Sentences with phrase «many paleoclimatologists»

Directed by disaster filmmaker extraordinaire Roland Emmerich, The Day After Tomorrow tells the story of a paleoclimatologist played by Jake Gyllenhaal who's forced to lead a group of survivors when a superstorm floods, then freezes, New York City.
«When you measure the two of them together, you can use the strontium - calcium ratio to take away the temperature and that gives you a clear rainfall signal,» explains paleoclimatologist Nerilie Abrams of the British Antarctic Survey.
As paleoclimatologist Michael Mann of Penn State University said of the New York article, overstating the severity of climate change could feed a «paralyzing narrative of doom and hopelessness.»
Paleoclimatologists have probed ancient silt for grains of crop pollen and charcoal from fires, for instance, in attempts to say definitively whether and when human beings were on the scene.
«This is a snapshot of a hominin in a landscape that's really open,» agrees paleoclimatologist Peter deMenocal of Columbia University's Lamont - Doherty Earth Observatory in Palisades, New York, who has argued that climate change sparked intense periods of speciation.
In order to understand Earth's recent temperature record, it's essential to understand the impacts from these natural cycles, says Byron Steinman, a paleoclimatologist at the University of Minnesota's Large Lakes Observatory in Duluth and lead author of the new study.
«There is no convincing evidence that a sufficiently large reservoir of old metabolic carbon existed in some mysterious location in the glacial ocean only to be ventilated during deglaciation,» argues paleoclimatologist Lowell Stott of the University of Southern California, who was not involved in the study.
asks Bette Otto - Bliesner, a paleoclimatologist at the National Center for Atmospheric Research in Boulder, Colo. «That's something we're still trying to determine.»
For James White, a paleoclimatologist at the University of Colorado, 400 ppm is «a mile marker you pass on the interstate while flying by at 60 mph.»
In contrast, the consensus view among paleoclimatologists is that the Medieval Warming Period was a regional phenomenon, that the worldwide nature of the Little Ice Age is open to question and that the late 20th century saw the most extreme global average temperatures.
«Looking back on 2500 years, there are examples where climate change impacted human history,» says the study's lead author, Ulf Büntgen, a paleoclimatologist at the Swiss Federal Research Institute for Forest, Snow and Landscape in Zurich.
One of the researchers affected by the cuts is Romanian paleoclimatologist Bogdan Onac of the University of South Florida in Tampa, who used his 2011 CNCS grant, worth $ 455,000, to rekindle research relationships with his home country.
The detective story began at Cambridge University seven years ago, when Tjeerd van Andel and a team of paleoclimatologists started combing through environmental and archaeological data to try to solve an old mystery: Why did Neanderthals vanish from Europe 28,000 years ago?
That way, says paleoclimatologist Julian Sachs of the University of Washington, Seattle, «we can establish very well the maximum and minimum temperature in each year the clam lived.»
In the past decade, paleoclimatologists have reconstructed a record of climate change over the last millennium by consulting historical documents and examining indicators of temperature change like tree rings, as well as oxygen isotopes in ice cores and coral skeletons.
Modeler Bette Otto - Bliesner of the National Center for Atmospheric Research in Boulder and paleoclimatologist Jonathan Overpeck of the University of Arizona matched results from the Community Climate System Model and climate records preserved in ice cores, exposed coral reefs, fossilized pollen and the chemical makeup of shells to determine the accuracy of the computer simulation.
For paleoclimatologist James White, adventures begin when a C - 130 transport plane drops him and his team in the middle of Greenland's ice cap.
Instead, Columbia University climate scientist Kevin Anchukaitis and paleoclimatologist Michael Evans of the University of Maryland, College Park, took samples the diameter of a pencil from two trees in the region.
The preliminary results, analyzed by paleoclimatologist Pierre Sepulchre of the Climate and Environment Laboratory, suggest that with any channel deeper than 200 meters currents behave as though there's an entire ocean there.
«Studies have shown that both the Greenland and Antarctic ice sheets contributed significantly to this sea level rise above modern levels,» said Anders Carlson, an Oregon State University glacial geologist and paleoclimatologist, and co-author on the study.
Co-author Peter Clark, an OSU paleoclimatologist, said that because current carbon dioxide, or CO2, levels are as high as they were 3 million years ago, «we are already committed to a certain amount of sea level rise.»
«It is simply startling that a state government in the United States would... deny its citizens the opportunity to learn about the history and prehistory of their own state,» says paleoclimatologist Glen MacDonald of the University of California, Los Angeles.
Paleoclimatologists instead look into Earth's history to a time when the planet was warmer than it is today, about 3 million years ago.
«Beyond that we have to rely on indirect, or proxy, methods to reconstruct CO2,» said Miguel Martinez - Boti, a paleoclimatologist at the University of Southampton and the lead author of the study, in an email.
