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NASA Goddard study suggests solar variation plays a role in our current climate
Posted By admin On June 5, 2009 @ 9:02 am In Sci Tech | Comments Disabled
Watts Up With That 
Friday June 5th, 2009
Report indicates solar cycle has been impacting Earth since the Industrial Revolution
From the Daily Tech , Michael Andrews. (h/t to Joe D’Aleo)
Some researchers believe that the solar cycle  influences global climate changes. They attribute recent warming trends to cyclic variation. Skeptics, though, argue that there’s little hard evidence of a solar hand in recent climate changes.
[NOTE: there is evidence of solar impact on the surface temperature record, as Basil Copeland and I discovered in this report published here on WUWT titled Evidence of a Lunisolar Influence on Decadal and Bidecadal Oscillations In Globally Averaged Temperature Trends  - Anthony]
(ARTICLE CONTINUES BELOW)
Solar activity has shown a major spike in the twentieth century, corresponding to global warming. This cyclic variation was acknowledged by a recent NASA  study, which reviewed a great deal of past climate data . (Source: Wikimedia Commons)
Now, a new research report  from a surprising source may help to lay this skepticism to rest. A study from NASA’s Goddard Space Flight Center in Greenbelt, Maryland looking at climate data over the past century has concluded that solar variation has made a significant impact on the Earth’s climate. The report concludes that evidence for climate changes based on solar radiation can be traced back as far as the Industrial Revolution.
Past research has shown that the sun goes through eleven year cycles. At the cycle’s peak, solar activity  occurring near sunspots is particularly intense, basking the Earth in solar heat. According to Robert Cahalan, a climatologist at the Goddard Space Flight Center,
“Right now, we are in between major ice ages, in a period that has been called the Holocene.”
Thomas Woods, solar scientist at the University of Colorado in Boulder concludes,
“The fluctuations in the solar cycle impacts Earth’s global temperature by about 0.1 degree Celsius, slightly hotter during solar maximum and cooler during solar minimum. The sun is currently at its minimum, and the next solar maximum is expected in 2012.”
According to the study, during periods of solar quiet, 1,361 watts per square meter of solar energy reaches Earth’s outermost atmosphere. Periods of more intense activity brought 1.3 watts per square meter (0.1 percent) more energy.
While the NASA study acknowledged the sun’s influence on warming and cooling patterns, it then went badly off the tracks. Ignoring its own evidence, it returned to an argument that man had replaced the sun as the cause current warming patterns. Like many studies, this conclusion was based less on hard data and more on questionable correlations and inaccurate modeling techniques .
The inconvertible fact, here is that even NASA’s own study acknowledges that solar variation has caused climate change  in the past. And even the study’s members, mostly ardent supports of AGW theory, acknowledge that the sun may play a significant role in future climate changes.
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URLs in this post:
 Watts Up With That: http://wattsupwiththat.com/2009/06/04/nasa-goddard-study-suggests-solar-variation-plays-a-role-in-our-current-climate/
 NASA Study Acknowledges Solar Cycle, Not Man, Responsible for Past Warming: http://www.dailytech.com/NASA+Study+Acknowledges+Solar+Cycle+Not+Man+Responsible+for+Past+Warming/article15310.htm
 solar cycle: http://www.dailytech.com/Experimental+Link+Found+Between+Sun+and+Climate/article12804.htm
 Evidence of a Lunisolar Influence on Decadal and Bidecadal Oscillations In Globally Averaged Temperature Trends: http://wattsupwiththat.com/2009/05/23/evidence-of-a-lunisolar-influence-on-decadal-and-bidecadal-oscillations-in-globally-averaged-temperature-trends/
 Image: http://www.efoodsdirect.com/ammo-food.html?aid=14&adid=5
 Image: http://www.dailytech.com/NASA+Study+Acknowledges+Solar+Cycle+Not+Man+Responsible+for+Past+Warming/article15310.htm#
 new research report: http://www.sciencedaily.com/releases/2008/05/080512120523.htm
 solar activity: http://www.dailytech.com/Sun+Makes+History+First+Spotless+Month+in+a+Century/article12823.htm
 http://erc.ivv.nasa.gov/topics/solarsystem/features/solar_variability.html: http://erc.ivv.nasa.gov/topics/solarsystem/features/solar_variability.html
 The calm before the solar storm? NASA warns ‘something unexpected is happening to the Sun’: http://www.prisonplanet.com/the-calm-before-the-solar-storm-nasa-warns-something-unexpected-is-happening-to-the-sun.html
 New Scientific Study Proves Solar Activity Impacts Climate: http://www.prisonplanet.com/new-scientific-study-proves-solar-activity-impacts-climate.html
 NASA Says Massive Solar Eruption to Hit Earth Today: http://www.prisonplanet.com/nasa-says-massive-solar-eruption-to-hit-earth-today.html
 Chemtrails? NASA GISS suggests aerosols play a large role in Arctic warming: http://www.prisonplanet.com/chemtrails-nasa-giss-suggests-aerosols-play-a-large-role-in-arctic-warming.html
 Study finds global warming over past 4 centuries was due to increased solar activity: http://www.prisonplanet.com/study-finds-global-warming-over-past-4-centuries-was-due-to-increased-solar-activity.html
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