Tag Archives: Climate model

Microbes and their impact within Climate Models

Posted on February 14, 2012 by

From the American Society for Microbiology, a comprehensive report that suggests the need to integrate microbial processes into climate modeling. As they say: “The sum total of microbial activity is enormous, but the net effect of microbes on climate-relevant gases … Continue reading →

Posted in earth, modeling | Tagged , , , , , , , | 68 Comments

Friday Funny – modeling double feature

Posted on January 27, 2012 by

Josh of cartoonsbyjosh.com writes: There is a wonderful George Monbiot article here… http://www.guardian.co.uk/environment/georgemonbiot/2012/jan/26/weather-forecasters-daily-mail …on how the Daily Mail hired ‘Positive Weather Solutions’, a bunch of models,  to do their weather forecasting for them… very funny. But it is the kind … Continue reading →

Posted in Humor, satire | Tagged , , , , , , , | 18 Comments

October to December 2011 NODC Ocean Heat Content Anomalies (0-700Meters) Update and Comments

Posted on January 26, 2012 by

Guest post by Bob Tisdale SAME INTRODUCTION AS ALWAYS The National Oceanographic Data Center’s (NODC) Ocean Heat Content (OHC) anomaly data for the depths of 0-700 meters are available through the KNMI Climate Explorer Monthly observations webpage. The NODC OHC … Continue reading →

Posted in ENSO, oceans, Sea Surface Temperature | Tagged , , , , , , , | 86 Comments

Scafetta on his latest paper: Harmonic climate model versus the IPCC general circulation climate models

Posted on January 9, 2012 by

Guest Post by Dr. Nicola Scafetta Herein, I would like to briefly present my latest publication that continues my research about the meaning of natural climatic cycles and their implication for climate changes: Nicola Scafetta, “Testing an astronomically based decadal-scale … Continue reading →

Posted in climate data, IPCC, modeling | Tagged , , , , , , , | 119 Comments

On The IPCC’s Undue Confidence In Coupled Ocean-Atmosphere Climate Models – A Summary Of Recent Posts

Posted on December 27, 2011 by

I’ve placed Bob’s Figure 21 at the top of this post, because it shows something quite interesting, note to caption in red, upper left. – Anthony Guest post by Bob Tisdale Figure 21 OVERVIEW This post is a summary of … Continue reading →

Posted in IPCC, Sea Surface Temperature | Tagged , , , , , , , | 100 Comments

Tisdale on Climate Models Confirming Or Contradicting AGW

Posted on December 12, 2011 by

Part 2 – Do Observations and Climate Models Confirm Or Contradict The Hypothesis of Anthropogenic Global Warming? Guest Post by Bob Tisdale OVERVIEW This is the second part of a two-part series. There are, however, two versions of part 1. The … Continue reading →

Posted in Uncategorized | Tagged , , , , , , , | 74 Comments

UCAR on Blocking Highs, heat waves, and modeling limits

Posted on December 8, 2011 by

Dr. Roger Pielke Sr. writes: Candid Admission By UCAR – “Blocking The Way – Predicting The Atmospheric Detours That Lead To Weather Troubles” There was an interesting article in the Fall issue of the UCAR Magazine titled by Bob Henson titled Blocking The … Continue reading →

Posted in heat wave, modeling | Tagged , , , , , , , | 50 Comments

Pheesiks? We don’t need no steenkin’ pheesiks!

Posted on November 26, 2011 by

With apologies to The Treasure of the Sierra Madre, here’s a a comment worth repeating from the Hit and Misses thread. Dennis Ray Wingo says: November 26, 2011 at 10:44 am What I find interesting about the entire email corpus … Continue reading →

Posted in Climategate, Humor, satire, Uncategorized | Tagged , , , , , , , | 220 Comments

Santer’s “17 years needed for a sign of climate change” compared against the IPCC models

Posted on November 19, 2011 by

I recently covered a press release from Dr. Ben Santer where it was claimed that: In order to separate human-caused global warming from the “noise” of purely natural climate fluctuations, temperature records must be at least 17 years long, according … Continue reading →

Posted in IPCC, modeling | Tagged , , , , , , , | 101 Comments

Tisdale on model initialization in wake of the leaked IPCC draft

Posted on November 15, 2011 by

Should Climate Models Be Initialized To Replicate The Multidecadal Variability Of The Instrument Temperature Record During The 20th Century? Guest post by Bob Tisdale The coupled climate models used to hindcast past and project future climate in the IPCC’s 2007 report … Continue reading →

Posted in IPCC, modeling | Tagged , , , , , , | 120 Comments

The Texas ENSO Bassmaster Classic

Posted on November 12, 2011 by

A bit of a tiff developed over at Dr. Roger Pielke’s place over disagreements on the recent Texas heatwave being attributed to AGW or to ENSO. Bob Tisdale has something to say about that. Bob writes: “In one email, Roger referred … Continue reading →

Posted in ENSO | Tagged , , , , , , , | 102 Comments

An Initial Look At The Hindcasts Of The NCAR CCSM4 Coupled Climate Model

Posted on November 5, 2011 by

Guest post by Bob Tisdale OVERVIEW This post compares the instrument observations of three global temperature anomaly datasets (NINO3, Global, and North Atlantic “Plus”) to the hindcasts of the NCAR couple climate model CCSM4, which was used in a couple … Continue reading →

