karmakop, good link, It looks like the cold low salinity water coming out of the arctic not only sinks but like the titanic when it sinks, takes down everything around it as well. There was another link there showing similar patterns in the North Atlantic. Both seemed to cause bulges of higher level warmer higher salinity water to the south. Circulation changes that affect not just the fish but the weather patterns all around too.
Cooler water looks like it would be reaching la nina from both the south along the west coast of S America and from the north, although weaker, still a reinforcement.
Cbacba, My impressions would be a little different. oil and gas burning aren't really a viable sustainable alternative any more than other options. The subsidization of fossil fuel burning is having consequences that we are finding out about the hard way as well. Taking the least expensive overall route is going to be our best bet. Of course we don't know all the ramifications of anything we do but we still have to do the analysis.
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