
    • 0033625920 scopus 로고    scopus 로고
    • Gravitational braking of inner-core rotation in geodynamo simulations
    • Buffett, B.A. & Glatzmaier, G.A., 2000. Gravitational braking of inner-core rotation in geodynamo simulations, Geophys. Res. Lett., 27(19), 3125-3128.
    • (2000) Geophys. Res. Lett. , vol.27 , Issue.19 , pp. 3125-3128
    • Buffett, B.A.1    Glatzmaier, G.A.2
  • 11
    • 84891194786 scopus 로고
    • Thermal instabilities in rapidly rotating systems
    • Busse, F.H., 1970. Thermal instabilities in rapidly rotating systems, J. Fluid. Mech., 44(3), 441-460.
    • (1970) J. Fluid. Mech. , vol.44 , Issue.3 , pp. 441-460
    • Busse, F.H.1
  • 12
    • 33745623953 scopus 로고    scopus 로고
    • Scaling properties of convection-driven dynamos in rotating spherical shells and application to planetarymagnetic fields
    • Christensen, U. & Aubert, J., 2006. Scaling properties of convection-driven dynamos in rotating spherical shells and application to planetarymagnetic fields, Geophys. J. Int., 117, 97-114.
    • (2006) Geophys. J. Int. , vol.117 , pp. 97-114
    • Christensen, U.1    Aubert, J.2
  • 13
    • 0037668145 scopus 로고    scopus 로고
    • Secular variation in numerical geodynamo models with lateral variations of boundary heat flux
    • Christensen, U. & Olson, P., 2003. Secular variation in numerical geodynamo models with lateral variations of boundary heat flux, Phys. Earth planet. Int., 138, 39-54.
    • (2003) Phys. Earth planet. Int. , vol.138 , pp. 39-54
    • Christensen, U.1    Olson, P.2
  • 14
    • 2442672991 scopus 로고    scopus 로고
    • Power requirement of the geodynamo from ohmic losses in numerical and laboratory dynamos
    • Christensen, U. & Tilgner, A., 2004. Power requirement of the geodynamo from ohmic losses in numerical and laboratory dynamos, Nature, 429, 169-171.
    • (2004) Nature , vol.429 , pp. 169-171
    • Christensen, U.1    Tilgner, A.2
  • 15
    • 80054064097 scopus 로고    scopus 로고
    • Geodynamo models: Tools for understanding properties of earth's magnetic field
    • Christensen, U.R., 2011. Geodynamo models: Tools for understanding properties of earth's magnetic field, Phys. Earth planet. Int., 187, 157-169.
    • (2011) Phys. Earth planet. Int. , vol.187 , pp. 157-169
    • Christensen, U.R.1
  • 16
    • 84862206054 scopus 로고    scopus 로고
    • Timescales of geomagnetic secular acceleration in satellite field models and geodynamo models
    • doi:10.1111/j.1365-246X.2012.05508.x
    • Christensen, U.R., Wardinski, I. & Lesur, V., 2012. Timescales of geomagnetic secular acceleration in satellite field models and geodynamo models, Geophys. J. Int., doi:10.1111/j.1365-246X.2012.05508.x.
    • (2012) Geophys. J. Int.
    • Christensen, U.R.1    Wardinski, I.2    Lesur, V.3
  • 18
    • 0031726066 scopus 로고    scopus 로고
    • MHDflow in a slightly differentially rotating spherical shell, with conducting inner core in a dipolar magnetic field, Earth
    • Dormy, E., Cardin, P.&Jault, D., 1998.MHDflow in a slightly differentially rotating spherical shell, with conducting inner core, ina dipolar magnetic field, Earth. planet. Sci. Lett., 160(1-2), 15-30.
    • (1998) planet. Sci. Lett. , vol.160 , Issue.1-2 , pp. 15-30
    • Dormy, E.1    Cardin, P.2    Jault, D.3
  • 20
    • 78650618385 scopus 로고    scopus 로고
    • Short timescale core dynamics: theory and observations
    • Finlay, C.C., Dumberry, M., Chulliat, A.&Pais, M.A., 2010. Short timescale core dynamics: theory and observations, Space. Sci. Rev., 155(1-4), 177-218.
