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sci.geo.meteorology (Meteorology) (sci.geo.meteorology) For the discussion of meteorology and related topics. |
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#1
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On Wed, 5 Aug 2009 18:37:21 -0700 (PDT), Roger Coppock
wrote: On Aug 5, 12:36Â*pm, Joern Abatz wrote: On Wed, 05 Aug 2009 04:16:30 -0700, Roger Coppock wrote: RSS Satellite Data Clearly Show A Warming Global Climate [...] Coefficients: Â* Â* Â* Â* Â* Â* Â*Estimate Std. Error t value Pr(|t|) (Intercept) -30.38442 Â* Â*2.02506 Â* -15.0 Â* 2e-16 YEARMON Â* Â* Â* 0.01528 Â* Â*0.00102 Â* Â*15.1 Â* 3.8e-40 Residual standard error: 0.172 on 365 degrees of freedom Multiple R-Squared: 0.38 F-statistic: Â*226 on 1 and 365 DF, Â*p-value: 3.8e-40 Why those much discussed trendlines are probably insignificant -------------------------------------------------------------- Data sources: ------------- UAH:http://vortex.nsstc.uah.edu/public/m.../tltglhmam_5.2 RSS:ftp://ftp.ssmi.com/msu/monthly_time_...msu_amsu_chann... Regression: ----------- UAH y = Â*0.01268 * x + -25.21167 ; r² = Â*0.26293 ; sd = Â*0.18073 ; Â* Â* n1 = 68.08 ; n2 = 95.20 RSS y = Â*0.01528 * x + -30.38425 ; r² = 0.38279 ; sd = Â*0.17127 ; Â* Â* n1 = 71.66 ; n2 = 94.82 Variables: ---------- x: the month (as a number, 2009.0 is January 2009, 2009.5 is July 2009, Â* Â*half a year later) y: expected value for month x (i.e. what the trendline says) r²: correlation between time line and observed values (1 = perfect, 0 = Â* Â* no correlation at all) sd: standard deviation (calculated from the difference between observed Â* Â* and expected values) n1: percentage of values within plus/minus one standard deviation n2: same for two standard deviations The point is: ------------- In theory, n2 is 95 percent, if the observed values are completely random (no correlation, no causation, no real connection). As the n2 values are in fact still near 95 percent, we still are on the edge of pure noise. Or, maybe, the whole idea of a linear trend is just not what's going on in the real world. Joern Gee you're a good spin doctor, Joern! Someone without any training in statistics might think you found something wrong. These data show a warming trend, PERIOD. Its so hot, I'm freezing, Its getting hotter all the time. |
#2
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Great! 1.5K/Century
Not even at the IPCC best estimate of the "Low Scenario" Roger Coppock wrote: RSS Satellite Data Clearly Show A Warming Global Climate Analysis of satellite surface temperature proxy data from Remote Sensing Systems shows a warming global climate over the last 30 years and 7 months. For background on the satellite temperature proxy please see: http://en.wikipedia.org/wiki/Satelli...e_measurements The Remote Sensing Systems Lower Troposphere (TLT) analysis shows a 0.015+-0.001K/Year rise over the land and sea. http://www.remss.com/data/msu/monthl...cean_v03_2.txt The data from 82.5N to 70S are graphed he http://members.cox.net/rcoppock/RSS-MSU.jpg The regression statistics for the line in the graph above are below. Coefficients: Estimate Std. Error t value Pr(|t|) (Intercept) -30.38442 2.02506 -15.0 2e-16 YEARMON 0.01528 0.00102 15.1 3.8e-40 Residual standard error: 0.172 on 365 degrees of freedom Multiple R-Squared: 0.38 F-statistic: 226 on 1 and 365 DF, p-value: 3.8e-40 =-=-=-=-=-=-= In the real world, outside the fossil fuel industry's spin and lies, global mean surface temperatures continue to rise. Please see: http://www.metoffice.gov.uk/corporat...20080923c.html |
#3
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Wake up, Al! I've answered this question for you before.
