Sentences with phrase «wide average concentrations»
For example, the ratio of domain - wide average concentrations of MSA / H2SO4 changes from 0.005 for the 2011 — 2013 case to 0.24 for the zero fossil fuel emissions case.
http://www.pnas.org/
Suppressing the contribution from anthropogenic SO2 emissions leads the domain - wide average concentrations of H2SO4 to decrease by a factor of 60 and the peak concentrations by a factor of 85 but not to zero, due to the continuing contribution from OSCs.
Not exact matches
The domain - wide average gas phase MSA concentration is not significantly sensitive to the scenario chosen for sulfur fossil fuel emissions.
At EPA's 42 nation - wide SO2 trend monitoring sites the annual average concentration has gone from 154 micrograms of SO2 per cubic meter in 1980 to only 20.2 in 2016 (87 % reduction).
At EPA's 455 nation - wide PM - 2.5 trend monitoring sites the annual average concentration has gone from 13.4 micrograms per cubic meter in 2000 to only 7.7 in 2016.