Articles Tagged "World Temperatures"

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David Rose: Forget global warming - it's Cycle 25 we need to worry about (and if NASA scientists are right the Thames will be freezing over again)
Saturday, January 28th 2012, 7:28 PM EST
Co2sceptic (Site Admin)
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Met Office releases new figures which show no warming in 15 years

The supposed ‘consensus’ on man-made global warming is facing an inconvenient challenge after the release of new temperature data showing the planet has not warmed for the past 15 years.

The figures suggest that we could even be heading for a mini ice age to rival the 70-year temperature drop that saw frost fairs held on the Thames in the 17th Century.

Based on readings from more than 30,000 measuring stations, the data was issued last week without fanfare by the Met Office and the University of East Anglia Climatic Research Unit. It confirms that the rising trend in world temperatures ended in 1997.

Meanwhile, leading climate scientists yesterday told The Mail on Sunday that, after emitting unusually high levels of energy throughout the 20th Century, the sun is now heading towards a ‘grand minimum’ in its output, threatening cold summers, bitter winters and a shortening of the season available for growing food.

Solar output goes through 11-year cycles, with high numbers of sunspots seen at their peak.
Source Link: dailymail.co.uk/sciencetech
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March solar flare was strongest yet seen by Kate Taylor: Updated with NASA YouTube
Wednesday, June 13th 2012, 2:52 AM EDT
Co2sceptic (Site Admin)
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The solar flare which erupted on March 7 was the most powerful eruption ever observed by Fermi's Large Area Telescope (LAT).

The flare, classified as X5.4, made the sun briefly the brightest object in the gamma-ray sky.

"For most of Fermi's four years in orbit, its LAT saw the sun as a faint, steady gamma-ray source thanks to the impacts of high-speed particles called cosmic rays," says Nicola Omodei, an astrophysicist at Stanford University in California. "Now we're beginning to see what the sun itself can do."

At the flare's peak, it was emitting gamma rays with two billion times the energy of visible light, or about four billion electron volts - easily setting a record for the highest-energy light ever detected during or immediately after a solar flare.
Source Link: tgdaily.com
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Sun may soon have four poles, say researchers by Seiji Tanaka
Saturday, April 21st 2012, 9:49 AM EDT
Co2sceptic (Site Admin)
Image AttachmentThe sun may be entering a period of reduced activity that could result in lower temperatures on Earth, according to Japanese researchers.

Officials of the National Astronomical Observatory of Japan and the Riken research foundation said on April 19 that the activity of sunspots appeared to resemble a 70-year period in the 17th century in which London’s Thames froze over and cherry blossoms bloomed later than usual in Kyoto.

In that era, known as the Maunder Minimum, temperatures are estimated to have been about 2.5 degrees lower than in the second half of the 20th century.

The Japanese study found that the trend of current sunspot activity is similar to records from that period.

The researchers also found signs of unusual magnetic changes in the sun. Normally, the sun’s magnetic field flips about once every 11 years. In 2001, the sun’s magnetic north pole, which was in the northern hemisphere, flipped to the south.
Source Link: ajw.asahi.com
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Sun's 11-year cycle means we're in for Arctic freeze this winter, say scientists by Leon Watson
Monday, October 10th 2011, 7:45 AM EDT
Co2sceptic (Site Admin)
Study measures sun's UV radiation to 'predict' seasons

First-ever 'high-resolution' scan of solar radiation

Cycle's effect on weather 'greater than first thought'

This year's low radiation makes for cold Easterly winds


It's been a lovely Indian summer - but it could come back to bite us.

That's what scientists predict after working out the first ever pattern of activity for the sun.

According to research, the sun runs on an 11-year cycle - and this affects winter weather over the northern hemisphere.
Source Link: dailymail.co.uk
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Doug L. Hoffman: Winter Sun
Wednesday, November 30th 2011, 5:40 PM EST
Co2sceptic (Site Admin)
Image AttachmentDifference in winter surface climate for solar minimum minus solar maximum.

The impact of solar irradiance variations on Earth’s surface climate has been debated by many in the past. Based on correlations between solar variability and meteorological changes, the Sun-climate link seems obvious but, as is often stated, correlation does not prove causation. Previously, any link was disputed because the amount of energy delivered by the Sun was deemed too small to have a significant impact. New satellite measurements indicate that variations in solar ultraviolet irradiance may be larger than previously thought, forcing a reevaluation of the impact of solar variation. A recent report in the journal Nature Geoscience claims to show just that—a link between the 11 year solar cycle and Northern Hemisphere winters.

Using older measurements of solar variability over the 11 year solar cycle as input, climate models have proven incapable of establishing linkage between insolation and climate. Still, there have been tantalizing reports of such linkage in the past (see “The Sun's Hidden Power”). In a report in the August 28, 2009, issue of the journal Science entitled “Amplifying the Pacific Climate System Response to a Small 11-Year Solar Cycle Forcing,” Gerald A. Meehl et al. described a possible mechanism that could explain how seemingly small changes in solar output can have a big impact on Earth's climate. Their work explained how the upper atmosphere can act as a solar heat amplifier when UV radiation from the Sun increases.

