Tag Archives: Radiative forcing

Even More about Trenberth’s Missing Heat – An Eye Opening Comment by Roger Pielke Sr.

Posted on May 9, 2013 by

Roger Pielke Sr. was quoted in David Appell’s recent article Whither global warming? Has global warming slowed down? over at the Yale Forum on Climate Change & The Media. That portion of the article reads: About 90 percent of this … Continue reading →

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Posted in Ocean Heat Content, Trenberth's missing heats | Tagged , , , , , , | 94 Comments

The effectiveness of CO2 as a greenhouse gas becomes ever more marginal with greater concentration

Posted on May 8, 2013 by

The political target of limiting the effect of Man-made global warming to only +2⁰C can never be attained. Guest essay by Ed Hoskins According to well understood physical parameters, the effectiveness of CO2 as a greenhouse gas diminishes logarithmically with … Continue reading →

Posted in Carbon dioxide, IPCC | Tagged , , , , , , , | 155 Comments

Dispelling myths about global warming

Posted on March 25, 2013 by

CO2 did not drive the rapid warming of the 20th century. Story submitted by Stan Robertson The difference between a good idea and a bad idea is often a quantitative matter. For example, many people would think it a good … Continue reading →

Posted in Carbon dioxide | Tagged , , , , | 139 Comments

Yet another study shows lower climate sensitivity

Posted on January 25, 2013 by

Global warming less extreme than feared? Policymakers are attempting to contain global warming at less than 2°C. New estimates from a Norwegian project on climate calculations indicate this target may be more attainable than many experts have feared. Internationally renowned … Continue reading →

Posted in Climate sensitivity | Tagged , , , , , , , | 187 Comments

IPCC Chapter 11 – Bankruptcy Protection

Posted on December 23, 2012 by

Guest post by David M. Hoffer IPCC reports AR1 through 4 were published in relative obscurity. ClimateGate and the emergence of the blogosphere as the primary forum for debate of the science and public policy intersection changed all that. AR4 … Continue reading →

Posted in IPCC, IPCC AR5 leak | Tagged , , , , , , , | 97 Comments

The Forcing Conundrum

Posted on December 12, 2012 by

Guest Post by Willis Eschenbach. For all of its faults, the IPCC (Intergovernmental Panel on Climate Change) lays out their idea of the climate paradigm pretty clearly. A fundamental part of this paradigm is that the long-term change in global … Continue reading →

Posted in Radiation | Tagged , , , , , , | 441 Comments

Inconvenient conclusions in a new climate and land use paper

Posted on December 8, 2012 by

Dr. Roger Pielke Sr. sends word of this new paper now in early release at the Journal of Climate. The paper suggests humans have strong impacts on the local climate, but not always through the pathways commonly touted as being … Continue reading →

Posted in Land use land cover change | Tagged , , , , , | 32 Comments

No wonder ‘climate’ wasn’t mentioned in the presidential debate

Posted on October 17, 2012 by

While my favorite tweet this morning called climate “the third rail” (i.e. don’t touch the electrified rail or it will kill your presidential bid, there’s even a Wiki entry on it) the reality seems to be simply that it is … Continue reading →

Posted in Global warming, Politics | Tagged , , , , | 62 Comments

Some thoughts on radiative transfer and GHG’s

Posted on July 21, 2012 by

Guest post by Reed Coray The following example illustrates the issues I have with reasoning often used to argue that increasing the amount of CO2 in the Earth’s atmosphere will increase both the Earth’s surface temperature and the Earth’s atmosphere … Continue reading →

Posted in Temperature | Tagged , , , , , , , | 469 Comments

Important New Paper on the Nocturnal Boundary Layer, Mixing, and Radiative Forcing as it applies to GHCN weather stations

Posted on July 12, 2012 by

From Dr. Roger Pielke Sr. comes word of an important new paper that shows how the air near the ground (boundary layer) is highly affected by sensitive nighttime dynamics, which show up in the Tmin of weather station data (GHCN … Continue reading →

Posted in Weather_stations, UHI, GHCN, Surfacestations paper | Tagged , , , , , , , , | 65 Comments

