Sentences with phrase «glacial maximum around»

As elsewhere on the planet, tropical glaciers (located on either side of the equator between 23 ° N and 23 ° S) have been retreating since the Last Glacial Maximum around 20,000 years ago.

Not exact matches

Such piracy was rampant as the colossal ice sheets of the Last Glacial Maximum began shrinking around 18,000 years ago.

«Although this period is around the late glacial maximum, there is a blip at 23,000 years during which time it was milder.»

«Challenging events such as the Last Glacial Maximum, around 20,000 years ago, do not lead to massive population replacement, but instead to a bottleneck,» he says.

In contrast, in slightly wetter parts of Mongolia the largest glaciers did date from the ice age but reached their maximum lengths tens of thousands of years earlier in the glacial period rather than at its culmination, around 20,000 years ago, when glaciers around most of the planet peaked.

Future studies with more samples from around the time of the Last Glacial Maximum, they say, should help clarify the course of extinction events.

The discovery that the oldest pots in the world were made in China around the time of the Last Glacial Maximum suggests that might be the case.

There is a new paper on Science Express that examines the constraints on climate sensitivity from looking at the last glacial maximum (LGM), around 21,000 years ago (Schmittner et al, 2011)(SEA).

There is a new paper on Science Express that examines the constraints on climate sensitivity from looking at the last glacial maximum (LGM), around 21,000 years ago (Schmittner et al, 2011)(SEA).

The world warmed around 5 °C in 10,000 years since the last glacial maximum — that's 0.005 °C per decade on average.

At the last glacial maximum (20,000 yrs ago), forcings by ice sheets, vegetation, greenhouse gases and dust loading are estimated to be around -7 W / m2, and that sustained a climate 5 to 6 degrees cooler than present.

A study using data taken from fossils and ice cores finds that long - term temperature variability decreased four-fold from the Last Glacial Maximum (LGM) around 21,000 years ago to the start of the Holocene around 11,500 years ago.

However, going back several centuries and reconstructing the entire process of glacier shrinkage from the «little ice age» — the last glacial maximum occurred in this part of the Andes between the 17th and 18th centuries — Andean glaciers began to retreat around AD1730 - 50.

You can see from the below chart that around the last glacial maximum 20,000 years ago CO2 was under 200 ppm.

Interestingly, Patzelt finds that over most of the past 10,000 years, temperature was warmer than today, and the time around 1850 was very likely the period of maximum glacial extent over the 10,000 years.

The Last Glacial Maximum, remember, is the peak of the last «ice age» around 20,000 years ago.