Category Archives: Solar

NASA on the sun: ‘…tiny variations can have a significant effect on terrestrial climate.”

Posted on January 9, 2013 by

Researchers have considered the possibility that the sun plays a role in global warming. From NASA GSFC:  Solar Variability and Terrestrial Climate In the galactic scheme of things, the Sun is a remarkably constant star.  While some stars exhibit dramatic … Continue reading →

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Posted in Solar, Spaceweather | Tagged , , , , , , , | 320 Comments

December solar activity in a big slump

Posted on January 9, 2013 by

The December data from NOAA’s Space Weather Prediction Center is in, and it looks more and more like the peak of solar cycle 24 has been reached, and that we are now past it. Even with documented problems like “sunspot … Continue reading →

Posted in Solar | Tagged , , , | 202 Comments

We Had To Pave The Environment In Order To Save It

Posted on January 5, 2013 by

Guest Post by Willis Eschenbach Trading food for fuel, in a world where high food prices already affect the poor, has always seemed like a bad idea to me. If I have a choice between growing corn to fuel SUVs … Continue reading →

Posted in Agriculture, Solar | Tagged , , , , , | 291 Comments

Counting Sunspots and Sunspot Inflation

Posted on January 4, 2013 by

Guest post by Dr. Leif Svalgaard The official sunspot number is issued by SIDC in Brussels http://sidc.be/sunspot-data/ . The [relative] sunspot number was introduced by Rudolf Wolf http://en.wikipedia.org/wiki/Rudolf_Wolf  in the middle of the 19th century. He called it the ‘relative’ … Continue reading →

Posted in Solar | Tagged , , , , | 205 Comments

Neutrons and the 1970s cooling period

Posted on January 4, 2013 by

Note: the original title Solar Neutrons and the 1970s cooling period was unintentionally misleading as Dr. Svalgaard points out in comments: What produces Solar Neutrons? the title of the post is misleading. The cosmic rays are protons, not neutrons, and … Continue reading →

Posted in Agriculture, Solar | Tagged , , , , , , | 139 Comments

New paper demonstrates that climate responds to short and long-term changes in solar activity

Posted on January 2, 2013 by

(Via the Hockey Schtick) A new peer reviewed paper published in The Holocene finds a significant link between solar activity and climate over the past 1000 years. According to the authors: “Our results suggest that the climate responds to both … Continue reading →

Posted in Solar | Tagged , , , | 143 Comments

Haigh Anxiety: a psycho-comedy of errors

Posted on December 21, 2012 by

Guest post by Alec Rawls In an interview with NewScientist magazine, Imperial College professor of atmospheric physics Joanna Haigh scoffs at the idea that late 20th century warming could have been caused by the sun: Haigh points out that the … Continue reading →

Posted in Cosmic rays, IPCC AR5 leak, Science, Solar | Tagged , , , , , | 446 Comments

Our current solar cycle 24 – still in a slump – solar max reached?

Posted on December 10, 2012 by

Have we hit solar max? NOAA’s SWPC recently updated their solar metrics graphs, and it seems to me like we may have topped out for solar cycle 24. There doesn’t seem to be any evidence of resurgence in any of … Continue reading →

Posted in Science, Solar | Tagged , , , | 189 Comments

Solar Activity – Past, Present, Future

Posted on November 11, 2012 by

Essay/paper by Dr. Leif Svalgaard Abstract As our civilization depends increasingly on space-borne assets and on a delicate and vulnerable earth-bound infrastructure, solar activity and its potential impact becomes of increasing importance and relevance. In his famous paper on the … Continue reading →

Posted in Science, Solar | Tagged , , , , , , , | 207 Comments

Is there a planetary influence on solar activity? It seems so according to this new paper

Posted on November 10, 2012 by

Guest post by David Archibald   Long suspected, it seems that this has now been confirmed by a paper in Astronomy and Astrophysics with the title “Is there a planetary influence on solar activity?” by Abreu et al that was … Continue reading →

