On May 8, 11:35 pm, "David B. Benson" <[EMAIL PROTECTED]> wrote:
> The ITCZ is the Intertropical Convergence Zone.
> There appear to be two meanings:
> (1) Where the Northern Hemisphere (NH) and Southern
> Hemisphere (SH) Hadley Cells meet; a line of thunderstorms
> according to a NOAA site;
> (2) The caloric equator, the location of maximum insolation.
>
> As various climate influences act, the location of the ITCZ
> will of course vary. Precession is one of the varying
> forcings, at least for definition (2). In the following papers
> and book chapters, the general conclusion appears to be that
> the ITCZ ought to be in the SH at present:
>
> Amazon ITCZ overview:
>
> http://www.botany.wisc.edu/courses/botany_430/Hooghiemstra.pdf
>
> LGM Atlantic ITCZ simulation:
>
> http://www.atmos.washington.edu/~david/chiang.pdf
>
> Arabian Sea last 90 ky:
>
> http://www.era.lib.ed.ac.uk/bitstream/1842/760/10/10+Chapter+8+Synthe...
>
> But we have this quote "... today the ITCZ maintains a
> nearly permanent Northern Hemisphere bias." from:
>
> http;//www.springerlink.com/index/h3p1736qm55vm080.pdf
>
> I suppose this is a global warming effect, but I don't claim
> to understand it.
They are two different things. I understand the difference but find it
difficult to explain it.
Cheers, Alastair.
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