Sentences with phrase «warms out of an ice age»

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

Not exact matches

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.
The next 6 decades to 1949 are all warming as temperatures climb out of the Little Ice Age, from about 9.1 to 9.6 degrees C.
The next 6 decades to 1949 are all warming as temperatures climb out of the Little Ice Age, (when the Thames froze) from about 9.1 to 9.6 degrees C. For the last 6 decades, to 2009, we are looking for the impact (or non-impact) of exponentially increasing CO2.
The next 6 decades to 1949 are all warming as temperatures climb out of the Little Ice Age, from about 9.1 to 9.6 degrees C. For the last 6 decades, to 2009, we are looking for the impact (or non-impact) of exponentially increasing CO2.
The next 6 decades to 1949 are all warming as temperatures climb out of the Little Ice Age, (when the Thames and the sea froze) from about 9.1 to 9.6 degrees C.
It also shows, consistently, that nobody is trying to «get rid of the medieval warm period» or «flatten out the little ice age» since those are features of all reconstructions of the last 1000 to 2000 years.
Though an additional key, which people that are dead and determined to label this as shear man made global warming need to remember we are coming out of a mini ice age (1400 - 1800ish).
However, it leads primarily to the onset of ice ages or cool periods rather than a warmer period (due to volcanic ash that blocks out the sun).
So now I answer the «ice - age» denialist argument (denialists usually trot out ALL their inconsistent & contradictory arguments) this way: I draw a sine - wave in the air with my hand, saying, yes, that the normal fluctuation over a long geological timeframe is to alternate between cold ice ages and warm interglacial periods, and that now we are right here in a warm interglacial period (my hand raised at the top of the wave), and if there were no human GHGs, then we would expect that over a long time frame we'd be sliding down into an ice age.
Before that I had read science fiction novels and seen a couple of movies that predicted warming and melting... But anyway, after the cooling hypothesis came out (it certainly wasn't impossible given that ice ages were cyclic), I decided to naively think up a mitigation strategy.
It is true that during ice ages the oceans took up more CO2 and that is why there was less in the atmosphere, and during the warming at the end of glacial cycles that CO2 came back out of the ocean, and this was an important amplifying feedback.
The well - known transition from the relatively warm Medieval into the «little ice age» turns out to be part of a much longer - term cooling, which ended abruptly with the rapid warming of the 20th Century.
The warming rate coming out of the last ice age was about a degree per millennium and sea level rose about 2m per century.
A drop in volcanic activity caused warming «There is no question the Earth has been warming; it is coming out of the «Little Ice Age».
Panelist and Colorado State University professor of atmospheric science William M. Gray, a hurricane authority, announced that he thinks that the biggest contributor to global warming is the fact that «we're coming out of a little ice age,» and that the warming trend will end in six to eight years.
His Hockey Stick model wiped out both the Medieval Warming Period and the Little Ice Age, both of which were well documented in history, literature, art and science.
Ok, what was the nudge that moved the world out of the medieval warm period into the little ice age, and what moved it out of the little ice age?
We had a «little ice age» for a few hundred years that we started coming out of around 1750, and have been warming to what it was before that period.
There hasn't been a millennial warming trend since the one at the beginning of the Holocene that got us out of the last Ice Age.
For example, we are warming far too fast to be coming out of the last ice age, and the Milankovitch cycles that drive glaciation show that we should be, in fact, very slowly going into a new ice age (but anthropogenic warming is virtually certain to offset that influence).
Global warming began 18,000 years ago as the earth started warming its way out of the Pleistocene Ice Age — a time when much of North America, Europe, and Asia lay buried beneath great sheets of glacial iIce Age — a time when much of North America, Europe, and Asia lay buried beneath great sheets of glacial iceice.
If you are concerned about planetary climate, then it behooves you to consider the «history» of the planet before singling out something as paltry as the warming since the end of the Little Ice Age.
Since then the planet has been clawing its way out of the Little Ice Age during a period of gentle global warming.
The problem I have with the «coming out of the Little Ice Age» argument (apart from the lack of any actual mechanism) is that it is now much warmer than before the LIA started.
