Cooling Sun v Earth Warming

Figure 3. Global temperature change (thin light red line), as reported by NASA/GISS, together with the annual total solar irradiance, or TSI (thin light blue). The dark red and dark blue lines show the 11-year moving averages. Data sources: Temperature from NASA GISS, and TSI from 1880 to 1978 from Krivova et al 2007 (data). TSI from 1979 to 2015 from PMOD (see the PMOD index page for data updates). Image credit: Courtesy skepticalscience.com.

Newly precise measurements confirm that the total solar energy reaching Earth actually doesn’t change all that much from cycle to cycle. As a single cycle ramps up from minimum to maximum, the sun spits out as much as 10 times more energy in extreme ultraviolet wavelengths. However, the sun’s total energy output (irradiance) goes up by a mere 0.1% during a solar cycle, and this boosts global surface temperature by no more than 0.1°Cper cycle, according to IPCC( Inter-governmental Panel on Climate Change).
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About groundswellbasscoast

This is on behalf of local climate change group. Material is selected by Bernie McComb and does not necessarily represent opinion of whole group.
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