Now, new, more accurate measurements taken by satellites have revised the amount of variability in insolation, particularly in the ultraviolet frequencies. In “Solar forcing of winter climate variability in the Northern Hemisphere,” Sarah Ineson et al. have applied these new data to a revised climate model and report positive linkage between insolation variability and climate. The researchers explain the importance of the new satellite data.
Source Link: theresilientearth.com
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P. Gosselin: Signs Of Strengthening Global Cooling by Matti Vooro
Saturday, January 22nd 2011, 3:19 PM EST
Co2sceptic (Site Admin)
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The entire planet has stopped warming since 1998 and, more significantly, has started to cool since 2003. Instead of warning people of cooler weather for the next 30 years, there’s still the distinct false sense of expectation of unprecedented warming. People and governments are being urged to go entirely in the wrong direction for the wrong reasons – and at a potentially horrendous price.

Just look at what happened in UK. Ten years ago Britons were told to expect global warming only and that snow would be a thing of the past. Yet the opposite has arrived, three winters in a row. This winter it crippled the entire nation for nearly a month in December 2010.
Source Link: notrickszone.com
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"New Little Ice Age Cannot Be Ruled Out" by Rickmer Flor
Thursday, December 16th 2010, 7:53 AM EST
Co2sceptic (Site Admin)
Everybody is talking about global warming - but in Germany and also in many other countries around the world people are currently fighting with the adversities of extreme cold. And indeed: "The year 2010 will be the coldest for ten years in Germany," said Thomas Globig from the weather service Meteo Media talking to wetter.info . And it might even get worse: "It is quite possible that we are at the beginning of a Little Ice Age," the meteorologist said. Even the Arctic ice could spread further to the south.

It is already clear: the average temperatures in Germany this year (8.1 degrees Celsius) were 0.2 degrees below the long term measured average of 8.3 degrees. "I fear we will end up still significantly lower by the end of the year", said Globig. The long-term average is actually the average of all German stations from 1961 to 1990.

Coldest December in 100 years

In Berlin, there was an absolute cold record in early December, "For 100 years it had not been as cold as in the first decade of December," said Globig. This also applied to other regions. But why is it so cold just now? Might it have anything to do with climate change? "I'm very sceptical", replied Globig. A few years ago when we had a period of mild winters many climate scientists warned that winter sport in Germany's low mountain ranges would soon no longer be possible anymore because of global warming. "Now they are saying: the cold winters are a consequence of global warming - a questionable implication," according to Globig.
Source Link: wetter.t-online.de
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Frost fairs on the Thames: How the sun caused global cooling three centuries ago by Michael Hanlon
Saturday, June 18th 2011, 7:16 AM EDT
Co2sceptic (Site Admin)
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For more than 25 years now we have been predicting a grim, overheated future of droughts, heat waves, rising sea levels and flash floods as global warming plunges the earth in to climate chaos.

Mankind’s profligacy with fossil fuels has led to billions of tons of carbon dioxide bring pumped into the atmosphere, creating a warming blanket around the earth – in turn triggering a global fever from which many scientists believe we will take millennia to recover.

But along this week come extraordinary claims that cosmic forces beyond our control may be about to plunge the Earth in to a mini-ice age or at the very least they will ameliorate the perilous effects of manmade global warming.

Rising to the rescue is the Sun, our life-giving star and the agency which, many global warming sceptics insist, is the real cause of the temperature rises we have seen in the last century or so.
Source Link: dailymail.co.uk/
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Lewis Page: Earth may be headed into a mini Ice Age within a decade
Tuesday, June 14th 2011, 5:18 PM EDT
Co2sceptic (Site Admin)
Physicists say sunspot cycle is 'going into hibernation'

What may be the science story of the century is breaking this evening, as heavyweight US solar physicists announce that the Sun appears to be headed into a lengthy spell of low activity, which could mean that the Earth – far from facing a global warming problem – is actually headed into a mini Ice Age.

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The announcement made on 14 June (18:00 UK time) comes from scientists at the US National Solar Observatory (NSO) and US Air Force Research Laboratory. Three different analyses of the Sun's recent behaviour all indicate that a period of unusually low solar activity may be about to begin.

The Sun normally follows an 11-year cycle of activity. The current cycle, Cycle 24, is now supposed to be ramping up towards maximum strength. Increased numbers of sunspots and other indications ought to be happening: but in fact results so far are most disappointing. Scientists at the NSO now suspect, based on data showing decades-long trends leading to this point, that Cycle 25 may not happen at all.
Source Link: theregister.co.uk
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John O'Sullivan: Top Scientist Says new Solar Wobble to Prolong Global Cooling
Tuesday, May 31st 2011, 1:43 PM EDT
Co2sceptic (Site Admin)
As a new solar minimum takes our planet towards global cooling an increasing number of scientists give credence to a new theory blaming our Sun's wobble.

It started in 2007 when scientists saw that gravitational forces in our solar system may have a huge impact on Earth's climate. Professor Ivanka Charvátová, CSc. from the Geophysical Institute of the Czech Academy of Sciences, explains why there is suddenly so much interest in her theory in an exclusive interview with klimatskeptik.cz.

Professor Charvátová calls it Solar Inertial Motion (SIM) and she claims it will have serious impacts on our climate. She says a predictable "wobble" of our Sun called barycenter shift alters Earth's weather patterns. Few climatologists have yet studied this phenomenon. But the evidence supporting Professor Charvátová's SIM theory is becoming ever more compelling.

Our Wobbling Sun

Increased international interest in the SIM 'wobble effect' began after Australian scientist Dr. Richard Mackey published a paper addressing the effects of the barycenter shift in The Journal of Coastal Research in 2007. Mackey drew inspiration from the work of the late Rhodes Fairbridge.

Click source to read FULL report from John O'Sullivan
Source Link: suite101.com
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