It is the high albedo of SO2 which allows part of the sun's rays to be reflected before they reach the ground.Christophe wrote:So we could, perhaps (see if the orders of magnitude are the right ones) to explain the rise in temperatures of the last years, not by the increase in CO2 (or not totally even if it is CO2, and its "equivalents ", which remain responsible for the phenomenon) but by the reduction of sulfur oxides!
Can you check that Izentrop?
The advantage is immediately seen when you put on the scale the effect on the climate on one side and lung problems on the other.This "air conditioning" of the planet, contrary to the allegations of Yuri Israel, is not a new idea but had already been mentioned as an emergency solution by other scientists, in particular Americans, before being considered too uncertain in view consequences that are difficult to assess. https://www.futura-sciences.com/planete ... que-11996/
In a volcanic eruption, it's not only SO2 that prevents the sun's rays from reaching the ground
THE PINATUBO: On 07/11/1991 in the Philippines, the Pinatubo erupted when it had been dormant for more than six centuries. In all, 20 million tonnes of sulfur dioxide at a height of 20 km. They were dispersed in the atmosphere. All this gas caused the decrease of 1 to 5% of solar radiation received by the Earth, or -3,50 W / m2, resulting in a drop in temperature from 0,10 to 0,50 ° C and 1,50, 3 ° C at high latitudes for around XNUMX years.
Finally, Your curve does not make sense to compare a concentration of one direction with a temperature of the other. (see my maxim )