Sentences with phrase «great ice ages»

(Phys.org)-- Climate scientists have long documented the strong control of Earth's orbital variations on the waxing and waning of the great ice ages, when huge «pluvial» lakes filled the valley floors of the Great Basin.

With weather averaged out, with solar cycles averaged out, with ice ages and Milankovitch cycles averaged out, in geologic time, galactic cosmic ray flux * is * the driver of the great ice ages and hothouse periods in the Phanerozoic, with something of a 6C or 7C peak to peak temperature swing of * equatorial * ocean temperatures (from my eyeball measurement of a Veizer chart).

Look at the great ice ages of the past.

The March 12, 2015 issue of Nature magazine contains an essay — not an original thesis, rather a summation — by two English geographers entitled «Defining the Anthropocene,» the subject of which is whether (and starting when) human activity has so altered the global environment as to constitute a new geologic age: the Anthropocene Age, as successor to the 11,000 - year Holocene Epoch that is itself part of the larger 2.6 million year - old Quaternary Period (or Great Ice Age).

The last great ice age began around 120,000 years ago.

And those plants may have caused the next great ice age.

Of predictable discoveries, one can forecast several: another great Ice Age painted cave like Lascaux or Chauvet; a rich Egyptian burial, perhaps as fine as Tutankhamen's; an ancient city buried under sediment in the valley of one of the great west Asian rivers; and a rich cache under the heart of a great Mesoamerican city.

By the middle of the 19th century, it was clear that there had once been a «Great Ice Age».

By the end of the Pleistocene, when the last great ice age ebbed, other human ancestors were gone, humans had settled the Americas and long - range weapons like spears and arrows were common — and the average mass of mammals had fallen from nearly 100 kg (220 pounds) to less than eight.

At the end of the Great Ice Age the glaciers melted and sea levels throughout the world rose considerably.

Divers from across the world can explore and experience the adventure of an enormous underwater series of caverns carved out during the last great Ice Age here.

Formed in the limestone substrata, they are officially called «karst - eroded sinkholes» and were created prior to the melting which ended the Great Ice Age, when sea levels were much lower than today.

Most sea holes, just like the Belize Blue Hole, were submerged at the end of the last great Ice Age some 10,000 years ago.

Formed over 10,000 years ago by the rising waters of the last great Ice Age, the Belize Blue Hole came to the world's attention in 1971 when legendary French marine biologist Jacques Cousteau declared it to be one of his top 10 favorite dive sites in the world.

-- that the Earth was headed into another Great Ice Age!

A few hours ago you were saying: The answer is pretty straightforward: the planet has been warming since the last great Ice Age, and the subsequent LIA.

Ice has been melting since before the twenty - first century, in line with an Earth exiting the last severe glacial epoch within a greater ice age that will melt down even further, thousands of years from now.

We are, after all, living in an interglacial period, a respite from the cold of the Great Ice Age that still continues its slow rhythms.

All model versions were then tasked to simulate the climate of the last great Ice Age.

Not exact matches

Some other dating methods that have confirmed the age of the earth as being far greater than 10,000 yeras include: Stratigraphy, Dendrochronology, Obsidian Hydration Dating, Paleomagnetic / Archaeomagnetic, Luminescence Dating, Amino Acid Racemization, Fission - track Dating, Ice Cores, Cation Ratio, Fluorine Dating, Patination, oxidizable Carbon Ratio, Electron Spin Resonance, and Cosmic - ray Exposure Dating.

Great flood: the filly of a large basin by raising oceans during the warming period after the last ice age.

We can track most species to a common ancestor species and then due to earths history of m@ss extinctions, minor extinctions, and many ice ages realize that a great many species may have died off due to lack of available food.

There's no evidence of the great flood, but there is plenty of evidence of an Ice Age.

There is no evidence that any man's intellect on earth today is equal to Aristotle's, nor do we know with any surety that the brain capacity of mankind as a whole is greater now than it was in the Ice Age.

Vegan Ice Cream Enters A Golden Age — always great to hear, and if you want to try making vegan ice cream at home, we have a bunch of recipes hIce Cream Enters A Golden Age — always great to hear, and if you want to try making vegan ice cream at home, we have a bunch of recipes hice cream at home, we have a bunch of recipes here

While delicious straight, on the rocks, or blended with ice, the versatility of FrappaChata also makes it a great mixer with coffee liqueurs, bourbons, espresso vodka and aged and spiced rums.

