On Jan 29, 5:39 am, Robert Indigo Ellison
<[email protected]> wrote:
> An article has been posted at -www.earthandocean.robertellison.com.au
>
> ‘Researchers first became intrigued by abrupt climate change when they
> discovered striking evidence of large, abrupt, and widespread changes
> preserved in paleoclimatic archives. Interpretation of such proxy
> records of climate - for example, using tree rings to judge occurrence
> of droughts or gas bubbles in ice cores to study the atmosphere at the
> time the bubbles were trapped - is a well-established science that has
> grown much in recent years. This chapter summarizes techniques for
> studying paleoclimate and highlights research results. The chapter
> concludes with examples of modern climate change and techniques for
> observing it. Modern climate records include abrupt changes that are
> smaller and briefer than in paleoclimate records but show that abrupt
> climate change is not restricted to the distant past.’
>
> US National Academy of Science (2002), Committee on Abrupt Climate
> Changes, Abrupt Climate Change: Inevitable Surprises NAP – p19
>
> Abrupt climate change, and its theoretical underpinning in complex
> systems theory, are not new ideas but are not ones that have permeated
> the zeitgeist deeply. Somewhat like Einstein’s Special Theory of
> Relativity – it is counterintuitive and demands nothing less than a
> complete overturning of the way we think. Judging by the continued
> dominance of the arrow of time concept in public expressions –
> Einstein’s thoughts about space and time has likewise not permeated
> deep into the zeitgeist in 100+ years. A complex systems metatheory
> of climate is not incremental knowledge. It doesn’t add to the pool
> of knowledge about climate. Rather, it reveals fundamental properties
> of climate that completely invalidate conventional thinking. It is
> somewhat more important than relativity theory, given the short and
> medium term implications for human societies, that the dynamical and
> complex systems metatheory of climate is understood more widely and an
> abrupt paradigm shift occur in climate science.
By definition, abrupt climate change will happen without warning.
Cheers, Alastair.
--
You received this message because you are subscribed to the Google Groups
Global Change ("globalchange") newsgroup. Global Change is a public, moderated
venue for discussion of science, technology, economics and policy dimensions of
global environmental change.
Posts will be admitted to the list if and only if any moderator finds the
submission to be constructive and/or interesting, on topic, and not
gratuitously rude.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to
[email protected]
For more options, visit this group at
http://groups.google.com/group/globalchange