Sentences with phrase «deep ice core from»

A state - of - the - art continuous ice core analytical system was used to analyze samples from ~ 1.5 to ~ 577 m depth in the recently collected WAIS Divide deep ice core from West Antarctica.

A state - of - the - art continuous ice core analytical system was used to analyze ~ 3 cm by ~ 3 cm longitudinal samples from ~ 1300 to ~ 3404 m depth in the recently collected WAIS Divide deep ice core from West Antarctica.

Not exact matches

Clow measured twice, once in 2011 and again in 2014, the temperature in a 3.4 - kilometer - deep (2 - mile - deep) borehole from which the West Antarctic Sheet Divide ice core had been drilled during an eight - year project that ended in 2011.

Core samples from deeper in the Lake Towuti sediment will show whether this drying evident during the last ice age also happened in previous ice ages.

Gard found similar fossils deeper down in the sediment cores, indicating that the Arctic ice partially cleared at various times from about 128 000 to 71 000 years ago — a period covering the latest interglacial and the early part of the latest ice age.

We show that DNA and amino acids from buried organisms can be recovered from the basal sections of deep ice cores, enabling reconstructions of past flora and fauna.

Analysing new data from marine sediment cores taken from the deep South Atlantic, between the southern tip of South America and the southern tip of Africa, the researchers discovered that during the last ice age, deep ocean currents in the South Atlantic varied essentially in unison with Greenland ice - core temperatures.

Ice cores extracted from deep within a Himalayan glacier leave little doubt that the earth's temperatures are on the rise.

Now, new evidence from a marine sediment core from the deep Pacific points to warmer ocean waters around Antarctica (in sync with the Milankovitch cycle)-- not greenhouse gases — as the culprit behind the thawing of the last ice age.

The simple fact is that every scientist now involved in climate science, from the study of isotope ratios in deep ice cores to the emission of methane from tropical forests, is not only a scientist, but a political commentator and activist.

Ancient biomolecules from deep ice cores reveal a forested southern Greenland.

Five millennia of surface temperatures and ice core bubble characteristics from the WAIS Divide deep core, West Antarctica.

Ancient biomolecules from deep ice cores reveal a forested southern Greenland Willerslev, E., E. Cappellini, W. Boomsma, R. Nielsen et al. 2007.

Five millennia of surface temperatures and ice core bubble characteristics from the WAIS Divide deep core, West Antarctica, Paleoceanography, 31 (3), p. 416 - 433.

I've just returned from the deep field site at Aurora Basin where the Australians are drilling a new 400 - meter ice core which we will analyze in my lab in Reno.

For example, the following paper http://ocean.mit.edu/~cwunsch/papersonline/milankovitchqsr2004.pdf finds that deep - sea and ice core records are formally indistinguishable from stochastic data even if the data are artificially tuned to Milankovitch cycles.

The interactions (feedbacks) between THC shifts and sea ice and glacial calving (as indicated by ice - rafted debris in deep sea core records) would tend to seriously magnify the climate changes compared to what would be expected from a similar THC shift today.

She and her colleagues created a model that accurately (to 97 %) replicates known historic solar activity (from ice cores, tree ring data, deep sea floor cores, etc.).

Study of the ice core recovered by Russian scientists from deep Antarctic holes has revealed that in the last 450,000 years the Earth has had at least four peaks of temperature upsurge with fluctuations of 10 to 12 degrees.

I have some knowledge of biological processes and indeed, bacteria are at work even somewhere at the most harsh places on earth: from boiling geisirs to deep freezing ice cores...

There are some detailed pages of information that have been meticulously reconstructed after having passed through the cross-cut shredder of geological history: the information from ice cores and the deep sea sediment cores are obvious examples.

... The evidence comes from a close correlation between inferred changes in production rates of the cosmogenic nuclides carbon - 14 and beryllium - 10 and centennial to millennial time scale changes in proxies of drift ice measured in deep - sea sediment cores.

Evidence from ice cores and deep - sea sediment has shown that the Northern climate also cooled before the Southern climate during these abrupt changes, creating a «bipolar seesaw,» with the North cool while the South was warm, and the South cooling as the North warmed.

(28) + The emerging picture of severe instability was reinforced by studies of cores drilled from the Greenland and Antarctic ice caps, and by deep - sea cores that covered much longer times.

Imputities are a main problem in Greenland ice cores where a mix of seasalt / carbonate and acidic dust from Icelandic volcanoes can produce CO2 in situ, but is less of interest in deep inland Antarctic ice cores, except during the deepest times of glacials, when far more dust is deposited.

The air has been sealed off in the bubbles when the ice was laid down, and extracted from cores drilled deep within the layered ice deposits.

Visible gas hydrate and possible pore - space hydrate samples have been recovered for the first time in North America from within ice - bonded permafrost in a 451 - m - deep core hole in the Mackenzie Delta, Northwest Territories, Canada.

These estimates resulted from studies of air bubbles recovered in ice cores from deep within Antarctica, Greenland and other glaciers, as well as chemical analyses of coral samples from beneath the sea.

His personal contribution to these programmes encompasses a very large spectrum of topics from a direct involvement in deep drilling activities to the more theoretical aspects of the interpretation of ice core data.

Nice plot: http://www.climate-change-theory.com/planetcycles.jpg When do you expect the next deep freeze that empties 125m of water from the seas to ice in the polar and N / S latitudes per the Ice Core 120,000 y cycling patteice in the polar and N / S latitudes per the Ice Core 120,000 y cycling patteIce Core 120,000 y cycling pattern?