Sentences with phrase «values of solar insolation»
To identify the effects of human activity on temperature, we simulate the model (estimation sample 1960 — 1998) with post 1998 values of solar insolation, SOI, and volcanic sulfates held at their 1998 level while allowing greenhouse gas concentrations and sulfur emissions to evolve as observed.
http://www.pnas.org/ Not exact matches
The IPCC reports document the plausible intrinsic solar output increase of perhaps 0.12 W / m2 since 1750 as being the only significant natural agency in terms of climate change: if my calculations of the natural changing insolation values are correct, then the IPCC is demonstrated to have erred in that respect.
Conversely, holding greenhouse gas concentrations and sulfur emissions at their 1998 values and allowing solar insolation, SOI, and volcanic sulfates to evolve as observed generates a forecast that is consistent with the observed pattern of temperature change.
Time series for solar insolation (18), SOI (19), and the radiative forcing of volcanic sulfates (20) are updated with values from sources that are used to generate the original dataset.