Sentences with phrase «last glaciation»

«We used cutting - edge genomic approaches to investigate hypotheses about the early colonization of northern Europe after the ice - sheet of the last glaciation retracted.

Linked by a single root system, Pando consists of tens of thousands of genetically identical trees, cloned from a sprout that emerged after the last glaciation in southern Utah, roughly 13,000 years ago.

Researchers found that caribou living in North America, but just south of the continental ice became isolated and evolved their unique characteristics during the last glaciation.

«The most fertile stuff in the central Plains is all eolian [windborne] dust, most of which was deposited during the last glaciation.»

After the last glaciation, the two species have spread to the north and finally met each other in the region of the Vistula River.

During the last glaciation, a huge ice shield reached up to the region of today's Berlin.

Although filled with tropical life today, the Caribbean islands have been a hotspot of mammal extinction since the end of the last glaciation, some 12,000 years ago.

It is presumed to be a remnant population, descendant of an earlier invasion of magpies from the Old World, probably prior to the last glaciation.

There is now compelling evidence for many gigantic ancient floods where glacial ice dams failed time and again: At the end of the last glaciation, some 10,000 years ago, giant ice - dammed lakes in Eurasia and North America repeatedly produced huge floods.

In its native Eurasia, where it has been a fairly unobtrusive member of the wetland flora since the last glaciation, more than a hundred different insects eat it.

During the last glaciation, ice sheets also covered much of North America and Europe.

The only place where melting methane hydrates appear to be releasing methane to the atmosphere is on the Siberian margin, where hydrates associated with the permafrost relict from the last glaciation release methane to the shallow water column of the shelf waters.

At the maximum extent of the last glaciation, about 18,000 years ago, so much water was tied up in ice that sea level was 390 feet lower than now.

Current interpretation of Y - chromosome and mtDNA data suggests that modern - day Portuguese trace a significant amount of these lineages to the paleolithic peoples who began settling the European continent between the end of the last glaciation around 45,000 years ago.

First, there is very little in the way of archaeological data about cvilzations during the transition from the last glaciation to the Holocene.

Eric, I had no possibility to react on Severinghaus» point that Cuffey and Vimeux have solved the lag of CO2 after the temperature drop during the last glaciation, because the discussion was already closed.

Second, the warming following the end of the last glaciation peaked 8000 to 6000 years ago at what is known as the Holocene Climate Maximum (or Optimum in some sources).

And that a change of 40 - 50 ppmv CO2 had no measurable influence on temperature (during the onset of the last glaciation), while several models imply that CO2 was responsible for halve of the change in temperature (or halve of the 8 degr.C for 80 ppmv increase in CO2 at the onset of the last deglaciation).

Lets not forget, most of life (currently) on the continental shelves did not exist there, pre about 12,000 years ago as the contintntal shelves were dry land during the last glaciation period.

Comparisons between the two cores showed that the cooler climate of the last glaciation, some 20,000 years ago, made a significant difference to east Africa's rainfall patterns.

The last glaciation was not as severe as the Anglian — 400,000 y ago.

A broad outline of Ewing and Donn's theory, which proposes that the Arctic was ice free during the last glaciation, can be found here:

The Aurignacian culture of the Upper Paleolithic coincided with the last glaciation, which was much less severe in northern Asia than in Europe.

The beginnings of human history in Central Asia date back to the late Pleistocene Epoch, some 25,000 to 35,000 years ago, which includes the last full interglacial period and the last glaciation, the latter being followed by the interglacial period that still persists today.

It was developed by scientists at CAGE — Centre for Arctic Gas Hydrate Environment and Climate, and shows that seafloor off Western Svalbard was covered by a large ice sheet during the last glaciation.

Yellowstone's northern range of sagebrush - grasslands and bison, elk, wolf, and bear inhabitants is founded on glacial moraines, sub-glacial till, and outwash deposited during the last glaciation.

It is shown that, consistent with the presence of polar synchronization, the time series of the most representative abrupt climate events of the last glaciation recorded in Greenland and Antarctica can be transformed into one another by a π / 2 phase shift, with Antarctica temperature variations leading Greenland's.

254 G. C. Bond, R. Lotti, «Iceberg discharges into the North Atlantic on millennial time scales during the last glaciation,» Science 267:1005 (17 February 1995).

Sea level has been rising since the last glaciation lost its grip, and temperatures rose by 10 - 20 degrees, a mere 10,000 years ago.

After finishing its climb out of the last glaciation some 10 - 12K yrs ago the general trend has been a gradual cooling if anything.

Last Glacial Maximum (LGM)- The Last Glacial Maximum refers to the time of maximum extent of the ice sheets during the last glaciation, approximately 21 ka.