Volcanic activity slowing global warming by 25% suggests study
Atmospheric warming has slowed over the last decade, and scientists from the University of Colorado at Boulder believe the cause of this may be all the small to medium volcanic eruptions spewing sulfur dioxide high into the atmosphere where it changes the reflectivity of the top of the atmosphere.
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#1 Mar 6, 2013
that the optical depth of the stratospheric aerosol layer between 20 and 30km has increased 4-10% per year since 2000, which is significant for Earth's climate. Contributions to this increase both from moderate volcanic eruptions and from enhanced coal burning in Asia have been
to attribute the contribution of the different sources. Here we use a global climate model coupled to an aerosol microphysical model to partition the contribution of each. We employ model runs that include the increases in anthropogenic sulfur dioxide (SO2) over Asia and the moderate volcanic explosive injections of SO2 observed from 2000 to 2010.
"Comparison of the model results to observations reveals that moderate volcanic eruptions, rather than anthropogenic influences, are the primary source of the observed increases in stratospheric aerosol".
Gee more scientific science fiction. They really don't know only suggest.
“Geologist [I'm Climate Change]”
Since: Mar 07
#2 Mar 6, 2013
Volcanism is currently at "tickover rates", the absence of large SO2 plumes may have something to do with the current La Nina condition.
Cause of cooling most likely due to ~3 years of a very small blank sun during the solar "superminimum" when all the solar cycle priod beats converged on a miinimum. The other contributor being a global depression caused by rampant criminal fraud in the bank loans system, hidden in the "west" at least by the "war on terror".
Have a nice day: Ag
#3 May 25, 2013
Silly jacka$$e$ theres no such thing as global warming. In the mid 1970's we were being told that we would be starving in 10 years due to global cooling. Since then i have gained 60 pounds, been eating pretty well.
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