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There is a precedent for considering heat flows instead of just energy flows in the NASA diagrams on NASA Earth Observatory's page Climate and Earth’s Energy Budget which includes both heat flow diagrams and energy flow diagrams. The current diagram integrates the energy flow diagrams and heat flow diagrams from that page into a single diagram.
Earth's internal heat budget is fundamental to the thermal history of the Earth. The flow of heat from Earth's interior to the surface is estimated at 47±2 terawatts (TW) [1] and comes from two main sources in roughly equal amounts: the radiogenic heat produced by the radioactive decay of isotopes in the mantle and crust, and the primordial ...
For radiation heat transfer, "heat" transfer is defined as the net energy transfer after radiation energy flows in both directions are considered. Earth's atmosphere absorbs about 358 W/m 2 of thermal radiation emitted by the surface, and emits about 340 W/m 2 back to the surface—yielding a radiative heat transfer flux of about 58 W/m 2 from ...
English: A Sankey diagram showing the Earth's energy budget. In the SVG version, hover over a line to highlight it and show its contribution in a tooltip. S M Reddy, S J Chary. University Botany II : (Gymnosperms, Plant Anatomy, Genetics, Ecology). New Age International. Retrieved on 9 December 2015.
English: Heat flow profile of Earth's atmosphere, showing (a) radiative cooling and thermal radiation fluxes, (b) non-radiative heat flow, (c) balance of atmospheric heating and cooling, and (d) temperature profile. The figure is intended to support qualitative understanding. Quantitative values may or may not be representative of current-day ...
The geothermal heat flow from the Earth's interior is estimated to be 47 terawatts (TW) [12] and split approximately equally between radiogenic heat and heat left over from the Earth's formation. This corresponds to an average flux of 0.087 W/m 2 and represents only 0.027% of Earth's total energy budget at the surface, being dwarfed by the 173 ...
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