    • (2010) Space. Sci. Rev. , vol.155 , Issue.1-4 , pp. 177-218
    • Finlay, C.C.1    Dumberry, M.2    Chulliat, A.3    Pais, M.A.4
  • 21
    • 78650606704 scopus 로고    scopus 로고
    • An Introduction to data assimilation and predictability in geomagnetism
    • Fournier, A. et al., 2010. An Introduction to data assimilation and predictability in geomagnetism, Space. Sci. Rev., 155(1-4), 247-291.
    • (2010) Space. Sci. Rev. , vol.155 , Issue.1-4 , pp. 247-291
    • Fournier, A.1
  • 22
    • 79959200988 scopus 로고    scopus 로고
    • Inference on core surface flow from observations and 3-D dynamo modelling
    • Fournier, A., Aubert, J. & Thèbault, E., 2011. Inference on core surface flow from observations and 3-D dynamo modelling, Geophys. J. Int., 186(1), 118-136.
    • (2011) Geophys. J. Int. , vol.186 , Issue.1 , pp. 118-136
    • Fournier, A.1    Aubert, J.2    Thèbault, E.3
  • 23
    • 72049131686 scopus 로고    scopus 로고
    • Ensemble inversion of timedependent core flow models
    • doi:10.1029/2008GC002290
    • Gillet, N., Pais, M.A. & Jault, D., 2009. Ensemble inversion of timedependent core flow models, Geochem. Geophys. Geosys., 10(Q06004), doi:10.1029/2008GC002290.
    • (2009) Geochem. Geophys. Geosys. , vol.10 , Issue.Q6004
    • Gillet, N.1    Pais, M.A.2    Jault, D.3
  • 24
    • 77952023179 scopus 로고    scopus 로고
    • Fast torsional waves and strong magnetic field within the Earth's core
    • Gillet, N., Jault, D., Canet, E. & Fournier, A., 2010. Fast torsional waves and strong magnetic field within the Earth's core, Nature, 465(7294), 74-77.
    • (2010) Nature , vol.465 , Issue.7294 , pp. 74-77
    • Gillet, N.1    Jault, D.2    Canet, E.3    Fournier, A.4
  • 25
    • 84882826006 scopus 로고    scopus 로고
    • Large-scale flow in the core
    • Core Dynamics, ed. Olson, P, Elsevier, Amsterdam
    • Holme, R., 2007. Large-scale flow in the core, in Treatise on Geophysics, Vol. 8: Core Dynamics, ed. Olson, P., p. 107-130, Elsevier, Amsterdam.
    • (2007) Treatise on Geophysics , vol.8 , pp. 107-130
    • Holme, R.1
  • 26
    • 0002352690 scopus 로고
    • Time-dependent flow at the core surface and conservation of angular momentum in the coupled core-mantle system
    • eds Le Mouël, J.-L., Smylie, D.E. & Herring, T., AGU Geophysical Monograph, Washington, DC
    • Jackson, A., Bloxham, J. & Gubbins, D., 1993. Time-dependent flow at the core surface and conservation of angular momentum in the coupled core-mantle system, in Dynamics of the Earth's Deep Interior and Earth Rotation, Vol. 72, pp. 97-107, eds Le Mouël, J.-L., Smylie, D.E. & Herring, T., AGU Geophysical Monograph, Washington, DC.
    • (1993) Dynamics of the Earth's Deep Interior and Earth Rotation , vol.72 , pp. 97-107
    • Jackson, A.1    Bloxham, J.2    Gubbins, D.3
  • 27
    • 0005301201 scopus 로고
    • Adams and Elsasser dynamo integrals
    • James, R., 1973. Adams and Elsasser dynamo integrals, Proc. R. Soc. Lond., A, 331(1587), 469-478.
