Sentences with phrase «end of the last ice age about»

The Siberian permafrost is melting, but that has been happening since the end of the last ice age about 10,000 years ago.
Just in the last 650,000 years there have been seven cycles of glacial advance and retreat, with the abrupt end of the last ice age about 7,000 years ago marking the beginning of the modern climate era — and of human civilization.
It began at the end of the last Ice Age about 11,500 years ago, and we are still in it.
According to the report, which follows a series of comprehensive reports from the IPCC in the past year on climate science and impacts, temperatures already have increased by 0.85 degrees Celsius since 1880, a more rapid shift in the climate than that which heralded the end of the last ice age about 10,000 years ago.

Not exact matches

That's consistent with the fossil record, which shows glyptodonts evolved from medium - sized forms (about 80 kilograms) to become true megafauna in the Pleistocene (reaching 2,000 kilograms) before their disappearance at the end of the last ice age.
Like many parts of the world during the most recent ice ages (the last of which ended about 12,000 years ago), Australia had its share of weird giant animals, including a supersized relative of the Komodo dragon, today's largest land lizard.
In the middle of Lake Huron, however, such lanes could have been buried when lake water levels rose rapidly about 7,500 years ago, after the end of the last ice age.
There is some debate about when the «Little Ice Age» — the last time when global average temperatures were falling — ended, but it is well documented that glaciers started receding around that time as a result of the relative warming of the planet.
Unvegetated terminal moraine from Nahanni National Park, NWT, Canada dating to the end of the last ice age (about 13,800 years ago).
However, the big unknown remaining is whether corals can adapt to global warming, which is now occurring at an unprecedented rate — at about two orders of magnitude faster than occurred with the ending of the last Ice Age.
New discoveries about the demise of the ice sheet that covered Western Canada at the end of the last ice age offer a preview of what we can expect as
And there are plenty of important questions to resolve about the climate of the Holocene — this comfy warm interval humans have enjoyed since the end of the last ice age — before the human influence on the system built in recent decades.
Global sea level rose by about 120 m during the several millennia that followed the end of the last ice age (approximately 21,000 years ago), and stabilised between 3,000 and 2,000 years ago.
To figure that out, scientists have been looking back to the end of the last ice age, about 11,000 years ago, when global temperatures stood at roughly their current levels.
The several - year figure is apropos of the suddenness with which the last ice age ended about 15,000 years ago in the Northern Hemisphere, e.g., «the last ice age came to an abrupt end over a period of only three years.»
Human - forced warming is currently about 20 times faster than warming at the end of the last ice age.
Concerns about the origin of melt water pulse 1A during the end of the last ice age led to investigation of large Antarctic melt pulses as a potential source.
And with human warming now proceeding at a pace about 20 times faster than the end of the last ice age, the risk for rapid melt has been greatly enhanced.
In fact, since the end of the last ice age, there were four periods — each about 1,000 years long and peaking roughly every 3,000 years — that saw a substantial number of much more intense, scouring floods.
AFAIK man was certainly on the planet long before the end of the last ice age, when there was an ice cap covering a great deal of the Northern hemisphere land mass (I don't know about the Southern).
There is a new hockey stick in town, one with a shaft extending back all the way back to the end start of the holocene about 12,000 years ago when the last ice age ended:
The Harper government has tightened the muzzle on federal scientists, going so far as to control when and what they can say about floods at the end of the last ice age.
Since the last ice age, which ended about 11,000 years ago, Earth's climate has been relatively stable, with an average global temperature of about 14 °C.
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