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#1
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On Feb 12, 10:24*am, Peter Franks wrote:
The land surface temperature record is dirty and must be constantly corrected, often after the fact using 'best guesses' at correction, not to mention the numerous stations that should be corrected, but aren't. All of this stinks of a useless dataset. For historical analysis, why not just use the ocean surface temperature record? No correction needed. ? OK, it's certainly a good sized statistical sample. However, classic global warming theory says sea surface temperatures rise slower than land surface temperatures. (The water mixes, hiding the solar heating with colder water from below, preventing that energy from re-radiating,) Although the rates are different, the global land and sea surface data do show strong correlations. They both show a warming planet. The Sea Surface Temperature, or SST, Record Here, from Hadley Centre, are the global sea surface temperatures from 1850 to 2009. Please see: http://www.cru.uea.ac.uk/cru/data/temperature/ http://www.cru.uea.ac.uk/cru/data/te.../hadsst2gl.txt The yearly means of these data are graphed he http://members.cox.net/rcoppock/HadSST2gl.jpg Here are the slope data: http://members.cox.net/rcoppock/hadSlope1850-2008.jpg |
#2
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Roger Coppock wrote:
On Feb 12, 10:24 am, Peter Franks wrote: The land surface temperature record is dirty and must be constantly corrected, often after the fact using 'best guesses' at correction, not to mention the numerous stations that should be corrected, but aren't. All of this stinks of a useless dataset. For historical analysis, why not just use the ocean surface temperature record? No correction needed. ? OK, it's certainly a good sized statistical sample. Perhaps, but dirty. Why use it when there is an arguably much cleaner sample? GIGO. However, classic global warming theory says sea surface temperatures rise slower than land surface temperatures. (The water mixes, hiding the solar heating with colder water from below, preventing that energy from re-radiating,) Although the rates are different, the global land and sea surface data do show strong correlations. They both show a warming planet. The Sea Surface Temperature, or SST, Record Here, from Hadley Centre, are the global sea surface temperatures from 1850 to 2009. Please see: http://www.cru.uea.ac.uk/cru/data/temperature/ http://www.cru.uea.ac.uk/cru/data/te.../hadsst2gl.txt The yearly means of these data are graphed he http://members.cox.net/rcoppock/HadSST2gl.jpg Do you have a graph of the actual temperatures (not the anomaly)? Defining what is/isn't an anomaly is relative and subject to interpretation -- I'd prefer to see the actual temperatures. Here are the slope data: http://members.cox.net/rcoppock/hadSlope1850-2008.jpg Interesting 50 year cycle, what's the explanation/cause of that? |
#3
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On Feb 12, 4:17*pm, Peter Franks wrote:
Roger Coppock wrote: On Feb 12, 10:24 am, Peter Franks wrote: The land surface temperature record is dirty and must be constantly corrected, often after the fact using 'best guesses' at correction, not to mention the numerous stations that should be corrected, but aren't. All of this stinks of a useless dataset. For historical analysis, why not just use the ocean surface temperature record? No correction needed. ? OK, it's certainly a good sized statistical sample. Perhaps, but dirty. *Why use it when there is an arguably much cleaner sample? *GIGO. However, classic global warming theory says sea surface temperatures rise slower than land surface temperatures. *(The water mixes, hiding the solar heating with colder water from below, preventing that energy from re-radiating,) *Although the rates are different, the global land and sea surface data do show strong correlations. *They both show a warming planet. The Sea Surface Temperature, or SST, Record Here, from Hadley Centre, are the global sea surface temperatures from 1850 to 2009. *Please see: http://www.cru.uea.ac.uk/cru/data/temperature/ http://www.cru.uea.ac.uk/cru/data/te.../hadsst2gl.txt The yearly means of these data are graphed he http://members.cox.net/rcoppock/HadSST2gl.jpg Do you have a graph of the actual temperatures (not the anomaly)? Defining what is/isn't an anomaly is relative and subject to interpretation -- I'd prefer to see the actual temperatures. Just add 14.0 C. You'll be close enough. Here are the slope data: http://members.cox.net/rcoppock/hadSlope1850-2008.jpg Interesting 50 year cycle, what's the explanation/cause of that? I don't know. It's hard to study that signal because the much larger global warming signal swamps it. |
#4
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Roger Coppock wrote:
On Feb 12, 4:17 pm, Peter Franks wrote: Roger Coppock wrote: On Feb 12, 10:24 am, Peter Franks wrote: The land surface temperature record is dirty and must be constantly corrected, often after the fact using 'best guesses' at correction, not to mention the numerous stations that should be corrected, but aren't. All of this stinks of a useless dataset. For historical analysis, why not just use the ocean surface temperature record? No correction needed. ? OK, it's certainly a good sized statistical sample. Perhaps, but dirty. Why use it when there is an arguably much cleaner sample? GIGO. However, classic global warming theory says sea surface temperatures rise slower than land surface temperatures. (The water mixes, hiding the solar heating with colder water from below, preventing that energy from re-radiating,) Although the rates are different, the global land and sea surface data do show strong correlations. They both show a warming planet. The Sea Surface Temperature, or SST, Record Here, from Hadley Centre, are the global sea surface temperatures from 1850 to 2009. Please see: http://www.cru.uea.ac.uk/cru/data/temperature/ http://www.cru.uea.ac.uk/cru/data/te.../hadsst2gl.txt The yearly means of these data are graphed he http://members.cox.net/rcoppock/HadSST2gl.jpg Do you have a graph of the actual temperatures (not the anomaly)? Defining what is/isn't an anomaly is relative and subject to interpretation -- I'd prefer to see the actual temperatures. Just add 14.0 C. You'll be close enough. Would you mind creating a graph of the sea surface temperature history? Here are the slope data: http://members.cox.net/rcoppock/hadSlope1850-2008.jpg Interesting 50 year cycle, what's the explanation/cause of that? I don't know. It's hard to study that signal because the much larger global warming signal swamps it. Hmm. I hope that attitude isn't endemic to the GW industry. Understanding the cause of the cycle is /critical/ to better understanding the effects, wouldn't you say? |
#5
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