The 20th century increases look unusual,» said Elizabeth Thomas, a paleoclimatologist with the British Antarctic Survey in Cambridge, United Kingdom, and lead author of the new study.
By studying sediment cores from the deep Pacific near the Philippines, paleoclimatologist Lowell Stott of the University of Southern California in Los Angeles and his colleagues revealed that the temperatures of the deepest seas rose by around 2 degrees Celsius (3.6 degrees Fahrenheit) at least 1,000 years before sea - surface temperatures.
Relevant to this issue, there is currently a debate among paleoclimatologists with respect to the following condundrum: A dramatic recession of the more - than - 11,000 year old ice cap of Mt. Kilimanjaro in tropical East Africa is taking place despite any clear evidence that temperatures have exceeded the melting threshold (one explanation is that the changes are largely associated with a drying atmosphere in the region; the most recent evidence, however, seems to indicate that melting may indeed now be underway).
And at least one of these common passages on tree ring proxies closely follows a classic text by noted paleoclimatologist Raymond Bradley, but with a key alteration not found in the original.
The writer seems to respect Willie Soon as an authoritative paleoclimatologist.
This expected large sea - level rise does of course not surprise us paleoclimatologists, given that in earlier warm periods of Earth's history sea level has been many meters higher than now due to the diminished continental ice cover (see the recent review by Dutton et al. 2015 in Science).
Authors of the study, in addition to Bird and Wilson, are IUPUI assistant professor of earth sciences William P. Gilhooly III, former IUPUI graduate student Lucas Stamps, and University of Minnesota Duluth paleoclimatologist and paleolimnologist Byron A. Steinman.
After undertaking many computer simulations lasting 30 theoretical years of 365 days (with the GENESIS2 model), however, astronomer Darren Williams, paleoclimatologist David Pollard, and their colleagues at Pennsylvania State University at Erie have come to believe that Earth could support life even in highly elliptical orbits (0.3 > e > 0.7).
Divorced workaholic paleoclimatologist Jack Hall (Dennis... read more
An ice age is brought on by the effects of global warming and paleoclimatologist Jack Hall struggles through the masses fleeing south for warmer climate on his way north to reunite with his son.
Variations in the literature abound with regard to the precise definition, and the term is often used by paleoclimatologists and glaciologists without formal dates attached.
On Friday, March 16, 2012, the famous paleoclimatologist Dr. Michael Mann spoke to all the students and faculty at Bishop O'Connell High School, a very large Catholic high school in Arlington, VA..
Here's a good tweeted question from David Lea, a paleoclimatologist at the University of California, Santa Barbara:
Although globally averaged annual temperatures warmed about 1 deg F since the early 1900s (viewed as rapid by paleoclimatologists and geologists), regional climate station annual temperatures in northern Minnesota show warming by several degrees F since the early 1900s.
I should have said that the paleoclimatologists who study sea floor sediments are pretty confident that the high lattitude arctic ocean has not been ice free for many hundreds of thousands of years.
After finishing my post on the inevitability of substantial long - term sea - level rise from Antarctic ice loss, I sent this question to Curt Stager, a paleoclimatologist and author of «Deep Future,» Kim Stanley Robinson, the novelist focused on «cli fi» before that term was conceived, and the astrobiologist David Grinspoon:
Paleoclimatologists determine the climate sensitivity from data from the Earth's history.
This May, three of us were at a conference of almost one thousand paleoclimatologists in Zaragoza (see photo below).
Relevant to this issue, there is currently a debate among paleoclimatologists with respect to the following condundrum: A dramatic recession of the more - than - 11,000 year old ice cap of Mt. Kilimanjaro in tropical East Africa is taking place despite any clear evidence that temperatures have exceeded the melting threshold (one explanation is that the changes are largely associated with a drying atmosphere in the region; the most recent evidence, however, seems to indicate that melting may indeed now be underway).
It's a remarkable feat of double - think to trust the paleoclimate data but not the Paleoclimatologists who produce it!
Proxies are used by paleoclimatologists and include ice cores, tree rings, lake sediments (varves), pollen counts, or anything that results from temperature or precipitation changes.
While we are pleased that some of our observations, in particular, about verification statistics and non-robustness, have attracted academic interest (e.g. from Bürger), it was not our intent to develop methodological innovations or tell paleoclimatologists how to do their job.
On Friday, March 16, 2012, The famous paleoclimatologist Dr. Michael Mann spoke to all the students and faculty at Bishop O'Connell High School, a very large Catholic high school in Arlington, VA..
Paleoclimatologists use more than tree - ring data.
The second and final phase of Penn State University's investigation of allegations of research misconduct against paleoclimatologist Michael Mann has just been completed.
The Penn State inquiry exonerating Michael Mann — the paleoclimatologist who came up with «the hockey stick» — would be difficult to parody.
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