Great with coffee & tea, yogurt or ice cream, excellent paired with cheeses and a great snack for children of all Great with coffee & tea, yogurt or ice cream, excellent paired with cheeses and a great snack for children of all great snack for children of all ages.

In Ice Age: The Great Egg - Scapade, harried mom Ethel entrusts her precious, soon - to - hatch egg to Sid.

Enter to win a iTunes movie code for Ice Age: The Great Egg - scapade to watch and enjoy as many times as you want by entering on the below Rafflecopter form to enter for a chance to win.

Ice ages came and went as he went on and on, listing great Tory achievements in the endless European fight and reminiscing about the fields of Waterloo.

Astronomical factors also play a role in relation to the great changes like the shift between ice ages, which typically lasts about 100,000 years and interglacial periods, which typically last about 10 - 12,000 years.

«We can see that the climate during an ice age has much greater fluctuations than the climate during an interglacial period.

The study, published in PLOS ONE, has revealed that many of the birds were larger at this time reflecting the richness and greater productivity of the environment in the Ice Age.

«Cold extermination: One of greatest mass extinctions was due to an ice age and not to Earth's warming.»

But Harington was suggesting «right up until the last ice age, you had a forest and this great diversity of mammals, and a frog and fish and everything!»

The Great Lakes were shaped by ice ages that sent glaciers sweeping over much of the northern hemisphere.

This is of great concern to ecologists because the populations in these areas include pockets with the highest levels of genetic diversity, thanks to their ancestors having survived major climate change events such as ice ages.

The results suggest that Himalayan brown bears belong to a distinct evolutionary lineage that diverged from the other bears during the greatest of earth's ice ages.

Analysis showed that the Wisconsin and Illinois chipmunks were most closely related; nonetheless, the Wisconsin population showed the greatest genetic diversity, suggesting they had stood their ground through the Ice Age, whereas the Illinois chipmunks reached that region more recently.

Soon and Baliunas are «mindful» that the Medieval Warming Period and the Little Ice Age should be defined by temperature, but «we emphasize that great bias would result if those thermal anomalies were to be dissociated» from other climatic conditions.

We had expected milder weather than Barents experienced — in the «Little Ice Age», which lasted from 1450 to 1850, mean temperatures were between 1 and 2 °C colder than nowadays — but the difference in conditions was far greater than we had anticipated.

But when they accounted for the greater ice - sheet coverage during the ice age (ice sheets are cooling agents), they found both epochs were roughly identical.

Humans have influenced nature since as early as the Ice Age, and over the past century our impact has become even greater with our many new technologies and a growing world population.

Besides two Homo erectus skeletons, it contains stalagmites that have helped solve one of the greatest mysteries in climate science: why the ice ages came and went when they did.

The Past and Future Ocean Circulation from a Contemporary Perspective, in AGU Monograph, 173, A. Schmittner, J. Chiang and S. Hemming, Eds., 53 - 74, (pdf)» Wunsch's publications page is great food - for - thought, I particularly enjoyed his papers on Ice Age changes and the Milankovitch cycles.

Ice age doesn't have unforgettable enough characters, but it has a good plot and a great story - telling and a pretty message family - friendly enjoyable for al viewers worldwide and it deserves a complete saga.

This time the produces recruited directors Fernando Meirelles (City of God), Carlos Saldanha (Ice Age, Rio), Im Sang - soo (The Housemaid), Stephan Elliott (Easy Virtue), Paolo Sorrentino (The Great Beauty), Guillermo Arriaga (Babel), Andrucha Waddington (Party Crashers), Nadine Labaki (Where Do We Go Now?)

A production from the same group that made the «Ice Age» films, I have to give great credit to the filmmakers for keeping the look of the characters the same.

Ireland travels through the centuries, interweaving Ronan's quest for the Storyteller with a richly evocative unfolding of the great moments in Irish history, ranging from the savage grip of the Ice Age to the green and troubled land of tourist brochures and political unrest.

The Great Blue Hole shown is one of the top attractions in Belize and is a mecca for those wanting to dive among its giant stalactites and stalagmites, which were formed during the last Ice Age.