    • (1973) Proc. R. Soc. Lond. A , vol.331 , Issue.1587 , pp. 469-478
    • James, R.1
  • 28
    • 39049114014 scopus 로고    scopus 로고
    • Axial invariance of rapidly varying diffusionless motions in the Earth's core interior
    • Jault, D., 2008. Axial invariance of rapidly varying diffusionless motions in the Earth's core interior, Phys. Earth planet. Int., 166(1-2), 67-76.
    • (2008) Phys. Earth planet. Int. , vol.166 , Issue.1-2 , pp. 67-76
    • Jault, D.1
  • 29
    • 0023812188 scopus 로고
    • Westward drift, core motions and exchanges of angular momentum between core and mantle
    • Jault, D., Gire, C. & Le Mouël, J.-L., 1988. Westward drift, core motions and exchanges of angular momentum between core and mantle, Nature, 333, 353-356.
    • (1988) Nature , vol.333 , pp. 353-356
    • Jault, D.1    Gire, C.2    Le Mouël, J.-L.3
  • 30
    • 79955850521 scopus 로고    scopus 로고
    • The geomagnetic secular-variation timescale in observations and numerical dynamo models
    • doi:10.1029/2011GL047356
    • Lhuillier, F., Fournier, A., Hulot, G. & Aubert, J., 2011. The geomagnetic secular-variation timescale in observations and numerical dynamo models, Geophys. Res. Lett., 38(L09306), doi:10.1029/2011GL047356.
    • (2011) Geophys. Res. Lett. , vol.38 , Issue.L09306
    • Lhuillier, F.1    Fournier, A.2    Hulot, G.3    Aubert, J.4
  • 31
    • 77953065006 scopus 로고    scopus 로고
    • Lopsided Growth of Earth's Inner Core
    • Monnereau, M., Calvet, M., Margerin, L. & Souriau, A., 2010. Lopsided Growth of Earth's Inner Core, Science, 328(5981), 1014-1017.
    • (2010) Science , vol.328 , Issue.5981 , pp. 1014-1017
    • Monnereau, M.1    Calvet, M.2    Margerin, L.3    Souriau, A.4
  • 32
    • 0018306079 scopus 로고
    • Numerical evaluation of geomagnetic dynamo integrals (Elsasser and Adams-Gaunt integrals).
    • Moon, W., 1979. Numerical evaluation of geomagnetic dynamo integrals (Elsasser and Adams-Gaunt integrals)., Comp. Phys. Comm., 16(2), 267-271.
    • (1979) Comp. Phys. Comm. , vol.16 , Issue.2 , pp. 267-271
    • Moon, W.1
  • 33
    • 33644884957 scopus 로고    scopus 로고
    • Detection of a gravitational oscillation in length-of-day
    • Mound, J.E. & Buffett, B.A., 2006. Detection of a gravitational oscillation in length-of-day, Earth planet. Sci. Lett., 243(3-4), 383-389.
    • (2006) Earth planet. Sci. Lett. , vol.243 , Issue.3-4 , pp. 383-389
    • Mound, J.E.1    Buffett, B.A.2
  • 34
    • 0033547401 scopus 로고    scopus 로고
    • A polar vortex in the Earth's core
    • Olson, P. & Aurnou, J., 1999. A polar vortex in the Earth's core, Nature, 402(6758), 170-173.
    • (1999) Nature , vol.402 , Issue.6758 , pp. 170-173
    • Olson, P.1    Aurnou, J.2
  • 35
    • 0036900051 scopus 로고    scopus 로고
    • The time averaged magnetic field in numerical dynamos with non-uniform boundary heat flow
    • Olson, P. & Christensen, U., 2002. The time averaged magnetic field in numerical dynamos with non-uniform boundary heat flow, Geophys. J. Int., 151, 809-823.
    • (2002) Geophys. J. Int. , vol.151 , pp. 809-823
    • Olson, P.1    Christensen, U.2
  • 36
    • 84864555325 scopus 로고    scopus 로고
    • Eccentricity of the geomagnetic dipole caused by lopsided inner core growth
    • Olson, P.& Deguen, R., 2012. Eccentricity of the geomagnetic dipole caused by lopsided inner core growth, Nat. Geosci., 5, 565-569.
