Sentences with phrase «out of the ice age»

To build a picture of the habitat as it crept out of the Ice Age, Willerslev's team analysed DNA in cores taken from beneath two lakes in what was the last stretch of the corridor to melt.

Earth is thought to have shifted in and out of ice ages every 100,000 years or so during the past 800,000 years, but there is evidence that such a shift took place every 40,000 years prior to that time.

A simple rule can accurately predict when Earth's climate warms out of an ice age, according to new research led by UCL.

When you combine all the positive feedbacks of albedo, greenhouse gases and temperatures, you get the wide swings into and out of ice ages.

So far I always heard about positive natural forcings like «coming out of an ice age» and «sun spot numbers».

What's wo wonderful about plunging in and out of ice ages?

Re The Holocene, surely it's a time where global temperatures show no sign, until now, of (excluding the rise out of the ice age before that's the cry) temperatures rising.

Cochelin et al used a model of intermediate complexity to show that the orbital variations over the next 100,000 years are weak enough that even a little human CO2 remaining in the atmosphere is enough to keep the earth out of an ice age («Simulation of long - term future climate changes with the green McGill paleoclimate model: The next glacial inception»).

I would declare the null set to be that the perceived changes can be easily accounted for as natural climate variation (coming out of an ice age) and that there is no «perfect» climate state.

(Nonsense of course — except for going in and out of ice ages — but bear with me) How do you keep your model from railing which it will surely do in 20 e-foldings (time constants).

The huge meltwater pulses 16,000 - 8000 years ago coming out of an ice age are asymptomatic of current climate.

Our temperature is consistent with coming out of the ice age, and the Sun cycles.

So on a shorter time scale of say, 5,000 years, the natural variations of going into and out of ice ages DO N'T average out.

In fact the earth still manages to go into and out of ice ages on a regular bases regardless of what the CO2 concentration is at the time.

The other issue is palaeo - climate: you need warming other than Milankovitch effects to come out of ice ages at the required rate.

Geology deals with the now: the 10,000 - year - old Holocene epoch, a peculiarly stable and clement part of the Quaternary period, a time distinguished by regular shifts into and out of ice ages.

Answer: if warming releases CO2 from the ocean, whether coming out of an ice age or when initiated by ACO2, it upsets IPCC's model that the bulge in atmospheric CO2 measured at MLO is all due to man.

My whole point is that we're been coming out of an ice age for 18,000 years, so the probability that we're in a warming spell would seem to be over 50 % at present (climate is always either warming or cooling).

Over the last million years, the pattern recorded in cores of Greenland ice has occurred over and over: a long stagger into an ice age, a faster stagger out of the ice age, a few millennia of stability, repeat.

As the Earth came out of the ice age the primary forcing which caused the initial warming was due to changes in the Earth's orbital pattern.

I'd like to know how the hell the Earth was able to come out of the ice age without humans producing harmful gases that collect in our atmostphere and supposedly trap heat.

Scientists are still trying to understand how such wobbles interact with the climate system, particularly greenhouse gases, to push the planet in to or out of an ice age.

Small changes in insolation driven by changes in the Earth's orbit can push the planet into or out of an ice age through the planet's «climate feedback» mechanisms.

The earth is warming out of an ice age.

If the rise in CO2 continues unchecked, warming of the same magnitude as the increase out of the ice age can be expected by the end of this century or soon after.

Co2, coming out of an ice age, is released from the ocean sink and part of the natural cycle when coming out of an ice age.

This feedback system is confirmed by the CO2 record — in the past, the amplifying effect of CO2 feedback enabled warming to spread across the globe and take the planet out of the ice age.

In fact, if humankind was really as dumb as the fans of DPS would have us believe, we wouldn't be around today to hear their doomsaying, because Homo sapiens would have been wiped out during vastly larger environmental swings (in and out of ice ages, for example) in our past, than those expected as a consequence of the burning of fossil fuels to produce the energy that powers our world — a world in which the human life expectancy, perhaps the best measure of our level of «dumbness» or «smartness» — has more than doubled over the last century and continues to grow ever longer.

It's important academically, but the most important point is temperatures coming out of the ice age increased very slowly.

And regardless of the accuracy of this paleo data, we are talking roughly 4 degrees coming out of the ice age over 8,000 years.

Idso's calculations for climate sensitivity are greatly at odds with the paleoclimate data; if sensitivity were as small as he proposes, the Milankovic changes in solar forcing wouldn't be enough to kickstart the climb out of an ice age, but this still presupposes AGW, that CO2 emissions will increase the temperature by some amount.

What about the claim that we are still coming out of an ice age, and that this explains some of the warming?

Paleoclimatologist Hai Cheng of the University of Minnesota and his colleagues then compared this record with climatic transitions, such as the shift into and out of an Ice Age.

We're already causing a rate of warming faster than when the Earth transitions out of an ice age, and within a few decades we could be causing the fastest climate change Earth has seen in 50 million years.

Obviously, the world came out of the ice age just fine without the help of CO2.

Not exact matches

Because he might hurt someone, and, to quote Manfred the mammoth from the movie Ice Age, part of what you do in a herd is look out for each other.

I got the banana pieces out of the freezer and I could have gone for our one - ingredient ice cream but remembered something my friend Reneé had mentioned ages ago.

Every time I'm inspired to do something out of my comfort zone (royal icing, fondant, cake pops), the result looks more like it was created by an elementary school - aged child than it does a Bakerella piece of edible art.

This is a key release for Blue Sky as A) their Ice Age series stumbled last time out and B) the future of Blue Sky is now very much in the air after Walt Disney bought Fox on Thursday.

For example, about 15,000 years ago, we came out of the last Ice Age as amazingly skilled hunters; we had to be to survive its rigors.

The Metaltree98 Iced Out Watch answers the age - old question: How much of a watch can you cover with ice?

Generation after generation of your ancestors, reaching back in time through civilisations, ice ages, an epic migration out of Africa, to the very origin of our species.

Ergo, Hancock concludes, «at the very least it would mean that some as yet unknown and unidentified people somewhere in the world, had already mastered all the arts and attributes of a high civilization more than twelve thousand years ago in the depths of the last Ice Age and had sent out emissaries around the world to spread the benefits of their knowledge.»

As temperatures warm, the Arctic permafrost thaws and pools into lakes, where bacteria feast on its carbon - rich material — much of it animal remains, food, and feces from before the Ice Age — and churn out methane, a heat trapper 25 times more potent than carbon dioxide.

Even when sea levels were at their lowest, about 22,000 years ago at the height of the last ice age, the islands were likely out of the deer's swimming range.

These grooves, it now turns out, play the tune of Earth's ice ages.

Previous studies based on the genetics of modern horses concluded that domestication must have squeezed out much of the diversity seen in wild horses before the Ice Age.

Huybers and his colleagues are now working to tease out the ice age signal from another medium - rate spreading center, the Juan de Fuca Ridge, off the coast of the U.S. Pacific Northwest.

To find out the lake's age and how it formed, researchers took ice cores down to a depth of 16 meters.

Since the end of the Pliocene, Earth has been in and out of a series of ice ages.