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Source article

Dot Earth

Published By

Dr. Dick van der Wateren


Climate Change, Ice Sheets, Clouds, Peer review, Antarctica, Warming, Clouds and climate

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Dot Earth writes: On Warming, Antarctica, Clouds and Peer Review

01.01.2011, Age: 3951 days

The New York Times blog Dot Earth by Andrew C. Revkin discusses two recent papers, one on amplification of greenhouse warming by clouds and one criticising ideas about Recent Antarctic warming.

"In recent weeks there were several notable developments on persistent and consequential climate questions - the extent of warming in Antarctica and the behavior of clouds in a warming world. ..."

"The findings themselves are interesting. First, a paper accepted for publication at the beginning of the month in the Journal of Climate corrects some of the statistical analysis underlying recent conclusions about Antarctic warming trends.

On Dec. 9, the journal Science published a paper providing a new argument that clouds are more likely to amplify greenhouse warming than counteract it.

Neither advance was front-page news. What's really worth noting is that both developments are the result of that remarkable process called the scientific method, together with the relatively modern innovation called peer review.

Also, both involve something rarely seen these days: (mainly) civilized, constructive exchanges between researchers and statistics analysts whose public personae have been shaped as much through blogging and public appearances as basic science.

This is why I retain strong faith in climate science as a process (keeping in mind that significant detours can persist in any area of science for quite awhile sometimes)."

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The two papers discussed are:

A. E. Dessler. A Determination of the Cloud Feedback from Climate Variations over the Past Decade. Science 10 December 2010: Vol. 330 no. 6010 pp. 1523-1527. DOI: 10.1126/science.1192546 >Article

Ryan O'Donnell, Nicholas Lewis, Steve McIntyre, Jeff Condon. Improved methods for PCA-based reconstructions: case study using the Steig et al. (2009) Antarctic temperature reconstruction. Accepted 11/30/10, Journal of Climate. >Preview

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