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Blog Profile / RealClimate


URL :http://www.realclimate.org/
Filed Under:Issues & Causes / Climate Change
Posts on Regator:477
Posts / Week:1.5
Archived Since:November 10, 2008

Blog Post Archive

On mismatches between models and observations

It is a truism that all models are wrong. Just as no map can capture the real landscape and no portrait the true self, numerical models by necessity have to contain approximations to the complexity of the real world and so can never be perfect replications of reality. Similarly, any specific observations are only partial [...]

Unforced variations: Sept. 2013

This month’s open thread… Expect pre-IPCC report discussion (SPM due on Sep 27, full report (pre-copy-editing) Sep 30th), analysis of this years Arctic ice cover minimum, and a host of the usual distractions.

The inevitability of sea level rise

Guest post by Anders Levermann [via The Conversation] Small numbers can imply big things. Global sea level rose by a little less than 0.2 metres during the 20th century – mainly in response to the 0.8 °C of warming humans have caused through greenhouse gas emissions. That might not look like something to worry about. [...]

Unforced variations: August 2013

This month’s open thread. Since there are two main topics (Advocacy and Methane bombs) buzzing around the blogo-twitter-sphere this week, perhaps those are our starters for ten… (Feel free to populate the comments with links to various commentaries – we will chime in as we find time).

Arctic misrepresentations

At the weekend, Christopher Booker at the Daily Telegraph made another attempt (see previous) to downplay the obvious decreases in Arctic sea ice by (mis-)quoting a statement from Arctic oceanographer Ken Drinkwater and colleagues: Panic over Arctic ice – what else can the warmists get wrong? As evidence to support their belief system continues to [...]

AGU Chapman Conference on Climate Science Communication

A couple of weeks ago, there was a small conference on Climate Science communication run by the AGU. Both Mike and I attended, but it was very notable that it wasn’t just scientists attending – there were also entertainers, psychologists, film-makers and historians. There were a lot of quite diverse perspectives and many discussions about [...]

Unforced Variations: July 2013

This month’s open thread… We have just updated the blog software, and are taking a little time to assess how up-to-date some the content is (including the theme, mobile theme, blogroll, about pages and the RC wiki etc.). So this might be a good time to chime in with your suggestions as well as discussing [...]

A new experiment with science publication

A while ago, I received a request to publish a paper on a post that I had written here on RealClimate, exposing the flaws in the analysis of. Instead of writing a comment to one paper, however, I thought it might be useful to collect a sample of papers that I found unconvincing (usual [...]

Yamal and Polar Urals: a research update

Guest commentary from Tim Osborn, Tom Melvin and Keith Briffa, Climatic Research Unit, UEA Records of tree-ring characteristics such as their width (TRW) and density (usually the maximum density of the wood formed towards the end of the growing season – the “maximum latewood density” – MXD) are widely used to infer past variations in [...]

Introducing PubPeer.com

Guest post from PubPeer.com The process of reviewing published science is constantly occurring and is now commonly being called post-publication peer review. It occurs in many places including on blogs such as this one, review articles, at conferences around the world, and has even been encouraged on the websites of some journals. However, the process [...]

The answer is blowing in the wind: The warming went into the deep end

There has been an unusual surge of interest in the climate sensitivity based on the last decade’s worth of temperature measurements, and a lengthy story in the Economist tries to argue that the climate sensitivity may be lower than previously estimated. I think its conclusion is somewhat misguided because it missed some important pieces of [...]

The PAGES-2k synthesis

Guest commentary by Darrell Kaufman (N. Arizona U.) In a major step forward in proxy data synthesis, the PAst Global Changes (PAGES) 2k Consortium has just a suite of continental scale reconstructions of temperature for the past two millennia in Nature Geoscience. More information about the study and its implications are available at the FAQ [...]

Ice hockey

Eric Steig It is well known that ice shelves on the Antarctic Peninsula have collapsed on several occasions in the last couple of decades, that ice shelves in West Antarctica are thinning rapidly, and that the large outlet glaciers that drain the West Antarctic ice sheet (WAIS) are accelerating. The rapid drainage of the WAIS [...]

Verification of regional model trends

Guest post by Geert Jan van Oldenborgh, Francisco Doblas-Reyes, Sybren Drijfhout and Ed Hawkins Climate information for the future is usually presented in the form of scenarios: plausible and consistent descriptions of future climate without probability information. This suffices for many purposes, but for the near term, say up to 2050, scenarios of emissions of [...]

Thin Ice — the movie

Some of my friends have made a film, Thin Ice, which tells the story of CO2 and climate from the standpoint of the climate scientists who are out there in the trenches trying to figure out what is going on. I have a small role in the film myself, and I am sure RealClimate readers [...]

Should regional climate models take the blame?

recently provided a critical review of regional climate models (“RCMs”). I think his views has caused a stir in the regional climate model community. So what’s the fuzz all about? RCMs provide important input to many climate services, for which there is a great deal of vested interest on all levels. On the international stage, [...]

Movie review: SWITCH

This year, the Geological Society of America is rolling out their SWITCH Energy Awareness campaign. The centerpiece of the campaign is a documentary film, SWITCH, which purports to be about the need for a transformation in the world’s energy systems. Recently, I attended the Chicago premier of the film, presented as part of the [...]

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