Posted in modeling | Tagged , , , , , , , | 104 Comments

IPCC, models, HadCRUT, and cherrymandering

Posted on September 22, 2011 by

The Rest of the Cherries: 140 decades of Climate Models vs. Observations by Roy W. Spencer, Ph. D. Since one of the criticisms of our recent Remote Sensing paper was that we cherry-picked the climate models we chose to compare … Continue reading →

Posted in climate data, modeling | Tagged , , , , , | 129 Comments

Global Ocean Heat Content Is Still Flat

Posted on September 8, 2011 by

While there’s news of ocean heat content in the Atlantic being pumped up by “leakage” from the Indian Ocean, and NOAA proclaims that La Niña is back, Bob Tisdale finds that the global ocean heat content trend since the turn … Continue reading →

Posted in modeling, oceans | Tagged , , | 89 Comments

Rationalizing Trenberth’s missing heat

Posted on July 29, 2011 by

By Dr. Roger Pielke Sr. Additional Information On The “Ocean’s Missing Heat” By Katsman and van Oldenborgh 2011 I discussed the papers C. A. Katsman and G. J. van Oldenborgh, 2011: Tracing the upper ocean’s ‘missing heat’. Geophysical Research Letters (in … Continue reading →

Posted in oceans | Tagged , , | 60 Comments

Pielke Sr. on new Spencer and Braswell paper

Posted on July 26, 2011 by

Reposted from Dr. Roger Pielke Sr’s blog New Paper “On the Misdiagnosis Of Surface Temperature Feedbacks From Variations In Earth’s Radiant Energy Balance” By Spencer and Braswell 2011 There is a new paper published which raises further questions on the robustness … Continue reading →

Posted in climate reconciliation, feedbacks, modeling | Tagged , , , | 203 Comments

Earth’s Climate System Is Ridiculously Complex – With Draft Link Tutorial

Posted on June 30, 2011 by

By WUWT regular “Just The Facts” I am often amused by claims that we understand Earth’s climate system, are able to accurately measure its behavior, eliminate all potential variables except CO2 as the primary driver of Earth’s temperature and make … Continue reading →

Posted in AMO, Antarctic, Arctic, cosmic rays, earth, education, ENSO, modeling, oceans, Radiation, rainfall, sea ice | Tagged , , , , | 332 Comments

But it Worked in the Simulation!

Posted on June 6, 2011 by

Perils of computer simulation of complex systems Story submitted by Ricky Seltzer John F. McGowan, Ph.D., writing on math-blog, describes the various ways in which breakthrough science can be misunderstood and miscalculated even by top-flight computer simulation.  (One example of … Continue reading →

Posted in modeling | Tagged , | 21 Comments

Climate Modeling: “not always clear”

Posted on June 6, 2011 by

The previous story suggested that climate models predict with certainty “permanently hotter summers”. OK then, but in the same Eurekalert stream today, we have this release, where it seems they need to “prop up” the modeling, saying they “are not … Continue reading →

Posted in modeling | Tagged , | 27 Comments

Another bold forecast – destined for “climate FAIL”

Posted on June 6, 2011 by

Here’s the headline from the press release today, which will undoubtedly be regurgitated worldwide: Stanford climate scientists forecast permanently hotter summers Oh gee, where have wee seen this before? It’s another example of model madness, and it fits in with … Continue reading →

Posted in Alarmism, modeling | Tagged , , , | 92 Comments

Clouds, radiative forcing, and climate models – still tweaking

Posted on April 23, 2011 by

As most readers know, clouds are still poorly understood and under-represented in climate models. This new research may help. From: DOE/Pacific Northwest National Laboratory Effect of cloud-scattered sunlight on earth’s energy balance depends on wavelength of light Accounting for wavelength … Continue reading →

Posted in clouds, modeling | Tagged , , , | 70 Comments

Ocean cold/warm water fronts mix CO2 much more than previously thought

Posted on April 15, 2011 by

From the University of Washington via Eurekalert Data catches up with theory: Ocean front is energetic contributor to mixing Wind blowing on the ocean is a crucial factor mixing the greenhouse gas carbon dioxide into the ocean depths and keeping … Continue reading →

Posted in Carbon dioxide, oceans | Tagged , , , | 40 Comments

Climate models go cold

Posted on April 10, 2011 by

Carbon warming too minor to be worth worrying about By David Evans (excerpts from a special to the Financial Post) The debate about global warming has reached ridiculous proportions and is full of micro-thin half-truths and misunderstandings. I am a … Continue reading →

Posted in modeling | Tagged , , | 118 Comments

Show us your tests: Australian drought models

Posted on March 24, 2011 by

Guest post by Dr. David Stockwell In Australia, the carbon-tax juggernaut rolls on, justified in part by fear of droughts, increasing in frequency and severity as CO2 increases. I have always found that checking one’s assumptions was good advice, and … Continue reading →

Posted in drought, modeling | Tagged , , , , , , | 54 Comments

Model Charged with Excessive Use of Forcing

Posted on December 19, 2010 by

Guest Post by Willis Eschenbach The GISS Model E is the workhorse of NASA’s climate models. I got interested in the GISSE hindcasts of the 20th century due to an interesting posting by Lucia over at the Blackboard. She built … Continue reading →

Posted in modeling | Tagged , , , , , , | 155 Comments