The Dernogalizer

October 29, 2009

Statisticians Reject Global Cooling

Filed under: Climate Change — Matt Dernoga @ 2:29 pm
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Yes, for those of you who are living under a rock, the Earth is warming long term, and short term.  But this recent AP development really puts the “global cooling crowd” to shame.  Excerpts posted below.

“Have you heard that the world is now cooling instead of warming? You may have seen some news reports on the Internet or heard about it from a provocative new book.  Only one problem: It’s not true, according to an analysis of the numbers done by several independent statisticians for The Associated Press.”

“In a blind test, the AP gave temperature data to four independent statisticians and asked them to look for trends, without telling them what the numbers represented. The experts found no true temperature declines over time.

“If you look at the data and sort of cherry-pick a micro-trend within a bigger trend, that technique is particularly suspect,” said John Grego, a professor of statistics at the University of South Carolina.”

“Global warming skeptics base their claims on an unusually hot year in 1998. Since then, they say, temperatures have dropped — thus, a cooling trend. But it’s not that simple.

Since 1998, temperatures have dipped, soared, fallen again and are now rising once more. Records kept by the British meteorological office and satellite data used by climate skeptics still show 1998 as the hottest year. However, data from the National Oceanic and Atmospheric Administration and NASA show 2005 has topped 1998. Published peer-reviewed scientific research generally cites temperatures measured by ground sensors, which are from NOAA, NASA and the British, more than the satellite data.”

“”The last 10 years are the warmest 10-year period of the modern record,” said NOAA climate monitoring chief Deke Arndt. “Even if you analyze the trend during that 10 years, the trend is actually positive, which means warming.””

“Statisticians who analyzed the data found a distinct decades-long upward trend in the numbers, but could not find a significant drop in the past 10 years in either data set. The ups and downs during the last decade repeat random variability in data as far back as 1880.”

“Statisticians say that in sizing up climate change, it’s important to look at moving averages of about 10 years. They compare the average of 1999-2008 to the average of 2000-2009. In all data sets, 10-year moving averages have been higher in the last five years than in any previous years.

“To talk about global cooling at the end of the hottest decade the planet has experienced in many thousands of years is ridiculous,” said Ken Caldeira, a climate scientist at the Carnegie Institution at Stanford.”

“Of the 10 hottest years recorded by NOAA, eight have occurred since 2000, and after this year it will be nine because this year is on track to be the sixth-warmest on record.

The current El Nino is forecast to get stronger, probably pushing global temperatures even higher next year, scientists say. NASA climate scientist Gavin Schmidt predicts 2010 may break a record, so a cooling trend “will be never talked about again.”

 

 

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3 Comments »

  1. […] from statisticians rejecting global cooling, this has got to be one of the most damning sets of temperature data that I’ve ever seen. […]

    Pingback by Record High Temperatures outpace Record Lows « It’s Getting Hot In Here — November 14, 2009 @ 1:32 pm | Reply

  2. You posted this before the story broke, of the emails showing that the “climatologists” have been covering up global cooling for years.

    Are you ready to admit you’ve been defrauded by a bunch of money-grubbing frauds?

    Comment by kazvorpal — November 25, 2009 @ 12:26 pm | Reply


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