Sentences with phrase «called hyperthermals»

They are called hyperthermals - periods of intense and sudden rises in temperature, lasting tens of thousands of years.

The discovery of other, smaller magnitude, rapid greenhouse warming events (called hyperthermals) in the millions of years following the PETM provides further opportunities to examine the response of organisms to global climate change.

Not exact matches

These so - called «modest hyperthermals» (meaning a rapid, pronounced period of global warming) had shorter durations and recoveries (about a 40,000 year cycle) and involved an exchange of carbon between surface reservoirs into the atmosphere and then into sediment.