The other issue is palaeo - climate: you need warming other than Milankovitch effects to come out of ice ages at the required rate.
Things had been warming up out of the last ice age, starting about 15,000 years ago.
Small wonder, then, that the modelers» computer «reconstructions» of the planet's past climate conveniently wiped out the well - documented three - centuries - long Medieval Warming Period, as well as the subsequent 500 years of Little Ice Age — nor is it surprising that their terrifying computer prognostications in the IPCC's 2001 Third Assessment failed to predict the next decade's absence of any global warming trend Warming Period, as well as the subsequent 500 years of Little Ice Age — nor is it surprising that their terrifying computer prognostications in the IPCC's 2001 Third Assessment failed to predict the next decade's absence of any global warming trend warming trend at all.
Skeptics have long been pointing out that some of the same alarmists who are now warning of the Earth's warming were some 30 years ago warning of cooling temperatures and a coming ice age.
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).
By «global warming» these papers don't, of course, mean the mild warming of around 0.8 degrees Celsius that the planet has experienced since the middle of the 19th century as the world crawled out of the Little Ice Age.
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.
Before the most recent major warming out of the last major ice age, the range of warming and cooling was much more severe.
Yes, CO2 comes out of a warming ocean and that was a positive feedback after the last Ice Age, but in the last century or so Man has emitted a boatload (twenty times) more than the ocean, and also added some to the ocean, hence a lower pH. Figure that into your carbon budget.
Responding to and in the manner of KK Tung's UPDATE (and, you can quote me): globally speaking the slowing of the rapidity of the warming, were it absent an enhanced hiatus compared to prior hiatuses, must at the least be interpreted as nothing more than a slowdown of the positive trend of uninterrupted global warming coming out of the Little Ice Age that has been «juiced» by AGW as evidenced by rapid warming during the last three decades of the 20th Century, irrespective of the fact that, «the modern Grand maximum (which occurred during solar cycles 19 — 23, i.e., 1950 - 2009),» according to Ilya Usoskin, «was a rare or even unique event, in both magnitude and duration, in the past three millennia [that's, 3,000 years].»
That said, the hiatus since 1998 is warmer than the previous two hiatus periods (the so called stair step), so this brings us back to wondering about «coming out» of the Little Ice Age.
There was a clear warming from 1910 to 1940 that was associated with coming out of the Little Ice Age.
Half of the warming that brought us out of the Wisconsin ice age occurred in less than a decade, the other half took 10,000 years.
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.
Yet before the 70s were out, temperatures were rising and many of the soothsayers for a new ice age were warning of global warming instead.
We just came out of a Little Ice Age into a natural and normal warm period, much like the Roman and Medieval Warm periwarm period, much like the Roman and Medieval Warm periWarm periods.
Lower temperatures = less melting = more ice = lower temperatures, on and on and until factors # 1 and # 2 rescue us from turning into a giant snowball (or, during the most extreme ice age, a spate of volcanic eruptions eventually helped belch out enough carbon dioxide to warm the atmosphere and reset the thermostat.)
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.
I was one of those scientists who was derided as a global warming skeptic until I pointed out all scientists must be skeptics and the world had warmed since 1680 — the nadir of the Little Ice Age.
Russian astro - physicist Milankovich developed the understanding of the combinations of these cycles and how they interact to create out 30ma trend of long gradually declining ice ages interspersed with relatimely brief global warm interglacials (like our present).
According to the authors, «if you reconstruct temperatures on a global scale — and not just examine Antarctic temperatures — it becomes apparent that the CO2 change slightly preceded much of the global warming, and this means the global greenhouse effect had an important role in driving up global temperatures and bringing the planet out of the last Ice Age
I agree that we need to cut unrenewable energy consumption, but when I saw that chart them years ago, I realized that we are in a cooler era in our history, just coming out of a mini ice - age, and that periods of global warming and cooling have been taking place longer than we've been around to notice it.
What about the claim that we are still coming out of an ice age, and that this explains some of the warming?
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