Granted that ice melt in the Arctic is more dependent on local conditions such as the wind, currents, storms and local temperatures, but it also is an approximate proxy for global temperature. (dotearth.blogs.nytimes.com)
Don't forget the assertion by some climatologists that sites that were poor proxies for local temperatures could still be good proxies for global temperature reconstructions, thanks to their so - called «teleconnections.» (climateaudit.org)
This last remark does not depend on the Indian Ocean SSTs being a good proxy for global temperature. (realclimate.org)