Dust influence on the carbon cycle: a tool to combat the climate change
The detailed analysis of dust iron influence on the climate presented by
Oeste et al., (2017) - available for download at:
http://www.earth-syst-dynam.net/8/1/2017/ - has revealed how mankind
could take most effective profit from these natural iron effects as to
sink the actual rising greenhouse gas levels in the order to stop and
return the climate temperature and sea level rise. The technical
essential of this simple natural climate regulation model of the Ice
Ages is the“Iron Salt Aerosol Method“, in short “ISA method”.
A central result of the ISA method is, that any kind of flue gases from
power works or even other kinds of hot gas streams may be used as an
iron dust emission device to move ISA preferable a kilometer above
ground. Even fossil power works, known as extreme CO2 greenhouse gas
emitters could change their bad environmental image according to the ISA
method to just the opposite: by help of the ISA method they might induce
the transformation and storage of their CO2 carbon plus additional
atmospheric CO2 carbon as organic and carbonate carbon at and within the
ocean floor sediment and bedrock.
According to its technical simplicity and its striking greenhouse gas
depletion effect the ISA method is of high efficiency. A world-wide
spread emission of 100,000 to 300,000 t Fe per year by the ISA method
may be enough to gain the climate goals. This quantum corresponds to a
precipitation average of only one thousandth part of a gram iron per
square meter surface during one year of emission. According to the
economic feasibility of the ISA method to condition this iron quantity
it represents neither a technical nor an economical problem to mankind.
Advantage over concurring climate engineering proposals are the multiple
different climate cooling actions of the ISA method:
· Albedo increase by direct and indirect cloud whitening and
cloud life time elongation
· Atmospheric CH4 depletion by photolytic chlorine activation
· Tropospheric ozone and soot aerosols depletion
· Terrestrial landscapes CH4 emissions inhibition from wetlands,
peat bogs, and tidal flats by inhibition and oxidation activation
· CO2 absorption activation by phytoplankton blooms generation
at ocean surfaces and growth activation of plants by chlorosis
prevention on continents
· Preventing from ocean stratification from meltwater run-off by
surface cooling
· Activation of the CO2 absorption by the ocean surface by
surface cooling
But the most convincing advantage of the ISA method seems to be the
proof of the results of its natural model generated during the Ice Age.
Reference
Oeste, F.D., de Richter, R., Caillot, S., Ming, T., 2017. Climate
engineering by mimicking natural dust climate control: the iron salt
aerosol method. Earth System Dynamics, 8, 1-54,
doi:10.5194/esd-8-1-2017.
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