    • (2012) Nat. Geosci. , vol.5 , pp. 565-569
    • Olson, P.1    Deguen, R.2
  • 37
    • 84856028113 scopus 로고    scopus 로고
    • From superchrons to secular variation: a broadband dynamo frequency spectrum for the geomagnetic dipole
    • Olson, P., Christensen, U. & Driscoll, P., 2012. From superchrons to secular variation: a broadband dynamo frequency spectrum for the geomagnetic dipole, Earth. planet. Sci. Lett., 319-320, 75-82.
    • (2012) Earth. planet. Sci. Lett. , vol.319-320 , pp. 75-82
    • Olson, P.1    Christensen, U.2    Driscoll, P.3
  • 38
    • 42349083692 scopus 로고    scopus 로고
    • Quasi-geostrophic flows responsible for the secular variation of the Earth's magnetic field
    • Pais, M.A. & Jault, D., 2008. Quasi-geostrophic flows responsible for the secular variation of the Earth's magnetic field, Geophys. J. Int., 173(2), 421-443.
    • (2008) Geophys. J. Int. , vol.173 , Issue.2 , pp. 421-443
    • Pais, M.A.1    Jault, D.2
  • 39
    • 0034026755 scopus 로고    scopus 로고
    • Core flow inversion tested with numerical dynamo models
    • Rau, S., Christensen, U., Jackson, A. &Wicht, J., 2000. Core flow inversion tested with numerical dynamo models, Geophys. J. Int., 141(2), 485-497.
    • (2000) Geophys. J. Int. , vol.141 , Issue.2 , pp. 485-497
    • Rau, S.1    Christensen, U.2    Jackson, A.3    Wicht, J.4
  • 40
    • 85008279022 scopus 로고
    • On the analysis of the secular variation. I: a hydromagnetic constraint: theory
    • Roberts, P.H. & Scott, S., 1965. On the analysis of the secular variation. I: a hydromagnetic constraint: theory, J. Geomag. Geoelectr., 17, 137-151.
    • (1965) J. Geomag. Geoelectr. , vol.17 , pp. 137-151
    • Roberts, P.H.1    Scott, S.2
  • 41
    • 3142725964 scopus 로고    scopus 로고
    • Extending comprehensivemodels of the Earth's magnetic field with Orsted and CHAMP data
    • Sabaka, T., Olsen, N.&Purucker, M., 2004. Extending comprehensivemodels of the Earth's magnetic field with Orsted and CHAMP data, Geophys. J. Int., 159(2), 521-547.
    • (2004) Geophys. J. Int. , vol.159 , Issue.2 , pp. 521-547
    • Sabaka, T.1    Olsen, N.2    Purucker, M.3
  • 42
    • 28944433437 scopus 로고    scopus 로고
    • Structure and dynamics of the polar vortex in the Earth's core
    • Sreenivasan, B. & Jones, C., 2005. Structure and dynamics of the polar vortex in the Earth's core, Geophys. Res. Lett., 32(20).
    • (2005) Geophys. Res. Lett. , vol.32 , Issue.20
    • Sreenivasan, B.1    Jones, C.2
  • 43
    • 0033584794 scopus 로고    scopus 로고
    • A laboratory model for convection in earth's core driven by a thermally heterogeneous mantle
    • Sumita, I. & Olson, P., 1999. A laboratory model for convection in earth's core driven by a thermally heterogeneous mantle, Science, 286(5444), 1547-1549.
    • (1999) Science , vol.286 , Issue.5444 , pp. 1547-1549
    • Sumita, I.1    Olson, P.2
  • 44
    • 0022841278 scopus 로고
    • Geomagnetic evidence for fluid upwelling at the coremantle boundary
    • Whaler, K.A., 1986. Geomagnetic evidence for fluid upwelling at the coremantle boundary, Geophys. J. R. astr. Soc., 86(2), 563-588.
    • (1986) Geophys. J. R. astr. Soc. , vol.86 , Issue.2 , pp. 563-588
    • Whaler, K.A.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.