Posted in Science, Solar | Tagged , , , | 291 Comments

Solar cycle 24 continues weakly, perhaps weakest of the space-age

Posted on November 6, 2012 by

NOAA SWPC has updated their plot page of solar metrics, and the slump continues. At spaceweather.com Dr. Tony Phillips writes: SO THIS IS SOLAR MAXIMUM? Forecasters have long expected the Solar Max of 2013 to be the weakest of the … Continue reading →

Posted in Solar | Tagged , , , , , | 288 Comments

Muscheler retracts? Offers a NEW excuse for why solar activity can’t be responsible for post-70′s warming

Posted on October 19, 2012 by

Guest post by Alec Rawls Technically Dr. Muscheler is asking me to retract the title of my post, “Raimund Muscheler says that a steady high level of forcing can’t cause warming“: I am sure that you are aware of the fact … Continue reading →

Posted in PDO, Solar | Tagged , , , , , | 170 Comments

A simple resolution to the ‘faint young sun’ paradox?

Posted on October 16, 2012 by

A faster rotating early-Earth may have compensated for reduced Sun output Guest post submitted by Ian Schumacher The ‘faint young sun’ paradox states that according to star models, billions of years ago the Sun would have only been about 70% … Continue reading →

Posted in Earth, Solar | Tagged , , , | 134 Comments

Claim: Five climate-forcing mechanisms govern 20,000 years of climate change

Posted on October 12, 2012 by

FOREWORD: I don’t agree with many of the claims made in this paper, particularly the retrograde tri-synodic Jupiter/Saturn cycle claims. This is not a peer reviewed paper. That said, I’m willing to allow discussion of it, so be skeptical of these … Continue reading →

Posted in Cosmic rays, Modeling, Paleoclimatology, Solar | Tagged , , , , | 347 Comments

Dr. Leif Svalgaard on the New Scientist solar max story

Posted on September 28, 2012 by

An article in the New Scientist says: But Dr. Leif Svalgaard, one of the worlds leading solar physicists and WUWT’s resident solar expert has this to say:

Posted in Science, Solar | Tagged , , | 546 Comments

New study finds that a Carrington class solar event could cause global cooling of more than 3C

Posted on September 26, 2012 by

A paper recently published in Atmospheric Chemistry and Physics finds that “a solar proton event, if it took place in the near future with an intensity similar to that ascribed to the Carrington Event of 1859″. Based on the results … Continue reading →

Posted in Solar, solar flare, Spaceweather | Tagged , , , , , , | 132 Comments

Looking into solar coronal prominence cavities

Posted on September 21, 2012 by

by Karen C. Fox NASA Goddard Space Flight Center, Greenbelt, MD › View larger Scientists want to understand what causes giant explosions in the sun’s atmosphere, the corona, such as this one. The eruptions are called coronal mass ejections or … Continue reading →

Posted in Astronomy, Solar | Tagged , , , | 26 Comments

F10.7 Flux, Sea Level and the Holocene

Posted on September 15, 2012 by

Guest post by David Archibald George Orwell said,” He who controls the present, controls the past. He who controls the past, controls the future.” Some amongst us have used that as an instruction manual and have attempted to create confusion … Continue reading →

Posted in Sea level, Solar | Tagged , , | 163 Comments

Paper demonstrates solar activity was at a grand maximum in the late 20th century

Posted on September 13, 2012 by

Solar activity measured by isotope proxies revealed the end of 20th century was the highest activity in 1200 years A 2010 paper (that I somehow missed) was recently highlighted by the blog The Hockey Schtick and I thought it worth … Continue reading →

Posted in Solar | Tagged , , , , , | 99 Comments

SOON AND BRIGGS: Global-warming fanatics take note – Sunspots do impact climate

Posted on September 6, 2012 by

From the The Washington Times – By Willie Soon and William M. Briggs Scientists have been studying solar influences on the climate for more than 5,000 years.

Posted in Alarmism, Solar, Uncategorized | Tagged , , , , , , , , | 378 Comments