[LINK] Global Warming Yes or no.

Kim Holburn kim at holburn.net
Tue Nov 9 19:26:59 AEDT 2010

Thos maps don't make much sense to me.  The first one represents the maximum temperatures between 1950 and 2009, the second, the maximums between 1960 and 2009 and the last the maxima between 1970 and 2009.  It's just not all that useful.  It also does't seem to demonstrate what you are postulating since if the data sets really were those years and it's getting hotter then the three maps shouldn't be all that different.

On 2010/Nov/09, at 5:24 PM, Tom Koltai wrote:

> I've been playing with the stats over at Bureau of meteorology
> (bom.gov.au) with some interesting insights.
> Australian Climate Extremes - Trend maps
> It is interesting to view the following URL's in the sequence presented:
> Highest Maximum Temp
> http://www.bom.gov.au/cgi-bin/climate/change/extremes/trendmaps.cgi?map=
> TXmx&period=1950
> http://www.bom.gov.au/cgi-bin/climate/change/extremes/trendmaps.cgi?map=
> TXmx&period=1960
> http://www.bom.gov.au/cgi-bin/climate/change/extremes/trendmaps.cgi?map=
> TXmx&period=1970
> The site also allows hottest nights coldest nights etc.
> The conclusion is that we have more hotter days and nights in the last
> forty years then in the two decades preceding the 70's.
> The stats are hard to argue with (bom) have been collecting temperature
> data  for Sydney since 1859.
> A story in Crikey earlier this year suggested that 7454 MW of new power
> stations would built using coal based fuels.
> http://www.crikey.com.au/2010/03/05/australias-love-affair-with-coal-fir
> ed-power-hotter-than-ever/
> Possibly the time is right for tomorrows generation to have a say in
> their children's futures.
> Tom
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> Link at mailman.anu.edu.au
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Kim Holburn
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