Does the Compositional Evolution of Earth’s Liquid Outer Core Hold the Key to the Geomagnetic Field?
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图 1 地球核幔边界温压条件下铁的热导率及其对应的外核对流模式与内核年龄(修改自Dobson, 2016)
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[1] Dobson, D., 2016. Earth's Core Problem. Nature, 534(7605): 45. https://doi.org/10.1038/534045a [2] Hirose, K., Wood, B., Vočadlo, L., 2021. Light Elements in the Earth's Core. Nature Reviews Earth & Environment, 2(9): 645-658. https://doi.org/10.1038/s43017-021-00203-6 [3] Konôpková, Z., McWilliams, R. S., Gómez-Pérez, N., et al., 2016. Direct Measurement of Thermal Conductivity in Solid Iron at Planetary Core Conditions. Nature, 534(7605): 99-101. https://doi.org/10.1038/nature18009 [4] Lv, C. J., Liu, J., 2022. Early Planetary Processes and Light Elements in Iron-Dominated Cores. Acta Geochimica, 41(4): 625-649. https://doi.org/10.1007/s11631-021-00522-x [5] Ohta, K., Kuwayama, Y., Hirose, K., et al., 2016. Experimental Determination of the Electrical Resistivity of Iron at Earth's Core Conditions. Nature, 534(7605): 95-98. https://doi.org/10.1038/nature17957 [6] Pozzo, M., Davies, C., Gubbins, D., et al., 2012. Thermal and Electrical Conductivity of Iron at Earth's Core Conditions. Nature, 485(7398): 355-358. https://doi.org/10.1038/nature11031 [7] Voosen, P., 2022. The Planet Inside. Science, 376(6588): 18-22. https://doi.org/10.1126/science.abq2090 -
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