Emitted by natural and human sources, aerosols can directly influence
climate by reflecting or absorbing the sun's radiation. The small particles
also affect climate indirectly by seeding clouds and changing cloud
properties, such as reflectivity.
A new study, led by climate scientist Drew
,
Albert
Date: Thu, 27 Sep 2012 15:13:55 -0400
Subject: Re: [geo] Re: nuclear winter, from the archives
From: mmacc...@comcast.net
To: Geoengineering@googlegroups.com
Re: [geo] Re: nuclear winter, from the archives
Here’s my take on the exchange:
It seems to me the core of the difference
Sep 2012 15:13:55 -0400
Subject: Re: [geo] Re: nuclear winter, from the archives
From: mmacc...@comcast.net
To: Geoengineering@googlegroups.com
Re: [geo] Re: nuclear winter, from the archives Here¹s my take on the
exchange:
It seems to me the core of the difference in the use
in
heat, or lack of rain, would these measures be agreeable by rise in
cesium and iodine.
/Regards,/
*Albert *
Date: Thu, 27 Sep 2012 15:13:55 -0400
Subject: Re: [geo] Re: nuclear winter, from the archives
From: mmacc
of them dying in heat, or lack of rain, would these
measures be agreeable by rise in cesium and iodine.
Regards,
Albert
Date: Thu, 27 Sep 2012 15:13:55 -0400
Subject: Re: [geo] Re: nuclear winter, from the archives
From: mmacc...@comcast.net
To: Geoengineering@googlegroups.com
@googlegroups.com
Sent: Sunday, September 30, 2012 1:54:45 PM
Subject: Re: [geo] Re: nuclear winter, from the archives
Dear Albert,
The way that nuclear attacks could change climate is because of the smoke
from the fires they would start. These black soot particles could be lofted
Here¹s my take on the exchange:
It seems to me the core of the difference in the use and interpretation of a
metaphor to describe scientific results‹and arguing over this can
unfortunately obscure the significance of the scientific work.
Russell is doing what scientists often do, namely taking
Does anyone care anymore what Carl Sagan wrote 30 years ago? Half the
population is too young to even know who he was. I question whether
anyone who was under 30 in 1986 even remembers anything about the early
debates. Surely what is more important now is our current understanding of
the
One interesting aspect of this discussion is effect on global climate of
catastrophic forest fires
Vizy et al, and other authors, have looked at biome scale wildfires,
notably in the Amazon region.
These have the possibility to affect global climate severely, and
potentially (I suggest) induce a
It is hard to adduce natural analogs to phenomena that do not exist , for
example, the instantaneous appearance of a global homogeneous soot cloud
with an optical depth of twenty, which was the parametric basis of the
apocalyptic TTAPS model that climatologists Starley Thompson and Steve
AM
Subject: [geo] Re: nuclear winter, from the archives
One interesting aspect of this discussion is effect on global climate of
catastrophic forest fires
Vizy et al, and other authors, have looked at biome scale wildfires, notably in
the Amazon region.
These have the possibility
Alan's powers of revision continue to astonish. He writes : It is amazing
how these results have held up in the intervening 27 years.
Really ? Has he forgotten the five order of magnitude difference in
darkness between the Apocalyptic predictions Sagan adduced in 1984 , and
the recent
Here are the time-temperature curves of the 1983 'nuclear winter ' model,
and those of Robock et al. 2007 , superimposed on the same scale:
http://s1098.photobucket.com/albums/g370/RussellSeitz/?action=viewcurrent=TTAPSROBOCK.jpg
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Dear Russell,
You are comparing apples and oranges, or apples and something that is
not even fruit. Are you doing this on purpose to fool readers or did
you not even read the papers and understand what was done?
Here are the differences:
1. TTAPS looked at three scenarios of global
Dear Alan;
You are trying to deny the elephant sized apple in the room-- your effort
to redefine 'nuclear winter ' downward amonts to raw semantic aggresion in
the light of how Carl Sagan made its quantitative meaning perfectly clear
by telling a national television audience it was
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