Sentences with phrase «ice ages research»

Not exact matches

Recent research has found evidence that comparable floods occurred much earlier in the Ice Age in the Columbia Basin, as much as 1 to 2 million years ago.

In this study, the research team excavated intertidal beach sediments on the shoreline of Calvert Island, British Columbia, where the sea level was two to three meters lower than it is today at the end of the last ice age.

Previous research suggests that, during the last ice age (which ended around 11,700 years ago), humans moved into the Americas from Asia across what was then a land bridge to North America, eventually reaching what is now the west coast of British Columbia, Canada as well as coastal regions to the south.

Scientists from Rice University and Texas A&M University - Corpus Christi's Harte Research Institute for Gulf of Mexico Studies have discovered that Earth's sea level did not rise steadily but rather in sharp, punctuated bursts when the planet's glaciers melted during the period of global warming at the close of the last ice age.

Meltzer's research team found that nearly all sediment layers purported to be from the Ice Age at 29 sites in North America and on three other continents are actually either much younger or much older.

Research published in the July 2 issue of Nature reveals one reason our planet didn't succumb to an enveloping ice sheet during glacial ages.

His research suggested that industrial aerosols could block sunlight and reduce global temperatures enough to overcome the effects of greenhouse gases, possibly triggering an ice age.

The research takes as its desired stable state the Holocene epoch, the 10,000 years since the last ice age during which human civilization has flourished, and attempts to identify the key variables that might push planetary cycles past safe thresholds.

But in the journal Science on Thursday, Andrew Weaver of the University of Victoria in British Columbia, Canada, surveys the current research and concludes «it is safe to say that global warming will not lead to the onset of a new ice age».

The new projections are based on leading research into contemporary and historical climate data, but also new scientific reconstructions of the only comparable period in human history: the last Ice Age.

While the world's human population currently grows at an average rate of 1 percent per year, earlier research has shown that long - term growth of the prehistoric human population beginning at the end of the Ice Age was just 0.04 percent annually.

A McGill - led international research team has now completed the first global study of changes that occurred in a crucial component of ocean chemistry, the nitrogen cycle, at the end of the last ice age.

That would be a shame, since there is much research into the ice age under way.

Climatologists will have to begin taking seriously alternative theories about why the ice ages began, says geologist Peter Molnar of University of Colorado at Boulder's Cooperative Institute for Research in Environmental Sciences.

New research shows that small fluctuations in the sizes of ice sheets during the last ice age were enough to trigger abrupt climate change.

Kenefic's dance tells the story of his Ph.D. research at Northern Arizona University, Flagstaff: the colonization of the New World by the anthrax bacterium at the end of the last ice age.

New research by Professor Beth Shapiro of the UC Santa Cruz Genomics Institute and University of Alberta Professor Duane Froese has identified North America's oldest bison fossils and helped construct a bison genealogy establishing that a common maternal ancestor arrived between 130,000 and 195,000 years ago, during a previous ice age.

The research, which looked at chemical clues preserved in Arctic vegetation as well as other data, also pinpointed the start of the Little Ice Age to the end of the 13th century.

New research in the journal Nature's Scientific Reports has provided a major new theory on the cause of the ice age that covered large parts of the Northern Hemisphere 2.6 million years ago.

The new research found that the glacier actually began to re-advance to almost its ice - age size about 15,400 years ago.

New research suggests that the impact of humans on the planet is pushing back when the Earth might descend into its next ice age.

Predicted age - depth scales for Siple Dome and Inland WAIS ice cores in West Antarctica, Geophysical Research Letters, 23, 22, 3163 — 3166

This may sound like good news — nobody wants another ice age anytime soon — but it isn't a reason to thank fossil fuels, says lead author Dr Andrey Ganopolski from the Potsdam Institute for Climate Impact Research.

Ice Age paleontologist Prof. Dr. Ralf - Dietrich Kahlke of the Senckenberg Research Station for Quaternary Paleontology in Weimar recorded the maximum geographic distribution of the woolly mammoth during the last Ice Age and published the most accurate global map in this regard.

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

«The recent research findings show that during the last Ice Age, mammoths were the most widely distributed large mammals, thus rightfully serving as a flagship species of the glacial era,» according to Prof. Dr. Ralf - Dietrich Kahlke, an Ice Age researcher at the Senckenberg Research Station for Quaternary Paleontology inresearch findings show that during the last Ice Age, mammoths were the most widely distributed large mammals, thus rightfully serving as a flagship species of the glacial era,» according to Prof. Dr. Ralf - Dietrich Kahlke, an Ice Age researcher at the Senckenberg Research Station for Quaternary Paleontology inResearch Station for Quaternary Paleontology in Weimar.

Side - tracking from the ice - age research, Arrhenius ran calculations to see what a doubling of carbon dioxide levels might do to temperatures.

Moreover, the team of scientists around the Ice Age researcher from Weimar was able to show that the specimens of the archeological study were presumably stolen from the research excavation in Untermassfeld.

Set in prehistoric Europe and centered on an outsider Cro - Magnon woman who joins a tribe of Neanderthals, this epic historical tale creates a stunning, well - researched portrait of an Ice Age world that's both brutal and beautiful.

They are the most ancient of the Nordic dog breeds, scientific research [citation needed] indicates that the breed has been in existence since before the last Ice Age, surviving by eating fish and sea birds.

Her dissertation research was a study of the influence of pleistocene ice age history, biogeography, and micro-evolutionary and ecological processes in shaping population genetic structure of the California sea mussel, Mytilus californianus.