On Aug 5, 6:02*pm, Al Bedo ? wrote: Great! 1.5K/Century Not even at the IPCC best estimate of the "Low Scenario" To look at acceleration of a climate trend, one needs about 5 decades to achieve statistical significance. We'll need to wait another two decades to collect enough satellite data. Meanwhile, there are more than enough conventional ground data to see that the warming is clearly accelerating. http://members.cox.net/rcoppock/Slope1952-2007.jpg http://members.cox.net/rcoppock/hadSlope1850-2008.jpg |
#4
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On Wed, 5 Aug 2009 18:51:38 -0700 (PDT), Roger Coppock
wrote: Wake up, Al! I've answered this question for you before. On Aug 5, 6:02Â*pm, Al Bedo ? wrote: Great! 1.5K/Century Not even at the IPCC best estimate of the "Low Scenario" To look at acceleration of a climate trend, one needs about 5 decades to achieve statistical significance. We'll need to wait another two decades to collect enough satellite data. Meanwhile, there are more than enough conventional ground data to see that the warming is clearly accelerating. http://members.cox.net/rcoppock/Slope1952-2007.jpg http://members.cox.net/rcoppock/hadSlope1850-2008.jpg What is the trend after the 2nd time around on a roller coaster? |
#5
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On Aug 5, 9:51*pm, Roger Coppock wrote:
Wake up, Al! *I've answered this question for you before. On Aug 5, 6:02*pm, Al Bedo ? wrote: Great! 1.5K/Century Not even at the IPCC best estimate of the "Low Scenario" To look at acceleration of a climate trend, one needs about 5 decades to achieve statistical significance. *We'll need to wait another two decades to collect enough satellite data. Meanwhile, there are more than enough conventional ground data to see that the warming is clearly accelerating. http://members.cox.net/rcoppock/Slope1952-2007.jpg http://members.cox.net/rcoppock/hadSlope1850-2008.jpg •• As usual Roger is wrong and is trying to validate his stupidity on his own site. The present cooling trend, in 50 years, will clearly reflect the start of the new ice age. |
#6
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On Thu, 6 Aug 2009 05:34:09 -0700 (PDT), Last Post
wrote: On Aug 5, 9:51Â*pm, Roger Coppock wrote: Wake up, Al! Â*I've answered this question for you before. On Aug 5, 6:02Â*pm, Al Bedo ? wrote: Great! 1.5K/Century Not even at the IPCC best estimate of the "Low Scenario" To look at acceleration of a climate trend, one needs about 5 decades to achieve statistical significance. Â*We'll need to wait another two decades to collect enough satellite data. Meanwhile, there are more than enough conventional ground data to see that the warming is clearly accelerating. http://members.cox.net/rcoppock/Slope1952-2007.jpg http://members.cox.net/rcoppock/hadSlope1850-2008.jpg •• As usual Roger is wrong and is trying to validate his stupidity on his own site. He said he doesn't have a web site, so that must just be his home page and cox.net must be an ISP. The present cooling trend, in 50 years, will clearly reflect the start of the new ice age. We can do something about that easier than we can reduce CO2 emissions. I was looking at the underbrush growth today and wondered if a lot more vegetation could cause cooling, a tree might evaporate 30 gallons a day, and at 1000 BTU per pound, that could mean 240,000 BTU per day of evaporative cooling over an area of maybe 20000 square feet, and that may represent as much as 70,000 watt hours per day. Maybe woger could convert that to watts per square meter. There are lots of trees. |
#7
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I didn't say anything about deceleration.
The thirty year -trends- are all -below- the predicted Low Scenario trend of the IPCC! Including surface (CRU and GISS). Including MSU (RSS-MT, RSS-LT, UAH-MT, UAH-LT). Including SST (Hadley). Since the monster stories of global warming are all at the Hi Scenario and the temperature trends aren't even reaching the predicted rate of the LOW Scenario those paying attention are questioning the panic. Roger Coppock wrote: Wake up, Al! I've answered this question for you before. On Aug 5, 6:02 pm, Al Bedo ? wrote: Great! 1.5K/Century Not even at the IPCC best estimate of the "Low Scenario" To look at acceleration of a climate trend, one needs about 5 decades to achieve statistical significance. We'll need to wait another two decades to collect enough satellite data. Meanwhile, there are more than enough conventional ground data to see that the warming is clearly accelerating. http://members.cox.net/rcoppock/Slope1952-2007.jpg http://members.cox.net/rcoppock/hadSlope1850-2008.jpg |
#8
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Al Bedo wrote:
I didn't say anything about deceleration. The thirty year -trends- are all -below- the predicted Low Scenario trend of the IPCC! Including surface (CRU and GISS). Including MSU (RSS-MT, RSS-LT, UAH-MT, UAH-LT). Including SST (Hadley). Show us. |
#9
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On Aug 5, 5:28*pm, Peter Muehlbauer
wrote: Roger Coppock wrote: RSS Satellite Data Clearly Show A Warming Global Climate One month shows a warming global climate? No, Peter, there are 367 months of data here. That 30 years and 7 months. [ . . . ] You really want to make us believe, a homebrew 600 line BASIC program can replace all the datacenters for Global Climate Models? No, Peter, this analysis was done with the "R" statistics package, not my 600 line BASIC program. No, Peter, neither "R" nor my BASIC program are climate models. Peter, your comments show a gross disregard for the facts. |
#10
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Peter Muehlbauer wrote:
Roger Coppock wrote: On Aug 5, 5:28 pm, Peter Muehlbauer wrote: Roger Coppock wrote: RSS Satellite Data Clearly Show A Warming Global Climate One month shows a warming global climate? No, Peter, there are 367 months of data here. That 30 years and 7 months. Roger, I just know you good enough that you won't have come up with "Clearly Show A Warming Global Climate", if data would have been less than last month. Anyway, you try to provide false pretences. The average temperature of RSS LT over the whole record length is 14.082921 °C. This means a negligible change of 0.083 °C over 30 years. Exactly the same applies for other records. Here is a list: (total record lenght, relative to 14°C base line, units in °C, last month's data where new one is not yet available): GISS+dsst: 13,981219 -0,0188 GISS Glb: 14,017419 0,0174 GISS NH: 14,031958 0,0320 GISS SH: 14,002905 0,0029 HadCRUT3: 13,829626 -0,1704 HadSST2: 13,823654 -0,1763 MSU LT: 14,071916 0,0719 MSU MT: 14,024588 0,0246 MSU LS: 13,866345 -0,1337 RSS LT: 14,082921 0,0829 RSS MT: 14,049308 0,0493 UAH LT: 14,067875 0,0679 "Clearly Show A Warming Global Climate", eh, awesome storyteller? cuckoo cuckoo cuckoo |
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