Sentences with phrase «ocean sediments indicating»

I recall also seeing work on ocean sediments indicating that during the dusty - dry climates when lots of windblown dust is in the air, plankton did not bloom in the oceans in proportion to the added minerals.

With such elevated sea surface temperatures it is perhaps unsurprising that fossil evidence in ocean sediments indicates a mass extinction event during the PETM: the seas would have become thermally stratified, cutting off the oxygen supply to deep waters and killing everything reliant upon it.

Not exact matches

Sediment cores the team collected by drilling in front of the current Cosgrove Ice Shelf indicate that relatively warm ocean waters dissolved the vast ice shelf and even some of the glacier behind it about 2000 years ago, they recently reported.

Fluctuations in air and water temperature are evident in the fossil record, and the uranium / thorium ratios of late Permian sediments indicate that the oceans were severely anoxic around the time of the extinction.