Articles Tagged "Lawrence Solomon"

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Lawrence Solomon: NASA scientist reverses sunspot prediction, bolstering global cooling theory
Friday, June 17th 2011, 3:31 AM EDT
Co2sceptic (Site Admin)
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Five years ago, NASA’s David Hathaway, one of the world’s leading authorities on the solar cycle, predicted that the Sun was about to enter an unusually intense period of sunspot activity. Referring to Solar Cycle 24, the 11-year period that we’re now in, Hathaway predicted that it “looks like it’s going to be one of the most intense cycles since record-keeping began almost 400 years ago.”

Because sunspot activity has historically predicted periods of global warming and global cooling – lots of sunspots translates into lots of warming and vice versa – Hathaway’s study – presented at a December 2006 meeting of the American Geophysical Union in San Francisco — acted to support global warming theorists and to discredit the various solar scientists who believe that Earth is about to enter a prolonged period of cooling.

Today, Hathaway, a solar physicist at NASA’s Marshall Space Flight Center, believes his earlier prediction was wrong. Rather than hitting a peak of 160 sunspots, and possibly 185, as he predicted in 2006, he now believes that the Sun’s activity will decline dramatically. The current prediction, to less than half that of 2006, “would make this the smallest sunspot cycle in over 100 years,” he now states.
Source Link: opinion.financialpost.com
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Lawrence Solomon: More evidence it used to be really hot out there
Friday, May 27th 2011, 6:38 AM EDT
Co2sceptic (Site Admin)
A linchpin in the global warming theory is the claim that we now live in a time of unprecedented warmth. Unfortunately for those who assert this theory, the history books all said it was hot during the centuries immediately before and after 1000 AD – the time known the Medieval Warm Period.

“We have to get rid of the Medieval Warm Period” read one email from the asserters, circa 1995, unimpressed that England grew grapes and the Vikings settled Greenland during the centuries they viewed as cooler than today’s. They promoted the theory that, although Europe might have been hot, the rest of the world was not.

Except that Chinese experts disagreed. According to the Chinese Academy of Meteorological Sciences, China was one degree warmer during the Medieval Warm Period. The Chinese Academy determined this by looking at records of where citrus groves and subtropical herbs were cultivated at that time – at far more northerly regions than today. As with Europe, the advanced Chinese civilization had a wealth of historical evidence to rebut the claims of the asserters. Other evidence – reported by the United Nations Intergovernmental Panel on Climate Change, no less — shows that Japan was also hot during the Medieval Warm Period.

Now comes more evidence still, this time from South America. In a study published this month in the Proceedings of the National Academy of Sciences, researchers at the University of Pennsylvania found that Peru was warm during the Medieval Warm Period. Although South American civilization of 1000 years ago didn’t leave behind a rich historical record for experts to assess, sediment deposits in a Peruvian lake had a story of their own to tell. Based on the researchers’ analysis of the lake bed’s composition over the last 2300 years, they were able to unearth data showing Peru’s temperature to have been in line with that elsewhere during the Medieval Warm Period.
Source Link: opinion.financialpost.com
Could the Sun Be the Driver of Global Warming? by Duane Sharp
Saturday, January 29th 2011, 8:42 AM EST
Co2sceptic (Site Admin)
Many solar and space scientists believe cosmic rays entering the earth's atmosphere are regulated by the sun and are a dominant factor in global warming.

There's a new IPCC pitch on global warming and if the environmentalists ever catch on, it could be a game-changer.

In a move which will be mind-boggling for all those who thought the science of global warming had been decided, and that man-made contributions dwarfed all other sources, despite the disrepute into which the hockey stick et al have fallen, it will come as a surprise that the IPCC is investing the sun, in the belief that cosmic rays are a dominant factor in global warming.

The IPCC, that eminent climate-watcher and disseminator of information on the latest scientific findings on global warming, CO2 emissions, and climate change, will for the first time investigate 'in depth' the role of global cosmic rays in climate change, according to a report last week in the Hindustan Times.(Financial Post, "The IPCC is investigating the Sun as a driver of global warming," Lawrence Solomon, Jan. 25, 2011)
Source Link: suite101.com
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Chilling evidence by Lawrence Solomon
Thursday, September 16th 2010, 9:44 AM EDT
Co2sceptic (Site Admin)
Two years ago, William Livingston and Matthew Penn of the National Solar Observatory in Tucson, in a controversial paper that contradicted conventional wisdom and upset global warming theorists, predicted that sunspots could more or less disappear after 2015, possibly indicating the onset of another Little Ice Age.

As they stated then, “the occurrence of prolonged periods with no sunspots is important to climate studies, since the Maunder Minimum was shown to correspond with the reduced average global temperatures on the Earth.” The Maunder Minimum lasted for approximately 70 years, from about 1645 to 1715, and was marked by bitter cold, widespread crop failures, and severe human privation. They concluded their 2008 paper by noting, “Finally, observations of this type during the onset of the next sunspot cycle will be critical in determining if the observed trends continue.”

We are now in the onset of that next sunspot cycle, called Cycle 24 – these cycles typically last 11 years — and Livingston and Penn have this month published new, potentially ominous findings in a paper entitled Long-term Evolution of Sunspot Magnetic Fields: “we are now seeing far fewer sunspots than we saw in the preceding cycle; solar Cycle 24 is producing an anomalously low number of dark spots and pores,” they report.

Their conclusions have potential “dramatic implications.” Cycle 24 could have just half the number of sunspots as the recently completed Cycle 23, and there could be “virtually no sunspots in Cycle 25.” The implications of their research points to decades of spotlessness.

Updated below with link from Discovery News
Source Link: opinion.financialpost.com
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Enjoy the warmth while it lasts by Lawrence Solomon from National Post
Saturday, October 31st 2009, 1:57 PM EDT
Co2sceptic (Site Admin)
Thank your lucky stars to be alive on Earth at this time. Our planet is usually in a deep freeze. The last million years have cycled through Ice Ages that last about 100,000 years each, with warmer slivers of about 10,000 years in between.

We are in-betweeners, and just barely — we live in (gasp!) year 10,000 or so after the end of the last ice age. But for our good fortune, we might have been born in the next Ice Age.

Our luck is even better than that. Those 10,000-year warm spells aren’t all cosy-warm. They include brutal Little Ice Ages such as the 500-year-long Little Ice Age that started about 600 years ago. Fortunately, we weren’t around during its fiercest periods when Finland lost one-third of its population, Iceland half, and most of Canada became uninhabitable — even the Inuit fled. While the cold spells within the 10,000 year warm spells aren’t as brutal as a Little Ice Age, they can nevertheless make us huddle in gloom, such as the period in history from about 400 AD to 900 AD, which we know as the Dark Ages. We’ve lucked out twice, escaping the cold spells within the warm spells, making us inbetweeners within the inbetween periods. How good is that?
Source Link: network.nationalpost.com
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