Sentences with phrase «deep water formation zone»

Enormous amounts of freshwater were released into the North Atlantic following deglaciation, and an influx of freshwater into the North Atlantic Deep Water formation zone can potentially trigger abrupt climate changes.

Not exact matches

This research not only provides the first clear evidence that microorganisms were directly involved in the deposition of Earth's oldest iron formations; it also indicates that large populations of oxygen - producing cyanobacteria were at work in the shallow areas of the ancient oceans, while deeper water still reached by the light (the photic zone) tended to be populated by anoxyenic or micro-aerophilic iron - oxidizing bacteria which formed the iron deposits.

It seems significant that it is happening simultaneously in both the southern and northern hemispheres, suggesting freshening in deep / bottom water formation zones, which would be slow enough to dampen seasonal effects.