Preview of CMIP5/IPCC AR5 Global Surface Temperature Simulations and the HadCRUT4 Dataset

Posted on April 5, 2012 by

Guest post by Bob Tisdale INTRODUCTION As a preview of the upcoming Intergovernmental Panel on Climate Change (IPCC) 5th Assessment Report (AR5) due out in September 2013, in this post, we’ll take a brief look at the multi-model ensemble mean … Continue reading →

Posted in IPCC, Modeling | Tagged , , , , , , , | 62 Comments

Ramanathan and Almost-Black Carbon

Posted on March 27, 2012 by

Guest Post by Willis Eschenbach My thanks to Nick Stokes and Joel Shore. In the comments to my post on the effects of atmospheric black carbon, Extremely Black Carbon, they brought up and we discussed the results of Ramanathan et … Continue reading →

Posted in Aerosols, Carbon soot | Tagged , , | 127 Comments

Omitted variable fraud: vast evidence for solar climate driver rates one oblique sentence in AR5

Posted on February 22, 2012 by

Guest post by Alec Rawls “Expert review” of the First Order Draft of AR5 closed on the 10th. Here is the first paragraph of my submitted critique: My training is in economics where we are very familiar with what statisticians … Continue reading →

Posted in IPCC, Solar | Tagged , , , , , , , | 514 Comments

Sense and Sensitivity II – the sequel

Posted on January 15, 2012 by

By Christopher Monckton of Brenchley Joel Shore, who has been questioning my climate-sensitivity calculations, just as a good skeptic should, has kindly provided at my request a reference to a paper by Dr. Andrew Lacis and others at the Goddard … Continue reading →

Posted in Climate sensitivity, Modeling | Tagged , , , , , , , | 206 Comments

Feedback about feedbacks and suchlike fooleries

Posted on December 30, 2011 by

By Christopher Monckton of Brenchley Responses to my post of December 28 about climate sensitivity have been particularly interesting. This further posting answers some of the feedback. My earlier posting explained how the textbooks establish that if albedo and insolation … Continue reading →

Posted in Climate sensitivity | Tagged , , , , , , , | 244 Comments

Tisdale schools the website “Skeptical Science” on CO2 obsession

Posted on December 7, 2011 by

On the SkepticalScience Post “Pielke Sr. Misinforms High School Students” By Bob Tisdale OVERVIEW I rarely visit the website SkepticalScience, which is run by proponents of anthropogenic global warming, because most of their posts are the simple parroting of the findings … Continue reading →

Posted in Carbon dioxide, IPCC | Tagged , , , , , , , | 91 Comments

Spencer finds “the Big Picture” on cloud feedback

Posted on October 9, 2011 by

I’ve Looked at Clouds from Both Sides Now -and Before by Roy W. Spencer, Ph. D. …sometimes, the most powerful evidence is right in front of your face….. I never dreamed that anyone would dispute the claim that cloud changes … Continue reading →

Posted in Spencer-Braswell and Dessler | Tagged , , | 148 Comments

1 K or not 1 K? That is the question

Posted on September 29, 2011 by

By Christopher Monckton of Brenchley I am very grateful for the many thoughtful postings in response to my outline of the fundamental theoretical upper bound of little more than 1.2 K on climate sensitivity imposed by the process-engineering theory of … Continue reading →

Posted in Climate sensitivity | Tagged , , , | 191 Comments

Monckton’s letter to the journal Remote Sensing

Posted on September 24, 2011 by

Christopher Monckton writes in email: I sent the attached commentary to the journal a week back and have not had so much as an acknowledgement. So do feel free to use it. It is reproduced below. Readers may recall of … Continue reading →

Posted in Peer review, Spencer-Braswell and Dessler | Tagged , , , , | 117 Comments

New peer reviewed paper: clouds have large negative cooling effect on Earth’s radiation budget

Posted on September 20, 2011 by

Oh dear, now we have three peer reviewed papers (Lindzen and Choi, Spencer and Braswell, and now Richard P. Allan) based on observations that show a net negative feedback for clouds, and a strong one at that. What will Trenberth … Continue reading →

Posted in clouds, Spencer-Braswell and Dessler | Tagged , , , , , , , , | 315 Comments