Sentences with phrase «studied drilled cores»

Researchers studied drilled cores of a Roman harbor from Pozzuoli Bay near Naples, Italy.

To investigate the climate changes of the past, the scientists are studying drill cores from the eternal ice.

Not exact matches

Consider where astronomy would be without improvements in the telescope, or where studies of past climate would be without drilling technologies to pull up gigantic sediment cores.

Peter Hochuli and Susanne Feist - Burkhardt from Paleontological Institute and Museum, University of Zürich, studied two drilling cores from Weiach and Leuggern, northern Switzerland, and found pollen grains that resemble fossil pollen from the earliest known flowering plants.

«Most people assume that it's a question of just drilling deeper for ice cores, but it's not that simple,» said Edward Brook, an Oregon State University geologist and co-author on the study.

They planned to drill out ice cores to study past climates.

By studying iron extracted from cores drilled in rocks similar to these in Karijini National Park, Western Australia, UW - Madison researchers determined that half of the iron atoms had originated in shallow oceans after being processed by microbes 2.5 billion years ago.

I had been studying the paleosediments of these valleys, using drill cores, doing pollen analysis, and finding out that these kind of jerks went on down through time two million years.

UNSW Australia study author and Ph.D. candidate Katarina David (left) preserves samples of moist rock collected by drilling a 300 - meter deep core through the layers of sandstone and claystone near Sydney, for later testing in the laboratory.

Between 2004 and 2012, the study authors drilled 13 permafrost soil cores from various sites in Alaska, and measured the total amounts of mercury and carbon in each core.

In 1959, the U.S. Army Corps of Engineers built the subterranean city under the guise of conducting polar research — and scientists there did drill the first ice core ever used to study climate.

In a study published in Nature in February, researchers reported finding a steroid compound (called 24 - isopropylcholestane) in 675 - million - year - old stone cores, drilled from former seabeds up to three miles beneath the deserts of Oman.

By studying iron extracted from cores drilled in rocks similar to these in Karijini National Park, Western Australia, UW — Madison researchers determined that half of the iron atoms had originated in shallow oceans after being processed by microbes 2.5 billion years ago.

Many of the findings come from studies of core samples drilled from the deep seafloor over the past two decades.

At left is Meredith Hastings of Brown University, the lead author of the study, accompanied by Bella Bergeron from Ice Coring and Drilling Services.

He took (and is featured in) the pictures, drilled the cores, and has been studying these rift valley lakes for some time:

It is the first study to directly link past glacial events with annual data from ice cores — cylindrical samples drilled from the glacier — extracted from the same ice mass.

(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.

In recent years there have been many studies collecting data from ice cores in Greenland, sediments drilled from the ocean floor and from continental lakes, and so forth.