Thermal transport property of the Earth's core and its convection
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图 1 地核的热流量、热分层以及对流示意图. 地核顶部的亚绝热环境可造成地核的热分层，该热分层会抑制热对流的产生并影响地震波的波速
Figure 1. Schematic of the heat flux, thermal stratification, and convection in Earth's core. A subadabatic temperature gradient at the top of the outer core may inhibit its thermal convection and change the seismic wave velocity
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