Isothermality

[mike]

Could somebody explain what isothermality is suppose to be
representing. I know that it is Annual mean temperature/Mean monthly
temp range, but I don't know what it is suppose to show.

Thanks,

Mike

[Dolly Lyne Crawford]

Hello Mike,

I have interpreted Isothermality as "temperature
even-ness" over the course of a year.

I also found the following from
http://74.125.93.132/search?q=cache:9WsuE60KnmoJ:www.geog.ucsb.edu/~williams/geog167lab/SpeciesDistributionModelingLab.pdf+isothermality+diurnal+temperature&cd=4&hl=en&ct=clnk&gl=us&client=firefox-a

"The third map (BIO3: Isothermality) is a quantification
of how large the day-to-night
temperature oscillation is in comparison to the
summer-to-winter oscillation. A value of 100
would represent a site where the diurnal temperature range
is equal to the annual temperature
range. A value of 50 would indicate a location where the
diurnal temperature range is half of
the annual temperature range. Which region has the highest
isothermality? What is a
species that appears to grow well in a highly isothermal
environment? What is a species
that grows across a range of isothermalities?"

hope this helps,

Cheers,

Dolly

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Dolly L. Crawford
Postdoctoral Researcher
University of North Carolina at Chapel Hill
http://www.unc.edu/~crawfish/DCrawford/
craw...@email.unc.edu
http://www.unm.edu/~crawdoll/DCrawford/Index.htm