About: Electrical conductivity in the lower mantle: Constraints from CHAMP satellite data by time-domain EM induction modelling     Goto   Sponge   NotDistinct   Permalink

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Description
  • Time-domain EM induction is used to obtain 1-D conductivity structure in the Earth using seven years of vector magnetometer measurements by the CHAMP satellite. An optimal model is obtained by means of quasi-Newton minimization with regularization. Sensitivity of data to deep Earth conductivity is checked by limited grid search of the model space in the vicinity of the optimal model. While regularization plays a considerable role in constraining the conductivity model, data misfit poses upper limits on the lower mantle and D conductivity at 2 S/m, and 10 S/m, respectively. ? 2010
  • Time-domain EM induction is used to obtain 1-D conductivity structure in the Earth using seven years of vector magnetometer measurements by the CHAMP satellite. An optimal model is obtained by means of quasi-Newton minimization with regularization. Sensitivity of data to deep Earth conductivity is checked by limited grid search of the model space in the vicinity of the optimal model. While regularization plays a considerable role in constraining the conductivity model, data misfit poses upper limits on the lower mantle and D conductivity at 2 S/m, and 10 S/m, respectively. ? 2010 (en)
Title
  • Electrical conductivity in the lower mantle: Constraints from CHAMP satellite data by time-domain EM induction modelling
  • Electrical conductivity in the lower mantle: Constraints from CHAMP satellite data by time-domain EM induction modelling (en)
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  • Electrical conductivity in the lower mantle: Constraints from CHAMP satellite data by time-domain EM induction modelling
  • Electrical conductivity in the lower mantle: Constraints from CHAMP satellite data by time-domain EM induction modelling (en)
skos:notation
  • RIV/00216208:11320/10:10050003!RIV11-GA0-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GP205/08/P229)
http://linked.open...iv/cisloPeriodika
  • 3-4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 256668
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/10:10050003
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • CHAMP; from; Constraints; mantle:; lower; the; conductivity; Electrical (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • NL - Nizozemsko
http://linked.open...ontrolniKodProRIV
  • [39535E019C40]
http://linked.open...i/riv/nazevZdroje
  • Physics of the Earth and Planetary Interiors
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 180
http://linked.open...iv/tvurceVysledku
  • Velímský, Jakub
http://linked.open...ain/vavai/riv/wos
  • 000279186600002
issn
  • 0031-9201
number of pages
http://localhost/t...ganizacniJednotka
  • 11320
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