Demystifying feedback.

Guest post by Nick Stokes, People outside climate science seem drawn to feedback analogies for climate behaviour. Climate scientists sometimes make use of them too, although they are not part of GCMs. But it gets tangled. In fact, all that the feedback talk is usually doing is describing the behaviour of variables that satisfy a…

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Negative feedback? Declining sea ice to lead to cloudier Arctic

From the AGU weekly highlights Composite image. Data from MODIS. Credit: National Snow and Ice Data Center. See High Resolution Image Key Points: EFA method is valuable in providing quantitative assessment of feedback Decrease in sea ice leads to increase in cloud Further decline in sea ice will likely result in cloudier Arctic Arctic sea…