Earth Sciences Forum

Andre

Annual temperature trends of the last 30 years

Which is correct?

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Charley Brown

Andre · Posted: Mon Apr 14, 2008 7:56 pm Post subject:

to differentiiate more in detail see this:

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Charley Brown

Andre · Posted: Tue Apr 15, 2008 3:40 pm Post subject:

Comparing quarterly figures of all sources:

Click to see full size image

and how it looks from the same starting point zero Jan 1979

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Charley Brown

Andre · Posted: Wed Apr 16, 2008 9:51 pm Post subject:

Unfortunately a wrong data set slipped in there, the RSS TMT, middle troposphere instead of the TLT, lower troposphere:

Corrected data:

Click to see full size image

and the last ten year:

Click to see full size image
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Charley Brown

sunsettommy · Joined: 09 Dec 2007 Posts: 10

sunsettommy · Joined: 09 Dec 2007 Posts: 10

Andre · Posted: Sat Jun 07, 2008 10:44 am Post subject:

This is another comparison of the major global temp data sets updated until april 2008

And the UK weather office set HADCRU3T and the RSS version of the satellite lower troposphere compared to Hansen prediction scenario A

The 12 month running averages of the original datasets are displaced vertically to match the 1979 starting point of scenario A:

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Charley Brown

DEM · Joined: 12 Jul 2008 Posts: 1 Location: Tampa, FL, USA

Andre, the tables are very clear and emphasize the agreement among observers in this 30 year observation period and the recent slowing of the warming pattern. I could find sources for the GHCN values on the GISS site you gave an address for earlier and the HADCRUT site. But the actual MSU2LT and NOAA data sources were unclear. NOAA has a large number of data sites and I assume that NASA is the MSU source but it is complicated by 2003 data adjustments so it is unclear what your source was. In particular, I recently used the UAH source to calculate 29.5 year values to argue that the warming is not global but concentrated in the northern third of the planet and want to know whether any other site breaks data down into hemispheres at least. You comment about my complete thesis on July 5 would be appreciated (Physics Forum).