Sentences with phrase «peak of the last ice age»

This is getting close to the warming from the LGM [peak of the last ice age] to today (3 - 4 degrees C.), hence we can expect dramatic changes over land, at mid - to high latitudes, in vegetation, mountain glaciers, ice sheets, and sea level.
That period coincides with peak of the last ice age, when glaciers covered vast swaths of the northern hemisphere.
The research drew lessons from paleoclimate studies of the Last Glacial Maximum, the cold peak of the last ice age, that relate to the extent of warmth possible in an era of accumulating greenhouse gases:
At the peak of the last ice age, some 20,000 years ago, right outside my front door was a frozen glacier wall that rose as high as 300 feet, the southern edge of a vast ice sheet that covered Canada and the northern part of the United States.
At the peak of the last ice age, around 21,000 years ago, it was a volcanically active spot on the southern edge of the Bering Land Bridge.
Stone - age people lived in the lands north of the Arctic Circle before the peak of the last Ice Age — much earlier than had been thought, suggests new findings.
«We were expecting to find rocks exposed for 20,000 years, the date of the peak of the last ice age, but these moraines were much younger.
«Generally, people have assumed from well - documented North American and European records that the largest glaciers should have come in the peak of the last ice age,» Batbaatar said.
Reconstruction of the climate 21,000 years ago at the peak of the last ice age in the western US found that the transition between the dryer zone in the north and wetter zone in the south ran diagonally from the northwest to southeast.
However, 21,000 years ago, at the peak of the last Ice Age, a period known as the Last Glacial Maximum, the Southwest was wetter than it is today — much wetter — and the Northwest was drier — much drier.
The amount and type of genetic material, along with carbon dating of the samples, reveal that between 50,000 and 25,000 years ago — before the peak of the last ice age — arctic vegetation consisted mainly of forbs, the researchers report today in Nature.
Calafell and Bertranpetit believe today's Basques are the direct descendants of an ancient population that became isolated in its mountain home at the peak of the last Ice Age and has remained untouched genetically and linguistically ever since (American Journal of Physical Anthropology, vol 93, p 201).
The way the ocean transported heat, nutrients and carbon dioxide at the peak of the last ice age is significantly different than what has previously been suggested.
Twenty thousand years ago, near the peak of the last ice age, the world was a very different place than it is today.
Any suggestion that climate sensitivities are significantly larger (or much smaller) need to be accompanied by an explantion of how forcings and temperature response at the peak of the last ice age (for instance) can be dealt with or explained away.
The LGM [again this is the peak of the last ice age] gives us some information on how the climate responds to reduced CO2 in a cooler world, and that can help evaluate models used to project the future.
The abbreviation LGM is for the «last glacial maximum,» the peak of the last ice age.
[Response: The global temperature change at the peak of the last ice age (about 20,000 years ago) were about 5 to 7 deg C colder than the present.
Since sea surfaces rose by roughly 400 feet since the peak of the last ice age due to melting of glaciers, it is quite possible that a great many civilizations did decline or perish due to warming, and in fact perished so thoroughly that there is no trace of them.
It stood 4 - 6 meters above the present during the last interglacial period, 125,000 years ago, but was 120 m lower at the peak of the last ice age, around 20,000 years ago.
At the peak of the last ice age, about 20,000 years ago, with New York City and large parts of Europe and Asia buried under thick sheets of ice, Earth's orbit shifted.
To see how fast sea level may rise in the future, Carlson and his team looked to the ancient Laurentide ice sheet, which stretched as far south as Ohio and New York City during at the peak of the last Ice Age 20,000 years ago.
Since the peak of the last Ice age 18,000 years ago they've receded about 3000 kilometers or about 166 meters per year.
But when 1 and 2 synch up, they produce a double whammy: during the peak of the last ice age, Earth was 20 % colder!
The Earth must be in radiative (energy) balance within a very small fraction of 1 W / m2 averaged over the current interglacial period as well as during the peak of the last ice age 20,000 years ago.
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