Having read Imbrie & Imbrie 1979 (cited by you), it seemed obvious that whether a new Ice Age was coming soon was a research topic going forward.

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:

The research, led by Chronis Tzedakis of University College, London, examined similarities between the current warm interval between ice ages and a particular point, around 780,000 years ago, during a past warm period known as Marine Isotope Stage 19.

When the scientists found that an article in The Telegraph misrepresented recent research by claiming that the world faced an impending ice age, the newspaper issued a public correction and substantially modified the online text.

I'd suggest the growing body of research concluding that what was once seen as an inevitable descent into the next ice age has been put off for a very long time by the building blanket of greenhouse gases generated by humanity's burst of fossil fuel combustion.

In my print column, I review the research from the Northeast showing that far more intense scouring floods than this event have occurred throughout the period since the end of the last ice age.

A remarkable paper coming in the Jan. 31 issue of Geophysical Research Letters has a title that says it all: «Abrupt onset of the Little Ice Age triggered by volcanism and sustained by sea - ice / ocean feedbacks.&raqIce Age triggered by volcanism and sustained by sea - ice / ocean feedbacks.&raqice / ocean feedbacks.»

On another subject, now that we know from Al Gore's researches, that our SUVs, which keep raising the CO2 levels at Mauna Loa, are the direct cause of the Mediaeval Warm Period (remember that was just 800 years before the present rising CO2 event); we can predict with near certainty, that when everybody who signed on to the Kyoto accords, meets their obligations, resulting in a coming dearth of atmospheric CO2, that is going to directly cause an event which will become known as the little ice age which happened in the 1600 to 1840 time range.

I have done considerable research on the ice age climate.

The main result of this research, is that the variations of the flux, as predicted from the galactic model and as observed from the Iron meteorites is in sync with the occurrence of ice - age epochs on Earth.

It takes very little research to understand that the Earth has been warmer than present most of the time since the last Ice Age ended.

, lightning related insurance claims, Lyme disease, Malaria, malnutrition, Maple syrup shortage, marine diseases, marine food chain decimated, Meaching (end of the world), megacryometeors, Melanoma, methane burps, melting permafrost, migration, microbes to decompose soil carbon more rapidly, more bad air days, more research needed, mountains break up, mudslides, next ice age, Nile delta damaged, no effect in India, nuclear plants bloom, ocean acidification, outdoor hockey threatened, oyster diseases, ozone loss, ozone repair slowed, ozone rise, pests increase, plankton blooms, plankton loss, plant viruses, polar tours scrapped, psychosocial disturbances, railroad tracks deformed, rainfall increase, rainfall reduction, refugees, release of ancient frozen viruses, resorts disappear, rift on Capitol Hill, rivers raised, rivers dry up, rockfalls, rocky peaks crack apart, Ross river disease, salinity reduction, Salmonella, sea level rise, sex change, ski resorts threatened, smog, snowfall increase, snowfall reduction, societal collapse, songbirds change eating habits, sour grapes, spiders invade Scotland, squid population explosion, spectacular orchids, tectonic plate movement, ticks move northward (Sweden), tides rise, tree beetle attacks, tree foliage increase (UK), tree growth slowed, trees less colourful, trees more colourful, tropics expansion, tsunamis, Venice flooded, volcanic eruptions, walrus pups orphaned, wars over water, water bills double, water supply unreliability, water scarcity (20 % of increase), weeds, West Nile fever, whales move north, wheat yields crushed in Australia, white Christmas dream ends, wildfires, wine — harm to Australian industry, wine industry damage (California), wine industry disaster (US), wine — more English, wine — no more French, wind shift, winters in Britain colder, wolves eat more moose, wolves eat less, workers laid off, World bankruptcy, World in crisis, Yellow fever.

Of the 68 papers, the results showed that a large majority 42 scientific research papers, or 62 %, predicted the Earth would warm as a consequence of humans increasing carbon dioxide in our atmosphere, 19 papers or 28 % were neutral or took no stance, and only 7 papers or about 10 % predicted that the earth was cooling or going into an ice age.

I've been doing research on the topic and I agree that natural cycles were taking the Earth into an Ice Age until anthropogenic warming suddenly began to spike the average temperature of the Earth.

The importance of variations in the thermohaline circulation has been stressed by other recent research that shows a temporary decline in Gulf Stream velocities may be the main culprit behind the Little Ice Age.

The geographer also has conducted research on the role of greenhouse gases in precipitating the end of the last Ice Age some 9,000 years ago.

Paleo research shows the shifts from glacial periods to interglacials, and back to glacials weren't gradual at all (at least not during the second half of the Pleistocene — the Age of ice ages).

I think that how the probability of the next ice age has changed with the CO2 increase, if at all, should be a central question of climate change research.

«A peer - reviewed paper [Krivova et al.] published in the Journal of Geophysical Research finds that reconstructions of total solar irradiance (TSI) show a significant increase since the Maunder minimum in the 1600's during the Little Ice Age and shows further increases over the 19th and 20th centuries... Use of the Stefan - Boltzmann equation indicates that a 1.25 W / m2 increase in solar activity could account for an approximate.44 C global temperature increase... A significant new finding is that portions of the more energetic ultraviolet region of the solar spectrum increased by almost 50 % over the 400 years since the Maunder minimum... This is highly significant because the UV portion of the solar spectrum is the most important for heating of the oceans due to the greatest penetration beyond the surface and highest energy levels.