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All issues Volume 7 (2017) J. Space Weather Space Clim., 7 (2017) A10 Full HTML

Table 1.

Energy sources from Sellers (1965) and relative to that of the Sun (final column). Relative input calculated with respect to the flux density values (middle column). Values are global averages.

Energy source Flux density [W m−2] Relative to total solar irradiance
Solar irradiance 348.93 1 1.000
Earth’s interior heat flux 0.0612 1.8 × 10−4
Infrared radiation from the full Moon 0.0102 2.9 × 10−5
Reflected radiation from the full Moon 0.0034 9.7 × 10−6
Solar atmospheric tides 0.0034 9.7 × 10−6
Combustion of coal, oil, and gas in the United States 0.0024 6.9 × 10−6
Lightning discharge energy 2.0 × 10−4 5.7 × 10−7
Magnetic storm dissipation 6.8 × 10−5 1.9 × 10−7
Auroral emission 4.8 × 10−5 1.4 × 10−7
Cosmic radiation 3.1 × 10−5 8.9 × 10−8
Dissipation of energy from micrometeorites 2.0 × 10−5 5.7 × 10−8
Total radiation from stars 1.4 × 10−5 4.0 × 10−8
Lunar tides 1.0 × 10−5 2.9 × 10−8
Zodiacal irradiance 3.4 × 10−6 9.7 × 10−9
1

Sellers provided solar irradiance (what he called the solar constant) in units of kilo-Langley (kly) per year; 1 kly year−1 is 1.3267 W m−2. The value he cited for globally averaged solar irradiance was 263 kly year−1.

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