What impact do sunspots have on global temperatures? Aren't they the explanation for global warming?

Answer 1

What is amusing and somewhat shocking is that so many people, even people who post on this format that claim to be trained in Meteorology seem to understand so little about the effect of Sunspots have on the earth's climate. Changes in the SUN'S MAGNETIC FIELD determine how MANY cosmic Rays strike the Earth's upper atmosphere. This controls cloud formation, and consequently impacts on the Earth's climate. For a more detailed reading of the Cosmic Ray issue please review the link I provide. None of the current climate models today consider the effect of cosmic particles, but even clouds ~(BTW the water vapor in clouds is many times more potent a greenhouse gas than is CO2)~ are too poorly understood to be incorporated into any serious climate model. Since the invention of the telescope humans have been keeping track of sunspot activity. Little did they know back then, that they were gathering important data on the strength of the Sun's magnetic field. Those observations spanning hundreds of years show a more compelling relationship with Earth's climatic heating & cooling then does CO2 levels.

it seems that some people are having a hard time understanding the Cosmic Ray issue How many COSMIC RAYS strike the Earth's atmosphere and create clouds. Is a function of the Sun's MAGNETIC FIELD the stronger the MAGNETIC FIELD the fewer Cosmic rays strike the Earth. The level of Sunspot activity is a direct indicator of the intensity of the Sun's Magentic Field

Answer 2

Sunspots do not, on average, affect the energy output of the Sun. A sunspot is a dark spot that emits less light, but this is compensated by a slight increase in brightness from the rest of the Sun.

There are many factors that affect the average global temperature of the Earth, and the luminosity of the Sun is just one of many factors.

The assumption is that the many natural factors average out, and tend to keep the Earth's temperature approximately constant.

The issue with "global warming" is that the human introduction of a trillion tons of carbon dioxide into the atmosphere will, as an isolated factor, substantially and dangerously increase the temperature of the Earth. Possibly the natural factors will act to balance this out, but the best evidence is that this natural correction will not be enough if humans burn all the available fossil fuel. The obvious conclusion is that some political means must be found to prevent humans from burning all available fossil fuel. This is unpopular, but unfortunately is necessary.

Answer 3

particular CO2 traps warmth. And once you confer with the CO2 emissions in terms of "billions of tons" it appears like plenty. once you confer with the totality of CO2 emissions for the reason that 1800 in share to the whole ecosystem, you get a million/10,000th of the ambience. CO2, all different issues being equivalent, has a warming effect. yet all different issues are not equivalent and it takes plenty extra CO2 to have a serious effect. Any effect that CO2 has at those ranges is drowned out via the variety in myriad organic factors. and that's what we are seeing - that's why the advise temperature has been flat for a decade, and thanks to this there are areas the place it has already cooled returned off: 2008 become on the brink of the 20 th century advise for the U. S.; 2009 has so far been outdoors the "suitable 30 years" of the final a hundred and twenty; this previous October become the 0.33 coolest October on checklist in the U. S.. particular, this is "worldwide" warming yet they predicted warming no longer purely for the globe yet for the U. S. to boot - certainly cooling in the U. S. ought to enhance eyebrows. on the top of the day, you're no longer likely to cajole human beings to have confidence the government whilst their very own eyes tell them something diverse.

Answer 4

Sunspots sometimes called solar flares are a common phenomenon on the sun. They usually occur in eleven year cycles. When they do, the temperature of the Earth is not affected as much as communication is. They can cause interference with broadcasting, radio and television, cell phone outages, land line disruption and more. That is because on Earth we depend on the satellites in orbit that relay the signals. These satellites become targets from the radioactivity that bombards them causing the disruptions. Once again, the air temperature is hardly changed.

Answer 5

Maybe negative or some impacts on wild fires, but I did not see a 11-year cycle of sun spot matching with 26 random chaotic cycles of major temperature change on earth in the past 120,000 years or any concrete proof yet. Each cycle of temperature change lasts about 50 years and increase 10 C degree, and increase CO2.

Answer 6

Theories are fine, but that hard data says otherwise.

Solar radiation is measured by many scientists around the world. The change in solar radiation is a small part of global warming, less than 10%. 90+% comes from us.

http://www.ipcc.ch/SPM2feb07.pdf

Page 4.

The problem with Svensmark's theory about cosmic rays is that cosmic rays haven't changed much in the last 20-50 years, and so can't explain the present observed warming.

http://www.realclimate.org/index.php/archives/2007/03/cosmoclimatology-tired-old-arguments-in-new-clothes/#more-412

Man made CO2 can explain it.

http://scrippsco2.ucsd.edu/graphics_gallery/mauna_loa_record/mlo_record.html

Answer 7

Sunspots are magnetic storms on the sun. Solar activity does increase slightly with increased sunspot counts but the jury is out if that affects the earth's temperature. Read here --

http://www.crh.noaa.gov/fsd/astro/sunspots.php

Answer 8

Have you ever been to Dallas Texas? Seen the loop?
Been through town? that many cars and the big refinerys on the coast of Texas belching out smoke day and night and that is not doing anything to the enviroment? You would have to be insane to blame that on sunspots. Ever been to Los Angels? Those cars on the road are not hurting the enviroment? You need serious therapy.

Answer 9

there is no scientific evidence to prove that sunspots affect the planet, much like there is no evidence that there is such a thing as global warming.

Answer 10

sun spot activity has been found to be directly relevant to mayor human events
such as Wars, religious peaks and peaks of Rainasainces .mayor political happenings.

so much so that the illuminaty plans their strategy according to sun spot activity
so the effect on humanity by sun spots is probably more significant then the environmental effects.