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Prima Klima!
180 YEARS OF
ATMOSPHERIC CO2 GAS ANALYSIS
BY CHEMICAL METHODS
by
Ernst-Georg Beck
Reprinted from
ENERGY &
ENVIRONMENT
VOLUME 18 No. 2 2007
Dieser Beitrag ist aus verlagsrechtlichen Gründen hier noch nicht verfügbar.
This contribution is not yet available for publishing house legal reasons.
But here an
ABSTRACT
More than 90,000 accurate chemical analyses of CO2 in air since
1812 are summarised. The historic chemical data reveal that changes in
CO2 track changes in
temperature, and therefore climate in contrast to the simple,
monotonically increasing
CO2 trend depicted in the post-1990 literature on
climate-change. Since 1812, the CO2
concentration in northern hemispheric air has fluctuated
exhibiting three high level
maxima around 1825, 1857 and 1942 the latter showing more than
400 ppm.
Between 1857 and 1958, the Pettenkofer process was the standard
analytical
method for determining atmospheric carbon dioxide levels, and
usually achieved an
accuracy better than 3%. These determinations were made by
several scientists of
Nobel Prize level distinction. Following Callendar (1938),
modern climatologists
have generally ignored the historic determinations of CO2,
despite the techniques
being standard text book procedures in several different
disciplines. Chemical
methods were discredited as unreliable choosing only few which
fit the
assumption of a climate CO2 connection.
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