Core–mantle boundary heat flow

By T. Lay, J. Hernlund, B. Buffett. 2008

488 citations recorded by the source corpus.

View Paper: https://www.semanticscholar.org/paper/98ab06fe00b8bf2b6d984387f0a0d3be0998a8f5

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In Geophysics

Citations in the corpus

Stratification of the top of the core due to chemical interactions with the mantle (2010, background): “Current estimates of the core heat flow suggest that the temperature gradient at the CMB exceeds the adiabat [ Lay et al. , 2008], resulting in an unstable thermal stratification in the layer.”
Dynamics and evolution of the deep mantle resulting from thermal, chemical, phase and melting effects (2012, background): “For further discussion of constraints on CMB heat flow the reader is referred to Lay et al. (2008).”
Dynamo Scaling Laws and Applications to the Planets (2010, background): “The core heat flow can be estimated for Earth within a factor of three (Lay et al. 2008) and for the gas planets it can be deduced from the planet’s excess infrared radiation (e.g. Ingersoll et al. 1975).”
Modelling the palaeo-evolution of the geodynamo (2009, methodology): “However, the uncertainties pertaining to the determination of core–mantle boundary (CMB) heat flow (Lay et al. 2008) and core adiabat leave some room for the determination of f i.”
Thermal evolution of the core with a high thermal conductivity (2014, unknown): “Both strategies have their merits and limits, in particular the fact that both the present CMB heat flow (Lay et al., 2008) and Ohmic dissipation (Christensen, 2010) are poorly known, and the situation is of course worse for past periods.”
Energetics of the Core (2015, background): “As reviewed by Lay et al. (2008), independent estimates on this cooling rate exist, based on our understanding of mantle behaviour.”
Very low sound velocities in iron‐rich (Mg,Fe)O: Implications for the core‐mantle boundary region (2010, background): “phase assemblages [Lay et al., 2008; Sidorin et al., 1999].”
Reconciling dynamic and seismic models of Earth's lower mantle: The dominant role of thermal heterogeneity (2012, background): “…(e.g. Glatzmaier and Roberts, 1995; Kuang and Bloxham, 1997; Boehler, 2000; Alf e et al., 2002; Buffett, 2002; Gubbins et al., 2004; Nimmo et al., 2004; Hernlund et al., 2005; Nolet et al., 2006; Alf e et al., 2007; van der Hilst et al., 2007; Steinberger and Holme, 2008; Lay et al., 2008).”
A geodynamic model of plumes from the margins of Large Low Shear Velocity Provinces (2012, background): “[8] Estimates of heat flux from the core into the mantle are widely discrepant [Lay et al., 2008], because of large uncertainties in both the temperature contrast across the TBL at the base of the mantle and a wide range of estimates (varying by a factor ∼5) for the thermal conductivity of lower man”
Simulating the thermochemical magmatic and tectonic evolution of Venus's mantle and lithosphere: Two-dimensional models (2012, background): “Even so, present-day model CMB heat fluxes for two of the models are in the range inferred for Earth of 5–15 TW [Lay et al., 2008] so the difference in tectonic mode does not offer a straightforward explanation of the difference in dynamo presence between Earth and Venus.”